Commit Graph
679 Commits
Author SHA1 Message Date
Chris Lu 4e421400e4 filer: evaluate a write precondition in CreateEntry
Add an optional WriteCondition to CreateEntryRequest. When set, the filer
evaluates it against the current entry while holding the per-path lock, so the
check and the write are atomic on this filer, and returns PRECONDITION_FAILED
when it does not hold.

The condition is a single primitive (exists / not-exists / etag match / etag
mismatch / [un]modified-since). The caller reduces request semantics such as
RFC 7232 precedence to one primitive; the filer just compares. ETag comparison
mirrors the S3 gateway's precedence (stored Seaweed ETag attribute, then the
Md5/chunk fallback) so results match without coupling the filer to S3 handling.
2026-05-22 22:30:26 -07:00
Chris LuandGitHub 0566fbd552 EC encode: place shards via ecbalancer.Place + configurable replica placement (#9623)
* Add shared super_block.ResolveReplicaPlacement; use it in ec_balance

* Add ecbalancer.FromActiveTopology snapshot constructor for EC encode/repair

* Add ecbalancer.Place greenfield/repair placement core (strict + durability-first)

* topology: add GetEffectiveAvailableEcShardSlots; FromActiveTopology uses shard-granular free slots

GetDisksWithEffectiveCapacity flattens reserved shard slots into volume slots via
integer truncation, so an in-flight EC task reserving a non-multiple-of-
DataShardsCount number of shards was lost from the snapshot and freeSlots was
over-reported. GetEffectiveAvailableEcShardSlots subtracts the full reservation
impact at shard granularity.

* ecbalancer.Place: reject nodes without a free disk of the requested type

FromActiveTopology keeps all disk types in the snapshot, so an SSD-only request
could be routed to a node with only HDD capacity (pickBestDiskOnNode then returns
disk 0 on the wrong tier). Filter rack/node selection to those with a free disk
of the requested type.

* ecbalancer.Place: enforce ReplicaPlacement DiffDataCenterCount (per-DC shard cap)

* ecbalancer: enforce DiffDataCenterCount in balance (cross-DC phase + cross-rack DC cap)

Adds a cross-DC corrective phase that drains data centers holding more than
DiffDataCenterCount shards of a volume, and a per-DC cap on cross-rack move
targets. Both are no-ops when DiffDataCenterCount is unset, so balance output is
unchanged for non-DC placements.

* topology: ratio-aware EC shard slots and provisional empty-disk slot

GetEffectiveAvailableEcShardSlots now takes the target collection's data-shard
count, so a 4+2 volume's larger shards are not over-counted at 10 per volume slot;
and it keeps the one provisional slot for freshly started empty servers that
report max=0, matching getEffectiveAvailableCapacityUnsafe. FromActiveTopology
threads the ratio through.

* ecbalancer.Place: explicit disk-type filter signal (fix HDD vs any ambiguity)

HardDriveType normalizes to "", which collided with "" meaning any disk. Add
Constraints.FilterDiskType and normalize both sides so a hdd request matches disks
reported as "" and never leaks to SSD, while filter=false still means any.

* ecbalancer: add clearShardAccounting for repair snapshot reconciliation

Clears one disk's copy of a shard from per-domain accounting and recomputes the
node-level union (preserving a kept copy on another disk of the same node), without
crediting capacity. Repair uses it to drop to-be-deleted copies before placing
missing shards.

* ecbalancer: don't cap cross-DC target racks when DiffRackCount is unset

len(racks)+1 wrongly limited each target rack (3 in a 2-rack cluster), so draining
a DC could stop short of the DiffDataCenterCount cap. Use MaxShardCount+1 as the
effectively-unlimited default.

* topology/ecbalancer: ratio-correct EC capacity accounting

Reservation shard slots (default ShardsPerVolumeSlot units) are now converted to
the target ratio before subtracting, and existing EC shards are charged by size
(targetDataShards/shardDataShards) so a 2+1 shard isn't counted as one 10+4 slot.
Per-shard ratio lookup is behind shardDataShards (OSS uses the standard ratio).

* ecbalancer.Place: candidate tiering and eligible-rack caps

Adds a per-disk eligibility/preference abstraction so Place supports:
- preferred-tag whole-plan retry (try disks carrying the earliest tags first,
  widen to all only if a tier cannot place every shard; reports
  SpilledOutsidePreferredTags),
- soft disk-type spill via DiskTypePolicy (Any/Prefer/Require): Prefer fills the
  preferred type then spills, reporting SpilledToOtherDiskType; Require filters,
- even per-rack caps that divide by racks holding an eligible disk, so a tiered
  cluster (e.g. SSDs in 2 of 4 racks) isn't capped impossibly low.
Disk tags carried via Node.AddDiskTags + FromActiveTopology.

* ecbalancer: export ClearShardAccounting for repair snapshot reconciliation

* ecbalancer: address review feedback (ratio rounding, bitmap walk, same-DC moves)

- topology/ecbalancer: round shard-reservation and existing-shard footprint up
  when converting to target-ratio shard slots, so a sub-slot reservation is not
  truncated to zero and free capacity is not overstated for low-data-shard
  layouts (targetDataShards < ds).
- erasure_coding: add ShardBits.All iterator and use it across the balancer,
  cross-DC phase, and placement scoring instead of scanning 0..MaxShardCount and
  probing Has on every id.
- ecbalancer: allow same-DC cross-rack moves when a DC already sits at its
  DiffDataCenterCount cap; a same-DC move leaves the DC total unchanged. Add a
  regression test that fails without the guard.
- ecbalancer cross-DC phase: pick targets via the eligible-aware
  pickNodeInRackEligible/pickBestDiskEligible helpers so the disk-type filter is
  honored and a 0 disk id is not mistaken for a valid selection.

* ecbalancer: test ecShardSlotsOnDisk fractional round-up

Cover the mixed-ratio path (targetDataShards < existing data shards) so a
shard's fractional footprint is never floored to zero and free capacity is not
overstated. Exercises the round-up via the targetDataShards parameter; OSS uses
the standard ratio at runtime while the enterprise build hits it with real
per-volume ratios.

* ecbalancer: assert node B rack in TestFromActiveTopology

* ecbalancer: split Destination into separate DataCenter and bare Rack

Replace the composite "dc:rack" Rack field on Destination with separate
DataCenter and bare Rack values, matching topology.DiskInfo and the worker-task
convention. Callers (and tests) read the data center directly instead of parsing
the composite with strings.SplitN.

* shell ec.balance: use utilization-based global balancing (parity with worker)

The shell's global rebalance phase balanced by raw shard count; switch it to
fractional fullness (shards/capacity), as the worker already does. On uniform
capacity the two agree; on heterogeneous capacity it fills nodes proportionally
instead of driving small-capacity nodes toward full.

Updates the heterogeneous-capacity regression test to assert even fullness
(~equal shards/capacity per node) rather than even shard count.

* ecbalancer: bounded-proportional per-DC shard spread

DiffDataCenterCount was enforced only as a ceiling (drain-to-cap), which could
leave a within-cap-but-lopsided DC distribution under a loose cap (e.g. 10/4 of 14
with cap=10). Now the cross-DC phase, the cross-rack DC guard, and Place all target
boundedMaxPerDC = min(DiffDataCenterCount, max(ceil(total/numDCs), parityShards)):
shards spread proportionally across DCs, but no tighter than the durability floor
(once each DC holds <= parityShards a DC loss is recoverable, so further spreading
only adds cross-DC/WAN traffic). No-op when DiffDataCenterCount is 0; identical to
before when the cap is the binding constraint.

* ecbalancer: drop DiffDataCenterCount enforcement for EC placement

The 1-byte volume ReplicaPlacement packs xyz into x*100+y*10+z<=255, so the DC
digit can only be 0-2 -- far too small to be a meaningful per-DC EC shard cap (a
cap of 1-2 would demand 7-14 DCs for a 10+4 volume). It's volume replica-placement,
not an EC spec. Removes the cross-DC balance phase, the DC guard in the cross-rack
phase, and the per-DC cap in Place (and the just-added bounded-proportional logic);
EC relies on the RP-independent rack/node even spread instead. Rack/node caps
(DiffRackCount/SameRackCount) are unchanged. Per-domain EC caps are left for a real
EC placement spec.

* ecbalancer: enforce per-disk durability cap; symmetric reserve/release

Place now refuses to put more than parityShards shards of a volume on a single
disk (pickBestDiskEligible skips a disk once it holds parityShards of the volume,
a hard cap not relaxed even in durability-first). Previously Place assigned by
free capacity, so a skewed near-full cluster could pile >parityShards onto one
disk -> losing it loses the volume; only distinct-disk count was checked. This
covers encode and repair (both route through Place); the caller skips/leaves the
volume rather than minting an unrecoverable layout.

Also makes reserveShard decrement freeSlots unconditionally, symmetric with
releaseShard's unconditional increment (the old guarded decrement could credit a
phantom slot on release if a shard were ever reserved onto a full disk).

* ecbalancer: add Topology.ReleaseVolumeShards (clear + credit) for greenfield encode

Releases all of a volume's shards from the snapshot and credits the freed disk
capacity, so a greenfield encode can plan as if stale EC shards from a prior failed
attempt are gone. Safe to credit because the encode task deletes stale shards
(cleanupStaleEcShards) before distributing the new ones. Distinct from
ClearShardAccounting (repair), which does not credit.

* ecbalancer: ReleaseVolumeShards credits node freeSlots, not just disks

releaseShard only increments per-disk freeSlots, but rack capacity is summed from
node freeSlots (buildRacks) and node freeSlots gates node eligibility. Crediting
only disks left a node/rack looking full after releasing stale shards, so a
greenfield encode still couldn't use the freed capacity. Now credits the node by
the total disk-slots freed.

* ecbalancer: correct PlacementMode docs (encode uses durability-first)

PlaceStrict was labeled '(encode)' but encode uses PlaceDurabilityFirst. Clarify
that durability-first is used by both encode and repair, reports relaxations in
PlaceResult.Relaxed, and never relaxes the per-disk durability cap.

* ecbalancer: treat SameRackCount as a direct per-node shard cap

The 3rd ReplicaPlacement digit now caps shards per node at exactly the digit
value, matching how DiffRackCount (2nd digit) caps per rack, instead of allowing
digit+1 per node. This makes the per-rack and per-node caps consistent and
matches the documented "digits cap EC shards per rack and per node" semantics;
e.g. 011 now means at most one shard per rack and one per node.

* EC encode: place shards via ecbalancer.Place + configurable replica placement

Encode now plans destinations through the shared ecbalancer.Place policy
(durability-first: prefers the source disk type and honors replica placement /
caps / anti-affinity, relaxing rather than failing when capacity is tight) instead
of the EC-only placement planner. Targets and capacity reservations use Place's
actual per-disk shard assignment, not a round-robin guess; cross-volume in-cycle
capacity is tracked by ActiveTopology's pending task, so the cached planner is no
longer consulted. Adds a configurable replica_placement (proto field 6 + worker
form + reader) that overrides the master default replication.

The placement-package planner code is left in place (now unused) and removed in a
follow-up that drops the package.

* EC encode: drop unused dataShards param from createECTargets

Addresses review feedback: after switching to Place's per-disk shardsPerPlan
assignment, createECTargets no longer needs the data-shard count.

* EC encode: fix packed-target validation, greenfield stale-shard accounting, RP docs

- Validate counts distinct shard ids across targets, not target rows, so packed
  plans (fewer (node,disk) targets than shards) aren't rejected.
- planECDestinations releases the volume's stale EC shards from the snapshot before
  Place (ReleaseVolumeShards), crediting their capacity. The encode task deletes
  stale shards before distributing, so a retry on tight capacity no longer fails
  planning by counting shards that are about to be removed.
- replica_placement config/form help no longer claims a data-center limit (the DC
  digit is ignored for EC); detection logs a warning when a DC digit is set.

* EC encode: surface relaxed placement; mark replica_placement best-effort

Encode places with PlaceDurabilityFirst (the chosen lenient behavior), which can
relax caps/anti-affinity/replica-placement to avoid deferring. That was silent
(only disk-type/tag spills were logged). Now logs PlaceResult.Relaxed so a tight
replica placement isn't weakened unnoticed, and the config/form help states the
rack/node caps are best-effort during encode (enforced by rebalancing).

* EC encode: key per-disk shard grouping by struct, not formatted string

planECDestinations grouped destinations using a fmt.Sprintf("%s:%d") map key
per shard; use a {node,diskID} struct key and pre-size the map/slice to the
shard count to drop the per-shard string allocation.
2026-05-22 20:22:30 -07:00
Chris LuandGitHub 87fdea5330 fix(admin): carry filer addresses as ServerAddress in plugin cluster context (#9600)
The plugin cluster context forwarded filers as gRPC-only addresses
(host:grpcPort). The admin-script worker stored that in
ShellOptions.FilerAddress, whose shell commands re-derive the gRPC port
via ToGrpcAddress() and re-add the +10000 offset, dialing a non-existent
host:28888.

Carry filers in pb.ServerAddress form (host:httpPort.grpcPort) and let
each consumer convert when it dials: the admin shell uses it verbatim,
while the s3_lifecycle and iceberg workers collapse it to a gRPC address.
Rename the proto field filer_grpc_addresses -> filer_addresses so the
name matches the content.
2026-05-21 02:10:27 -07:00
Chris LuandGitHub 391f543ff2 fix(ec): correct multi-disk disk counting and EC balance shard attribution (#9594)
* fix(shell): count physical disks in cluster.status on multi-disk nodes

The master keys DataNodeInfo.DiskInfos by disk type, so several same-type
physical disks on one node collapse into a single DiskInfo entry. cluster.status
(printClusterInfo) and CountTopologyResources counted len(DiskInfos), reporting
one disk per node instead of the real physical disk count, while volume.list and
the admin ActiveTopology already split per physical disk.

Route both counters through DiskInfo.SplitByPhysicalDisk so a node with N
same-type disks reports N. Cosmetic/diagnostic only; placement already uses the
per-disk activeDisk map.

* fix(ec): attribute EC balance source disk per shard and reject same-node moves

On multi-disk nodes the EC balance worker built a node-level view that kept only
the first physical disk id per (node, volume), so a move of a shard living on a
different disk reported the wrong source disk. That source disk drives the
per-disk capacity reservation, so the wrong disk drifts the capacity model the
EC placement planner relies on. Track shards per physical disk and resolve the
actual source disk for every emitted move (dedup, cross-rack, within-rack,
global), keeping the per-disk view consistent as simulated moves are applied.

Also close a data-loss trap: VolumeEcShardsDelete is node-wide (it removes the
shard from every disk on the node) and copyAndMountShard skips the copy when
source and target addresses match, so a same-node move would erase a shard it
never copied. isDedupPhase now requires the same node AND disk, and Validate /
Execute reject same-node cross-disk moves outright.

* fix(ec): spread EC balance moves across destination disks

Port the shell ec.balance pickBestDiskOnNode heuristic to the EC balance
worker so a moved shard is placed on a good physical disk instead of always
deferring to the volume server (target disk 0). The detection now builds a
per-physical-disk view of each node (free slots split from the node total, exact
EC shard count, disk type, discovered from both regular volumes and EC shards)
and, for each cross-rack, within-rack, and global move, chooses the destination
disk by ascending score:
  - fewer total EC shards on the disk,
  - far fewer shards of the same volume on the disk (spread a volume's shards
    across disks for fault tolerance), and
  - data/parity anti-affinity (a data shard avoids disks holding the volume's
    parity shards and vice versa).

Planned placements are reserved on the in-memory model during a run so multiple
shards moved to the same node spread across its disks rather than piling on one.

* fix(ec): bring EC balance worker to parity with shell ec.balance

The worker's cross-rack and within-rack balancing balanced shards by total
count; the shell balances data and parity shards separately with anti-affinity
and honors replica placement. Port that logic so the automatic balancer makes
the same fault-tolerance-aware decisions as the manual command:

- Cross-rack and within-rack now run a two-pass balance: data shards spread
  first, then parity shards spread while avoiding racks/nodes that already hold
  the volume's data shards (anti-affinity), mirroring doBalanceEcShardsAcrossRacks
  and doBalanceEcShardsWithinOneRack.
- Optional replica placement: a new replica_placement config (e.g. "020")
  constrains shards per rack (DiffRackCount) and per node (SameRackCount); empty
  keeps the previous even-spread behavior.
- The data/parity boundary is resolved from a per-collection EC ratio (standard
  10+4 here), replacing the previously hardcoded constant at the call sites.

Selection is deterministic (sorted keys) to keep behavior reproducible.

* refactor(ec): extract shared ecbalancer package for shell and worker

The EC shard balancing policy was duplicated between the shell ec.balance
command and the admin EC balance worker, and the two had drifted (multi-disk
handling, data/parity anti-affinity, replica placement). Extract the policy into
a new pure package, weed/storage/erasure_coding/ecbalancer, that both callers
share so it cannot drift again.

- ecbalancer.Plan(topology, options) runs the full policy (dedup, cross-rack and
  within-rack data/parity two-pass with anti-affinity, global per-rack balance,
  and diversity-aware disk selection) over a caller-built Topology snapshot and
  returns the shard Moves. It depends only on erasure_coding and super_block.
- The worker builds the Topology from the master topology and turns Moves into
  task proposals; the shell builds it from its EcNode model and executes Moves
  via the existing move/delete RPCs. Per-collection EC ratio resolution stays in
  each caller (passed as Options.Ratio).
- Options expose the two genuine policy differences: GlobalUtilizationBased
  (worker balances by fractional fullness; shell by raw count) and
  GlobalMaxMovesPerRack (worker moves incrementally across cycles; shell drains
  in one pass).

The shell keeps pickBestDiskOnNode for the evacuate command. Policy tests move to
the ecbalancer package; the shell and worker keep their adapter/execution tests.

* fix(ec): restore parallelism and per-type/full-range balancing after ecbalancer refactor

Address regressions and gaps from the ecbalancer extraction:

- Shell ec.balance honors -maxParallelization again: planned moves run phase by
  phase (preserving cross-phase dependencies) with bounded concurrency within a
  phase. Apply mode does only the RPCs concurrently; dry-run stays sequential and
  updates the in-memory model for inspection.
- Rack and node balancing gate on per-type spread (data and parity separately)
  instead of combined totals, so a data/parity skew is corrected even when the
  per-rack/node totals are even.
- Global rack balancing iterates the full shard-id space (MaxShardCount) so
  custom EC ratios with more than the standard total are candidates.
- Cross-rack planning decrements the destination node's free slots per planned
  move, so limited-capacity targets are no longer over-planned.

* fix(ec): make EC dedup keeper deterministic and capacity-aware

When a shard is duplicated across nodes, keep the copy on the node with the most
free slots and delete the duplicates from the more-constrained nodes, relieving
capacity pressure where it is tightest. Tie-break on node id so the choice is
deterministic. This unifies the shell and worker (the shell previously kept the
least-free node, an incidental default) on the more sensible behavior.

* fix(ec): restore global volume-diversity and per-volume move serialization

Two more behaviors lost in the ecbalancer refactor:

- Global rack balancing again prefers moving a shard of a volume the destination
  does not hold at all before adding another shard of an already-present volume
  (two-pass, mirroring the old balanceEcRack), keeping each volume's shards
  spread across nodes.
- Shell apply-mode execution serializes a single volume's moves within a phase
  while still running different volumes in parallel, so concurrent moves of the
  same volume cannot race on its shared .ecx/.ecj/.vif sidecar files.

* fix(ec): key EC balance shards by (collection, volume id)

A numeric volume id can be reused across collections, and EC identity is
(collection, vid) (see store_ec_attach_reservation.go). The ecbalancer keyed
Node.shards by vid alone, so volumes sharing an id across collections merged into
one entry — letting dedup delete a "duplicate" that is actually a different
collection's shard, and letting moves act across collections. Key shards by
(collection, vid) throughout so each volume stays distinct.

* fix(ec): credit freed capacity from dedup before later balance phases

Dedup deletions are simulated only by applyMovesToTopology, which cleared shard
bits but did not return the freed disk/node/rack slots. Later phases reject
destinations with no free slots, so a slot opened by dedup could not be reused in
the same Plan/ec.balance run. applyMovesToTopology now credits the freed
disk/node/rack capacity for dedup moves (non-dedup moves still rely on the inline
accounting their phase already did).

* test(ec): add multi-disk EC balance integration test

Cover issue 9593 end-to-end at the unit level the old tests missed: build the
master's actual multi-disk wire format (same-type disks collapsed into one
DiskInfo, real DiskId only in per-shard records), run it through a real
ActiveTopology and the Detection entry point, then replay the planned moves with
the volume server's true semantics (node-wide VolumeEcShardsDelete) and assert no
EC shard is ever lost. Covers a balanced spread, a one-node-concentrated volume,
and a multi-rack spread, and asserts moves are safe (no same-node cross-disk),
correctly attributed to the source disk, and redistribute concentrated volumes
across both other racks and multiple destination disks.

* fix(ec): aggregate per-disk EC shards when verifying multi-disk volumes

collectEcNodeShardsInfo overwrote its per-server entry for each EcShardInfo of a
volume. A multi-disk node reports one EcShardInfo per physical disk holding shards
of the volume, so only the last disk's shards survived — the node looked like it
was missing shards it actually had. This made ec.encode's pre-delete verification
(and ec.decode) under-count volumes whose shards are spread across disks on one
server, falsely aborting the encode on multi-disk clusters. Union the per-disk
shard sets per server instead.

Also make verifyEcShardsBeforeDelete poll briefly: shard relocations reach the
master via volume-server heartbeats, so a freshly distributed shard set may not be
fully visible the instant the balance returns. Retry before concluding the set is
incomplete; genuine loss still fails after the retries are exhausted.

* test(ec): end-to-end multi-disk EC balance shard-loss regression

Start a real cluster of multi-disk volume servers (3 servers x 4 disks),
EC-encode a volume, run ec.balance, and assert hard invariants the prior
integration tests only logged: after encode all 14 shards exist, ec.balance loses
no shard, shards span more than one disk per node, and cluster.status counts
physical disks (not one per node). This reproduces issue 9593 end to end and would
have caught the multi-disk shard-aggregation bug fixed alongside it.

* fix(ec): bring EC balance worker/plugin path to parity with shell

- Per-volume serialization and phase order: key the plugin proposal dedupe by
  (collection, volume) instead of (volume, shard, source), so the scheduler runs
  only one of a volume's moves at a time (within a run and against in-flight jobs).
  Concurrent same-volume moves raced on the volume's .ecx/.ecj/.vif sidecars; and
  because the planner emits a volume's moves in phase order, they now execute in
  order across detection cycles, matching the shell.
- disk_type "hdd": normalize via ToDiskType (hdd -> "" HardDriveType) while keeping
  a "filter requested" flag, so disk_type=hdd matches the empty-keyed HDD disks
  instead of nothing; apply the canonical type to planner options and move params.
- Replica placement: expose shard_replica_placement in the admin config form and
  read it into the worker config, mirroring ec.balance -shardReplicaPlacement.

* test(ec): rename worker in-process test (not a real integration test)

The worker-package multi-disk tests build a fake master topology and simulate
move execution; they are not real-cluster integration tests. Rename
integration_test.go -> multidisk_detection_test.go and drop the Integration
prefix so 'integration' refers only to the real-cluster E2Es in test/erasure_coding.

* ci(ec): remove redundant ec-integration workflow

ec-integration.yml duplicated EC Integration Tests under the same workflow name
but ran only 'go test ec_integration_test.go' (one file), so it never ran new
test files (e.g. multidisk_shardloss_test.go) and was a strict, path-filtered
subset of ec-integration-tests.yml, which already runs 'go test -v' over the whole
test/erasure_coding package on every push/PR.

* fix(ec): worker falls back to master default replication for EC balance

For strict parity with the shell, the EC balance worker now uses the master's
configured default replication as the replica-placement fallback when no explicit
shard_replica_placement is set, instead of always defaulting to even spread.

The maintenance scanner reads it via GetMasterConfiguration each cycle and passes
it through ClusterInfo.DefaultReplicaPlacement; detection resolves the constraint
(explicit config wins, else master default, else none) in resolveReplicaPlacement.
A zero-replication default (the common 000 case) still means even spread, so the
common configuration is unchanged.

* fix(ec): plugin path populates master default replication too

The plugin worker built ClusterInfo with only ActiveTopology, so the master
default replication fallback added for the maintenance path never reached
plugin-driven EC balance detection — empty shard_replica_placement still meant
even spread there. Fetch the master default via GetMasterConfiguration (new
pluginworker.FetchDefaultReplicaPlacement) and set ClusterInfo.DefaultReplicaPlacement
so both detection paths resolve replica placement identically to the shell.

* docs(ec): empty shard replica placement uses master default, not even spread

The EC balance config text (admin plugin form, legacy form help text, and
the struct/proto field comments) still said an empty shard_replica_placement
spreads evenly. The runtime resolves empty to the master default replication
(resolveReplicaPlacement), matching shell ec.balance, with even spread only
when that default is empty or zero. Update the text to match and regenerate
worker_pb for the proto comment change.
2026-05-20 23:31:21 -07:00
Chris LuandGitHub 5af7d12f04 fix(filer.sync): keep sync_offset fresh while the source is read-only (#9589)
* fix(filer.sync): keep sync_offset fresh while the source is read-only

sync_offset holds the timestamp of the last replicated source event, so
monitoring derives lag from now-sync_offset. A read-only source emits no
metadata events, so the gauge froze at the last write and the derived lag
grew without bound, making thresholds unusable.

The source filer now sends an idle heartbeat carrying its current time
while a subscriber is caught up to the buffer head. filer.sync uses it to
advance the gauge, so now-sync_offset reflects real lag. Heartbeats are
opt-in (client_supports_idle_heartbeat), are never written to the metadata
log, and do not move the resume checkpoint, so a restart still resumes
from the last real event.

* fix(filer.sync): gate idle heartbeat on the read cursor, not SinceNs

In metadata-chunks mode persisted entries replay as log file refs and
never reach eachLogEntryFn, so lastSeenTsNs stays put and a caught-up
subscriber with an old SinceNs would never get a heartbeat. Use the
read cursor (lastReadTime), which advances in that mode too, max'd with
lastSeenTsNs so the in-memory backlog-then-idle case still works while
the cursor returned to the caller has not yet updated.
2026-05-20 11:26:37 -07:00
Chris LuandGitHub cc5ef1b741 feat(s3): add TagUser, UntagUser, ListUserTags IAM actions (#9572)
* feat(s3): add TagUser, UntagUser, ListUserTags IAM actions

Adds AWS IAM-compatible user tag operations on the embedded IAM
endpoint. Tags persist in the Identity proto as a repeated UserTag
field; the existing 50-tag / 128-byte-key / 256-byte-value AWS limits
are enforced. Pagination is stubbed (IsTruncated=false) since the
50-tag cap means all tags fit in a single response.

* review: validate UntagUser TagKeys entries

parseTagKeysParams now rejects empty keys and keys past
MaxUserTagKeyLength; UntagUser additionally requires at least one
TagKeys.member.N entry to match AWS validation behavior.

* review: pre-allocate user-tag merge and filter slices

mergeUserTags now allocates the combined existing+incoming capacity
up front; UntagUser builds the filtered slice via make with the full
ident.Tags capacity instead of ident.Tags[:0:0], which forced a
reallocation on every append.

* review: cover duplicate-in-request and invalid TagKeys cases

Regression tests assert TagUser rejects two members with the same key
in one request, and UntagUser rejects missing/empty/oversized TagKeys
entries.
2026-05-19 17:35:44 -07:00
4476cb282b feat(filer): add atime to FuseAttributes + TouchAccessTime RPC (#9556)
* feat(filer): add atime field and TouchAccessTime RPC to filer proto

Introduce POSIX-style access-time tracking on the filer:
- FuseAttributes gains atime (field 22) and atime_ns (field 23).
- New TouchAccessTime RPC (and Touch{Access,Time}{Request,Response})
  lets read paths bump atime without going through UpdateEntry's
  chunk-rewrite/EqualEntry short-circuit.

Additive proto changes only; zero atime is treated as unset and
existing clients are unaffected. Java client proto is kept in lock
step.

Co-authored-by: Cursor <cursoragent@cursor.com>

* feat(filer): wire Atime through Attr codec with mtime fallback

Add Attr.Atime and round-trip it through EntryAttributeToPb /
EntryAttributeToExistingPb / PbToEntryAttribute. A zero proto atime
decodes as Mtime, so legacy entries report a sensible value and
freshly-created/updated entries default Atime to Mtime when callers
do not set it explicitly.

CreateEntry and UpdateEntry stamp Atime = Mtime (or Crtime) when it
is zero. TouchAccessTime later bypasses this path to write atime
alone via Store.UpdateEntry.

Co-authored-by: Cursor <cursoragent@cursor.com>

* fix(filer): preserve atime in first epoch second on decode

The Atime decode branch previously treated any attr.Atime == 0 as
unset and overwrote it with Mtime, which drops valid timestamps in
the first second of the unix epoch where attr.Atime is 0 but
attr.AtimeNs > 0. Check both fields so we only fall back to Mtime
when both are zero.

Co-authored-by: Cursor <cursoragent@cursor.com>

---------

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-05-19 10:22:17 -07:00
Chris LuandGitHub 41b6ad002b fix(volume.list): show one entry per physical disk on multi-disk nodes (#9541)
* fix(volume.list): show one entry per physical disk on multi-disk nodes

DataNodeInfo.DiskInfos is keyed by disk type, so several same-type
physical disks on one node collapse to a single map entry at the master.
volume.list iterated that map directly and reported one "Disk hdd ...
id:0" line per node, hiding the per-disk volume and shard layout. EC
operators on multi-disk volume servers had no way to verify which
physical disk a shard landed on.

Lift the per-physical-disk split into a DiskInfo.SplitByPhysicalDisk()
method on the proto type so consumers outside admin/topology can use
it. Apply it in writeDataNodeInfo so the verbose Disk block shows one
entry per physical disk, ordered by DiskId. Capacity counters are
split evenly across reconstructed disks since the wire format doesn't
carry per-disk capacity yet.

This is a display-only change. ActiveTopology already did the split on
its own and is now updated to call the shared helper.

* fix(volume.list): preserve totals, count active/remote exactly, dedupe header

Address review feedback on the per-physical-disk split:

- share() truncated remainders so reconstructed per-disk counters could
  sum to less than the original aggregate (10 / 3 = 3+3+3). Distribute
  the remainder to the lowest disk ids so MaxVolumeCount and
  FreeVolumeCount sum exactly back to the node totals.
- ActiveVolumeCount and RemoteVolumeCount are derivable per disk from
  the VolumeInfos already grouped by DiskId, so count them exactly
  (ReadOnly=false and RemoteStorageName!="" respectively) instead of
  approximating with an even split.
- writeDataNodeInfo's per-disk callback fired the DataNode header on
  every iteration after the split, so a node with 6 physical disks
  emitted 6 DataNode headers. Guard the callback with headerPrinted so
  the header still appears at most once per node.
- Sort split disks deterministically using explicit DiskId comparison
  to avoid int overflow risk on 32-bit systems.
- Tighten the volume.list test substring to "id:N\n" so unrelated
  tokens like "ec volume id:101" don't accidentally match the id:1
  needle, and assert the rack callback fires once.
2026-05-18 14:43:44 -07:00
Chris LuandGitHub 532b088262 fix(ec): preserve source disk type across EC encoding (#9423) (#9449)
* fix(ec): carry source disk type on VolumeEcShardsMount (#9423)

When EC shards land on a target whose disk type differs from the
source volume's, master heartbeats wrongly reported under the target
disk's type. Add source_disk_type to VolumeEcShardsMountRequest; the
target server applies it to the in-memory EcVolume via SetDiskType so
the mount notification and steady-state heartbeat both carry the
source's disk type. Empty value falls back to the location's disk
type (used by disk-scan reload paths).

The override is not persisted with the volume — disk type stays an
environmental property and .vif remains portable.

* fix(ec): plumb source disk type through plugin worker (#9423)

Add source_disk_type to ErasureCodingTaskParams (field 8; 7 reserved),
populate it from the metric the detector already collects, thread it
through ec_task into the MountEcShards helper, and forward it on the
VolumeEcShardsMount RPC.

* fix(ec): mirror source disk type plumbing in rust volume server (#9423)

The volume_ec_shards_mount handler now forwards source_disk_type into
mount_ec_shard → DiskLocation::mount_ec_shards. When non-empty it
overrides ec_vol.disk_type (and each mounted shard's disk_type) via
the new set_disk_type method; empty value keeps the location's disk
type, so disk-scan reload and reconcile paths are unchanged.

Also picks up two pre-existing proto drifts that 'make gen' synced
from weed/pb (LockRingUpdate in master.proto, listing_cache_ttl_seconds
in remote.proto).

* feat(ec): bias placement toward preferred disk type (#9423)

Add DiskCandidate.DiskType and PlacementRequest.PreferredDiskType.
When PreferredDiskType is non-empty, SelectDestinations partitions
suitable disks into matching/fallback tiers and runs the rack/server/
disk-diversity passes on the matching tier first; the fallback tier
is only consulted if the matching pool can't satisfy ShardsNeeded.
PlacementResult.SpilledToOtherDiskType lets callers warn on spillover.

Empty PreferredDiskType keeps the existing single-pool behavior.

* fix(ec): plumb source disk type into placement planner (#9423)

diskInfosToCandidates now copies DiskInfo.DiskType into the placement
candidate, and ecPlacementPlanner.selectDestinations forwards
metric.DiskType as PreferredDiskType so EC shards land on disks
matching the source volume's disk type when possible. A glog warning
fires when placement had to spill to other disk types.

* test(ec): integration coverage for source-disk-type plumbing (#9423)

store_ec_disk_type_test exercises Store.MountEcShards end-to-end: a
shard physically lives on an HDD location, MountEcShards is called
with sourceDiskType="ssd", and the test asserts that the in-memory
EcVolume, the mounted shard, the NewEcShardsChan notification, and
the steady-state heartbeat all report under the source's disk type.
A companion test pins the empty-source path so disk-scan reload
keeps the location's disk type.

detection_disk_type_test exercises the worker plumbing: with a
cluster of nodes carrying both HDD and SSD disks, planECDestinations
must place every shard on SSD when metric.DiskType="ssd"; with only
one SSD node and 13 HDD nodes it must still satisfy a 10+4 layout
via spillover (and log a warning).

* revert(ec): drop unrelated proto drift in seaweed-volume/proto (#9423)

make gen pulled two pre-existing OSS changes into the rust proto
tree (LockRingUpdate / by_plugin in master.proto,
listing_cache_ttl_seconds in remote.proto). Reviewers flagged it as
scope creep — none of the rust EC fix references those fields.
Restore both files to origin/master so this branch only touches
EC-related symbols.

* fix(ec placement): treat empty disk type as hdd and skip used racks on spill (#9423)

partitionByDiskType used raw string comparison, so a PreferredDiskType
of "hdd" never matched candidates whose DiskType is "" (the
HardDriveType sentinel that weed/storage/types uses). EC encoding of
an HDD source would spill onto any HDD reporting "" even when the
cluster has plenty of matching capacity. Normalize both sides
through normalizeDiskType, which lowercases and folds "" → "hdd",
mirroring types.ToDiskType without taking a dependency on it.

selectFromTier's rack-diversity pass also kept revisiting racks the
preferred tier had already used when running on the fallback tier,
which negated PreferDifferentRacks on spillover. Skip racks already
in usedRacks so fallback placements still spread onto new racks.

* fix(ec): empty-source remount must not clobber existing disk type (#9423)

mount_ec_shards_with_idx_dir runs more than once per vid (RPC mount,
disk-scan reload, orphan-shard reconcile). After an RPC sets the
source-derived disk type, any later call passing source_disk_type=""
was resetting ec_vol.disk_type back to the location's value, which
reintroduces the heartbeat drift this PR is meant to fix. Only
default to the location's disk type when the EC volume is fresh
(no shards mounted yet); otherwise leave the recorded type alone so
empty-source reloads preserve whatever the original mount RPC set.
2026-05-11 20:21:50 -07:00
Chris LuandGitHub a64483885c fix(pb): skip Unix-socket gRPC registration on Windows (#9430) (#9434)
The same-host gRPC fast path registered /tmp/...sock paths and dialed
them with net.Listen("unix", ...) / net.Dial("unix", ...). Those paths
are POSIX-only, so on Windows the listener failed at startup and every
local gRPC call routed through the registered port lost its transport.

Gate RegisterLocalGrpcSocket to return early on Windows. ServeGrpcOnLocalSocket
and resolveLocalGrpcSocket already short-circuit when no socket is registered,
so all same-host RPCs fall back to TCP without touching any callsite.
2026-05-11 10:25:37 -07:00
Chris LuandGitHub 5d43f84df7 refactor(plugin): rename detection_interval_seconds → detection_interval_minutes (#9366)
Minutes is the natural granularity for detection cadence — every
production handler already set the seconds field to a 60-multiple
(17*60, 30*60, 3600, 24*60*60). Switching to minutes drops the *60
arithmetic and matches the unit conventions used elsewhere in the
plugin worker forms.

- Proto: AdminRuntimeDefaults + AdminRuntimeConfig.detection_interval_*
  field renamed.
- Helpers: durationFromMinutes / minutesFromDuration alongside the
  existing seconds variants in plugin_scheduler.go.
- Handlers: vacuum, ec_balance, balance, erasure_coding, iceberg,
  admin_script, s3_lifecycle now declare DetectionIntervalMinutes.
- Admin: scheduler_status + types + UI templ + plugin_api.go pass
  through the new field; UI label and table cells switch to "min".
2026-05-08 10:33:02 -07:00
Chris LuandGitHub 7f254e158e feat(worker/s3_lifecycle): plugin handler with admin UI config (#9362)
* feat(s3/lifecycle): scheduler — N pipelines over an even shard split

Scheduler.Run spawns Workers Pipeline goroutines plus one engine-refresh
ticker. Each worker owns a contiguous AssignShards(idx, total) slice of
[0, ShardCount) and runs Pipeline.Run with EventBudget bounding each
iteration; brief RetryBackoff between iterations avoids hot-loop on
errors. The refresh ticker rebuilds the engine snapshot from the filer's
bucket configs every RefreshInterval.

LoadCompileInputs / IsBucketVersioned / AllActivePriorStates are
exported from a configload.go sibling so the shell command can move to
this shared implementation in a follow-up.

* refactor(shell): reuse scheduler.LoadCompileInputs in run-shard

Drop the local copies of loadLifecycleCompileInputs / isBucketVersioned
/ allActivePriorStates / lifecycleParseError that the new
scheduler package now exports. Same behavior, one source of truth.

* feat(worker/s3_lifecycle): plugin handler with admin UI config

Registers a JobHandler for s3_lifecycle via pluginworker.RegisterHandler.
Admin pulls the descriptor over the worker plugin gRPC and renders the
AdminConfigForm + WorkerConfigForm in the existing UI:

  Admin form (cluster shape):
    - workers (1..16, default 1)
    - s3_grpc_endpoints (comma list)

  Worker form (operational tuning):
    - dispatch_tick_ms (default 5000)
    - checkpoint_tick_ms (default 30000)
    - refresh_interval_ms (default 300000)
    - event_budget (default 0 = unbounded)

Detect emits a single proposal whenever S3 endpoints + filer addresses
are configured. MaxExecutionConcurrency=1 so admin only ever runs one
lifecycle daemon per worker; a fresh proposal next cycle restarts it
if the prior Execute exits.

Execute dials the configured S3 endpoint + filer, builds a
scheduler.Scheduler with the parsed config, and runs it until
ctx cancellation. Reuses the existing scheduler / dispatcher /
reader / engine packages — the handler is the thin glue that
parses descriptor values and wires the long-running daemon.

* proto(plugin): add s3_grpc_addresses to ClusterContext

So workers can dial s3 servers discovered by the master rather than a
hand-typed list in the admin form.

* feat(admin): populate ClusterContext.s3_grpc_addresses from master

ListClusterNodes(S3Type) returns the live S3 servers; the plugin
scheduler now hands these to job handlers alongside filer/volume
addresses.

* feat(worker/s3_lifecycle): discover s3 endpoints from cluster context

Drop the s3_grpc_endpoints admin form field and read the master-supplied
ClusterContext.S3GrpcAddresses instead. Operators no longer maintain a
hand-typed list, and a stale entry self-heals when the master's view
updates.

* feat(worker/s3_lifecycle): time-based runtime cap, friendlier cadence units

- dispatch_tick_minutes (was *_ms): minutes is the natural granularity
  for a daily batch; default 1 minute.
- checkpoint_tick_seconds: seconds for the durable cursor write; default
  30 seconds.
- refresh_interval_minutes: minutes for the engine snapshot rebuild.
- max_runtime_minutes replaces event_budget. Each daily run is bounded
  by wall clock — typical run wraps in well under an hour because the
  cursor persists and the meta-log streams fast. Default 60 minutes.
- AdminRuntimeDefaults.DetectionIntervalSeconds = 86400 so the admin
  schedules one job per day.
2026-05-08 10:30:02 -07:00
Chris LuandGitHub 3a76c0b027 feat(worker/proto): per-shard READ — add S3LifecycleParams.shard_id (#9353)
READ moves from a cluster-singleton to one task per (bucket, key-prefix-hash)
shard. Cluster has 16 shards; workers receive one READ task per owned shard.
Required for READ; ignored for BOOTSTRAP and DRAIN.
2026-05-07 15:29:12 -07:00
Chris LuandGitHub 5ab3860005 feat(s3/lifecycle): LifecycleDelete RPC server (#9349)
* feat(s3/lifecycle): SeaweedS3LifecycleInternal.LifecycleDelete RPC

Adds the worker-to-S3 RPC the lifecycle worker calls to execute one
(rule, action) verdict against one entry. The S3 server is the only
component allowed to mutate filer state, so it gets the final word:
re-fetch, identity CAS, object-lock check, dispatch.

LifecycleDeleteRequest carries the routing tuple (bucket, object_path,
version_id, rule_hash, action_kind), the per-stream context echoed
into BlockerRecord on FATAL outcomes, and an EntryIdentity CAS witness
that lets the server detect mid-flight drift (mtime, size, head fid,
sorted-Extended hash).

LifecycleDeleteOutcome covers all five worker-actionable verdicts:
DONE / NOOP_RESOLVED / SKIPPED_OBJECT_LOCK / RETRY_LATER / BLOCKED.
Cursor-advance / pending-mutation rules per outcome are documented
inline.

Makefile updated to emit the gRPC stubs alongside the message types.

* feat(s3/lifecycle): LifecycleDelete server handler

Server-side handler for the worker-to-S3 RPC. Five-step flow:

1. Re-fetch live entry (NOT_FOUND -> NOOP_RESOLVED).
2. CAS on EntryIdentity (mtime / size / head fid / sorted-Extended
   sha256). Mismatch -> NOOP_RESOLVED with reason STALE_IDENTITY.
3. enforceObjectLockProtections with governanceBypassAllowed=false.
   Lifecycle never bypasses legal-hold or compliance retention; the
   safety scan re-attempts after the hold lifts. Lock refusal ->
   SKIPPED_OBJECT_LOCK (logged + counted, cursor advances).
4. Dispatch by action_kind:
   - EXPIRATION_DAYS / EXPIRATION_DATE: createDeleteMarker on
     versioned buckets, deleteUnversionedObjectWithClient otherwise.
   - NONCURRENT_DAYS / NEWER_NONCURRENT / EXPIRED_DELETE_MARKER:
     deleteSpecificObjectVersion (the marker is just a version).
   - ABORT_MPU: stub returning RETRY_LATER pending Phase 5 wiring.
5. Helper failures the server can't classify as transient -> BLOCKED
   with reason "FATAL_EVENT_ERROR: <detail>"; the worker writes a
   durable BlockerRecord and pauses the failing stream. Filer fetch
   transport errors -> RETRY_LATER (sustained transients eventually
   promote to BLOCKED via the worker's retry budget).

hashExtended uses length-prefixed encoding so a forged Extended
payload (e.g. one tag value containing the byte sequence of two real
tags) can't collide with a real two-tag map. Regression test pins
this.

Tests cover identity-comparison fields, hashExtended order/delimiter
stability, empty-request rejection. Full filer-integration tests come
in Layer 2.

* fix(s3/lifecycle): use stdlib bytes.Equal for ExtendedHash compare

Replaces a hand-rolled byte slice comparator with bytes.Equal —
idiomatic, slightly faster (the stdlib version is intrinsified on
amd64/arm64), and one fewer test surface to maintain.

* refactor(s3api): trim narration from lifecycle RPC + canonicalizer

Drop step-by-step doc-block narrations on LifecycleDelete and the
helpers that reproduced what the code already says. Keep WHY one-
liners at non-obvious spots: the http.Request=nil safety claim,
why hashExtended is length-prefixed, the safety-scan revisit
contract for SKIPPED_OBJECT_LOCK, the TODO marker for ABORT_MPU.

* refactor(s3/lifecycle): retryLater helper, drop inline literals

Adds retryLater() alongside done/noopResolved/blocked so the four
LifecycleDeleteOutcome constructions look the same. Replaces the two
inline RETRY_LATER literal returns (live-fetch transport error and
the ABORT_MPU stub) with the helper. No behavior change.

* fix(s3/lifecycle): default filer-error classification to RETRY_LATER

Versioning lookup, createDeleteMarker, deleteUnversionedObjectWithClient,
and deleteSpecificObjectVersion all do filer round-trips. Most failures
are transient (filer unavailable, slow, network blip), not deterministic
per-event errors. Returning BLOCKED for them was too aggressive: BLOCKED
halts the stream until an operator intervenes, which would surface
on every transient filer hiccup.

Default these paths to RETRY_LATER. The worker's retry budget already
promotes sustained transients to BLOCKED after a configured threshold,
which is the right place for that escalation. BLOCKED stays for the
truly deterministic error: the request-shape check (missing version_id
on noncurrent delete) and the unknown-action-kind dispatch fallback.

* fix(s3/lifecycle): honor versioning Suspended on current-version expiration

Treating Suspended-versioning buckets like never-versioned ones was
wrong: per AWS S3, current-version expiration on Suspended must
remove the existing null version and insert a new delete marker (the
same behavior a user DELETE produces). The previous code branched
only on isVersioningEnabled() — which returns false for Suspended —
and dropped through to the actual-delete path, losing the version
history that Suspended buckets are still expected to keep.

Switch to getVersioningState() and dispatch on three branches:

  Enabled    -> createDeleteMarker (current becomes non-current)
  Suspended  -> deleteSpecificObjectVersion("null"), createDeleteMarker
  Off / never configured -> deleteUnversionedObjectWithClient

The Suspended path's null-version deletion tolerates NotFound (the
null version may not exist when this is the first delete after a
versioning toggle); other errors classify as RETRY_LATER like the
rest of the dispatch.

* refactor(s3/lifecycle): trim narration on LifecycleDelete

Drop the 6-line versioning-state docblock and the inline
"transient -> RETRY_LATER" rationales; keep one-liners.

* fix(s3/lifecycle): bucket-not-found is NOOP; include ErrObjectNotFound

Three follow-ups from review (the rest were already addressed by
prior commits):

- Versioning lookup now distinguishes filer_pb.ErrNotFound
  (BUCKET_NOT_FOUND -> NOOP_RESOLVED) from genuinely transient
  failures (RETRY_LATER). A bucket deleted between live-fetch and
  versioning-lookup is benign, not transient.
- deleteUnversionedObjectWithClient and deleteSpecificObjectVersion
  now also recognise ErrObjectNotFound as a resolved-NOOP, matching
  the live-fetch step's classification.
2026-05-07 15:03:33 -07:00
Chris LuandGitHub 4e10669221 docs(s3/lifecycle): event-driven redesign (#9346)
* docs(s3/lifecycle): event-driven redesign

Replaces the synchronous PUT-handler walk with an event-driven worker
model: meta-log reader subscribed to one filer, client-side heap merge
with per-filer-shard MessagePosition cursors, bucket-level bootstrap
with inline delete, blocked-cursor handling for fatal events, durable
retry budget for sustained-transient promotion, retention mode gate
that downgrades reader-driven rules to scan_only when log retention
falls below the rule's event-log horizon.

* docs(s3/lifecycle): record Phase 0 verified assumptions

ReadPersistedLogBuffer payload carries Extended (event marshaled via
SubscribeMetadataResponse → ToProtoEntry). Meta-log files at
topics/.system/log/<date>/<HH-MM>.<filerId> are written without TtlSec
in filer_notify_append.go; retention is unbounded by default and only
shrinks if an operator sets a filer.conf rule with a TTL on the
SystemLogDir prefix. .versions/ filenames are v_<16h-ts><16h-rand>
with old/new (inverted) format distinguished by threshold
0x4000000000000000; getVersionTimestamp / compareVersionIds give
format-agnostic ordering for successor-version discovery.

* feat(s3/lifecycle): rule evaluator and dueAt helper

Evaluate(rule, info, now) returns the EvalResult by object shape:
IsMPUInit -> AbortMultipartUpload, IsDeleteMarker -> ExpireDeleteMarker
when sole survivor, IsLatest -> DeleteObject (Days or Date), non-current
-> DeleteVersion (Days fallback to ModTime when SuccessorModTime is
zero; NewerNoncurrent retention enforced when both are set).

ComputeDueAt mirrors Evaluate's shape and returns the earliest eligible
wall-clock time for the same (rule, info), used by the reader/bootstrap
to decide pending vs inline-delete.

Adds StatusEnabled/Disabled and SmallDelay consts and an IsMPUInit
flag on ObjectInfo so .uploads/<id>/ entries route to AbortMPU without
overloading IsLatest.

No callers; package compiles standalone.

* feat(s3/lifecycle): MinTriggerAge for safety-scan cadence

Returns the smallest non-zero day threshold across the rule's actions.
Used as max(MinTriggerAge, kindFloor) for the per-kind cadence; date,
count-only, and delete-marker-only rules return 0 so callers fall
through to their kind-specific floor.

* feat(s3/lifecycle): EventLogHorizon for retention mode gate

Returns the maximum event age the reader needs for a rule. Days-based
kinds return their day threshold; pure NewerNoncurrent (count) and
ExpiredObjectDeleteMarker return SmallDelay. Date rules return 0 (the
gate skips them). Multi-action rules take the max — strictest horizon
wins.

Drives the Phase 2 mode gate: metaLogRetention < EventLogHorizon(rule)
+ bootstrapLookbackMin -> scan_only with RETENTION_BELOW_HORIZON.

* feat(s3/lifecycle): RuleHash for per-rule state CAS

sha256 over canonicalized form, first 8 bytes. Stable across tag-key
reorder, prefix trailing-slash variation, ID renames, and Status flips
(state continuity is preserved when an operator toggles
Enabled/Disabled). Different action shapes — different days, filter,
or action type — hash differently.

Used by the per-rule state directory layout
/etc/s3/lifecycle/<bucket>/<rule_hash_hex>/ and by the bootstrap
detector's reconcile-on-PUT.

* feat(s3/lifecycle): add s3_lifecycle.proto storage schema

Defines the durable types backing the lifecycle worker:
LifecycleState (per-rule mode + bootstrap_complete + degraded_reason
incl. RETENTION_BELOW_HORIZON / LOST_LOG), PendingItem, EntryIdentity,
BootstrapState, ReaderState (per-filer-shard cursors plus
tail_drained_streams marker), BlockerRecord (rule_hash optional for
pre-evaluation failures), RetryBudgetEntry with the four-shape
StreamKey oneof, and RetryTarget (no action / no expected_identity —
retry replays handler against current state).

No callers; schema only. Wired into the pb Makefile.

* feat(s3/lifecycle): add S3LifecycleParams to TaskParams

Wires lifecycle subroutines into the existing worker dispatch.
Subtype is READ (cluster-singleton meta-log reader), BOOTSTRAP
(per-bucket walker), or DRAIN (per-rule pending). bucket / rule_hash
populated for the latter two; ContinuationHint is an advisory resume
point for kill-resumable BOOTSTRAP / READ.

oneof tag = 14, after the existing ec_balance_params at 13.

* fix(s3/lifecycle): noncurrent delete markers honor NoncurrentDays

A non-current delete marker is just another version per AWS S3 spec
and is eligible under NoncurrentVersionExpirationDays. The
IsDeleteMarker special case is meant only for the *current* delete
marker (sole-survivor ExpiredObjectDeleteMarker action), so guard
that switch arm with IsLatest. Without IsLatest, the bootstrap walker
silently skipped pre-existing non-current delete markers under a
NoncurrentDays rule because ComputeDueAt returned zero.

Mirrors the same fix in evaluate.go so the runtime decision matches.

* fix(s3/lifecycle): preserve prefix trailing slash in RuleHash

"logs" and "logs/" match different object sets under literal
strings.HasPrefix semantics: "logs" matches "logsmore/x", "logs/" does
not. Collapsing them in the hash would let an XML edit silently bind
the new rule to the previous rule's durable state directory, causing
stale bootstrap_complete and stale pending entries against a rule
that now matches a different set.

* fix(s3/lifecycle): add UNSPECIFIED sentinels to enum zero values

Proto3 best practice: enum 0 should be an _UNSPECIFIED sentinel, not
an active value. Persisted state schemas care most: a partially
populated payload (or one written by an older binary that didn't set
the field) would otherwise silently default to a semantically active
value.

- LifecycleState.RuleKind: shifts EXPIRATION_DAYS..EXPIRED_DELETE_MARKER
  from 0..5 to 1..6, with RULE_KIND_UNSPECIFIED at 0.
- LifecycleState.RuleMode: shifts EVENT_DRIVEN..PENDING_BOOTSTRAP from
  0..4 to 1..5.
- LifecycleState.DegradedReason: replaces NONE=0 with
  DEGRADED_REASON_UNSPECIFIED=0 (operators treat both as healthy).
- StreamKind: shifts ORIGINAL..PENDING from 0..3 to 1..4.
- S3LifecycleParams.Subtype: shifts READ..DRAIN from 0..2 to 1..3, so
  an unset subtype no longer routes into the cluster-singleton READ task.

No on-disk state has been written yet; renumbering is safe.

* docs(s3/lifecycle): per-action state, not per-rule

A single AWS lifecycle XML <Rule> can declare multiple actions in
parallel (e.g. ExpirationDays=90 + AbortMPU=7 + NoncurrentDays=30).
Each must drive its own delay/horizon/mode/pending stream
independently. Modeling the rule as one compiled entry with one kind
collapses these — picking the smallest delay (7d MPU) means the 90d
expiration cursor advances past objects that aren't yet due, and the
90d action never re-fires.

Restructure storage to per-action: every XML rule expands into N
compiled actions; state lives at <bucket>/<rule_hash>/<action_kind>/.
The intermediate rule_hash directory keeps a rule's actions grouped
for operator listing. Each action has its own state file with its own
mode + bootstrap_complete + degraded_reason; sibling actions of the
same rule can degrade independently.

* fix(s3/lifecycle): per-action proto schema + safety-scan counters

Realigns the durable schema with the per-action storage model and the
safety-scan contract in the design doc.

- Promote LifecycleState.RuleKind to a top-level ActionKind enum and
  rename rule_kind -> action_kind. The same enum now also keys
  BootstrapKey, PendingKey, and BlockerRecord so per-action streams
  under one rule never collapse.
- LifecycleState now keyed by (rule_hash, action_kind). Added
  last_safety_scan_ts_ns / next_safety_scan_ts_ns and the four
  observability counters the design specifies (evaluated_total,
  expired_total, metadata_only_total, error_total). Dropped
  last_evaluated_ns, deleted_total, skipped_object_lock_total, and
  pending_size — subsumed or out-of-band.
- BlockerRecord.action_kind is OPTIONAL (UNSPECIFIED for
  pre-evaluation failures, just like rule_hash).

No on-disk state has been written yet; the renumbering / rename is
free.

* fix(s3/lifecycle): per-action MinTriggerAge / EventLogHorizon helpers

The retention mode gate and safety-scan cadence run on each compiled
action independently. Taking a "min/max across all actions in the
rule" — as the previous helpers did — was wrong: a 90d ExpirationDays
sibling alongside a 7d AbortMPU action would cause the 90d cursor to
advance at 7d (because MinTriggerAge picked the smallest), and the
ExpirationDays action would never re-fire on objects that aged past
the 7d sweep window before reaching 90d.

Both helpers now take an ActionKind and return the threshold for that
specific action only. Returns 0 if the rule does not declare the
requested kind, which makes the gate a no-op and the cadence fall
through to the kind floor.

Also adds RuleActionKinds(rule), the canonical expansion that the
engine uses at compile time to turn one XML rule into N compiled
actions. NewerNoncurrentVersions paired with NoncurrentDays is
subsumed into a single NONCURRENT_DAYS action (AWS-paired
conditions); only when NewerNoncurrent stands alone does it become
NEWER_NONCURRENT.

* fix(s3/lifecycle): length-prefix RuleHash to remove delimiter ambiguity

The previous encoding used "tag=K=V\n" lines, which is ambiguous: a
tag (a=b, c) serializes identically to (a, b=c). A prefix containing
"\nexp_days=99" could likewise forge an action field. Either could
silently bind two semantically different rules to the same per-rule
state directory.

Switch to a length-prefixed canonical form: each scalar is written as
<field-tag-byte> <uvarint-length> <bytes>. Field-tag bytes namespace
each scalar so ("a=b" tag-key) and ("a" tag-key with "=b" leakage)
can't collide. Three regression tests pin the resistance.

* docs(s3/lifecycle): ActionKey is the engine identity, not rule_hash

Finishes the per-action restructure across the engine pseudocode,
bootstrap completion, drain locks, detector paths, policy CAS, and
Phase 2 plan. Every per-action data structure — engine indexes,
target modes, newly-completed sets, bootstrap completion bits, drain
keys, locks, metrics, status — is now keyed by
ActionKey{rule_hash, action_kind}, not by rule_hash alone.

Without this, sibling actions under one XML rule still shared
scheduling state in the engine: originalDelayGroups holding
[]ruleHash means a rule's 7d AbortMPU and 90d ExpirationDays
collapse into one entry, the smaller delay wins for cursor advance,
and the larger sibling never re-fires.

Helper API tightened: EvaluateAction(rule, kind, info, now) and
ComputeDueAt(rule, kind, info) replace the aggregate-rule signatures
so a caller asks one specific action's eligibility against one
entry, never "any action of this rule." Drain task lock includes
action_kind so siblings have independent re-arm timers. Policy CAS
moves from rule_hash to ActionKey membership.

* fix(s3/lifecycle): kind-aware EvaluateAction / ComputeDueAt

Replaces the aggregate-rule signatures with per-action ones:
EvaluateAction(rule, kind, info, now) and ComputeDueAt(rule, kind,
info). The old Evaluate(rule, info, now) could return the verdict of
ANY action declared on the rule, which sat wrong with the per-action
engine indexing (each ActionKey has its own delay group, mode, and
pending stream).

Each helper now decides exactly one (rule, kind) compiled action's
fate against one entry. Asking for a kind the rule doesn't declare,
or asking against the wrong object shape for that kind, returns
ActionNone / zero — never silently routes to a sibling.

Multi-action regression test: a rule with ExpirationDays=90 and
AbortMPU=7 evaluates each kind independently for the same entry; the
7d window has no influence on the 90d eligibility decision.
2026-05-07 10:02:32 -07:00
Chris LuGitHubgemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
1c0e24f06a fix(balance): don't move remote-tiered volumes; don't fatal on missing .idx (#9335)
* fix(volume): don't fatal on missing .idx for remote-tiered volume

A .vif left behind without its .idx (orphaned by a crashed move, partial
copy, or hand-edit) would trip glog.Fatalf in checkIdxFile and take the
whole volume server down on boot, killing every healthy volume on it
too. For remote-tiered volumes treat it as a per-volume load error so
the server can come up and the operator can clean up the stray .vif.

Refs #9331.

* fix(balance): skip remote-tiered volumes in admin balance detection

The admin/worker balance detector had no equivalent of the shell-side
guard ("does not move volume in remote storage" in
command_volume_balance.go), so it scheduled moves on remote-tiered
volumes. The "move" copies .idx/.vif to the destination and then calls
Volume.Destroy on the source, which calls backendStorage.DeleteFile —
deleting the remote object the destination's new .vif now points at.

Populate HasRemoteCopy on the metrics emitted by both the admin
maintenance scanner and the worker's master poll, then drop those
volumes at the top of Detection.

Fixes #9331.

* Apply suggestion from @gemini-code-assist[bot]

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

* fix(volume): keep remote data on volume-move-driven delete

The on-source delete after a volume move (admin/worker balance and
shell volume.move) ran Volume.Destroy with no way to opt out of the
remote-object cleanup. Volume.Destroy unconditionally calls
backendStorage.DeleteFile for remote-tiered volumes, so a successful
move would copy .idx/.vif to the destination and then nuke the cloud
object the destination's new .vif was already pointing at.

Add VolumeDeleteRequest.keep_remote_data and plumb it through
Store.DeleteVolume / DiskLocation.DeleteVolume / Volume.Destroy. The
balance task and shell volume.move set it to true; the post-tier-upload
cleanup of other replicas and the over-replication trim in
volume.fix.replication also set it to true since the remote object is
still referenced. Other real-delete callers keep the default. The
delete-before-receive path in VolumeCopy also sets it: the inbound copy
carries a .vif that may reference the same cloud object as the
existing volume.

Refs #9331.

* test(storage): in-process remote-tier integration tests

Cover the four operations the user is most likely to run against a
cloud-tiered volume — balance/move, vacuum, EC encode, EC decode — by
registering a local-disk-backed BackendStorage as the "remote" tier and
exercising the real Volume / DiskLocation / EC encoder code paths.

Locks in:
- Destroy(keepRemoteData=true) preserves the remote object (move case)
- Destroy(keepRemoteData=false) deletes it (real-delete case)
- Vacuum/compact on a remote-tier volume never deletes the remote object
- EC encode requires the local .dat (callers must download first)
- EC encode + rebuild round-trips after a tier-down

Tests run in-process and finish in under a second total — no cluster,
binary, or external storage required.

* fix(rust-volume): keep remote data on volume-move-driven delete

Mirror the Go fix in seaweed-volume: plumb keep_remote_data through
grpc volume_delete → Store.delete_volume → DiskLocation.delete_volume
→ Volume.destroy, and skip the s3-tier delete_file call when the flag
is set. The pre-receive cleanup in volume_copy passes true for the
same reason as the Go side: the inbound copy carries a .vif that may
reference the same cloud object as the existing volume.

The Rust loader already warns rather than fataling on a stray .vif
without an .idx (volume.rs load_index_inmemory / load_index_redb), so
no counterpart to the Go fatal-on-missing-idx fix is needed.

Refs #9331.

* fix(volume): preserve remote tier on IO-error eviction; fix EC test target

Two review nits:

- Store.MaybeAddVolumes' periodic cleanup pass deleted IO-errored
  volumes with keepRemoteData=false, so a transient local fault on a
  remote-tiered volume would also nuke the cloud object. Track the
  delete reason via a parallel slice and pass keepRemoteData=v.HasRemoteFile()
  for IO-error evictions; TTL-expired evictions still pass false.

- TestRemoteTier_ECEncodeDecode_AfterDownload deleted shards 0..3 but
  called them "parity" — by the klauspost/reedsolomon convention shards
  0..DataShardsCount-1 are data and DataShardsCount..TotalShardsCount-1
  are parity. Switch the loop to delete the parity range so the
  intent matches the indices.

---------

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
2026-05-06 15:19:43 -07:00
Chris LuandGitHub 135af25b55 fix(grpc): require host match before routing dials to local Unix socket (#9254) (#9257)
* fix(grpc): require host match before routing dials to local Unix socket (#9254)

resolveLocalGrpcSocket keyed the Unix-socket hijack on port alone, so a
remote peer reusing a local gRPC port (e.g. a standalone `weed volume`
defaulting port.grpc=17334 against a `weed server` whose in-process
volume socket is also on 17334) had its inbound RPCs silently rerouted
to the local socket. In a cross-DC replication=100 cluster this surfaced
as persistent volume-grow failure: both AllocateVolume RPCs landed on
the local volume server, the second returned "Volume Id N already
exists!", the grow rolled back, and S3 PUTs to the new collection
returned 500.

Track a per-port set of host strings that count as "this machine" and
require the dial host to be in that set before redirecting. Loopback
aliases (localhost, 127.0.0.1, ::1, "") are always included so
same-process dials via loopback still take the socket fast path.

* test(grpc): cover empty-host bare-port dial in local-socket regression test

The empty alias is registered explicitly so SplitHostPort outputs like
":17334" (which can occur when a caller dials a bare port) take the
local-socket fast path. Add a case so that path is exercised.
2026-04-27 23:10:36 -07:00
Chris LuandGitHub da2e90aefd fix(mount): sanitize non-UTF-8 filenames; keep marshal errors per-request (#9207)
* fix(mount): sanitize non-UTF-8 filenames; keep marshal errors per-request (#9139)

A single file with invalid-UTF-8 bytes in its name (e.g. a GNOME Trash
"partial" like \x10\x98=\\\x8a\x7f.trashinfo.9a51454f.partial) made every
FUSE-initiated filer RPC fail with:

  rpc error: code = Internal desc = grpc: error while marshaling:
  string field contains invalid UTF-8

and then produced an avalanche of "connection is closing" errors on
unrelated LookupEntry / ReadDirAll / UpdateEntry calls, causing the
volume-server QPS dips reported in #9139.

Root cause is twofold:

1. Proto3 `string` fields require valid UTF-8, but the FUSE kernel passes
   raw name bytes. Create/Mknod/Mkdir/Unlink/Rmdir/Rename/Lookup/Link/
   Symlink all forwarded those bytes directly into CreateEntryRequest.Name,
   DeleteEntryRequest.Name, StreamRenameEntryRequest.{Old,New}Name and
   Entry.Name. saveDataAsChunk also copied the FullPath into
   AssignVolumeRequest.Path unchecked.

2. When the marshal failed, shouldInvalidateConnection treated the
   resulting codes.Internal as a connection problem and dropped the
   shared cached ClientConn — canceling every other in-flight RPC on it.

Fix:

- Add sanitizeFuseName (strings.ToValidUTF8 with '?' replacement, matching
  util.FullPath.DirAndName) and make checkName return the sanitized name.
  Apply at every FUSE entry point that passes a name to the filer RPC,
  including Unlink/Rmdir (which did not previously call checkName) and
  both oldName/newName in Rename. Add a backstop scrub for
  AssignVolumeRequest.Path so async flush paths cannot reintroduce
  invalid bytes from a pre-sanitization cached FullPath.

- In weed/pb.shouldInvalidateConnection, detect client-side marshal
  errors via the gRPC library's "error while marshaling" prefix and
  return false: the connection is healthy, only the request is bad.

Refs: https://github.com/seaweedfs/seaweedfs/issues/9139#issuecomment-4301184231

* fix(mount,util): use '_' for invalid-UTF-8 replacement (URL-safe)

Sanitized filenames flow downstream into HTTP URLs (volume-server uploads,
filer HTTP API, S3/WebDAV gateways). '?' is the URL query-string
delimiter and would split the path the first time the name lands in one,
so swap every invalid-UTF-8 replacement to '_'. This covers the two
pre-existing sites in weed/util/fullpath.go as well, keeping all paths
sanitized the same way.

* refactor(pb): detect client-side marshal errors via errors.As, not substring

Replace the raw `strings.Contains(err.Error(), ...)` check with a
type-based carve-out: use errors.As against the `GRPCStatus() *Status`
interface to pull the original Status out of any fmt.Errorf("...: %w")
wrapping, then match the library-owned "grpc:" prefix on that Status's
Message.

Why not errors.Is against a proto-level sentinel: gRPC's encode()
collapses the inner proto error with "%v" (stringification) before
wrapping it in a Status, so the original error type does not survive
into the caller. The Status itself is the structural signal that does
survive.

Why not status.FromError: when the caller wraps the Status error with
fmt.Errorf("...: %w", ...), status.FromError rewrites Status.Message
with the full err.Error() of the outermost wrapper, which defeats a
prefix check on the library-owned message. errors.As gives us the
original Status whose Message is still verbatim from the gRPC library.

A new test asserts that a plain errors.New("grpc: error while marshaling: …")
— i.e. the same text attached to something that is NOT a gRPC status —
does not short-circuit invalidation, so we never silently keep a cached
connection alive based on a coincidental substring match.

* refactor(util): centralize UTF-8 sanitization; add FullPath.Sanitized

Addresses review feedback on PR #9207.

Nitpick: every invalid-UTF-8 replacement across the codebase (DirAndName,
Name, mount.sanitizeFuseName, the weedfs_write.go backstop) now goes
through a single util.SanitizeUTF8Name helper, so the replacement char
('_' — URL-safe) is chosen in one place.

Outside-diff: three proto fields took raw FullPath strings that could
break marshaling if an entry ever carried invalid UTF-8
(CreateEntryRequest.Directory in Mkdir, DeleteEntryRequest.Directory in
Unlink, AssignVolumeRequest.Path in command_fs_merge_volumes). The
reviewer's suggested fix — using DirAndName() — would have silently
changed Directory from parent to grandparent, because DirAndName
sanitizes only the trailing component. Added FullPath.Sanitized(), which
scrubs every component, and applied it at the three sites. Exposure is
narrow in practice (FUSE-boundary sanitization and the gRPC-side
isClientSideMarshalError carve-out already cover the #9139 cascade),
but the defense-in-depth is cheap and consistent with the existing
AssignVolume backstop.

New tests in weed/util/fullpath_test.go document:
- SanitizeUTF8Name: valid UTF-8 passes through unchanged; invalid bytes
  become '_' (not '?', which is URL-special).
- FullPath.Sanitized: scrubs bytes in any component, not just the last.
- FullPath.DirAndName: dir remains raw on purpose — callers needing a
  clean full path must use Sanitized(). The test pins this behavior so
  it is not accidentally "fixed" in a way that changes the (dir, name)
  semantics callers depend on.
2026-04-23 19:17:35 -07:00
Chris LuandGitHub c4e1885053 fix(ec): honor disk_id in ReceiveFile so EC shards respect admin placement (#9184) (#9185)
* test(volume_server): reproduce #9184 EC ReceiveFile disk-placement bug

The plugin-worker EC task sends shards via ReceiveFile, which picks
Locations[0] as the target directory regardless of the admin planner's
TargetDisk assignment. ReceiveFileInfo has no disk_id field, so there
is no wire channel to honor the plan.

Adds StartSingleVolumeClusterWithDataDirs to the integration framework
so tests can launch a volume server with N data directories. The new
repro asserts the current (buggy) behavior: sending three distinct EC
shards via ReceiveFile leaves all three files in dir[0] and the other
dirs empty. When the fix adds disk_id to ReceiveFileInfo, this
assertion must flip to verify the planned placement is respected.

* fix(ec): honor disk_id in ReceiveFile so EC shards respect admin placement

Before this change, VolumeServer.ReceiveFile for EC shards always
selected the first HDD location (Locations[0]). The plugin-worker EC
task had no way to pass the admin planner's per-shard disk
assignment — ReceiveFileInfo carried no disk_id field — so every
received EC shard piled onto a single disk per destination server.
On multi-disk servers this caused uneven load (one disk absorbing all
EC shard I/O), frequent ENOSPC retries, and a growing EC backlog
under sustained ingest (see issue #9184).

Changes:
- proto: add disk_id to ReceiveFileInfo, mirroring
  VolumeEcShardsCopyRequest.disk_id.
- worker: DistributeEcShards tracks the planner-assigned disk per
  shard; sendShardFileToDestination forwards that disk id. Metadata
  files (ecx/ecj/vif) inherit the disk of the first data shard
  targeting the same node so they land next to the shards.
- server: ReceiveFile honors disk_id when > 0 with bounds
  validation; disk_id=0 (unset) falls back to the same
  auto-selection pattern as VolumeEcShardsCopy (prefer disk that
  already has shards for this volume, then any HDD with free space,
  then any location with free space).

Tests updated:
- TestReceiveFileEcShardHonorsDiskID asserts three shards sent with
  disk_id={1,2,0} land on data dirs 1, 2, and 0 respectively.
- TestReceiveFileEcShardRejectsInvalidDiskID pins the out-of-range
  disk_id rejection path.

* fix(volume-rust): honor disk_id in ReceiveFile for EC shards

Mirror the Go-side change: when disk_id > 0 place the EC shard on the
requested disk; when unset, auto-select with the same preference order
as volume_ec_shards_copy (disk already holding shards, then any HDD,
then any disk).

* fix(volume): compare disk_id as uint32 to avoid 32-bit overflow

On 32-bit Go builds `int(fileInfo.DiskId) >= len(Locations)` can wrap a
high-bit uint32 to a negative int, bypassing the bounds check before the
index operation. Compare in the uint32 domain instead.

* test(ec): fail invalid-disk_id test on transport error

Previously a transport-level error from CloseAndRecv silently passed the
test by returning early, masking any real gRPC failure. Fail loudly so
only the structured ReceiveFileResponse rejection path counts as a pass.

* docs(test): explain why DiskId=0 auto-selects dir 0 in EC placement test

Documents the load-bearing assumption that shards are never mounted in
this test, so loc.FindEcVolume always returns false and auto-select
falls through to the first HDD. Saves future readers from re-deriving
the expected directory for the DiskId=0 case.

* fix(test): preserve baseDir/volume path for single-dir clusters

StartSingleVolumeClusterWithDataDirs started naming the data directory
volume0 even in the dataDirCount=1 case, which broke Scrub tests that
reach into baseDir/volume via CorruptDatFile / CorruptEcShardFile /
CorruptEcxFile. Keep the legacy name for single-dir clusters; only use
the indexed "volumeN" layout when multiple disks are requested.
2026-04-22 10:30:13 -07:00
Chris LuandGitHub d7d834b8f9 peer chunk sharing 1/8: proto definitions (#9130)
proto: define MountRegister/MountList and MountPeer service

Adds the wire types for peer chunk sharing between weed mount clients:

* filer.proto: MountRegister / MountList RPCs so each mount can heartbeat
  its peer-serve address into a filer-hosted registry, and refresh the
  list of peers. Tiny payload; the filer stores only O(fleet_size) state.

* mount_peer.proto (new): ChunkAnnounce / ChunkLookup RPCs for the
  mount-to-mount chunk directory. Each fid's directory entry lives on
  an HRW-assigned mount; announces and lookups route to that mount.

No behavior yet — later PRs wire the RPCs into the filer and mount.
See design-weed-mount-peer-chunk-sharing.md for the full design.
2026-04-18 20:02:55 -07:00
Chris LuandGitHub ff4f96c71f fix(filer): drop stale master gRPC cache on stream death (#9102) (#9107)
* fix(filer): drop stale master gRPC cache on stream death (#9102)

When the master server restarts behind a stable L4 endpoint (e.g. a
Kubernetes ClusterIP Service), the filer's streaming KeepConnected
channel detects the disconnect and reconnects, but the shared
request-path ClientConn cached in pb.grpcClients can remain in READY
state while actually being dead. New AssignVolume/LookupVolume calls
reuse that cached channel and return `rpc error: code = Canceled desc
= context canceled` for every request, until the filer pod is
restarted.

- Expose pb.InvalidateGrpcConnection(address) to drop a cached
  ClientConn when a higher-level signal says it is stale.
- In MasterClient.tryConnectToMaster, invalidate the cached
  request-path channel whenever the KeepConnected stream returns, so
  unrelated callers dial fresh on their next RPC.
- Extend operation.Assign's retry predicate to cover Canceled and
  DeadlineExceeded while the caller context is still live: the first
  failure invalidates the stale ClientConn via
  shouldInvalidateConnection, and the retry dials a new channel.

* fix(grpc): invalidate cached peer conn on streaming death in other paths

Extends the master-client fix to the other streaming-caller + cached
non-streaming-peer pairs that share the same stale-channel failure mode
when the peer restarts behind a stable L4 endpoint (k8s Service VIP,
external load balancer):

- pb.FollowMetadata (s3, mount, webdav, mq broker, filer remote gateway,
  etc. → filer): invalidate the filer's cached ClientConn when the
  SubscribeMetadata stream returns an error.
- filer.MetaAggregator.loopSubscribeToOneFiler (filer → peer filer):
  invalidate the peer's cached ClientConn after doSubscribeToOneFiler
  fails, so the next iteration's readFilerStoreSignature / updateOffset
  calls dial fresh.
- mq sub_client.onEachPartition and doKeepConnectedToSubCoordinator
  (subscriber → broker): invalidate the broker's cached ClientConn when
  the SubscribeMessage / SubscriberToSubCoordinator stream errors.
- mq broker.BrokerConnectToBalancer (broker → broker-balancer):
  invalidate the balancer's cached ClientConn after the
  PublisherToPubBalancer stream errors.

* address review feedback on InvalidateGrpcConnection

- pb.InvalidateGrpcConnection: drop the cache entry under grpcClientsLock
  but call ClientConn.Close() after releasing the lock, so Close's
  internal synchronisation/IO doesn't serialise unrelated callers on the
  global map lock.
- wdclient.tryConnectToMaster: only invalidate the cached request-path
  channel when the streaming call returned an error. On a healthy leader
  redirect (gprcErr == nil) the cached channel is still usable and
  invalidating it just causes a needless re-dial from concurrent callers.

* refactor(grpc): centralize peer-conn invalidation in streaming path

Previously every streaming caller duplicated the same invalidate-cached-
non-streaming-peer-conn wrapper around their WithGrpcClient(true, ...)
call. Move that logic into WithGrpcClient itself: when the streaming
fn returns an error, invalidate any cached ClientConn for the same
address. This removes six near-identical call-site wrappers and gives
every current and future streaming caller the fix by default.

Also aligns the non-streaming branch with the new Invalidate helper's
lock discipline: delete the cache entry under grpcClientsLock, then
Close the ClientConn after releasing the lock.
2026-04-16 12:10:25 -07:00
Chris LuandGitHub 300e906330 admin: report file and delete counts for EC volumes (#9060)
* admin: report file and delete counts for EC volumes

The admin bucket size fix (#9058) left object counts at zero for
EC-encoded data because VolumeEcShardInformationMessage carried no file
count. Billing/monitoring dashboards therefore still under-report
objects once a bucket is EC-encoded.

Thread file_count and delete_count end-to-end:

- Add file_count/delete_count to VolumeEcShardInformationMessage (proto
  fields 8 and 9) and regenerate master_pb.
- Compute them lazily on volume servers by walking the .ecx index once
  per EcVolume, cache on the struct, and keep the cache in sync inside
  DeleteNeedleFromEcx (distinguishing live vs already-tombstoned
  entries so idempotent deletes do not drift the counts).
- Populate the new proto fields from EcVolume.ToVolumeEcShardInformationMessage
  and carry them through the master-side EcVolumeInfo / topology sync.
- Aggregate in admin collectCollectionStats, deduping per volume id:
  every node holding shards of an EC volume reports the same counts, so
  summing across nodes would otherwise multiply the object count by the
  number of shard holders.

Regression tests cover the initial .ecx walk, live/tombstoned delete
bookkeeping (including idempotent and missing-key cases), and the admin
dedup path for an EC volume reported by multiple nodes.

* ec: include .ecj journal in EcVolume delete count

The initial delete count only reflected .ecx tombstones, missing any
needle that was journaled in .ecj but not yet folded into .ecx — e.g.
on partial recovery. Expand initCountsLocked to take the union of
.ecx tombstones and .ecj journal entries, deduped by needle id, so:

  - an id that is both tombstoned in .ecx and listed in .ecj counts once
  - a duplicate .ecj entry counts once
  - an .ecj id with a live .ecx entry is counted as deleted (not live)
  - an .ecj id with no matching .ecx entry is still counted

Covered by TestEcVolumeFileAndDeleteCountEcjUnion.

* ec: report delete count authoritatively and tombstone once per delete

Address two issues with the previous EcVolume file/delete count work:

1. The delete count was computed lazily on first heartbeat and mixed
   in a .ecj-union fallback to "recover" partial state. That diverged
   from how regular volumes report counts (always live from the needle
   map) and had drift cases when .ecj got reconciled. Replace with an
   eager walk of .ecx at NewEcVolume time, maintained incrementally on
   every DeleteNeedleFromEcx call. Semantics now match needle_map_metric:
   FileCount is the total number of needles ever recorded in .ecx
   (live + tombstoned), DeleteCount is the tombstones — so live =
   FileCount - DeleteCount. Drop the .ecj-union logic entirely.

2. A single EC needle delete fanned out to every node holding a replica
   of the primary data shard and called DeleteNeedleFromEcx on each,
   which inflated the per-volume delete total by the replica factor.
   Rewrite doDeleteNeedleFromRemoteEcShardServers to try replicas in
   order and stop at the first success (one tombstone per delete), and
   only fall back to other shards when the primary shard has no home
   (ErrEcShardMissing sentinel), not on transient RPC errors.

Admin aggregation now folds EC counts correctly: FileCount is deduped
per volume id (every shard holder has an identical .ecx) and DeleteCount
is summed across nodes (each delete tombstones exactly one node). Live
object count = deduped FileCount - summed DeleteCount.

Tests updated to match the new semantics:
  - EC volume counts seed FileCount as total .ecx entries (live +
    tombstoned), DeleteCount as tombstones.
  - DeleteNeedleFromEcx keeps FileCount constant and increments
    DeleteCount only on live->tombstone transitions.
  - Admin dedup test uses distinct per-node delete counts (5 + 3 + 2)
    to prove they're summed, while FileCount=100 is applied once.

* ec: test fixture uses real vid; admin warns on skewed ec counts

- writeFixture now builds the .ecx/.ecj/.ec00/.vif filenames from the
  actual vid passed in, instead of hardcoding "_1". The existing tests
  all use vid=1 so behaviour is unchanged, but the helper no longer
  silently diverges from its documented parameter.
- collectCollectionStats logs a glog warning when an EC volume's summed
  delete count exceeds its deduped file count, surfacing the anomaly
  (stale heartbeat, counter drift, etc.) instead of silently dropping
  the volume from the object count.

* ec: derive file/delete counts from .ecx/.ecj file sizes

seedCountsFromEcx walked the full .ecx index at volume load, which is
wasted work: .ecx has fixed-size entries (NeedleMapEntrySize) and .ecj
has fixed-size deletion records (NeedleIdSize), so both counts are pure
file-size arithmetic.

  fileCount   = ecxFileSize / NeedleMapEntrySize
  deleteCount = ecjFileSize / NeedleIdSize

Rip out the cached counters, countsLock, seedCountsFromEcx, and the
recordDelete helper. Track ecjFileSize directly on the EcVolume struct,
seed it from Stat() at load, and bump it on every successful .ecj append
inside DeleteNeedleFromEcx under ecjFileAccessLock. Skip the .ecj write
entirely when the needle is already tombstoned so the derived delete
count stays idempotent on repeat deletes. Heartbeats now compute counts
in O(1).

Tests updated: the initial fixture pre-populates .ecj with two ids to
verify the file-size derivation end-to-end, and the delete test keeps
its idempotent-re-delete / missing-needle invariants (unchanged
externally, now enforced by the early return rather than a cache guard).

* ec: sync Rust volume server with Go file/delete count semantics

Mirror the Go-side EC file/delete count work in the Rust volume server
so mixed Go/Rust clusters report consistent bucket object counts in
the admin dashboard.

- Add file_count (8) and delete_count (9) to the Rust copy of
  VolumeEcShardInformationMessage (seaweed-volume/proto/master.proto).
- EcVolume gains ecj_file_size, seeded from the journal's metadata on
  open and bumped inside journal_delete on every successful append.
- file_and_delete_count() returns counts derived in O(1) from
  ecx_file_size / NEEDLE_MAP_ENTRY_SIZE and
  ecj_file_size / NEEDLE_ID_SIZE, matching Go's FileAndDeleteCount.
- to_volume_ec_shard_information_messages populates the new proto
  fields instead of defaulting them to zero.
- mark_needle_deleted_in_ecx now returns a DeleteOutcome enum
  (NotFound / AlreadyDeleted / Tombstoned) so journal_delete can skip
  both the .ecj append and the size bump when the needle is missing
  or already tombstoned, keeping the derived delete_count idempotent
  on repeat or no-op deletes.
- Rust's EcVolume::new no longer replays .ecj into .ecx on load. Go's
  RebuildEcxFile is only called from specific decode/rebuild gRPC
  handlers, not on volume open, and replaying on load was hiding the
  deletion journal from the new file-size-derived delete counter.
  rebuild_ecx_from_journal is kept as dead_code for future decode
  paths that may want the same replay semantics.

Also clean up the Go FileAndDeleteCount to drop unnecessary runtime
guards against zero constants — NeedleMapEntrySize and NeedleIdSize
are compile-time non-zero.

test_ec_volume_journal updated to pre-populate the .ecx with the
needles it deletes, and extended to verify that repeat and
missing-id deletes do not drift the derived counts.

* ec: document enterprise-reserved proto field range on ec shard info

Both OSS master.proto copies now note that fields 10-19 are reserved
for future upstream additions while 20+ are owned by the enterprise
fork. Enterprise already pins data_shards/parity_shards at 20/21, so
keeping OSS additions inside 8-19 avoids wire-level collisions for
mixed deployments.

* ec(rust): resolve .ecx/.ecj helpers from ecx_actual_dir

ecx_file_name() and ecj_file_name() resolved from self.dir_idx, but
new() opens the actual files from ecx_actual_dir (which may fall back
to the data dir when the idx dir does not contain the index). After a
fallback, read_deleted_needles() and rebuild_ecx_from_journal() would
read/rebuild the wrong (nonexistent) path while heartbeats reported
counts from the file actually in use — silently dropping deletes.

Point idx_base_name() at ecx_actual_dir, which is initialized to
dir_idx and only diverges after a successful fallback, so every call
site agrees with the file new() has open. The pre-fallback call in
new() (line 142) still returns the dir_idx path because
ecx_actual_dir == dir_idx at that point.

Update the destroy() sweep to build the dir_idx cleanup paths
explicitly instead of leaning on the helpers, so post-fallback stale
files in the idx dir are still removed.

* ec: reset ecj size after rebuild; rollback ecx tombstone on ecj failure

Two EC delete-count correctness fixes applied symmetrically to Go and
Rust volume servers.

1. rebuild_ecx_from_journal (Rust) now sets ecj_file_size = 0 after
   recreating the empty journal, matching the on-disk truth.
   Previously the cached size still reflected the pre-rebuild journal
   and file_and_delete_count() would keep reporting stale delete
   counts. The Go side has no equivalent bug because RebuildEcxFile
   runs in an offline helper that does not touch an EcVolume struct.

2. DeleteNeedleFromEcx / journal_delete used to tombstone the .ecx
   entry before writing the .ecj record. If the .ecj append then
   failed, the needle was permanently marked deleted but the
   heartbeat-reported delete_count never advanced (it is derived from
   .ecj file size), and a retry would see AlreadyDeleted and early-
   return, leaving the drift permanent.

   Both languages now capture the entry's file offset and original
   size bytes during the mark step, attempt the .ecj append, and on
   failure roll the .ecx tombstone back by writing the original size
   bytes at the known offset. A rollback that itself errors is
   logged (glog / tracing) but cannot re-sync the files — this is
   the same failure mode a double disk error would produce, and is
   unavoidable without a full on-disk transaction log.

Go: wrap MarkNeedleDeleted in a closure that captures the file
offset into an outer variable, then pass the offset + oldSize to the
new rollbackEcxTombstone helper on .ecj seek/write errors.

Rust: DeleteOutcome::Tombstoned now carries the size_offset and a
[u8; SIZE_SIZE] copy of the pre-tombstone size field. journal_delete
destructures on Tombstoned and calls restore_ecx_size on .ecj append
failure.

* test(ec): widen admin /health wait to 180s for cold CI

TestEcEndToEnd starts master, 14 volume servers, filer, 2 workers and
admin in sequence, then waited only 60s for admin's HTTP server to come
up. On cold GitHub runners the tail of the earlier subprocess startups
eats most of that budget and the wait occasionally times out (last hit
on run 24374773031). The local fast path is still ~20s total, so the
bump only extends the timeout ceiling, not the happy path.

* test(ec): fork volume servers in parallel in TestEcEndToEnd

startWeed is non-blocking (just cmd.Start()), so the per-process fork +
mkdir + log-file-open overhead for 14 volume servers was serialized for
no reason. On cold CI disks that overhead stacks up and eats into the
subsequent admin /health wait, which is how run 24374773031 flaked.

Wrap the volume-server loop in a sync.WaitGroup and guard runningCmds
with a mutex so concurrent appends are safe. startWeed still calls
t.Fatalf on failure, which is fine from a goroutine for a fatal test
abort; the fail-fast isn't something we rely on for precise ordering.

* ec: fsync ecx before ecj, truncate on failure, harden rebuild

Four correctness fixes covering both volume servers.

1. Durability ordering (Go + Rust). After marking the .ecx tombstone
   we now fsync .ecx before touching .ecj, so a crash between the two
   files cannot leave the journal with an entry for a needle whose
   tombstone is still sitting in page cache. Once the fsync returns,
   the tombstone is the source of truth: reads see "deleted",
   delete_count may under-count by one (benign, idempotent retries)
   but never over-reports. If the fsync itself fails we restore the
   original size bytes and surface the error. The .ecj append is then
   followed by its own Sync so the reported delete_count matches the
   on-disk journal once the write returns.

2. .ecj truncation on append failure. write_all may have extended the
   journal on disk before sync_all / Sync errors out, leaving the
   cached ecj_file_size out of sync with the physical length and
   drifting delete_count permanently after restart. Both languages
   now capture the pre-append size, truncate the file back via
   set_len / Truncate on any write or sync failure, and only then
   restore the .ecx tombstone. Truncation errors are logged — same-fd
   length resets cannot realistically fail — but cannot themselves
   re-sync the files.

3. Atomic rebuild_ecx_from_journal (Rust, dead code today but wired
   up on any future decode path). Previously a failed
   mark_needle_deleted_in_ecx call was swallowed with `let _ = ...`
   and the journal was still removed, silently losing tombstones.
   We now bubble up any non-NotFound error, fsync .ecx after the
   whole replay succeeds, and only then drop and recreate .ecj.
   NotFound is still ignored (expected race between delete and encode).

4. Missing-.ecx hardening (Rust). mark_needle_deleted_in_ecx used to
   return Ok(NotFound) when self.ecx_file was None, hiding a closed or
   corrupt volume behind what looks like an idempotent no-op. It now
   returns an io::Error carrying the volume id so callers (e.g.
   journal_delete) fail loudly instead.

Existing Go and Rust EC test suites stay green.

* ec: make .ecx immutable at runtime; track deletes in memory + .ecj

Refactors both volume servers so the sealed sorted .ecx index is never
mutated during normal operation. Runtime deletes are committed to the
.ecj deletion journal and tracked in an in-memory deleted-needle set;
read-path lookups consult that set to mask out deleted ids on top of
the immutable .ecx record. Mirrors the intended design on both Go and
Rust sides.

EcVolume gains a `deletedNeedles` / `deleted_needles` set seeded from
.ecj in NewEcVolume / EcVolume::new. DeleteNeedleFromEcx /
journal_delete:

  1. Looks the needle up read-only in .ecx.
  2. Missing needle -> no-op.
  3. Pre-existing .ecx tombstone (from a prior decode/rebuild) ->
     mirror into the in-memory set, no .ecj append.
  4. Otherwise append the id to .ecj, fsync, and only then publish
     the id into the set. A partial write is truncated back to the
     pre-append length so the on-disk journal and the in-memory set
     cannot drift.

FindNeedleFromEcx / find_needle_from_ecx now return
TombstoneFileSize when the id is in the in-memory set, even though
the bytes on disk still show the original size.

FileAndDeleteCount:
  fileCount   = .ecx size / NeedleMapEntrySize (unchanged)
  deleteCount = len(deletedNeedles) (was: .ecj size / NeedleIdSize)

The RebuildEcxFile / rebuild_ecx_from_journal decode-time helpers
still fold .ecj into .ecx — that is the one place tombstones land in
the physical index, and it runs offline on closed files. Rust's
rebuild helper now also clears the in-memory set when it succeeds.

Dead code removed on the Rust side: `DeleteOutcome`,
`mark_needle_deleted_in_ecx`, `restore_ecx_size`. Go drops the
runtime `rollbackEcxTombstone` path. Neither helper was needed once
.ecx stopped being a runtime mutation target.

TestEcVolumeSyncEnsuresDeletionsVisible (issue #7751) is rewritten
as TestEcVolumeDeleteDurableToJournal, which exercises the full
durability chain: delete -> .ecj fsync -> FindNeedleFromEcx masks
via the in-memory set -> raw .ecx bytes are *unchanged* -> Close +
RebuildEcxFile folds the journal into .ecx -> raw bytes now show
the tombstone, as CopyFile in the decode path expects.
2026-04-13 21:10:36 -07:00
Chris LuandGitHub ae08e77979 fix(scheduler): give worker tasks a real per-attempt execution deadline (#9041)
* fix(scheduler): give worker tasks a real per-attempt execution deadline

The plugin scheduler derived the per-attempt execution deadline as
DetectionTimeoutSeconds * 2, which capped every worker task at twice
the cluster-scan budget regardless of actual work. For volume_balance
batches this was 240s — far too short for 20 large volume copies, so
every attempt died at "context deadline exceeded" and all in-flight
sub-RPCs surfaced as "context canceled". Retries restarted from move 1
and hit the same wall.

Add an explicit ExecutionTimeoutSeconds field to the plugin proto and
make each handler declare its own baseline (1800s for vacuum, balance,
EC; 3600s for iceberg). Size-aware handlers also emit an
estimated_runtime_seconds parameter on each proposal so the scheduler
extends the per-attempt deadline based on actual workload:

- volume_balance batch: max(largest single move, total / concurrency)
  at 5 min/GB, so a skewed batch with one big volume isn't averaged
  away.
- volume_balance single, vacuum (already), erasure_coding (10 min/GB),
  ec_balance (5 min/GB): per-volume budgets.

admin_script and iceberg keep the configurable handler default since
their workloads are opaque to the detector.

* fix(scheduler): apply descriptor defaults to existing persisted configs

The previous commit added execution_timeout_seconds to the proto and
each handler's descriptor defaults, but two paths still left existing
deployments broken:

1. deriveSchedulerAdminRuntime returned stored AdminRuntime configs
   as-is. Persisted configs from older versions have no
   execution_timeout_seconds, so the scheduler fell back to the 90s
   default — worse than the prior 240s behavior. Overlay descriptor
   defaults for any zero numeric fields when loading.

2. The admin form did not round-trip execution_timeout_seconds, so a
   normal save would clear it back to zero. Add the input field, the
   fillAdminSettings/collectAdminSettings hooks, and as defense in
   depth reapply descriptor defaults in UpdatePluginJobTypeConfigAPI
   before persisting so a stale form can never silently clobber a
   baseline.

* fix(volume_balance): account for partial scheduling rounds in batch estimate

With N moves and C slots, the busiest slot processes ceil(N/C) moves,
not N/C. Dividing total seconds by C underestimates wall-clock time
whenever N is not a multiple of C — e.g. 6 moves at concurrency 5
needs 2 rounds, not 1.2. Use avg * ceil(N/C) so partial rounds are
counted as full ones.

* fix(volume_balance): scale minBudget per wave instead of per move

Orchestration overhead (setup/teardown for the parallel move runner)
happens once per wave, not once per move. Use numRounds*60 as the
floor instead of len(moves)*60 so the minimum doesn't inflate
linearly with batch size when individual moves are tiny.
2026-04-13 01:15:53 -07:00
Chris LuandGitHub 10b0bdce02 feat: pass expected_data_size from clients for size-aware assignment (#9032)
* feat: pass expected_data_size from clients for size-aware assignment

Add expected_data_size field to AssignRequest (master proto) and
AssignVolumeRequest (filer proto) so clients can hint how large the
data will be. The master uses this instead of the 1MB default when
tracking pending volume sizes for weighted assignment.

- Add expected_data_size to master.proto AssignRequest
- Add expected_data_size to filer.proto AssignVolumeRequest
- Wire through filer AssignVolume handler
- Wire through HTTP submit handler (uses actual upload size)
- Add ExpectedDataSize to VolumeAssignRequest in operation package
- Topology.PickForWrite accepts optional expectedDataSize parameter

* fix: guard integer conversions in expected_data_size path

- common.go: clamp OriginalDataSize to non-negative before uint64 cast
- topology.go: cap expectedDataSize at math.MaxInt64 before int64 cast

* fix: parse dataSize hint in HTTP /dir/assign and test non-zero expectedDataSize

- HTTP /dir/assign now parses optional "dataSize" query parameter
  and passes it to PickForWrite instead of hardcoded 0
- Add test assertion for PickForWrite with non-zero expectedDataSize
2026-04-11 11:30:47 -07:00
Chris Lu e648c76bcf go fmt 2026-04-10 17:31:14 -07:00
Chris LuandGitHub de5b6f2120 fix(filer,mount): add nanosecond timestamp precision (#9019)
* fix(filer,mount): add nanosecond timestamp precision

Add mtime_ns and ctime_ns fields to the FuseAttributes protobuf
message to store the nanosecond component of timestamps (0-999999999).
Previously timestamps were truncated to whole seconds.

- Update EntryAttributeToPb/PbToEntryAttribute to encode/decode ns
- Update setAttrByPbEntry/setAttrByFilerEntry to set Mtimensec/Ctimensec
- Update in-memory atime map to store time.Time (preserves nanoseconds)
- Remove tests/utimensat/08.t from known_failures.txt (all 9 subtests pass)

* fix: sync nanosecond fields on all mtime/ctime write paths

Ensure MtimeNs/CtimeNs are updated alongside Mtime/Ctime in all code
paths: truncate, flush, link, copy_range, metadata flush, and
directory touch.

* fix: set ctime/ctime_ns in copy_range and metadata flush paths
2026-04-10 11:51:06 -07:00
Chris LuandGitHub bf31f404bc test: add pjdfstest POSIX compliance suite (#9013)
* test: add pjdfstest POSIX compliance suite

Adds a script and CI workflow that runs the upstream pjdfstest POSIX
compliance test suite against a SeaweedFS FUSE mount. The script starts
a self-contained `weed mini` server, mounts the filesystem with
`weed mount`, builds pjdfstest from source, and runs it under prove(1).

* fix: address review feedback on pjdfstest setup

- Use github.ref instead of github.head_ref in concurrency group so
  push events get a stable group key
- Add explicit timeout check after filer readiness polling loop
- Refresh pjdfstest checkout when PJDFSTEST_REPO or PJDFSTEST_REF are
  overridden instead of silently reusing stale sources

* test: add Docker-based pjdfstest for faster iteration

Adds a docker-compose setup that reuses the existing e2e image pattern:
- master, volume, filer services from chrislusf/seaweedfs:e2e
- mount service extended with pjdfstest baked in (Dockerfile extends e2e)
- Tests run via `docker compose exec mount /run.sh`
- CI workflow gains a parallel `pjdfstest (docker)` job

This avoids building Go from scratch on each iteration — just rebuild the
e2e image once and iterate on the compose stack.

* fix: address second round of review feedback

- Use mktemp for WORK_DIR so each run starts with a clean filer state
- Pin PJDFSTEST_REF to immutable commit (03eb257) instead of master
- Use cp -r instead of cp -a to avoid preserving ownership during setup

* fix: address CI failure and third round of review feedback

- Fix docker job: fall back to plain docker build when buildx cache
  export is not supported (default docker driver in some CI runners)
- Use /healthz endpoint for filer healthcheck in docker-compose
- Copy logs to a fixed path (/tmp/seaweedfs-pjdfstest-logs/) for
  reliable CI artifact upload when WORK_DIR is a mktemp path

* fix(mount): improve POSIX compliance for FUSE mount

Address several POSIX compliance gaps surfaced by the pjdfstest suite:

1. Filename length limit: reduce from 4096 to 255 bytes (NAME_MAX),
   returning ENAMETOOLONG for longer names.

2. SUID/SGID clearing on write: clear setuid/setgid bits when a
   non-root user writes to a file (POSIX requirement).

3. SUID/SGID clearing on chown: clear setuid/setgid bits when file
   ownership changes by a non-root user.

4. Sticky bit enforcement: add checkStickyBit helper and enforce it
   in Unlink, Rmdir, and Rename — only file owner, directory owner,
   or root may delete entries in sticky directories.

5. ctime (inode change time) tracking: add ctime field to the
   FuseAttributes protobuf message and filer.Attr struct. Update
   ctime on all metadata-modifying operations (SetAttr, Write/flush,
   Link, Create, Mkdir, Mknod, Symlink, Truncate). Fall back to
   mtime for backward compatibility when ctime is 0.

* fix: add -T flag to docker compose exec for CI

Disable TTY allocation in the pjdfstest docker job since GitHub
Actions runners have no interactive TTY.

* fix(mount): update parent directory mtime/ctime on entry changes

POSIX requires that a directory's st_mtime and st_ctime be updated
whenever entries are created or removed within it. Add
touchDirMtimeCtime() helper and call it after:
- mkdir, rmdir
- create (including deferred creates), mknod, unlink
- symlink, link
- rename (both source and destination directories)

This fixes pjdfstest failures in mkdir/00, mkfifo/00, mknod/00,
mknod/11, open/00, symlink/00, link/00, and rmdir/00.

* fix(mount): enforce sticky bit on destination directory during rename

POSIX requires sticky-bit enforcement on both source and destination
directories during rename. When the destination directory has the
sticky bit set and a target entry already exists, only the file owner,
directory owner, or root may replace it.

* fix(mount): add in-memory atime tracking for POSIX compliance

Track atime separately from mtime using a bounded in-memory map
(capped at 8192 entries with random eviction). atime is not persisted
to the filer — it's only kept in mount memory to satisfy POSIX stat
requirements for utimensat and related syscalls.

This fixes utimensat/00, utimensat/02, utimensat/04, utimensat/05,
and utimensat/09 pjdfstest failures where atime was incorrectly
aliased to mtime.

* fix(mount): restore long filename support, fix permission checks

- Restore 4096-byte filename limit (was incorrectly reduced to 255).
  SeaweedFS stores names as protobuf strings with no ext4-style
  constraint — the 255 limit is not applicable.

- Fix AcquireHandle permission check to map filer uid/gid to local
  space before calling hasAccess, matching the pattern used in Access().

- Fix hasAccess fallback when supplementary group lookup fails: fall
  through to "other" permissions instead of requiring both group AND
  other to match, which was overly restrictive for non-existent UIDs.

* fix(mount): fix permission checks and enforce NAME_MAX=255

- Fix AcquireHandle to map uid/gid from filer-space to local-space
  before calling hasAccess, consistent with the Access handler.

- Fix hasAccess fallback when supplementary group lookup fails: use
  "other" permissions only instead of requiring both group AND other.

- Enforce NAME_MAX=255 with a comment explaining the Linux FUSE kernel
  module's VFS-layer limit. Files >255 bytes can be created via direct
  FUSE protocol calls but can't be stat'd/chmod'd via normal syscalls.

- Don't call touchDirMtimeCtime for deferred creates to avoid
  invalidating the just-cached entry via filer metadata events.

* ci: mark pjdfstest steps as continue-on-error

The pjdfstest suite has known failures (Linux FUSE NAME_MAX=255
limitation, hard link nlink/ctime tracking, nanosecond precision)
that cannot be fixed in the mount layer. Mark the test steps as
continue-on-error so the CI job reports results without blocking.

* ci: increase pjdfstest bare metal timeout to 90 minutes

* fix: use full commit hash for PJDFSTEST_REF in run.sh

Short hashes cannot be resolved by git fetch --depth 1 on shallow
clones. Use the full 40-char SHA.

* test: add pjdfstest known failures skip list

Add known_failures.txt listing 33 test files that cannot pass due to:
- Linux FUSE kernel NAME_MAX=255 (26 files)
- Hard link nlink/ctime tracking requiring filer changes (3 files)
- Parent dir mtime on deferred create (1 file)
- Directory rename permission edge case (1 file)
- rmdir after hard link unlink (1 file)
- Nanosecond timestamp precision (1 file)

Both run.sh and run_inside_container.sh now skip these tests when
running the full suite. Any failure in a non-skipped test will cause
CI to fail, catching regressions immediately.

Remove continue-on-error from CI steps since the skip list handles
known failures.

Result: 204 test files, 8380 tests, all passing.

* ci: remove bare metal pjdfstest job, keep Docker only

The bare metal job consistently gets stuck past its timeout due to
weed processes not exiting cleanly. The Docker job covers the same
tests reliably and runs faster.
2026-04-10 09:52:16 -07:00
Chris LuandGitHub d1823d3784 fix(s3): include static identities in listing operations (#8903)
* fix(s3): include static identities in listing operations

Static identities loaded from -s3.config file were only stored in the
S3 API server's in-memory state. Listing operations (s3.configure shell
command, aws iam list-users) queried the credential manager which only
returned dynamic identities from the backend store.

Register static identities with the credential manager after loading
so they are included in LoadConfiguration and ListUsers results, and
filtered out before SaveConfiguration to avoid persisting them to the
dynamic store.

Fixes https://github.com/seaweedfs/seaweedfs/discussions/8896

* fix: avoid mutating caller's config and defensive copies

- SaveConfiguration: use shallow struct copy instead of mutating the
  caller's config.Identities field
- SetStaticIdentities: skip nil entries to avoid panics
- GetStaticIdentities: defensively copy PolicyNames slice to avoid
  aliasing the original

* fix: filter nil static identities and sync on config reload

- SetStaticIdentities: filter nil entries from the stored slice (not
  just from staticNames) to prevent panics in LoadConfiguration/ListUsers
- Extract updateCredentialManagerStaticIdentities helper and call it
  from both startup and the grace.OnReload handler so the credential
  manager's static snapshot stays current after config file reloads

* fix: add mutex for static identity fields and fix ListUsers for store callers

- Add sync.RWMutex to protect staticIdentities/staticNames against
  concurrent reads during config reload
- Revert CredentialManager.ListUsers to return only store users, since
  internal callers (e.g. DeletePolicy) look up each user in the store
  and fail on non-existent static entries
- Merge static usernames in the filer gRPC ListUsers handler instead,
  via the new GetStaticUsernames method
- Fix CI: TestIAMPolicyManagement/managed_policy_crud_lifecycle was
  failing because DeletePolicy iterated static users that don't exist
  in the store

* fix: show static identities in admin UI and weed shell

The admin UI and weed shell s3.configure command query the filer's
credential manager via gRPC, which is a separate instance from the S3
server's credential manager. Static identities were only registered
on the S3 server's credential manager, so they never appeared in the
filer's responses.

- Add CredentialManager.LoadS3ConfigFile to parse a static S3 config
  file and register its identities
- Add FilerOptions.s3ConfigFile so the filer can load the same static
  config that the S3 server uses
- Wire s3ConfigFile through in weed mini and weed server modes
- Merge static usernames in filer gRPC ListUsers handler
- Add CredentialManager.GetStaticUsernames helper
- Add sync.RWMutex to protect concurrent access to static identity
  fields
- Avoid importing weed/filer from weed/credential (which pulled in
  filer store init() registrations and broke test isolation)
- Add docker/compose/s3_static_users_example.json

* fix(admin): make static users read-only in admin UI

Static users loaded from the -s3.config file should not be editable
or deletable through the admin UI since they are managed via the
config file.

- Add IsStatic field to ObjectStoreUser, set from credential manager
- Hide edit, delete, and access key buttons for static users in the
  users table template
- Show a "static" badge next to static user names
- Return 403 Forbidden from UpdateUser and DeleteUser API handlers
  when the target user is a static identity

* fix(admin): show details for static users

GetObjectStoreUserDetails called credentialManager.GetUser which only
queries the dynamic store. For static users this returned
ErrUserNotFound. Fall back to GetStaticIdentity when the store lookup
fails.

* fix(admin): load static S3 identities in admin server

The admin server has its own credential manager (gRPC store) which is
a separate instance from the S3 server's and filer's. It had no static
identity data, so IsStaticIdentity returned false (edit/delete buttons
shown) and GetStaticIdentity returned nil (details page failed).

Pass the -s3.config file path through to the admin server and call
LoadS3ConfigFile on its credential manager, matching the approach
used for the filer.

* fix: use protobuf is_static field instead of passing config file path

The previous approach passed -s3.config file path to every component
(filer, admin). This is wrong because the admin server should not need
to know about S3 config files.

Instead, add an is_static field to the Identity protobuf message.
The field is set when static identities are serialized (in
GetStaticIdentities and LoadS3ConfigFile). Any gRPC client that loads
configuration via GetConfiguration automatically sees which identities
are static, without needing the config file.

- Add is_static field (tag 8) to iam_pb.Identity proto message
- Set IsStatic=true in GetStaticIdentities and LoadS3ConfigFile
- Admin GetObjectStoreUsers reads identity.IsStatic from proto
- Admin IsStaticUser helper loads config via gRPC to check the flag
- Filer GetUser gRPC handler falls back to GetStaticIdentity
- Remove s3ConfigFile from AdminOptions and NewAdminServer signature
2026-04-03 20:01:28 -07:00
Chris LuandGitHub 995dfc4d5d chore: remove ~50k lines of unreachable dead code (#8913)
* chore: remove unreachable dead code across the codebase

Remove ~50,000 lines of unreachable code identified by static analysis.

Major removals:
- weed/filer/redis_lua: entire unused Redis Lua filer store implementation
- weed/wdclient/net2, resource_pool: unused connection/resource pool packages
- weed/plugin/worker/lifecycle: unused lifecycle plugin worker
- weed/s3api: unused S3 policy templates, presigned URL IAM, streaming copy,
  multipart IAM, key rotation, and various SSE helper functions
- weed/mq/kafka: unused partition mapping, compression, schema, and protocol functions
- weed/mq/offset: unused SQL storage and migration code
- weed/worker: unused registry, task, and monitoring functions
- weed/query: unused SQL engine, parquet scanner, and type functions
- weed/shell: unused EC proportional rebalance functions
- weed/storage/erasure_coding/distribution: unused distribution analysis functions
- Individual unreachable functions removed from 150+ files across admin,
  credential, filer, iam, kms, mount, mq, operation, pb, s3api, server,
  shell, storage, topology, and util packages

* fix(s3): reset shared memory store in IAM test to prevent flaky failure

TestLoadIAMManagerFromConfig_EmptyConfigWithFallbackKey was flaky because
the MemoryStore credential backend is a singleton registered via init().
Earlier tests that create anonymous identities pollute the shared store,
causing LookupAnonymous() to unexpectedly return true.

Fix by calling Reset() on the memory store before the test runs.

* style: run gofmt on changed files

* fix: restore KMS functions used by integration tests

* fix(plugin): prevent panic on send to closed worker session channel

The Plugin.sendToWorker method could panic with "send on closed channel"
when a worker disconnected while a message was being sent. The race was
between streamSession.close() closing the outgoing channel and sendToWorker
writing to it concurrently.

Add a done channel to streamSession that is closed before the outgoing
channel, and check it in sendToWorker's select to safely detect closed
sessions without panicking.
2026-04-03 16:04:27 -07:00
75a6a34528 dlm: resilient distributed locks via consistent hashing + backup replication (#8860)
* dlm: replace modulo hashing with consistent hash ring

Introduce HashRing with virtual nodes (CRC32-based consistent hashing)
to replace the modulo-based hashKeyToServer. When a filer node is
removed, only keys that hashed to that node are remapped to the next
server on the ring, leaving all other mappings stable. This is the
foundation for backup replication — the successor on the ring is
always the natural takeover node.

* dlm: add Generation and IsBackup fields to Lock

Lock now carries IsBackup (whether this node holds the lock as a backup
replica) and Generation (a monotonic fencing token that increments on
each fresh acquisition, stays the same on renewal). Add helper methods:
AllLocks, PromoteLock, DemoteLock, InsertBackupLock, RemoveLock, GetLock.

* dlm: add ReplicateLock RPC and generation/is_backup proto fields

Add generation field to LockResponse for fencing tokens.
Add generation and is_backup fields to Lock message.
Add ReplicateLock RPC for primary-to-backup lock replication.
Add ReplicateLockRequest/ReplicateLockResponse messages.

* dlm: add async backup replication to DistributedLockManager

Route lock/unlock via consistent hash ring's GetPrimaryAndBackup().
After a successful lock or unlock on the primary, asynchronously
replicate the operation to the backup server via ReplicateFunc
callback. Single-server deployments skip replication.

* dlm: add ReplicateLock handler and backup-aware topology changes

Add ReplicateLock gRPC handler for primary-to-backup replication.
Revise OnDlmChangeSnapshot to handle three cases on topology change:
- Promote backup locks when this node becomes primary
- Demote primary locks when this node becomes backup
- Transfer locks when this node is neither primary nor backup
Wire up SetupDlmReplication during filer server initialization.

* dlm: expose generation fencing token in lock client

LiveLock now captures the generation from LockResponse and exposes it
via Generation() method. Consumers can use this as a fencing token to
detect stale lock holders.

* dlm: update empty folder cleaner to use consistent hash ring

Replace local modulo-based hashKeyToServer with LockRing.GetPrimary()
which uses the shared consistent hash ring for folder ownership.

* dlm: add unit tests for consistent hash ring

Test basic operations, consistency on server removal (only keys from
removed server move), backup-is-successor property (backup becomes
new primary when primary is removed), and key distribution balance.

* dlm: add integration tests for lock replication failure scenarios

Test cases:
- Primary crash with backup promotion (backup has valid token)
- Backup crash with primary continuing
- Both primary and backup crash (lock lost, re-acquirable)
- Rolling restart across all nodes
- Generation fencing token increments on new acquisition
- Replication failure (primary still works independently)
- Unlock replicates deletion to backup
- Lock survives server addition (topology change)
- Consistent hashing minimal disruption (only removed server's keys move)

* dlm: address PR review findings

1. Causal replication ordering: Add per-lock sequence number (Seq) that
   increments on every mutation. Backup rejects incoming mutations with
   seq <= current seq, preventing stale async replications from
   overwriting newer state. Unlock replication also carries seq and is
   rejected if stale.

2. Demote-after-handoff: OnDlmChangeSnapshot now transfers the lock to
   the new primary first and only demotes to backup after a successful
   TransferLocks RPC. If the transfer fails, the lock stays as primary
   on this node.

3. SetSnapshot candidateServers leak: Replace the candidateServers map
   entirely instead of appending, so removed servers don't linger.

4. TransferLocks preserves Generation and Seq: InsertLock now accepts
   generation and seq parameters. After accepting a transferred lock,
   the receiving node re-replicates to its backup.

5. Rolling restart test: Add re-replication step after promotion and
   assert survivedCount > 0. Add TestDLM_StaleReplicationRejected.

6. Mixed-version upgrade note: Add comment on HashRing documenting that
   all filer nodes must be upgraded together.

* dlm: serve renewals locally during transfer window on node join

When a new node joins and steals hash ranges from surviving nodes,
there's a window between ring update and lock transfer where the
client gets redirected to a node that doesn't have the lock yet.

Fix: if the ring says primary != self but we still hold the lock
locally (non-backup, matching token), serve the renewal/unlock here
rather than redirecting. The lock will be transferred by
OnDlmChangeSnapshot, and subsequent requests will go to the new
primary once the transfer completes.

Add tests:
- TestDLM_NodeDropAndJoin_OwnershipDisruption: measures disruption
  when a node drops and a new one joins (14/100 surviving-node locks
  disrupted, all handled by transfer logic)
- TestDLM_RenewalDuringTransferWindow: verifies renewal succeeds on
  old primary during the transfer window

* dlm: master-managed lock ring with stabilization batching

The master now owns the lock ring membership. Instead of filers
independently reacting to individual ClusterNodeUpdate add/remove
events, the master:

1. Tracks filer membership in LockRingManager
2. Batches rapid changes with a 1-second stabilization timer
   (e.g., a node drop + join within 1 second → single ring update)
3. Broadcasts the complete ring snapshot atomically via the new
   LockRingUpdate message in KeepConnectedResponse

Filers receive the ring as a complete snapshot and apply it via
SetSnapshot, ensuring all filers converge to the same ring state
without intermediate churn.

This eliminates the double-churn problem where a rapid drop+join
would fire two separate ring mutations, each triggering lock
transfers and disrupting ownership on surviving nodes.

* dlm: track ring version, reject stale updates, remove dead code

SetSnapshot now takes a version parameter from the master. Stale
updates (version < current) are rejected, preventing reordered
messages from overwriting a newer ring state. Version 0 is always
accepted for bootstrap.

Remove AddServer/RemoveServer from LockRing — the ring is now
exclusively managed by the master via SetSnapshot. Remove the
candidateServers map that was only used by those methods.

* dlm: fix SelectLocks data race, advance generation on backup insert

- SelectLocks: change RLock to Lock since the function deletes map
  entries, which is a write operation and causes a data race under RLock.
- InsertBackupLock: advance nextGeneration to at least the incoming
  generation so that after failover promotion, new lock acquisitions
  get a generation strictly greater than any replicated lock.
- Bump replication failure log from V(1) to Warningf for production
  visibility.

* dlm: fix SetSnapshot race, test reliability, timer edge cases

- SetSnapshot: hold LockRing lock through both version update and
  Ring.SetServers() so they're atomic. Prevents a concurrent caller
  from seeing the new version but applying stale servers.
- Transfer window test: search for a key that actually moves primary
  when filer4 joins, instead of relying on a fixed key that may not.
- renewLock redirect: pass the existing token to the new primary
  instead of empty string, so redirected renewals work correctly.
- scheduleBroadcast: check timer.Stop() return value. If the timer
  already fired, the callback picks up latest state.
- FlushPending: only broadcast if timer.Stop() returns true (timer
  was still pending). If false, the callback is already running.
- Fix test comment: "idempotent" → "accepted, state-changing".

* dlm: use wall-clock nanoseconds for lock ring version

The lock ring version was an in-memory counter that reset to 0 on
master restart. A filer that had seen version 5 would reject version 1
from the restarted master.

Fix: use time.Now().UnixNano() as the version. This survives master
restarts without persistence — the restarted master produces a
version greater than any pre-restart value.

* dlm: treat expired lock owners as missing

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* dlm: reject stale lock transfers

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* dlm: order replication by generation

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* dlm: bootstrap lock ring on reconnect

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
2026-03-30 23:29:56 -07:00
Chris LuandGitHub ced2236cc6 Adjust rename events metadata format (#8854)
* rename metadata events

* fix subscription filter to use NewEntry.Name for rename path matching

The server-side subscription filter constructed the new path using
OldEntry.Name instead of NewEntry.Name when checking if a rename
event's destination matches the subscriber's path prefix. This could
cause events to be incorrectly filtered when a rename changes the
file name.

* fix bucket events to handle rename of bucket directories

onBucketEvents only checked IsCreate and IsDelete. A bucket directory
rename via AtomicRenameEntry now emits a single rename event (both
OldEntry and NewEntry non-nil), which matched neither check. Handle
IsRename by deleting the old bucket and creating the new one.

* fix replicator to handle rename events across directory boundaries

Two issues fixed:

1. The replicator filtered events by checking if the key (old path)
   was under the source directory. Rename events now use the old path
   as key, so renames from outside into the watched directory were
   silently dropped. Now both old and new paths are checked, and
   cross-boundary renames are converted to create or delete.

2. NewParentPath was passed to the sink without remapping to the
   sink's target directory structure, causing the sink to write
   entries at the wrong location. Now NewParentPath is remapped
   alongside the key.

* fix filer sync to handle rename events crossing directory boundaries

The early directory-prefix filter only checked resp.Directory (old
parent). Rename events now carry the old parent as Directory, so
renames from outside the source path into it were dropped before
reaching the existing cross-boundary handling logic. Check both old
and new directories against sourcePath and excludePaths so the
downstream old-key/new-key logic can properly convert these to
create or delete operations.

* fix metadata event path matching

* fix metadata event consumers for rename targets

* Fix replication rename target keys

Logical rename events now reach replication sinks with distinct source and target paths.\n\nHandle non-filer sinks as delete-plus-create on the translated target key, and make the rename fallback path create at the translated target key too.\n\nAdd focused tests covering non-filer renames, filer rename updates, and the fallback path.\n\nCo-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Fix filer sync rename path scoping

Use directory-boundary matching instead of raw prefix checks when classifying source and target paths during filer sync.\n\nAlso apply excludePaths per side so renames across excluded boundaries downgrade cleanly to create/delete instead of being misclassified as in-scope updates.\n\nAdd focused tests for boundary matching and rename classification.\n\nCo-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Fix replicator directory boundary checks

Use directory-boundary matching instead of raw prefix checks when deciding whether a source or target path is inside the watched tree or an excluded subtree.\n\nThis prevents sibling paths such as /foo and /foobar from being misclassified during rename handling, and preserves the earlier rename-target-key fix.\n\nAdd focused tests for boundary matching and rename classification across sibling/excluded directories.\n\nCo-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Fix etc-remote rename-out handling

Use boundary-safe source/target directory membership when classifying metadata events under DirectoryEtcRemote.\n\nThis prevents rename-out events from being processed as config updates, while still treating them as removals where appropriate for the remote sync and remote gateway command paths.\n\nAdd focused tests for update/removal classification and sibling-prefix handling.\n\nCo-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Defer rename events until commit

Queue logical rename metadata events during atomic and streaming renames and publish them only after the transaction commits successfully.\n\nThis prevents subscribers from seeing delete or logical rename events for operations that later fail during delete or commit.\n\nAlso serialize notification.Queue swaps in rename tests and add failure-path coverage.\n\nCo-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Skip descendant rename target lookups

Avoid redundant target lookups during recursive directory renames once the destination subtree is known absent.\n\nThe recursive move path now inserts known-absent descendants directly, and the test harness exercises prefixed directory listing so the optimization is covered by a directory rename regression test.\n\nCo-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Tighten rename review tests

Return filer_pb.ErrNotFound from the bucket tracking store test stub so it follows the FilerStore contract, and add a webhook filter case for same-name renames across parent directories.\n\nCo-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* fix HardLinkId format verb in InsertEntryKnownAbsent error

HardLinkId is a byte slice. %d prints each byte as a decimal number
which is not useful for an identifier. Use %x to match the log line
two lines above.

* only skip descendant target lookup when source and dest use same store

moveFolderSubEntries unconditionally passed skipTargetLookup=true for
every descendant. This is safe when all paths resolve to the same
underlying store, but with path-specific store configuration a child's
destination may map to a different backend that already holds an entry
at that path. Use FilerStoreWrapper.SameActualStore to check per-child
and fall back to the full CreateEntry path when stores differ.

* add nil and create edge-case tests for metadata event scope helpers

* extract pathIsEqualOrUnder into util.IsEqualOrUnder

Identical implementations existed in both replication/replicator.go and
command/filer_sync.go. Move to util.IsEqualOrUnder (alongside the
existing FullPath.IsUnder) and remove the duplicates.

* use MetadataEventTargetDirectory for new-side directory in filer sync

The new-side directory checks and sourceNewKey computation used
message.NewParentPath directly. If NewParentPath were empty (legacy
events, older filer versions during rolling upgrades), sourceNewKey
would be wrong (/filename instead of /dir/filename) and the
UpdateEntry parent path rewrite would panic on slice bounds.

Derive targetDir once from MetadataEventTargetDirectory, which falls
back to resp.Directory when NewParentPath is empty, and use it
consistently for all new-side checks and the sink parent path.
2026-03-30 18:25:11 -07:00
Chris LuandGitHub 2eaf98a7a2 Use Unix sockets for gRPC in mini mode (#8856)
* Use Unix sockets for gRPC between co-located services in mini mode

In `weed mini`, all services run in one process. Previously, inter-service
gRPC traffic (volume↔master, filer↔master, S3↔filer, worker↔admin, etc.)
went through TCP loopback. This adds a gRPC Unix socket registry in the pb
package: mini mode registers a socket path per gRPC port at startup, each
gRPC server additionally listens on its socket, and GrpcDial transparently
routes to the socket via WithContextDialer when a match is found.

Standalone commands (weed master, weed filer, etc.) are unaffected since
no sockets are registered. TCP listeners are kept for external clients.

* Handle Serve error and clean up socket file in ServeGrpcOnLocalSocket

Log non-expected errors from grpcServer.Serve (ignoring
grpc.ErrServerStopped) and always remove the Unix socket file
when Serve returns, ensuring cleanup on Stop/GracefulStop.
2026-03-30 18:18:52 -07:00
c2c58419b8 filer.sync: send log file chunk fids to clients for direct volume server reads (#8792)
* filer.sync: send log file chunk fids to clients for direct volume server reads

Instead of the server reading persisted log files from volume servers, parsing
entries, and streaming them over gRPC (serial bottleneck), clients that opt in
via client_supports_metadata_chunks receive log file chunk references (fids)
and read directly from volume servers in parallel.

New proto messages:
- LogFileChunkRef: chunk fids + timestamp + filer ID for one log file
- SubscribeMetadataRequest.client_supports_metadata_chunks: client opt-in
- SubscribeMetadataResponse.log_file_refs: server sends refs during backlog

Server changes:
- CollectLogFileRefs: lists log files and returns chunk refs without any
  volume server I/O (metadata-only operation)
- SubscribeMetadata/SubscribeLocalMetadata: when client opts in, sends refs
  during persisted log phase, then falls back to normal streaming for
  in-memory events

Client changes:
- ReadLogFileRefs: reads log files from volume servers, parses entries,
  filters by path prefix, invokes processEventFn
- MetadataFollowOption.LogFileReaderFn: factory for chunk readers,
  enables metadata chunks when non-nil
- Both filer_pb_tail.go and meta_aggregator.go recv loops accumulate
  refs then process them at the disk→memory transition

Backward compatible: old clients don't set the flag, get existing behavior.

Ref: #8771

* filer.sync: merge entries across filers in timestamp order on client side

ReadLogFileRefs now groups refs by filer ID and merges entries from
multiple filers using a min-heap priority queue — the same algorithm
the server uses in OrderedLogVisitor + LogEntryItemPriorityQueue.

This ensures events are processed in correct timestamp order even when
log files from different filers have interleaved timestamps. Single-filer
case takes the fast path (no heap allocation).

* filer.sync: integration tests for direct-read metadata chunks

Three test categories:

1. Merge correctness (TestReadLogFileRefsMergeOrder):
   Verifies entries from 3 filers are delivered in strict timestamp order,
   matching the server-side OrderedLogVisitor guarantee.

2. Path filtering (TestReadLogFileRefsPathFilter):
   Verifies client-side path prefix filtering works correctly.

3. Throughput comparison (TestDirectReadVsServerSideThroughput):
   3 filers × 7 files × 300 events = 6300 events, 2ms per file read:

   server-side:  6300 events  218ms   28,873 events/sec
   direct-read:  6300 events   51ms  123,566 events/sec  (4.3x)
   parallel:     6300 events   17ms  378,628 events/sec  (13.1x)

   Direct-read eliminates gRPC send overhead per event (4.3x).
   Parallel per-filer reading eliminates serial file I/O (13.1x).

* filer.sync: parallel per-filer reads with prefetching in ReadLogFileRefs

ReadLogFileRefs now has two levels of I/O overlap:

1. Cross-filer parallelism: one goroutine per filer reads its files
   concurrently. Entries feed into per-filer channels, merged by the
   main goroutine via min-heap (same ordering guarantee as the server's
   OrderedLogVisitor).

2. Within-filer prefetching: while the current file's entries are being
   consumed by the merge heap, the next file is already being read from
   the volume server in a background goroutine.

Single-filer fast path avoids the heap and channels.

Test results (3 filers × 7 files × 300 events, 2ms per file read):

  server-side sequential:  6300 events  212ms   29,760 events/sec
  parallel + prefetch:     6300 events   36ms  177,443 events/sec
  Speedup: 6.0x

* filer.sync: address all review comments on metadata chunks PR

Critical fixes:
- sendLogFileRefs: bypass pipelinedSender, send directly on gRPC stream.
  Ref messages have TsNs=0 and were being incorrectly batched into the
  Events field by the adaptive batching logic, corrupting ref delivery.
- readLogFileEntries: use io.ReadFull instead of reader.Read to prevent
  partial reads from corrupting size values or protobuf data.
- Error handling: only skip chunk-not-found errors (matching server-side
  isChunkNotFoundError). Other I/O or decode failures are propagated so
  the follower can retry.

High-priority fixes:
- CollectLogFileRefs: remove incorrect +24h padding from stopTime. The
  extra day caused unnecessary log file refs to be collected.
- Path filtering: ReadLogFileRefs now accepts PathFilter struct with
  PathPrefix, AdditionalPathPrefixes, and DirectoriesToWatch. Uses
  util.Join for path construction (avoids "//foo" on root). Excludes
  /.system/log/ internal entries. Matches server-side
  eachEventNotificationFn filtering logic.

Medium-priority fixes:
- CollectLogFileRefs: accept context.Context, propagate to
  ListDirectoryEntries calls for cancellation support.
- NewChunkStreamReaderFromLookup: accept context.Context, propagate to
  doNewChunkStreamReader.

Test fixes:
- Check error returns from ReadLogFileRefs in all test call sites.

---------

Co-authored-by: Copilot <copilot@github.com>
2026-03-27 11:01:29 -07:00
d97660d0cd filer.sync: pipelined subscription with adaptive batching for faster catch-up (#8791)
* filer.sync: pipelined subscription with adaptive batching for faster catch-up

The SubscribeMetadata pipeline was fully serial: reading a log entry from a
volume server, unmarshaling, filtering, and calling stream.Send() all happened
one-at-a-time. stream.Send() blocked the entire pipeline until the client
acknowledged each event, limiting throughput to ~80 events/sec regardless of
the -concurrency setting.

Three server-side optimizations that stack:

1. Pipelined sender: decouple stream.Send() from the read loop via a buffered
   channel (1024 messages). A dedicated goroutine handles gRPC delivery while
   the reader continues processing the next events.

2. Adaptive batching: when event timestamps are >2min behind wall clock
   (backlog catch-up), drain multiple events from the channel and pack them
   into a single stream.Send() using a new `repeated events` field on
   SubscribeMetadataResponse. When events are recent (real-time), send
   one-by-one for low latency. Old clients ignore the new field (backward
   compatible).

3. Persisted log readahead: run the OrderedLogVisitor in a background
   goroutine so volume server I/O for the next log file overlaps with event
   processing and gRPC delivery.

4. Event-driven aggregated subscription: replace time.Sleep(1127ms) polling
   in SubscribeMetadata with notification-driven wake-up using the
   MetaLogBuffer subscriber mechanism, reducing real-time latency from
   ~1127ms to sub-millisecond.

Combined, these create a 3-stage pipeline:
  [Volume I/O → readahead buffer] → [Filter → send buffer] → [gRPC Send]

Test results (simulated backlog with 50µs gRPC latency per Send):
  direct (old):        2100 events  2100 sends  168ms   12,512 events/sec
  pipelined+batched:   2100 events    14 sends   40ms   52,856 events/sec
  Speedup: 4.2x single-stream throughput

Ref: #8771

* filer.sync: require client opt-in for batch event delivery

Add ClientSupportsBatching field to SubscribeMetadataRequest. The server
only packs events into the Events batch field when the client explicitly
sets this flag to true. Old clients (Java SDK, third-party) that don't
set the flag get one-event-per-Send, preserving backward compatibility.

All Go callers (FollowMetadata, MetaAggregator) set the flag to true
since their recv loops already unpack batched events.

* filer.sync: clear batch Events field after Send to release references

Prevents the envelope message from holding references to the rest of the
batch after gRPC serialization, allowing the GC to collect them sooner.

* filer.sync: fix Send deadlock, add error propagation test, event-driven local subscribe

- pipelinedSender.Send: add case <-s.done to unblock when sender goroutine
  exits (fixes deadlock when errCh was already consumed by a prior Send).
- pipelinedSender.reportErr: remove for-range drain on sendCh that could
  block indefinitely. Send() now detects exit via s.done instead.
- SubscribeLocalMetadata: replace remaining time.Sleep(1127ms) in the
  gap-detected-no-memory-data path with event-driven listenersCond.Wait(),
  consistent with the rest of the subscription paths.
- Add TestPipelinedSenderErrorPropagation: verifies error surfaces via
  Send and Close when the underlying stream fails.
- Replace goto with labeled break in test simulatePipeline.

* filer.sync: check error returns in test code

- direct_send: check slowStream.Send error return
- pipelined_batched_send: check sender.Close error return
- simulatePipeline: return error from sender.Close, propagate to callers

---------

Co-authored-by: Copilot <copilot@github.com>
2026-03-26 23:55:42 -07:00
Chris LuandGitHub ba624f1f34 Rust volume server implementation with CI (#8539)
* Match Go gRPC client transport defaults

* Honor Go HTTP idle timeout

* Honor maintenanceMBps during volume copy

* Honor images.fix.orientation on uploads

* Honor cpuprofile when pprof is disabled

* Match Go memory status payloads

* Propagate request IDs across gRPC calls

* Format pending Rust source updates

* Match Go stats endpoint payloads

* Serve Go volume server UI assets

* Enforce Go HTTP whitelist guards

* Align Rust metrics admin-port test with Go behavior

* Format pending Rust server updates

* Honor access.ui without per-request JWT checks

* Honor keepLocalDatFile in tier upload shortcut

* Honor Go remote volume write mode

* Load tier backends from master config

* Check master config before loading volumes

* Remove vif files on volume destroy

* Delete remote tier data on volume destroy

* Honor vif version defaults and overrides

* Reject mismatched vif bytes offsets

* Load remote-only tiered volumes

* Report Go tail offsets in sync status

* Stream remote dat in incremental copy

* Honor collection vif for EC shard config

* Persist EC expireAtSec in vif metadata

* Stream remote volume reads through HTTP

* Serve HTTP ranges from backend source

* Match Go ReadAllNeedles scan order

* Match Go CopyFile zero-stop metadata

* Delete EC volumes with collection cleanup

* Drop deleted collection metrics

* Match Go tombstone ReadNeedleMeta

* Match Go TTL parsing: all-digit default to minutes, two-pass fit algorithm

* Match Go needle ID/cookie formatting and name size computation

* Match Go image ext checks: webp resize only, no crop; empty healthz body

* Match Go Prometheus metric names and add missing handler counter constants

* Match Go ReplicaPlacement short string parsing with zero-padding

* Add missing EC constants MAX_SHARD_COUNT and MIN_TOTAL_DISKS

* Add walk_ecx_stats for accurate EC volume file counts and size

* Match Go VolumeStatus dat file size, EC shard stats, and disk pct precision

* Match Go needle map: unconditional delete counter, fix redb idx walk offset

* Add CompactMapSegment overflow panic guard matching Go

* Match Go volume: vif creation, version from superblock, TTL expiry, dedup data_size, garbage_level fallback

* Match Go 304 Not Modified: return bare status with no headers

* Match Go JWT error message: use "wrong jwt" instead of detailed error

* Match Go read handler bare 400, delete error prefix, download throttle timeout

* Match Go pretty JSON 1-space indent and "Deletion Failed:" error prefix

* Match Go heartbeat: keep is_heartbeating on error, add EC shard identification

* Match Go needle ReadBytes V2: tolerate EOF on truncated body

* Match Go volume: cookie check on any existing needle, return DataSize, 128KB meta guard

* Match Go DeleteCollection: propagate destroy errors

* Match Go gRPC: BatchDelete no flag, IncrementalCopy error, FetchAndWrite concurrent, VolumeUnmount/DeleteCollection errors, tail draining, query error code

* Match Go Content-Disposition RFC 6266 formatting with RFC 2231 encoding

* Match Go Guard isWriteActive: combine whitelist and signing key check

* Match Go DeleteCollectionMetrics: use partial label matching

* Match Go heartbeat: send state-only delta on volume state changes

* Match Go ReadNeedleMeta paged I/O: read header+tail only, skip data; add EIO tracking

* Match Go ScrubVolume INDEX mode dispatch; add VolumeCopy preallocation and EC NeedleStatus TODOs

* Add read_ec_shard_needle for full needle reconstruction from local EC shards

* Make heartbeat master config helpers pub for VolumeCopy preallocation

* Match Go gRPC: VolumeCopy preallocation, EC NeedleStatus full read, error message wording

* Match Go HTTP responses: omitempty fields, 2-space JSON indent, JWT JSON error, delete pretty/JSONP, 304 Last-Modified, raw write error

* Match Go WriteNeedleBlob V3 timestamp patching, fix makeup_diff double padding, count==0 read handling

* Add rebuild_ecx_file for EC index reconstruction from data shards

* Match Go gRPC: tail header first-chunk-only, EC cleanup on failure, copy append mode, ecx rebuild, compact cancellation

* Add EC volume read and delete support in HTTP handlers

* Add per-shard EC mount/unmount, location predicate search, idx directory for EC

* Add CheckVolumeDataIntegrity on volume load matching Go

* Match Go gRPC: EC multi-disk placement, per-shard mount/unmount, no auto-mount on reconstruct, streaming ReadAll/EcShardRead, ReceiveFile cleanup, version check, proxy streaming, redirect Content-Type

* Match Go heartbeat metric accounting

* Match Go duplicate UUID heartbeat retries

* Delete expired EC volumes during heartbeat

* Match Go volume heartbeat pruning

* Honor master preallocate in volume max

* Report remote storage info in heartbeats

* Emit EC heartbeat deltas on shard changes

* Match Go throttle boundary: use <= instead of <, fix pretty JSON to 1-space

* Match Go write_needle_blob monotonic appendAtNs via get_append_at_ns

* Match Go VolumeUnmount: idempotent success when volume not found

* Match Go TTL Display: return empty string when unit is Empty

Go checks `t.Unit == Empty` separately and returns "" for TTLs
with nonzero count but Empty unit. Rust only checked is_empty()
(count==0 && unit==0), so count>0 with unit=0 would format as
"5 " instead of "".

* Match Go error behavior for truncated needle data in read_body_v2

Go's readNeedleDataVersion2 returns "index out of range %d" errors
(indices 1-7) when needle body or metadata fields are truncated.
Rust was silently tolerating truncation and returning Ok. Now returns
NeedleError::IndexOutOfRange with the matching index for each field.

* Match Go download throttle: return JSON error instead of plain text

* Match Go crop params: default x1/y1 to 0 when not provided

* Match Go ScrubEcVolume: accumulate total_files from EC shards

* Match Go ScrubVolume: count total_files even on scrub error

* Match Go VolumeEcShardsCopy: set ignore_source_file_not_found for .vif

* Match Go VolumeTailSender: send needle_header on every chunk

* Match Go read_super_block: apply replication override from .vif

* Match Go check_volume_data_integrity: verify all 10 entries, detect trailing corruption

* Match Go WriteNeedleBlob: dedup check before writing during replication

* handlers: use meta-only reads for HEAD

* handlers: align range parsing and responses with Go

* handlers: align upload parsing with Go

* deps: enable webp support

* Make 5bytes the default feature for idx entry compatibility

* Match Go TTL: preserve original unit when count fits in byte

* Fix EC locate_needle: use get_actual_size for full needle size

* Fix raw body POST: only parse multipart when Content-Type contains form-data

* Match Go ReceiveFile: return protocol errors in response body, not gRPC status

* add docs

* Match Go VolumeEcShardsCopy: append to .ecj file instead of truncating

* Match Go ParsePath: support _delta suffix on file IDs for sub-file addressing

* Match Go chunk manifest: add Accept-Ranges, Content-Disposition, filename fallback, MIME detection

* Match Go privateStoreHandler: use proper JSON error for unsupported methods

* Match Go Destroy: add only_empty parameter to reject non-empty volume deletion

* Fix compilation: set_read_only_persist and set_writable return ()

These methods fire-and-forget save_vif internally, so gRPC callers
should not try to chain .map_err() on the unit return type.

* Match Go SaveVolumeInfo: check writability and propagate errors in save_vif

* Match Go VolumeDelete: propagate only_empty to delete_volume for defense in depth

The gRPC VolumeDelete handler had a pre-check for only_empty but then
passed false to store.delete_volume(), bypassing the store-level check.
Go passes req.OnlyEmpty directly to DeleteVolume. Now Rust does the same
for defense in depth against TOCTOU races (though the store write lock
makes this unlikely).

* Match Go ProcessRangeRequest: return full content for empty/oversized ranges

Go returns nil from ProcessRangeRequest when ranges are empty or total
range size exceeds content length, causing the caller to serve the full
content as a normal 200 response. Rust was returning an empty 200 body.

* Match Go Query: quote JSON keys in output records

Go's ToJson produces valid JSON with quoted keys like {"name":"Alice"}.
Rust was producing invalid JSON with unquoted keys like {name:"Alice"}.

* Match Go VolumeCopy: reject when no suitable disk location exists

Go returns ErrVolumeNoSpaceLeft when no location matches the disk type
and has sufficient space. Rust had an unsafe fallback that silently
picked the first location regardless of type or available space.

* Match Go DeleteVolumeNeedle: check noWriteOrDelete before allowing delete

Go checks v.noWriteOrDelete before proceeding with needle deletion,
returning "volume is read only" if true. Rust was skipping this check.

* Match Go ReceiveFile: prefer HardDrive location for EC and use response-level write errors

Two fixes: (1) Go prefers HardDriveType disk location for EC volumes,
falling back to first location. Returns "no storage location available"
when no locations exist. (2) Write failures are now response-level
errors (in response body) instead of gRPC status errors, matching Go.

* Match Go CopyFile: sync EC volume journal to disk before copying

Go calls ecVolume.Sync() before copying EC volume files to ensure the
.ecj journal is flushed to disk. Added sync_to_disk() to EcVolume and
call it in the CopyFile EC branch.

* Match Go readSuperBlock: propagate replication parse errors

Go returns an error when parsing the replication string from the .vif
file fails. Rust was silently ignoring the parse failure and using the
super block's replication as-is.

* Match Go TTL expiry: remove append_at_ns > 0 guard

Go computes TTL expiry from AppendAtNs without guarding against zero.
When append_at_ns is 0, the expiry is epoch + TTL which is in the past,
correctly returning NotFound. Rust's extra guard skipped the check,
incorrectly returning success for such needles.

* Match Go delete_collection: skip volumes with compaction in progress

Go checks !v.isCompactionInProgress.Load() before destroying a volume
during collection deletion, skipping compacting volumes. Also changed
destroy errors to log instead of aborting the entire collection delete.

* Match Go MarkReadonly/MarkWritable: always notify master even on local error

Go always notifies the master regardless of whether the local
set_read_only_persist or set_writable step fails. The Rust code was
using `?` which short-circuited on error, skipping the final master
notification. Save the result and defer the `?` until after the
notify call.

* Match Go PostHandler: return 500 for all write errors

Go returns 500 (InternalServerError) for all write failures. Rust was
returning 404 for volume-not-found and 403 for read-only volumes.

* Match Go makeupDiff: validate .cpd compaction revision is old + 1

Go reads the new .cpd file's super block and verifies the compaction
revision is exactly old + 1. Rust only validated the old revision.

* Match Go VolumeStatus: check data backend before returning status

Go checks v.DataBackend != nil before building the status response,
returning an error if missing. Rust was silently returning size 0.

* Match Go PostHandler: always include mime field in upload response JSON

Go always serializes the mime field even when empty ("mime":""). Rust was
omitting it when empty due to Option<String> with skip_serializing_if.

* Match Go FindFreeLocation: account for EC shards in free slot calculation

Go subtracts EC shard equivalents when computing available volume slots.
Rust was only comparing volume count, potentially over-counting free
slots on locations with many EC shards.

* Match Go privateStoreHandler: use INVALID as metrics label for unsupported methods

Go records the method as INVALID in metrics for unsupported HTTP methods.
Rust was using the actual method name.

* Match Go volume: add commit_compact guard and scrub data size validation

Two fixes: (1) commit_compact now checks/sets is_compacting flag to
prevent concurrent commits, matching Go's CompareAndSwap guard.
(2) scrub now validates total needle sizes against .dat file size.

* Match Go gRPC: fix TailSender error propagation, EcShardsInfo all slots, EcShardRead .ecx check

Three fixes: (1) VolumeTailSender now propagates binary search errors
instead of silently falling back to start. (2) VolumeEcShardsInfo
returns entries for all shard slots including unmounted. (3)
VolumeEcShardRead checks .ecx index for deletions instead of .ecj.

* Match Go metrics: add BuildInfo gauge and connection tracking functions

Go exposes a BuildInfo Prometheus metric with version labels, and tracks
open connections via stats.ConnectionOpen/Close. Added both to Rust.

* Match Go NeedleMap.Delete: use !is_deleted() instead of is_valid()

Go's CompactMap.Delete checks !IsDeleted() not IsValid(), so needles
with size==0 (live but anomalous) can still be deleted. The Rust code
was using is_valid() which returns false for size==0, preventing
deletion of such needles.

* Match Go fitTtlCount: always normalize TTL to coarsest unit

Go's fitTtlCount always converts to seconds first, then finds the
coarsest unit that fits in one byte (e.g., 120m → 2h). Rust had an
early return for count<=255 that skipped normalization, producing
different binary encodings for the same duration.

* Match Go BuildInfo metric: correct name and add missing labels

Go uses SeaweedFS_build_info (Namespace=SeaweedFS, Subsystem=build,
Name=info) with labels [version, commit, sizelimit, goos, goarch].
Rust had SeaweedFS_volumeServer_buildInfo with only [version].

* Match Go HTTP handlers: fix UploadResult fields, DiskStatus JSON, chunk manifest ETag

- UploadResult.mime: add skip_serializing_if to omit empty MIME (Go uses omitempty)
- UploadResult.contentMd5: only include when request provided Content-MD5 header
- Content-MD5 response header: only set when request provided it
- DiskStatuses: use camelCase field names (percentFree, percentUsed, diskType)
  to match Go's protobuf JSON marshaling
- Chunk manifest: preserve needle ETag in expanded response headers

* Match Go volume: fix version(), integrity check, scrub, and commit_compact

- version(): use self.version() instead of self.super_block.version in
  read_all_needles, check_volume_data_integrity, scan_raw_needles_from
  to respect volumeInfo.version override
- check_volume_data_integrity: initialize healthy_index_size to idx_size
  (matching Go) and continue on EOF instead of returning error
- scrub(): count deleted needles in total_read since they still occupy
  space in the .dat file (matches Go's totalRead += actualSize for deleted)
- commit_compact: clean up .cpd/.cpx files on makeup_diff failure
  (matches Go's error path cleanup)

* Match Go write queue: add 4MB batch byte limit

Go's startWorker breaks the batch at either 128 requests or 4MB of
accumulated write data. Rust only had the 128-request limit, allowing
large writes to accumulate unbounded latency.

* Add TTL normalization tests for Go parity verification

Test that fit_ttl_count normalizes 120m→2h, 24h→1d, 7d→1w even
when count fits in a byte, matching Go's fitTtlCount behavior.

* Match Go FindFreeLocation: account for EC shards in free slot calculation

Go's free volume count subtracts both regular volumes and EC volumes
from max_volume_count. Rust was only counting regular volumes, which
could over-report available slots when EC shards are mounted.

* Match Go EC volume: mark deletions in .ecx and replay .ecj at startup

Go's DeleteNeedleFromEcx marks needles as deleted in the .ecx index
in-place (writing TOMBSTONE_FILE_SIZE at the size field) in addition
to appending to the .ecj journal. Go's RebuildEcxFile replays .ecj
entries into .ecx on startup, then removes the .ecj file.

Rust was only appending to .ecj without marking .ecx, which meant
deleted EC needles remained readable via .ecx binary search. This
fix:
- Opens .ecx in read/write mode (was read-only)
- Adds mark_needle_deleted_in_ecx: binary search + in-place write
- Calls it from journal_delete before appending to .ecj
- Adds rebuild_ecx_from_journal: replays .ecj into .ecx on startup

* Match Go check_all_ec_shards_deleted: use MAX_SHARD_COUNT instead of hardcoded 14

Go's TotalShardsCount is DataShardsCount + ParityShardsCount = 14 by
default, but custom EC configs via .vif can have more shards (up to
MaxShardCount = 32). Using MAX_SHARD_COUNT ensures all shard files
are checked regardless of EC configuration.

* Match Go EC locate: subtract 1 from shard size and use datFileSize override

Go's LocateEcShardNeedleInterval passes shard.ecdFileSize-1 to
LocateData (shards are padded, -1 avoids overcounting large block
rows). When datFileSize is known, Go uses datFileSize/DataShards
instead. Rust was passing the raw shard file size without adjustment.

* Fix TTL parsing and DiskStatus field names to match Go exactly

TTL::read: Go's ReadTTL preserves the original unit (7d stays 7d,
not 1w) and errors on count > 255. The previous normalization change
was incorrect — Go only normalizes internally via fitTtlCount, not
during string parsing.

DiskStatus: Go uses encoding/json on protobuf structs, which reads
the json struct tags (snake_case: percent_free, percent_used,
disk_type), not the protobuf JSON names (camelCase). Revert to
snake_case to match Go's actual output.

* Fix heartbeat: check leader != current master before redirect, process duplicated UUIDs first

Match Go's volume_grpc_client_to_master.go behavior:
1. Only trigger leader redirect when the leader address differs from the
   current master (prevents unnecessary reconnect loops when master confirms
   its own address).
2. Process duplicated_uuids before leader redirect check, matching Go's
   ordering where duplicate UUID detection takes priority.

* Remove SetState version check to match Go behavior

Go's SetState unconditionally applies the state without any version
mismatch check. The Rust version had an extra optimistic concurrency
check that would reject valid requests from Go clients that don't
track versions.

* Fix TTL::read() to normalize via fit_ttl_count matching Go's ReadTTL

Go's ReadTTL calls fitTtlCount which converts to seconds and normalizes
to the coarsest unit that fits in a byte count (e.g. 120m->2h, 7d->1w,
24h->1d). The Rust version was preserving the original unit, producing
different binary encodings on disk and in heartbeat messages.

* Always return Content-MD5 header and JSON field on successful writes

Go always sets Content-MD5 in the response regardless of whether the
request included it. The Rust version was conditionally including it
only when the request provided Content-MD5.

* Include name and size in UploadResult JSON even when empty/zero

Go's encoding/json always includes empty strings and zero values in
the upload response. The Rust version was using skip_serializing_if
to omit them, causing JSON structure differences.

* Include deleted needles in scan_raw_needles_from to match Go

Go's ScanVolumeFileFrom visits ALL needles including deleted ones.
Skipping deleted entries during incremental copy would cause tombstones
to not be propagated, making deleted files reappear on the receiving side.

* Match Go NeedleMap.Delete: always write tombstone to idx file

Go's NeedleMap.Delete unconditionally writes a tombstone entry to the
idx file and updates metrics, even if the needle doesn't exist or is
already deleted. This is important for replication where every delete
operation must produce an idx write. The Rust version was skipping the
tombstone write for non-existent or already-deleted needles.

* Limit MIME type to 255 bytes matching Go's CreateNeedleFromRequest

* Title-case Seaweed-* pair keys to match Go HTTP header canonicalization

* Unify DiskType::Hdd into HardDrive to match Go's single HardDriveType

* Skip tombstone entries in walk_ecx_stats total_size matching Go's Raw()

* Return EMPTY TTL when computed seconds is zero matching Go's fitTtlCount

* Include disk-space-low in Volume.is_read_only() matching Go

* Log error on CIDR parse failure in whitelist matching Go's glog.Errorf

* Log cookie mismatch in gRPC Query matching Go's V(0).Infof

* Fix is_expired volume_size comparison to use < matching Go

Go checks `volumeSize < super_block.SuperBlockSize` (strict less-than),
but Rust used `<=`. This meant Rust would fail to expire a volume that
is exactly SUPER_BLOCK_SIZE bytes.

* Apply Go's JWT expiry defaults: 10s write, 60s read

Go calls v.SetDefault("jwt.signing.expires_after_seconds", 10) and
v.SetDefault("jwt.signing.read.expires_after_seconds", 60). Rust
defaulted to 0 for both, which meant tokens would never expire when
security.toml has a signing key but omits expires_after_seconds.

* Stop [grpc.volume].ca from overriding [grpc].ca matching Go

Go reads the gRPC CA file only from config.GetString("grpc.ca"), i.e.
the [grpc] section. The [grpc.volume] section only provides cert and
key. Rust was also reading ca from [grpc.volume] which would silently
override the [grpc].ca value when both were present.

* Fix free_volume_count to use EC shard count matching Go

Was counting EC volumes instead of EC shards, which underestimates EC
space usage. One EC volume with 14 shards uses ~1.4 volume slots, not 1.
Now uses Go's formula: ((max - volumes) * DataShardsCount - ecShardCount) / DataShardsCount.

* Include preallocate in compaction space check matching Go

Go uses max(preallocate, estimatedCompactSize) for the free space check.
Rust was only using the estimated volume size, which could start a
compaction that fails mid-way if preallocate exceeds the volume size.

* Check gzip magic bytes before setting Content-Encoding matching Go

Go checks both Accept-Encoding contains "gzip" AND IsGzippedContent
(data starts with 0x1f 0x8b) before setting Content-Encoding: gzip.
Rust only checked Accept-Encoding, which could incorrectly declare
gzip encoding for non-gzip compressed data.

* Only set upload response name when needle HasName matching Go

Go checks reqNeedle.HasName() before setting ret.Name. Rust always set
the name from the filename variable, which could return the fid portion
of the path as the name for raw PUT requests without a filename.

* Treat MaxVolumeCount==0 as unlimited matching Go's hasFreeDiskLocation

Go's hasFreeDiskLocation returns true immediately when MaxVolumeCount
is 0, treating it as unlimited. Rust was computing effective_free as
<= 0 for max==0, rejecting the location. This could fail volume
creation during early startup before the first heartbeat adjusts max.

* Read lastAppendAtNs from deleted V3 entries in integrity check

Go's doCheckAndFixVolumeData reads AppendAtNs from both live entries
(verifyNeedleIntegrity) and deleted tombstones (verifyDeletedNeedleIntegrity).
Rust was skipping deleted entries, which could result in a stale
last_append_at_ns if the last index entry is a deletion.

* Return empty body for empty/oversized range requests matching Go

Go's ProcessRangeRequest returns nil (empty body, 200 OK) when
parsed ranges are empty or combined range size exceeds total content
size. The Rust buffered path incorrectly returned the full file data
for both cases. The streaming path already handled this correctly.

* Dispatch ScrubEcVolume by mode matching Go's INDEX/LOCAL/FULL

Go's ScrubEcVolume switches on mode: INDEX calls v.ScrubIndex()
(ecx integrity only), LOCAL calls v.ScrubLocal(), FULL calls
vs.store.ScrubEcVolume(). Rust was ignoring the mode and always
running verify_ec_shards. Now INDEX mode checks ecx index integrity
(sorted overlap detection + file size validation) without shard I/O,
while LOCAL/FULL modes run the existing shard verification.

* Fix TTL test expectation: 7d normalizes to 1w matching Go's fitTtlCount

Go's ReadTTL calls fitTtlCount which normalizes to the coarsest unit
that fits: 7 days = 1 week, so "7d" becomes {Count:1, Unit:Week}
which displays as "1w". Both Go and Rust normalize identically.

* Add version mismatch check to SetState matching Go's State.Update

Go's State.Update compares the incoming version with the stored
version and returns "version mismatch" error if they differ. This
provides optimistic concurrency control. The Rust implementation
was accepting any version unconditionally.

* Use unquoted keys in Query JSON output matching Go's json.ToJson

Go's json.ToJson produces records with unquoted keys like
{score:12} not {"score":12}. This is a custom format used
internally by SeaweedFS for query results.

* Fix TTL test expectation in VolumeNeedleStatus: 7d normalizes to 1w

Same normalization as the HTTP test: Go's ReadTTL calls fitTtlCount
which converts 7 days to 1 week.

* Include ETag header in 304 Not Modified responses matching Go behavior

Go sets ETag on the response writer (via SetEtag) before the
If-Modified-Since and If-None-Match conditional checks, so both
304 response paths include the ETag header. The Rust implementation
was only adding ETag to 200 responses.

* Remove needle-name fallback in chunk manifest filename resolution

Go's tryHandleChunkedFile only falls back from URL filename to
manifest name. Rust had an extra fallback to needle.name that
Go does not perform, which could produce different
Content-Disposition filenames for chunk manifests.

* Validate JWT nbf (Not Before) claim matching Go's jwt-go/v5

Go's jwt.ParseWithClaims validates the nbf claim when present,
rejecting tokens whose nbf is in the future. The Rust jsonwebtoken
crate defaults validate_nbf to false, so tokens with future nbf
were incorrectly accepted.

* Set isHeartbeating to true at startup matching Go's VolumeServer init

Go unconditionally sets isHeartbeating: true in the VolumeServer
struct literal. Rust was starting with false when masters are
configured, causing /healthz to return 503 until the first
heartbeat succeeds.

* Call store.close() on shutdown matching Go's Shutdown()

Go's Shutdown() calls vs.store.Close() which closes all volumes
and flushes file handles. The Rust server was relying on process
exit for cleanup, which could leave data unflushed.

* Include server ID in maintenance mode error matching Go's format

Go returns "volume server %s is in maintenance mode" with the
store ID. Rust was returning a generic "maintenance mode" message.

* Fix DiskType test: use HardDrive variant matching Go's HddType=""

Go maps both "" and "hdd" to HardDriveType (empty string). The
Rust enum variant is HardDrive, not Hdd. The test referenced a
nonexistent Hdd variant causing compilation failure.

* Do not include ETag in 304 responses matching Go's GetOrHeadHandler

Go sets ETag at L235 AFTER the If-Modified-Since and If-None-Match
304 return paths, so Go's 304 responses do not include the ETag header.
The Rust code was incorrectly including ETag in both 304 response paths.

* Return 400 on malformed query strings in PostHandler matching Go's ParseForm

Go's r.ParseForm() returns HTTP 400 with "form parse error: ..." when
the query string is malformed. Rust was silently falling back to empty
query params via unwrap_or_default().

* Load EC volume version from .vif matching Go's NewEcVolume

Go sets ev.Version = needle.Version(volumeInfo.Version) from the .vif
file. Rust was always using Version::current() (V3), which would produce
wrong needle actual size calculations for volumes created with V1 or V2.

* Sync .ecx file before close matching Go's EcVolume.Close

Go calls ev.ecxFile.Sync() before closing to ensure in-place deletion
marks are flushed to disk. Without this, deletion marks written via
MarkNeedleDeleted could be lost on crash.

* Validate SuperBlock extra data size matching Go's Bytes() guard

Go checks extraSize > 256*256-2 and calls glog.Fatalf to prevent
corrupt super block headers. Rust was silently truncating via u16 cast,
which would write an incorrect extra_size field.

* Update quinn-proto 0.11.13 -> 0.11.14 to fix GHSA-6xvm-j4wr-6v98

Fixes Dependency Review CI failure: quinn-proto < 0.11.14 is vulnerable
to unauthenticated remote DoS via panic in QUIC transport parameter
parsing.

* Skip TestMultipartUploadUsesFormFieldsForTimestampAndTTL for Go server

Go's r.FormValue() cannot read multipart text fields after
r.MultipartReader() consumes the body, so ts/ttl sent as multipart
form fields only work with the Rust volume server. Skip this test
when VOLUME_SERVER_IMPL != "rust" to fix CI failure.

* Flush .ecx in EC volume sync_to_disk matching Go's Sync()

Go's EcVolume.Sync() flushes both the .ecj journal and the .ecx index
to disk. The Rust version only flushed .ecj, leaving in-place deletion
marks in .ecx unpersisted until close(). This could cause data
inconsistency if the server crashes after marking a needle deleted in
.ecx but before close().

* Remove .vif file in EC volume destroy matching Go's Destroy()

Go's EcVolume.Destroy() removes .ecx, .ecj, and .vif files. The Rust
version only removed .ecx and .ecj, leaving orphaned .vif files on
disk after EC volume destruction (e.g., after TTL expiry).

* Fix is_expired to use <= for SuperBlockSize check matching Go

Go checks contentSize <= SuperBlockSize to detect empty volumes (no
needles). Rust used < which would incorrectly allow a volume with
exactly SuperBlockSize bytes (header only, no data) to proceed to
the TTL expiry check and potentially be marked as expired.

* Fix read_append_at_ns to read timestamps from tombstone entries

Go reads the full needle body for all entries including tombstones
(deleted needles with size=0) to extract the actual AppendAtNs
timestamp. The Rust version returned 0 early for size <= 0 entries,
which would cause the binary search in incremental copy to produce
incorrect results for positions containing deleted needles.

Now uses get_actual_size to compute the on-disk size (which handles
tombstones correctly) and only returns 0 when the actual size is 0.

* Add X-Request-Id response header matching Go's requestIDMiddleware

Go sets both X-Request-Id and x-amz-request-id response headers.
The Rust server only set x-amz-request-id, missing X-Request-Id.

* Add skip_serializing_if for UploadResult name and size fields

Go's UploadResult uses json:"name,omitempty" and json:"size,omitempty",
omitting these fields from JSON when they are zero values (empty
string / 0). The Rust struct always serialized them, producing
"name":"" and "size":0 where Go would omit them.

* Support JSONP/pretty-print for write success responses

Go's writeJsonQuiet checks for callback (JSONP) and pretty query
parameters on all JSON responses including write success. The Rust
write success path used axum::Json directly, bypassing JSONP and
pretty-print support. Now uses json_result_with_query to match Go.

* Include actual limit in file size limit error message

Go returns "file over the limited %d bytes" with the actual limit
value included. Rust returned a generic "file size limit exceeded"
without the limit value, making it harder to debug.

* Extract extension from 2-segment URL paths for image operations

Go's parseURLPath extracts the file extension from all URL formats
including 2-segment paths like /vid,fid.jpg. The Rust version only
handled 3-segment paths (/vid/fid/filename.ext), so extensions in
2-segment paths were lost. This caused image resize/crop operations
requested via query params to be silently skipped for those paths.

* Add size_hint to TrackedBody so throttled downloads get Content-Length

TrackedBody (used for download throttling) did not implement
size_hint(), causing HTTP/1.1 to fall back to chunked transfer
encoding instead of setting Content-Length. Go always sets
Content-Length explicitly for non-range responses.

* Add Last-Modified, pairs, and S3 headers to chunk manifest responses

Go sets Last-Modified, needle pairs, and S3 pass-through headers on
the response writer BEFORE calling tryHandleChunkedFile. Since the
Rust chunk manifest handler created fresh response headers and
returned early, these headers were missing from chunk manifest
responses. Now passes last_modified_str into the chunk manifest
handler and applies pairs and S3 pass-through query params
(response-cache-control, response-content-encoding, etc.) to the
chunk manifest response headers.

* Fix multipart fallback to use first part data when no filename

Go reads the first part's data unconditionally, then looks for a
part with a filename. If none found, Go uses the first part's data
(with empty filename). Rust only captured parts with filenames, so
when no part had a filename it fell back to the raw multipart body
bytes (including boundary delimiters), producing corrupt needle data.

* Set HasName and HasMime flags for empty values matching Go

Go's CreateNeedleFromRequest sets HasName and HasMime flags even when
the filename or MIME type is empty (len < 256 is true for len 0).
Rust skipped empty values, causing the on-disk needle format to
differ: Go-written needles include extra bytes for the empty name/mime
size fields, changing the serialized needle size in the idx entry.
This ensures binary format compatibility between Go and Rust servers.

* Add is_stopping guard to vacuum_volume_commit matching Go

Go's CommitCompactVolume (store_vacuum.go L53-54) checks
s.isStopping before committing compaction to prevent file
swaps during shutdown. The Rust handler was missing this
check, which could allow compaction commits while the
server is stopping.

* Remove disk_type from required status fields since Go omits it

Go's default DiskType is "" (HardDriveType), and protobuf's omitempty
tag causes empty strings to be dropped from JSON output.

* test: honor rust env in dual volume harness

* grpc: notify master after volume lifecycle changes

* http: proxy to replicas before download-limit timeout

* test: pass readMode to rust volume harnesses

* fix store free-location predicate selection

* fix volume copy disk placement and heartbeat notification

* fix chunk manifest delete replication

* fix write replication to survive client disconnects

* fix download limit proxy and wait flow

* fix crop gating for streamed reads

* fix upload limit wait counter behavior

* fix chunk manifest image transforms

* fix has_resize_ops to check width/height > 0 instead of is_some()

Go's shouldResizeImages condition is `width > 0 || height > 0`, so
`?width=0` correctly evaluates to false. Rust was using `is_some()`
which made `?width=0` evaluate to true, unnecessarily disabling
streaming reads for those requests.

* fix Content-MD5 to only compute and return when provided by client

Go only computes the MD5 of uncompressed data when a Content-MD5
header or multipart field is provided. Rust was always computing and
returning it. Also fix the mismatch error message to include size,
matching Go's format.

* fix save_vif to compute ExpireAtSec from TTL

Go's SaveVolumeInfo always computes ExpireAtSec = now + ttlSeconds
when the volume has a TTL. The save_vif path (used by set_read_only
and set_writable) was missing this computation, causing .vif files
to be written without the correct expiration timestamp for TTL volumes.

* fix set_writable to not modify no_write_can_delete

Go's MarkVolumeWritable only sets noWriteOrDelete=false and persists.
Rust was additionally setting no_write_can_delete=has_remote_file,
which could incorrectly change the write mode for remote-file volumes
when the master explicitly asks to make the volume writable.

* fix write_needle_blob_and_index to error on too-small V3 blob

Go returns an error when the needle blob is too small for timestamp
patching. Rust was silently skipping the patch and writing the blob
with a stale/zero timestamp, which could cause data integrity issues
during incremental replication that relies on AppendAtNs ordering.

* fix VolumeEcShardsToVolume to validate dataShards range

Go validates that dataShards is > 0 and <= MaxShardCount before
proceeding with EC-to-volume reconstruction. Without this check,
a zero or excessively large data_shards value could cause confusing
downstream failures.

* fix destroy to use VolumeError::NotEmpty instead of generic Io error

The dedicated NotEmpty variant exists in the enum but was not being
used. This makes error matching consistent with Go's ErrVolumeNotEmpty.

* fix SetState to persist state to disk with rollback on failure

Go's State.Update saves VolumeServerState to a state.pb file after
each SetState call, and rolls back the in-memory state if persistence
fails. Rust was only updating in-memory atomics, so maintenance mode
would be lost on server restart. Now saves protobuf-encoded state.pb
and loads it on startup.

* fix VolumeTierMoveDatToRemote to close local dat backend after upload

Go calls v.LoadRemoteFile() after saving volume info, which closes
the local DataBackend before transitioning to remote storage. Without
this, the volume holds a stale file handle to the deleted local .dat
file, causing reads to fail until server restart.

* fix VolumeTierMoveDatFromRemote to close remote dat backend after download

Go calls v.DataBackend.Close() and sets DataBackend=nil after removing
the remote file reference. Without this, the stale remote backend
state lingers and reads may not discover the newly downloaded local
.dat file until server restart.

* fix redirect to use internal url instead of public_url

Go's proxyReqToTargetServer builds the redirect Location header from
loc.Url (the internal URL), not publicUrl. Using public_url could
cause redirect failures when internal and external URLs differ.

* fix redirect test and add state_file_path to integration test

Update redirect unit test to expect internal url (matching the
previous fix). Add missing state_file_path field to the integration
test VolumeServerState constructor.

* fix FetchAndWriteNeedle to await all writes before checking errors

Go uses a WaitGroup to await all writes (local + replicas) before
checking errors. Rust was short-circuiting on local write failure,
which could leave replica writes in-flight without waiting for
completion.

* fix shutdown to send deregister heartbeat before pre_stop delay

Go's StopHeartbeat() closes stopChan immediately on interrupt, causing
the heartbeat goroutine to send the deregister heartbeat right away,
before the preStopSeconds delay. Rust was only setting is_stopping=true
without waking the heartbeat loop, so the deregister was delayed until
after the pre_stop sleep. Now we call volume_state_notify.notify_one()
to wake the heartbeat immediately.

* fix heartbeat response ordering to check duplicate UUIDs first

Go processes heartbeat responses in this order: DuplicatedUuids first,
then volume options (prealloc/size limit), then leader redirect. Rust
was applying volume options before checking for duplicate UUIDs, which
meant volume option changes would take effect even when the response
contained a duplicate UUID error that should cause an immediate return.

* the test thread was blocked

* fix(deps): update aws-lc-sys 0.38.0 → 0.39.0 to resolve security advisories

Bumps aws-lc-rs 1.16.1 → 1.16.2, pulling in aws-lc-sys 0.39.0 which
fixes GHSA-394x-vwmw-crm3 (X.509 Name Constraints wildcard/unicode
bypass) and GHSA-9f94-5g5w-gf6r (CRL Distribution Point scope check
logic error).

* fix: match Go Content-MD5 mismatch error message format

Go uses "Content-MD5 did not match md5 of file data expected [X]
received [Y] size Z" while Rust had a shorter format. Match the
exact Go error string so clients see identical messages.

* fix: match Go Bearer token length check (> 7, not >= 7)

Go requires len(bearer) > 7 ensuring at least one char after
"Bearer ". Rust used >= 7 which would accept an empty token.

* fix(deps): drop legacy rustls 0.21 to resolve rustls-webpki GHSA-pwjx-qhcg-rvj4

aws-sdk-s3's default "rustls" feature enables tls-rustls in
aws-smithy-runtime, which pulls in legacy-rustls-ring (rustls 0.21
→ rustls-webpki 0.101.7, moderate CRL advisory). Replace with
explicit default-https-client which uses only rustls 0.23 /
rustls-webpki 0.103.9.

* fix: use uploaded filename for auto-compression extension detection

Go extracts the file extension from pu.FileName (the uploaded
filename) for auto-compression decisions. Rust was using the URL
path, which typically has no extension for SeaweedFS file IDs.

* fix: add CRC legacy Value() backward-compat check on needle read

Go double-checks CRC: n.Checksum != crc && uint32(n.Checksum) !=
crc.Value(). The Value() path is a deprecated transform for compat
with seaweed versions prior to commit 056c480eb. Rust had the
legacy_value() method but wasn't using it in validation.

* fix: remove /stats/* endpoints to match Go (commented out since L130)

Go's volume_server.go has the /stats/counter, /stats/memory, and
/stats/disk endpoints commented out (lines 130-134). Remove them
from the Rust router along with the now-unused whitelist_guard
middleware.

* fix: filter application/octet-stream MIME for chunk manifests

Go's tryHandleChunkedFile (L334) filters out application/octet-stream
from chunk manifest MIME types, falling back to extension-based
detection. Rust was returning the stored MIME as-is for manifests.

* fix: VolumeMarkWritable returns error before notifying master

Go returns early at L200 if MarkVolumeWritable fails, before
reaching the master notification at L206. Rust was notifying master
even on failure, creating inconsistent state where master thinks
the volume is writable but local marking failed.

* fix: check volume existence before maintenance in MarkReadonly/Writable

Go's VolumeMarkReadonly (L239-241) and VolumeMarkWritable (L253-255)
look up the volume first, then call makeVolumeReadonly/Writable which
checks maintenance. Rust was checking maintenance first, returning
"maintenance mode" instead of "not found" for missing volumes.

* feat: implement ScrubVolume mark_broken_volumes_readonly (PR #8360)

Add the mark_broken_volumes_readonly flag from PR #8360:
- Sync proto field (tag 3) to local volume_server.proto
- After scrubbing, if flag is set, call makeVolumeReadonly on each
  broken volume (notify master, mark local readonly, notify again)
- Collect errors via joined error semantics matching Go's errors.Join
- Factor out make_volume_readonly helper reused by both
  VolumeMarkReadonly and ScrubVolume

Also refactors VolumeMarkReadonly to use the shared helper.

* fix(deps): update rustls-webpki 0.103.9 → 0.103.10 (GHSA-pwjx-qhcg-rvj4)

CRL Distribution Point matching logic fix for moderate severity
advisory about CRLs not considered authoritative.

* test: update integration tests for removed /stats/* endpoints

Replace tests that expected /stats/* routes to return 200/401 with
tests confirming they now fall through to the store handler (400),
matching Go's commented-out stats endpoints.

* docs: fix misleading comment about default offset feature

The comment said "4-byte offsets unless explicitly built with 5-byte
support" but the default feature enables 5bytes. This is intentional
for production parity with Go -tags 5BytesOffset builds. Fix the
comment to match reality.
2026-03-26 17:24:35 -07:00
Lisandro PinandGitHub e5cf2d2a19 Give the ScrubVolume() RPC an option to flag found broken volumes as read-only. (#8360)
* Give the `ScrubVolume()` RPC an option to flag found broken volumes as read-only.

Also exposes this option in the shell `volume.scrub` command.

* Remove redundant test in `TestVolumeMarkReadonlyWritableErrorPaths`.

417051bb slightly rearranges the logic for `VolumeMarkReadonly()` and `VolumeMarkWritable()`,
so calling them for invalid volume IDs will actually yield that error, instead of checking
maintnenance mode first.
2026-03-26 10:20:57 -07:00
Chris LuandGitHub 94bfa2b340 mount: stream all filer mutations over single ordered gRPC stream (#8770)
* filer: add StreamMutateEntry bidi streaming RPC

Add a bidirectional streaming RPC that carries all filer mutation
types (create, update, delete, rename) over a single ordered stream.
This eliminates per-request connection overhead for pipelined
operations and guarantees mutation ordering within a stream.

The server handler delegates each request to the existing unary
handlers (CreateEntry, UpdateEntry, DeleteEntry) and uses a proxy
stream adapter for rename operations to reuse StreamRenameEntry logic.

The is_last field signals completion for multi-response operations
(rename sends multiple events per request; create/update/delete
always send exactly one response with is_last=true).

* mount: add streaming mutation multiplexer (streamMutateMux)

Implement a client-side multiplexer that routes all filer mutation RPCs
(create, update, delete, rename) over a single bidirectional gRPC
stream. Multiple goroutines submit requests through a send channel;
a dedicated sendLoop serializes them on the stream; a recvLoop
dispatches responses to waiting callers via per-request channels.

Key features:
- Lazy stream opening on first use
- Automatic reconnection on stream failure
- Permanent fallback to unary RPCs if filer returns Unimplemented
- Monotonic request_id for response correlation
- Multi-response support for rename operations (is_last signaling)

The mux is initialized on WFS and closed during unmount cleanup.
No call sites use it yet — wiring comes in subsequent commits.

* mount: route CreateEntry and UpdateEntry through streaming mux

Wire all CreateEntry call sites to use wfs.streamCreateEntry() which
routes through the StreamMutateEntry stream when available, falling
back to unary RPCs otherwise. Also wire Link's UpdateEntry calls
through wfs.streamUpdateEntry().

Updated call sites:
- flushMetadataToFiler (file flush after write)
- Mkdir (directory creation)
- Symlink (symbolic link creation)
- createRegularFile non-deferred path (Mknod)
- flushFileMetadata (periodic metadata flush)
- Link (hard link: update source + create link + rollback)

* mount: route UpdateEntry and DeleteEntry through streaming mux

Wire remaining mutation call sites through the streaming mux:

- saveEntry (Setattr/chmod/chown/utimes) → streamUpdateEntry
- Unlink → streamDeleteEntry (replaces RemoveWithResponse)
- Rmdir → streamDeleteEntry (replaces RemoveWithResponse)

All filer mutations except Rename now go through StreamMutateEntry
when the filer supports it, with automatic unary RPC fallback.

* mount: route Rename through streaming mux

Wire Rename to use streamMutate.Rename() when available, with
fallback to the existing StreamRenameEntry unary stream.

The streaming mux sends rename as a StreamRenameEntryRequest oneof
variant. The server processes it through the existing rename logic
and sends multiple StreamRenameEntryResponse events (one per moved
entry), with is_last=true on the final response.

All filer mutations now go through a single ordered stream.

* mount: fix stream mux connection ownership

WithGrpcClient(streamingMode=true) closes the gRPC connection when
the callback returns, destroying the stream. Own the connection
directly via pb.GrpcDial so it stays alive for the stream's lifetime.
Close it explicitly in recvLoop on stream failure and in Close on
shutdown.

* mount: fix rename failure for deferred-create files

Three fixes for rename operations over the streaming mux:

1. lookupEntry: fall back to local metadata store when filer returns
   "not found" for entries in uncached directories. Files created with
   deferFilerCreate=true exist only in the local leveldb store until
   flushed; lookupEntry skipped the local store when the parent
   directory had never been readdir'd, causing rename to fail with
   ENOENT.

2. Rename: wait for pending async flushes and force synchronous flush
   of dirty metadata before sending rename to the filer. Covers the
   writebackCache case where close() defers the flush to a background
   worker that may not complete before rename fires.

3. StreamMutateEntry: propagate rename errors from server to client.
   Add error/errno fields to StreamMutateEntryResponse so the mount
   can map filer errors to correct FUSE status codes instead of
   silently returning OK. Also fix the existing Rename error handler
   which could return fuse.OK on unrecognized errors.

* mount: fix streaming mux error handling, sendLoop lifecycle, and fallback

Address PR review comments:

1. Server: populate top-level Error/Errno on StreamMutateEntryResponse for
   create/update/delete errors, not just rename. Previously update errors
   were silently dropped and create/delete errors were only in nested
   response fields that the client didn't check.

2. Client: check nested error fields in CreateEntry (ErrorCode, Error)
   and DeleteEntry (Error) responses, matching CreateEntryWithResponse
   behavior.

3. Fix sendLoop lifecycle: give each stream generation a stopSend channel.
   recvLoop closes it on error to stop the paired sendLoop. Previously a
   reconnect left the old sendLoop draining sendCh, breaking ordering.

4. Transparent fallback: stream helpers and doRename fall back to unary
   RPCs on transport errors (ErrStreamTransport), including the first
   Unimplemented from ensureStream. Previously the first call failed
   instead of degrading.

5. Filer rotation in openStream: try all filer addresses on dial failure,
   matching WithFilerClient behavior. Stop early on Unimplemented.

6. Pass metadata-bearing context to StreamMutateEntry RPC call so
   sw-client-id header is actually sent.

7. Gate lookupEntry local-cache fallback on open dirty handle or pending
   async flush to avoid resurrecting deleted/renamed entries.

8. Remove dead code in flushFileMetadata (err=nil followed by if err!=nil).

9. Use string matching for rename error-to-errno mapping in the mount to
   stay portable across Linux/macOS (numeric errno values differ).

* mount: make failAllPending idempotent with delete-before-close

Change failAllPending to collect pending entries into a local slice
(deleting from the sync.Map first) before closing channels. This
prevents double-close panics if called concurrently. Also remove the
unused err parameter.

* mount: add stream generation tracking and teardownStream

Introduce a generation counter on streamMutateMux that increments each
time a new stream is created. Requests carry the generation they were
enqueued for so sendLoop can reject stale requests after reconnect.

Add teardownStream(gen) which is idempotent (only acts when gen matches
current generation and stream is non-nil). Both sendLoop and recvLoop
call it on error, replacing the inline cleanup in recvLoop. sendLoop now
actively triggers teardown on send errors instead of silently exiting.

ensureStream waits for the prior generation's recvDone before creating a
new stream, ensuring all old pending waiters are failed before reconnect.
recvLoop now takes the stream, generation, and recvDone channel as
parameters to avoid accessing shared fields without the lock.

* mount: harden Close to prevent races with teardownStream

Nil out stream, cancel, and grpcConn under the lock so that any
concurrent teardownStream call from recvLoop/sendLoop becomes a no-op.
Call failAllPending before closing sendCh to unblock waiters promptly.
Guard recvDone with a nil check for the case where Close is called
before any stream was ever opened.

* mount: make errCh receive ctx-aware in doUnary and Rename

Replace the blocking <-sendReq.errCh with a select that also observes
ctx.Done(). If sendLoop exits via stopSend without consuming a buffered
request, the caller now returns ctx.Err() instead of blocking forever.
The buffered errCh (capacity 1) ensures late acknowledgements from
sendLoop don't block the sender.

* mount: fix sendLoop/Close race and recvLoop/teardown pending channel race

Three related fixes:

1. Stop closing sendCh in Close(). Closing the shared producer channel
   races with callers who passed ensureStream() but haven't sent yet,
   causing send-on-closed-channel panics. sendCh is now left open;
   ensureStream checks m.closed to reject new callers.

2. Drain buffered sendCh items on shutdown. sendLoop defers drainSendCh()
   on exit so buffered requests get an ErrStreamTransport on their errCh
   instead of blocking forever. Close() drains again for any stragglers
   enqueued between sendLoop's drain and the final shutdown.

3. Move failAllPending from teardownStream into recvLoop's defer.
   teardownStream (called from sendLoop on send error) was closing
   pending response channels while recvLoop could be between
   pending.Load and the channel send — a send-on-closed-channel panic.
   recvLoop is now the sole closer of pending channels, eliminating
   the race. Close() waits on recvDone (with cancel() to guarantee
   Recv unblocks) so pending cleanup always completes.

* filer/mount: add debug logging for hardlink lifecycle

Add V(0) logging at every point where a HardLinkId is created, stored,
read, or deleted to trace orphaned hardlink references. Logging covers:

- gRPC server: CreateEntry/UpdateEntry when request carries HardLinkId
- FilerStoreWrapper: InsertEntry/UpdateEntry when entry has HardLinkId
- handleUpdateToHardLinks: entry path, HardLinkId, counter, chunk count
- setHardLink: KvPut with blob size
- maybeReadHardLink: V(1) on read attempt and successful decode
- DeleteHardLink: counter decrement/deletion events
- Mount Link(): when NewHardLinkId is generated and link is created

This helps diagnose how a git pack .rev file ended up with a
HardLinkId during a clone (no hard links should be involved).

* test: add git clone/pull integration test for FUSE mount

Shell script that exercises git operations on a SeaweedFS mount:
1. Creates a bare repo on the mount
2. Clones locally, makes 3 commits, pushes to mount
3. Clones from mount bare repo into an on-mount working dir
4. Verifies clone integrity (files, content, commit hashes)
5. Pushes 2 more commits with renames and deletes
6. Checks out an older revision on the mount clone
7. Returns to branch and pulls with real changes
8. Verifies file content, renames, deletes after pull
9. Checks git log integrity and clean status

27 assertions covering file existence, content, commit hashes,
file counts, renames, deletes, and git status. Run against any
existing mount: bash test-git-on-mount.sh /path/to/mount

* test: add git clone/pull FUSE integration test to CI suite

Add TestGitOperations to the existing fuse_integration test framework.
The test exercises git's full file operation surface on the mount:

  1. Creates a bare repo on the mount (acts as remote)
  2. Clones locally, makes 3 commits (files, bulk data, renames), pushes
  3. Clones from mount bare repo into an on-mount working dir
  4. Verifies clone integrity (content, commit hash, file count)
  5. Pushes 2 more commits with new files, renames, and deletes
  6. Checks out an older revision on the mount clone
  7. Returns to branch and pulls with real fast-forward changes
  8. Verifies post-pull state: content, renames, deletes, file counts
  9. Checks git log integrity (5 commits) and clean status

Runs automatically in the existing fuse-integration.yml CI workflow.

* mount: fix permission check with uid/gid mapping

The permission checks in createRegularFile() and Access() compared
the caller's local uid/gid against the entry's filer-side uid/gid
without applying the uid/gid mapper. With -map.uid 501:0, a directory
created as uid 0 on the filer would not match the local caller uid
501, causing hasAccess() to fall through to "other" permission bits
and reject write access (0755 → other has r-x, no w).

Fix: map entry uid/gid from filer-space to local-space before the
hasAccess() call so both sides are in the same namespace.

This fixes rsync -a failing with "Permission denied" on mkstempat
when using uid/gid mapping.

* mount: fix Mkdir/Symlink returning filer-side uid/gid to kernel

Mkdir and Symlink used `defer wfs.mapPbIdFromFilerToLocal(entry)` to
restore local uid/gid, but `outputPbEntry` writes the kernel response
before the function returns — so the kernel received filer-side
uid/gid (e.g., 0:0). macFUSE then caches these and rejects subsequent
child operations (mkdir, create) because the caller uid (501) doesn't
match the directory owner (0), and "other" bits (0755 → r-x) lack
write permission.

Fix: replace the defer with an explicit call to mapPbIdFromFilerToLocal
before outputPbEntry, so the kernel gets local uid/gid.

Also add nil guards for UidGidMapper in Access and createRegularFile
to prevent panics in tests that don't configure a mapper.

This fixes rsync -a "Permission denied" on mkpathat for nested
directories when using uid/gid mapping.

* mount: fix Link outputting filer-side uid/gid to kernel, add nil guards

Link had the same defer-before-outputPbEntry bug as Mkdir and Symlink:
the kernel received filer-side uid/gid because the defer hadn't run
yet when outputPbEntry wrote the response.

Also add nil guards for UidGidMapper in Access and createRegularFile
so tests without a mapper don't panic.

Audit of all outputPbEntry/outputFilerEntry call sites:
- Mkdir: fixed in prior commit (explicit map before output)
- Symlink: fixed in prior commit (explicit map before output)
- Link: fixed here (explicit map before output)
- Create (existing file): entry from maybeLoadEntry (already mapped)
- Create (deferred): entry has local uid/gid (never mapped to filer)
- Create (non-deferred): createRegularFile defer runs before return
- Mknod: createRegularFile defer runs before return
- Lookup: entry from lookupEntry (already mapped)
- GetAttr: entry from maybeReadEntry/maybeLoadEntry (already mapped)
- readdir: entry from cache (mapIdFromFilerToLocal) or filer (mapped)
- saveEntry: no kernel output
- flushMetadataToFiler: no kernel output
- flushFileMetadata: no kernel output

* test: fix git test for same-filesystem FUSE clone

When both the bare repo and working clone live on the same FUSE mount,
git's local transport uses hardlinks and cross-repo stat calls that
fail on FUSE. Fix:

- Use --no-local on clone to disable local transport optimizations
- Use reset --hard instead of checkout to stay on branch
- Use fetch + reset --hard origin/<branch> instead of git pull to
  avoid local transport stat failures during fetch

* adjust logging

* test: use plain git clone/pull to exercise real FUSE behavior

Remove --no-local and fetch+reset workarounds. The test should use
the same git commands users run (clone, reset --hard, pull) so it
reveals real FUSE issues rather than hiding them.

* test: enable V(1) logging for filer/mount and collect logs on failure

- Run filer and mount with -v=1 so hardlink lifecycle logs (V(0):
  create/delete/insert, V(1): read attempts) are captured
- On test failure, automatically dump last 16KB of all process logs
  (master, volume, filer, mount) to test output
- Copy process logs to /tmp/seaweedfs-fuse-logs/ for CI artifact upload
- Update CI workflow to upload SeaweedFS process logs alongside test output

* mount: clone entry for filer flush to prevent uid/gid race

flushMetadataToFiler and flushFileMetadata used entry.GetEntry() which
returns the file handle's live proto entry pointer, then mutated it
in-place via mapPbIdFromLocalToFiler. During the gRPC call window, a
concurrent Lookup (which takes entryLock.RLock but NOT fhLockTable)
could observe filer-side uid/gid (e.g., 0:0) on the file handle entry
and return it to the kernel. The kernel caches these attributes, so
subsequent opens by the local user (uid 501) fail with EACCES.

Fix: proto.Clone the entry before mapping uid/gid for the filer request.
The file handle's live entry is never mutated, so concurrent Lookup
always sees local uid/gid.

This fixes the intermittent "Permission denied" on .git/FETCH_HEAD
after the first git pull on a mount with uid/gid mapping.

* mount: add debug logging for stale lock file investigation

Add V(0) logging to trace the HEAD.lock recreation issue:
- Create: log when O_EXCL fails (file already exists) with uid/gid/mode
- completeAsyncFlush: log resolved path, saved path, dirtyMetadata,
  isDeleted at entry to trace whether async flush fires after rename
- flushMetadataToFiler: log the dir/name/fullpath being flushed

This will show whether the async flush is recreating the lock file
after git renames HEAD.lock → HEAD.

* mount: prevent async flush from recreating renamed .lock files

When git renames HEAD.lock → HEAD, the async flush from the prior
close() can run AFTER the rename and re-insert HEAD.lock into the
meta cache via its CreateEntryRequest response event. The next git
pull then sees HEAD.lock and fails with "File exists".

Fix: add isRenamed flag on FileHandle, set by Rename before waiting
for the pending async flush. The async flush checks this flag and
skips the metadata flush for renamed files (same pattern as isDeleted
for unlinked files). The data pages still flush normally.

The Rename handler flushes deferred metadata synchronously (Case 1)
before setting isRenamed, ensuring the entry exists on the filer for
the rename to proceed. For already-released handles (Case 2), the
entry was created by a prior flush.

* mount: also mark renamed inodes via entry.Attributes.Inode fallback

When GetInode fails (Forget already removed the inode mapping), the
Rename handler couldn't find the pending async flush to set isRenamed.
The async flush then recreated the .lock file on the filer.

Fix: fall back to oldEntry.Attributes.Inode to find the pending async
flush when the inode-to-path mapping is gone. Also extract
MarkInodeRenamed into a method on FileHandleToInode for clarity.

* mount: skip async metadata flush when saved path no longer maps to inode

The isRenamed flag approach failed for refs/remotes/origin/HEAD.lock
because neither GetInode nor oldEntry.Attributes.Inode could find the
inode (Forget already evicted the mapping, and the entry's stored
inode was 0).

Add a direct check in completeAsyncFlush: before flushing metadata,
verify that the saved path still maps to this inode in the inode-to-path
table. If the path was renamed or removed (inode mismatch or not found),
skip the metadata flush to avoid recreating a stale entry.

This catches all rename cases regardless of whether the Rename handler
could set the isRenamed flag.

* mount: wait for pending async flush in Unlink before filer delete

Unlink was deleting the filer entry first, then marking the draining
async-flush handle as deleted. The async flush worker could race between
these two operations and recreate the just-unlinked entry on the filer.
This caused git's .lock files (e.g. refs/remotes/origin/HEAD.lock) to
persist after git pull, breaking subsequent git operations.

Move the isDeleted marking and add waitForPendingAsyncFlush() before
the filer delete so any in-flight flush completes first. Even if the
worker raced past the isDeleted check, the wait ensures it finishes
before the filer delete cleans up any recreated entry.

* mount: reduce async flush and metadata flush log verbosity

Raise completeAsyncFlush entry log, saved-path-mismatch skip log, and
flushMetadataToFiler entry log from V(0) to V(3)/V(4). These fire for
every file close with writebackCache and are too noisy for normal use.

* filer: reduce hardlink debug log verbosity from V(0) to V(4)

HardLinkId logs in filerstore_wrapper, filerstore_hardlink, and
filer_grpc_server fire on every hardlinked file operation (git pack
files use hardlinks extensively) and produce excessive noise.

* mount/filer: reduce noisy V(0) logs for link, rmdir, and empty folder check

- weedfs_link.go: hardlink creation logs V(0) → V(4)
- weedfs_dir_mkrm.go: non-empty folder rmdir error V(0) → V(1)
- empty_folder_cleaner.go: "not empty" check log V(0) → V(4)

* filer: handle missing hardlink KV as expected, not error

A "kv: not found" on hardlink read is normal when the link blob was
already cleaned up but a stale entry still references it. Log at V(1)
for not-found; keep Error level for actual KV failures.

* test: add waitForDir before git pull in FUSE git operations test

After git reset --hard, the FUSE mount's metadata cache may need a
moment to settle on slow CI. The git pull subprocess (unpack-objects)
could fail to stat the working directory. Poll for up to 5s.

* Update git_operations_test.go

* wait

* test: simplify FUSE test framework to use weed mini

Replace the 4-process setup (master + volume + filer + mount) with
2 processes: "weed mini" (all-in-one) + "weed mount". This simplifies
startup, reduces port allocation, and is faster on CI.

* test: fix mini flag -admin → -admin.ui
2026-03-25 20:06:34 -07:00
Chris LuandGitHub 0b3867dca3 filer: add structured error codes to CreateEntryResponse (#8767)
* filer: add FilerError enum and error_code field to CreateEntryResponse

Add a machine-readable error code alongside the existing string error
field. This follows the precedent set by PublishMessageResponse in the
MQ broker proto. The string field is kept for human readability and
backward compatibility.

Defined codes: OK, ENTRY_NAME_TOO_LONG, PARENT_IS_FILE,
EXISTING_IS_DIRECTORY, EXISTING_IS_FILE, ENTRY_ALREADY_EXISTS.

* filer: add sentinel errors and error code mapping in filer_pb

Define sentinel errors (ErrEntryNameTooLong, ErrParentIsFile, etc.) in
the filer_pb package so both the filer and consumers can reference them
without circular imports.

Add FilerErrorToSentinel() to map proto error codes to sentinels, and
update CreateEntryWithResponse() to check error_code first, falling back
to the string-based path for backward compatibility with old servers.

* filer: return wrapped sentinel errors and set proto error codes

Replace fmt.Errorf string errors in filer.CreateEntry, UpdateEntry, and
ensureParentDirectoryEntry with wrapped filer_pb sentinel errors (using
%w). This preserves errors.Is() traversal on the server side.

In the gRPC CreateEntry handler, map sentinel errors to the
corresponding FilerError proto codes using errors.Is(), setting both
resp.Error (string, for backward compat) and resp.ErrorCode (enum).

* S3: use errors.Is() with filer sentinels instead of string matching

Replace fragile string-based error matching in filerErrorToS3Error and
other S3 API consumers with errors.Is() checks against filer_pb sentinel
errors. This works because the updated CreateEntryWithResponse helper
reconstructs sentinel errors from the proto FilerError code.

Update iceberg stage_create and metadata_files to check resp.ErrorCode
instead of parsing resp.Error strings. Update SSE-S3 to use errors.Is()
for the already-exists check.

String matching is retained only for non-filer errors (gRPC transport
errors, checksum validation) that don't go through CreateEntryResponse.

* filer: remove backward-compat string fallbacks for error codes

Clients and servers are always deployed together, so there is no need
for backward-compatibility fallback paths that parse resp.Error strings
when resp.ErrorCode is unset. Simplify all consumers to rely solely on
the structured error code.

* iceberg: ensure unknown non-OK error codes are not silently ignored

When FilerErrorToSentinel returns nil for an unrecognized error code,
return an error including the code and message rather than falling
through to return nil.

* filer: fix redundant error message and restore error wrapping in helper

Use request path instead of resp.Error in the sentinel error format
string to avoid duplicating the sentinel message (e.g. "entry already
exists: entry already exists"). Restore %w wrapping with errors.New()
in the fallback paths so callers can use errors.Is()/errors.As().

* filer: promote file to directory on path conflict instead of erroring

S3 allows both "foo/bar" (object) and "foo/bar/xyzzy" (another object)
to coexist because S3 has a flat key space. When ensureParentDirectoryEntry
finds a parent path that is a file instead of a directory, promote it to
a directory by setting ModeDir while preserving the original content and
chunks. Use Store.UpdateEntry directly to bypass the Filer.UpdateEntry
type-change guard.

This fixes the S3 compatibility test failures where creating overlapping
keys (e.g. "foo/bar" then "foo/bar/xyzzy") returned ExistingObjectIsFile.
2026-03-24 17:08:22 -07:00
Chris LuandGitHub 81369b8a83 improve: large file sync throughput for remote.cache and filer.sync (#8676)
* improve large file sync throughput for remote.cache and filer.sync

Three main throughput improvements:

1. Adaptive chunk sizing for remote.cache: targets ~32 chunks per file
   instead of always starting at 5MB. A 500MB file now uses ~16MB chunks
   (32 chunks) instead of 5MB chunks (100 chunks), reducing per-chunk
   overhead (volume assign, gRPC call, needle write) by 3x.

2. Configurable concurrency at every layer:
   - remote.cache chunk concurrency: -chunkConcurrency flag (default 8)
   - remote.cache S3 download concurrency: -downloadConcurrency flag
     (default raised from 1 to 5 per chunk)
   - filer.sync chunk concurrency: -chunkConcurrency flag (default 32)

3. S3 multipart download concurrency raised from 1 to 5: the S3 manager
   downloader was using Concurrency=1, serializing all part downloads
   within each chunk. This alone can 5x per-chunk download speed.

The concurrency values flow through the gRPC request chain:
  shell command → CacheRemoteObjectToLocalClusterRequest →
  FetchAndWriteNeedleRequest → S3 downloader

Zero values in the request mean "use server defaults", maintaining
full backward compatibility with existing callers.

Ref #8481

* fix: use full maxMB for chunk size cap and remove loop guard

Address review feedback:
- Use full maxMB instead of maxMB/2 for maxChunkSize to avoid
  unnecessarily limiting chunk size for very large files.
- Remove chunkSize < maxChunkSize guard from the safety loop so it
  can always grow past maxChunkSize when needed to stay under 1000
  chunks (e.g., extremely large files with small maxMB).

* address review feedback: help text, validation, naming, docs

- Fix help text for -chunkConcurrency and -downloadConcurrency flags
  to say "0 = server default" instead of advertising specific numeric
  defaults that could drift from the server implementation.
- Validate chunkConcurrency and downloadConcurrency are within int32
  range before narrowing, returning a user-facing error if out of range.
- Rename ReadRemoteErr to readRemoteErr to follow Go naming conventions.
- Add doc comment to SetChunkConcurrency noting it must be called
  during initialization before replication goroutines start.
- Replace doubling loop in chunk size safety check with direct
  ceil(remoteSize/1000) computation to guarantee the 1000-chunk cap.

* address Copilot review: clamp concurrency, fix chunk count, clarify proto docs

- Use ceiling division for chunk count check to avoid overcounting
  when file size is an exact multiple of chunk size.
- Clamp chunkConcurrency (max 1024) and downloadConcurrency (max 1024
  at filer, max 64 at volume server) to prevent excessive goroutines.
- Always use ReadFileWithConcurrency when the client supports it,
  falling back to the implementation's default when value is 0.
- Clarify proto comments that download_concurrency only applies when
  the remote storage client supports it (currently S3).
- Include specific server defaults in help text (e.g., "0 = server
  default 8") so users see the actual values in -h output.

* fix data race on executionErr and use %w for error wrapping

- Protect concurrent writes to executionErr in remote.cache worker
  goroutines with a sync.Mutex to eliminate the data race.
- Use %w instead of %v in volume_grpc_remote.go error formatting
  to preserve the error chain for errors.Is/errors.As callers.
2026-03-17 16:49:56 -07:00
Chris LuandGitHub acea36a181 filer: add conditional update preconditions (#8647)
* filer: add conditional update preconditions

* iceberg: tighten metadata CAS preconditions
2026-03-16 12:33:32 -07:00
Chris LuandGitHub a838661b83 feat(plugin): EC shard balance handler for plugin worker (#8629)
* feat(ec_balance): add TaskTypeECBalance constant and protobuf definitions

Add the ec_balance task type constant to both topology and worker type
systems. Define EcBalanceTaskParams, EcShardMoveSpec, and
EcBalanceTaskConfig protobuf messages for EC shard balance operations.

* feat(ec_balance): add configuration for EC shard balance task

Config includes imbalance threshold, min server count, collection
filter, disk type, and preferred tags for tag-aware placement.

* feat(ec_balance): add multi-phase EC shard balance detection algorithm

Implements four detection phases adapted from the ec.balance shell
command:
1. Duplicate shard detection and removal proposals
2. Cross-rack shard distribution balancing
3. Within-rack node-level shard balancing
4. Global shard count equalization across nodes

Detection is side-effect-free: it builds an EC topology view from
ActiveTopology and generates move proposals without executing them.

* feat(ec_balance): add EC shard move task execution

Implements the shard move sequence using the same VolumeEcShardsCopy,
VolumeEcShardsMount, VolumeEcShardsUnmount, and VolumeEcShardsDelete
RPCs as the shell ec.balance command. Supports both regular shard
moves and dedup-phase deletions (unmount+delete without copy).

* feat(ec_balance): add task registration and scheduling

Register EC balance task definition with auto-config update support.
Scheduling respects max concurrent limits and worker capabilities.

* feat(ec_balance): add plugin handler for EC shard balance

Implements the full plugin handler with detection, execution, admin
and worker config forms, proposal building, and decision trace
reporting. Supports collection/DC/disk type filtering, preferred tag
placement, and configurable detection intervals. Auto-registered via
init() with the handler registry.

* test(ec_balance): add tests for detection algorithm and plugin handler

Detection tests cover: duplicate shard detection, cross-rack imbalance,
within-rack imbalance, global rebalancing, topology building, collection
filtering, and edge cases. Handler tests cover: config derivation with
clamping, proposal building, protobuf encode/decode round-trip, fallback
parameter decoding, capability, and config policy round-trip.

* fix(ec_balance): address PR review feedback and fix CI test failure

- Update TestWorkerDefaultJobTypes to expect 6 handlers (was 5)
- Extract threshold constants (ecBalanceMinImbalanceThreshold, etc.)
  to eliminate magic numbers in Descriptor and config derivation
- Remove duplicate ShardIdsToUint32 helper (use erasure_coding package)
- Add bounds checks for int64→int/uint32 conversions to fix CodeQL
  integer conversion warnings

* fix(ec_balance): address code review findings

storage_impact.go:
- Add TaskTypeECBalance case returning shard-level reservation
  (ShardSlots: -1/+1) instead of falling through to default which
  incorrectly reserves a full volume slot on target.

detection.go:
- Use dc:rack composite key to avoid cross-DC rack name collisions.
  Only create rack entries after confirming node has matching disks.
- Add exceedsImbalanceThreshold check to cross-rack, within-rack,
  and global phases so trivial skews below the configured threshold
  are ignored. Dedup phase always runs since duplicates are errors.
- Reserve destination capacity after each planned move (decrement
  destNode.freeSlots, update rackShardCount/nodeShardCount) to
  prevent overbooking the same destination.
- Skip nodes with freeSlots <= 0 when selecting minNode in global
  balance to avoid proposing moves to full nodes.
- Include loop index and source/target node IDs in TaskID to
  guarantee uniqueness across moves with the same volumeID/shardID.

ec_balance_handler.go:
- Fail fast with error when shard_id is absent in fallback parameter
  decoding instead of silently defaulting to shard 0.

ec_balance_task.go:
- Delegate GetProgress() to BaseTask.GetProgress() so progress
  updates from ReportProgressWithStage are visible to callers.
- Add fail-fast guard rejecting multiple sources/targets until
  batch execution is implemented.

Findings verified but not changed (matches existing codebase pattern
in vacuum/balance/erasure_coding handlers):
- register.go globalTaskDef.Config race: same unsynchronized pattern
  in all 4 task packages.
- CreateTask using generated ID: same fmt.Sprintf pattern in all 4
  task packages.

* fix(ec_balance): harden parameter decoding, progress tracking, and validation

ec_balance_handler.go (decodeECBalanceTaskParams):
- Validate execution-critical fields (Sources[0].Node, ShardIds,
  Targets[0].Node, ShardIds) after protobuf deserialization.
- Require source_disk_id and target_disk_id in legacy fallback path
  so Targets[0].DiskId is populated for VolumeEcShardsCopyRequest.
- All error messages reference decodeECBalanceTaskParams and the
  specific missing field (TaskParams, shard_id, Targets[0].DiskId,
  EcBalanceTaskParams) for debuggability.

ec_balance_task.go:
- Track progress in ECBalanceTask.progress field, updated via
  reportProgress() helper called before ReportProgressWithStage(),
  so GetProgress() returns real stage progress instead of stale 0.
- Validate: require exactly 1 source and 1 target (mirrors Execute
  guard), require ShardIds on both, with error messages referencing
  ECBalanceTask.Validate and the specific field.

* fix(ec_balance): fix dedup execution path, stale topology, collection filter, timeout, and dedupeKey

detection.go:
- Dedup moves now set target=source so isDedupPhase() triggers the
  unmount+delete-only execution path instead of attempting a copy.
- Apply moves to in-memory topology between phases via
  applyMovesToTopology() so subsequent phases see updated shard
  placement and don't conflict with already-planned moves.
- detectGlobalImbalance now accepts allowedVids and filters both
  shard counting and shard selection to respect CollectionFilter.

ec_balance_task.go:
- Apply EcBalanceTaskParams.TimeoutSeconds to the context via
  context.WithTimeout so all RPC operations respect the configured
  timeout instead of hanging indefinitely.

ec_balance_handler.go:
- Include source node ID in dedupeKey so dedup deletions from
  different source nodes for the same shard aren't collapsed.
- Clamp minServerCountRaw and minIntervalRaw lower bounds on int64
  before narrowing to int, preventing undefined overflow on 32-bit.

* fix(ec_balance): log warning before cancelling on progress send failure

Log the error, job ID, job type, progress percentage, and stage
before calling execCancel() in the progress callback so failed
progress sends are diagnosable instead of silently cancelling.
2026-03-14 21:34:53 -07:00
Chris LuandGitHub baae672b6f feat: auto-disable master vacuum when plugin worker is active (#8624)
* feat: auto-disable master vacuum when plugin vacuum worker is active

When a vacuum-capable plugin worker connects to the admin server, the
admin server calls DisableVacuum on the master to prevent the automatic
scheduled vacuum from conflicting with the plugin worker's vacuum. When
the worker disconnects, EnableVacuum is called to restore the default
behavior. A safety net in the topology refresh loop re-enables vacuum
if the admin server disconnects without cleanup.

* rename isAdminServerConnected to isAdminServerConnectedFunc

* add 5s timeout to DisableVacuum/EnableVacuum gRPC calls

Prevents the monitor goroutine from blocking indefinitely if the
master is unresponsive.

* track plugin ownership of vacuum disable to avoid overriding operator

- Add vacuumDisabledByPlugin flag to Topology, set when DisableVacuum
  is called while admin server is connected (i.e., by plugin monitor)
- Safety net only re-enables vacuum when it was disabled by plugin,
  not when an operator intentionally disabled it via shell command
- EnableVacuum clears the plugin flag

* extract syncVacuumState for testability, add fake toggler tests

Extract the single sync step into syncVacuumState() with a
vacuumToggler interface. Add TestSyncVacuumState with a fake
toggler that verifies disable/enable calls on state transitions.

* use atomic.Bool for isDisableVacuum and vacuumDisabledByPlugin

Both fields are written by gRPC handlers and read by the vacuum
goroutine, causing a data race. Use atomic.Bool with Store/Load
for thread-safe access.

* use explicit by_plugin field instead of connection heuristic

Add by_plugin bool to DisableVacuumRequest proto so the caller
declares intent explicitly. The admin server monitor sets it to
true; shell commands leave it false. This prevents an operator's
intentional disable from being auto-reversed by the safety net.

* use setter for admin server callback instead of function parameter

Move isAdminServerConnected from StartRefreshWritableVolumes
parameter to Topology.SetAdminServerConnectedFunc() setter.
Keeps the function signature stable and decouples the topology
layer from the admin server concept.

* suppress repeated log messages on persistent sync failures

Add retrying parameter to syncVacuumState so the initial
state transition is logged at V(0) but subsequent retries
of the same transition are silent until the call succeeds.

* clear plugin ownership flag on manual DisableVacuum

Prevents stale plugin flag from causing incorrect auto-enable
when an operator manually disables vacuum after a plugin had
previously disabled it.

* add by_plugin to EnableVacuumRequest for symmetric ownership tracking

Plugin-driven EnableVacuum now only re-enables if the plugin was
the one that disabled it. If an operator manually disabled vacuum
after the plugin, the plugin's EnableVacuum is a no-op. This
prevents the plugin monitor from overriding operator intent on
worker disconnect.

* use cancellable context for monitorVacuumWorker goroutine

Replace context.Background() with a cancellable context stored
as bgCancel on AdminServer. Shutdown() calls bgCancel() so
monitorVacuumWorker exits cleanly via ctx.Done().

* track operator and plugin vacuum disables independently

Replace single isDisableVacuum flag with two independent flags:
vacuumDisabledByOperator and vacuumDisabledByPlugin. Each caller
only flips its own flag. The effective disabled state is the OR
of both. This prevents a plugin connect/disconnect cycle from
overriding an operator's manual disable, and vice versa.

* fix safety net to clear plugin flag, not operator flag

The safety net should call EnableVacuumByPlugin() to clear only
the plugin disable flag when the admin server disconnects. The
previous call to EnableVacuum() incorrectly cleared the operator
flag instead.
2026-03-13 22:49:12 -07:00
Chris LuandGitHub f3c5ba3cd6 feat(filer): add lazy directory listing for remote mounts (#8615)
* feat(filer): add lazy directory listing for remote mounts

Directory listings on remote mounts previously only queried the local
filer store. With lazy mounts the listing was empty; with eager mounts
it went stale over time.

Add on-demand directory listing that fetches from remote and caches
results with a 5-minute TTL:

- Add `ListDirectory` to `RemoteStorageClient` interface (delimiter-based,
  single-level listing, separate from recursive `Traverse`)
- Implement in S3, GCS, and Azure backends using each platform's
  hierarchical listing API
- Add `maybeLazyListFromRemote` to filer: before each directory listing,
  check if the directory is under a remote mount with an expired cache,
  fetch from remote, persist entries to the local store, then let existing
  listing logic run on the populated store
- Use singleflight to deduplicate concurrent requests for the same directory
- Skip local-only entries (no RemoteEntry) to avoid overwriting unsynced uploads
- Errors are logged and swallowed (availability over consistency)

* refactor: extract xattr key to constant xattrRemoteListingSyncedAt

* feat: make listing cache TTL configurable per mount via listing_cache_ttl_seconds

Add listing_cache_ttl_seconds field to RemoteStorageLocation protobuf.
When 0 (default), lazy directory listing is disabled for that mount.
When >0, enables on-demand directory listing with the specified TTL.

Expose as -listingCacheTTL flag on remote.mount command.

* refactor: address review feedback for lazy directory listing

- Add context.Context to ListDirectory interface and all implementations
- Capture startTime before remote call for accurate TTL tracking
- Simplify S3 ListDirectory using ListObjectsV2PagesWithContext
- Make maybeLazyListFromRemote return void (errors always swallowed)
- Remove redundant trailing-slash path manipulation in caller
- Update tests to match new signatures

* When an existing entry has Remote != nil, we should merge remote metadata   into it rather than replacing it.

* fix(gcs): wrap ListDirectory iterator error with context

The raw iterator error was returned without bucket/path context,
making it harder to debug. Wrap it consistently with the S3 pattern.

* fix(s3): guard against nil pointer dereference in Traverse and ListDirectory

Some S3-compatible backends may return nil for LastModified, Size, or
ETag fields. Check for nil before dereferencing to prevent panics.

* fix(filer): remove blanket 2-minute timeout from lazy listing context

Individual SDK operations (S3, GCS, Azure) already have per-request
timeouts and retry policies. The blanket timeout could cut off large
directory listings mid-operation even though individual pages were
succeeding.

* fix(filer): preserve trace context in lazy listing with WithoutCancel

Use context.WithoutCancel(ctx) instead of context.Background() so
trace/span values from the incoming request are retained for
distributed tracing, while still decoupling cancellation.

* fix(filer): use Store.FindEntry for internal lookups, add Uid/Gid to files, fix updateDirectoryListingSyncedAt

- Use f.Store.FindEntry instead of f.FindEntry for staleness check and
  child lookups to avoid unnecessary lazy-fetch overhead
- Set OS_UID/OS_GID on new file entries for consistency with directories
- In updateDirectoryListingSyncedAt, use Store.UpdateEntry for existing
  directories instead of CreateEntry to avoid deleteChunksIfNotNew and
  NotifyUpdateEvent side effects

* fix(filer): distinguish not-found from store errors in lazy listing

Previously, any error from Store.FindEntry was treated as "not found,"
which could cause entry recreation/overwrite on transient DB failures.
Now check for filer_pb.ErrNotFound explicitly and skip entries or
bail out on real store errors.

* refactor(filer): use errors.Is for ErrNotFound comparisons
2026-03-13 09:36:54 -07:00
Chris LuandGitHub 5f85bf5e8a Batch volume balance: run multiple moves per job (#8561)
* proto: add BalanceMoveSpec and batch fields to BalanceTaskParams

Add BalanceMoveSpec message for encoding individual volume moves,
and max_concurrent_moves + repeated moves fields to BalanceTaskParams
to support batching multiple volume moves in a single job.

* balance handler: add batch execution with concurrent volume moves

Refactor Execute() into executeSingleMove() (backward compatible) and
executeBatchMoves() which runs multiple volume moves concurrently using
a semaphore-bounded goroutine pool. When BalanceTaskParams.Moves is
populated, the batch path is taken; otherwise the single-move path.

Includes aggregate progress reporting across concurrent moves,
per-move error collection, and partial failure support.

* balance handler: add batch config fields to Descriptor and worker config

Add max_concurrent_moves and batch_size fields to the worker config
form and deriveBalanceWorkerConfig(). These control how many volume
moves run concurrently within a batch job and the maximum batch size.

* balance handler: group detection proposals into batch jobs

When batch_size > 1, the Detect method groups detection results into
batch proposals where each proposal encodes multiple BalanceMoveSpec
entries in BalanceTaskParams.Moves. Single-result batches fall back
to the existing single-move proposal format for backward compatibility.

* admin UI: add volume balance execution plan and batch badge

Add renderBalanceExecutionPlan() for rich rendering of volume balance
jobs in the job detail modal. Single-move jobs show source/target/volume
info; batch jobs show a moves table with all volume moves.

Add batch badge (e.g., "5 moves") next to job type in the execution
jobs table when the job has batch=true label.

* Update plugin_templ.go

* fix: detection algorithm uses greedy target instead of divergent topology scores

The detection loop tracked effective volume counts via an adjustments map,
but createBalanceTask independently called planBalanceDestination which used
the topology's LoadCount — a separate, unadjusted source of truth. This
divergence caused multiple moves to pile onto the same server.

Changes:
- Add resolveBalanceDestination to resolve the detection loop's greedy
  target (minServer) rather than independently picking a destination
- Add oscillation guard: stop when max-min <= 1 since no single move
  can improve the balance beyond that point
- Track unseeded destinations: if a target server wasn't in the initial
  serverVolumeCounts, add it so subsequent iterations include it
- Add TestDetection_UnseededDestinationDoesNotOverload

* fix: handler force_move propagation, partial failure, deterministic dedupe

- Propagate ForceMove from outer BalanceTaskParams to individual move
  TaskParams so batch moves respect the force_move flag
- Fix partial failure: mark job successful if at least one move
  succeeded (succeeded > 0 || failed == 0) to avoid re-running
  already-completed moves on retry
- Use SHA-256 hash for deterministic dedupe key fallback instead of
  time.Now().UnixNano() which is non-deterministic
- Remove unused successDetails variable
- Extract maxProposalStringLength constant to replace magic number 200

* admin UI: use template literals in balance execution plan rendering

* fix: integration test handles batch proposals from batched detection

With batch_size=20, all moves are grouped into a single proposal
containing BalanceParams.Moves instead of top-level Sources/Targets.
Update assertions to handle both batch and single-move proposal formats.

* fix: verify volume size on target before deleting source during balance

Add a pre-delete safety check that reads the volume file status on both
source and target, then compares .dat file size and file count. If they
don't match, the move is aborted — leaving the source intact rather than
risking irreversible data loss.

Also removes the redundant mountVolume call since VolumeCopy already
mounts the volume on the target server.

* fix: clamp maxConcurrent, serialize progress sends, validate config as int64

- Clamp maxConcurrentMoves to defaultMaxConcurrentMoves before creating
  the semaphore so a stale or malicious job cannot request unbounded
  concurrent volume moves
- Extend progressMu to cover sender.SendProgress calls since the
  underlying gRPC stream is not safe for concurrent writes
- Perform bounds checks on max_concurrent_moves and batch_size in int64
  space before casting to int, avoiding potential overflow on 32-bit

* fix: check disk capacity in resolveBalanceDestination

Skip disks where VolumeCount >= MaxVolumeCount so the detection loop
does not propose moves to a full disk that would fail at execution time.

* test: rename unseeded destination test to match actual behavior

The test exercises a server with 0 volumes that IS seeded from topology
(matching disk type), not an unseeded destination. Rename to
TestDetection_ZeroVolumeServerIncludedInBalance and fix comments.

* test: tighten integration test to assert exactly one batch proposal

With default batch_size=20, all moves should be grouped into a single
batch proposal. Assert len(proposals)==1 and require BalanceParams with
Moves, removing the legacy single-move else branch.

* fix: propagate ctx to RPCs and restore source writability on abort

- All helper methods (markVolumeReadonly, copyVolume, tailVolume,
  readVolumeFileStatus, deleteVolume) now accept a context parameter
  instead of using context.Background(), so Execute's ctx propagates
  cancellation and timeouts into every volume server RPC
- Add deferred cleanup that restores the source volume to writable if
  any step after markVolumeReadonly fails, preventing the source from
  being left permanently readonly on abort
- Add markVolumeWritable helper using VolumeMarkWritableRequest

* fix: deep-copy protobuf messages in test recording sender

Use proto.Clone in recordingExecutionSender to store immutable snapshots
of JobProgressUpdate and JobCompleted, preventing assertions from
observing mutations if the handler reuses message pointers.

* fix: add VolumeMarkWritable and ReadVolumeFileStatus to fake volume server

The balance task now calls ReadVolumeFileStatus for pre-delete
verification and VolumeMarkWritable to restore writability on abort.
Add both RPCs to the test fake, and drop the mountCalls assertion since
BalanceTask no longer calls VolumeMount directly (VolumeCopy handles it).

* fix: use maxConcurrentMovesLimit (50) for clamp, not defaultMaxConcurrentMoves

defaultMaxConcurrentMoves (5) is the fallback when the field is unset,
not an upper bound. Clamping to it silently overrides valid config
values like 10/20/50. Introduce maxConcurrentMovesLimit (50) matching
the descriptor's MaxValue and clamp to that instead.

* fix: cancel batch moves on progress stream failure

Derive a cancellable batchCtx from the caller's ctx. If
sender.SendProgress returns an error (client disconnect, context
cancelled), capture it, skip further sends, and cancel batchCtx so
in-flight moves abort via their propagated context rather than running
blind to completion.

* fix: bound cleanup timeout and validate batch move fields

- Use a 30-second timeout for the deferred markVolumeWritable cleanup
  instead of context.Background() which can block indefinitely if the
  volume server is unreachable
- Validate required fields (VolumeID, SourceNode, TargetNode) before
  appending moves to a batch proposal, skipping invalid entries
- Fall back to a single-move proposal when filtering leaves only one
  valid move in a batch

* fix: cancel task execution on SendProgress stream failure

All handler progress callbacks previously ignored SendProgress errors,
allowing tasks to continue executing after the client disconnected.
Now each handler creates a derived cancellable context and cancels it
on the first SendProgress error, stopping the in-flight task promptly.

Handlers fixed: erasure_coding, vacuum, volume_balance (single-move),
and admin_script (breaks command loop on send failure).

* fix: validate batch moves before scheduling in executeBatchMoves

Reject empty batches, enforce a hard upper bound (100 moves), and
filter out nil or incomplete move specs (missing source/target/volume)
before allocating progress tracking and launching goroutines.

* test: add batch balance execution integration test

Tests the batch move path with 3 volumes, max concurrency 2, using
fake volume servers. Verifies all moves complete with correct readonly,
copy, tail, and delete RPC counts.

* test: add MarkWritableCount and ReadFileStatusCount accessors

Expose the markWritableCalls and readFileStatusCalls counters on the
fake volume server, following the existing MarkReadonlyCount pattern.

* fix: oscillation guard uses global effective counts for heterogeneous capacity

The oscillation guard (max-min <= 1) previously used maxServer/minServer
which are determined by utilization ratio. With heterogeneous capacity,
maxServer by utilization can have fewer raw volumes than minServer,
producing a negative diff and incorrectly triggering the guard.

Now scans all servers' effective counts to find the true global max/min
volume counts, so the guard works correctly regardless of whether
utilization-based or raw-count balancing is used.

* fix: admin script handler breaks outer loop on SendProgress failure

The break on SendProgress error inside the shell.Commands scan only
exited the inner loop, letting the outer command loop continue
executing commands on a broken stream. Use a sendBroken flag to
propagate the break to the outer execCommands loop.
2026-03-09 19:30:08 -07:00
Chris LuandGitHub 992db11d2b iam: add IAM group management (#8560)
* iam: add Group message to protobuf schema

Add Group message (name, members, policy_names, disabled) and
add groups field to S3ApiConfiguration for IAM group management
support (issue #7742).

* iam: add group CRUD to CredentialStore interface and all backends

Add group management methods (CreateGroup, GetGroup, DeleteGroup,
ListGroups, UpdateGroup) to the CredentialStore interface with
implementations for memory, filer_etc, postgres, and grpc stores.
Wire group loading/saving into filer_etc LoadConfiguration and
SaveConfiguration.

* iam: add group IAM response types

Add XML response types for group management IAM actions:
CreateGroup, DeleteGroup, GetGroup, ListGroups, AddUserToGroup,
RemoveUserFromGroup, AttachGroupPolicy, DetachGroupPolicy,
ListAttachedGroupPolicies, ListGroupsForUser.

* iam: add group management handlers to embedded IAM API

Add CreateGroup, DeleteGroup, GetGroup, ListGroups, AddUserToGroup,
RemoveUserFromGroup, AttachGroupPolicy, DetachGroupPolicy,
ListAttachedGroupPolicies, and ListGroupsForUser handlers with
dispatch in ExecuteAction.

* iam: add group management handlers to standalone IAM API

Add group handlers (CreateGroup, DeleteGroup, GetGroup, ListGroups,
AddUserToGroup, RemoveUserFromGroup, AttachGroupPolicy, DetachGroupPolicy,
ListAttachedGroupPolicies, ListGroupsForUser) and wire into DoActions
dispatch. Also add helper functions for user/policy side effects.

* iam: integrate group policies into authorization

Add groups and userGroups reverse index to IdentityAccessManagement.
Populate both maps during ReplaceS3ApiConfiguration and
MergeS3ApiConfiguration. Modify evaluateIAMPolicies to evaluate
policies from user's enabled groups in addition to user policies.
Update VerifyActionPermission to consider group policies when
checking hasAttachedPolicies.

* iam: add group side effects on user deletion and rename

When a user is deleted, remove them from all groups they belong to.
When a user is renamed, update group membership references. Applied
to both embedded and standalone IAM handlers.

* iam: watch /etc/iam/groups directory for config changes

Add groups directory to the filer subscription watcher so group
file changes trigger IAM configuration reloads.

* admin: add group management page to admin UI

Add groups page with CRUD operations, member management, policy
attachment, and enable/disable toggle. Register routes in admin
handlers and add Groups entry to sidebar navigation.

* test: add IAM group management integration tests

Add comprehensive integration tests for group CRUD, membership,
policy attachment, policy enforcement, disabled group behavior,
user deletion side effects, and multi-group membership. Add
"group" test type to CI matrix in s3-iam-tests workflow.

* iam: address PR review comments for group management

- Fix XSS vulnerability in groups.templ: replace innerHTML string
  concatenation with DOM APIs (createElement/textContent) for rendering
  member and policy lists
- Use userGroups reverse index in embedded IAM ListGroupsForUser for
  O(1) lookup instead of iterating all groups
- Add buildUserGroupsIndex helper in standalone IAM handlers; use it
  in ListGroupsForUser and removeUserFromAllGroups for efficient lookup
- Add note about gRPC store load-modify-save race condition limitation

* iam: add defensive copies, validation, and XSS fixes for group management

- Memory store: clone groups on store/retrieve to prevent mutation
- Admin dash: deep copy groups before mutation, validate user/policy exists
- HTTP handlers: translate credential errors to proper HTTP status codes,
  use *bool for Enabled field to distinguish missing vs false
- Groups templ: use data attributes + event delegation instead of inline
  onclick for XSS safety, prevent stale async responses

* iam: add explicit group methods to PropagatingCredentialStore

Add CreateGroup, GetGroup, DeleteGroup, ListGroups, and UpdateGroup
methods instead of relying on embedded interface fallthrough. Group
changes propagate via filer subscription so no RPC propagation needed.

* iam: detect postgres unique constraint violation and add groups index

Return ErrGroupAlreadyExists when INSERT hits SQLState 23505 instead of
a generic error. Add index on groups(disabled) for filtered queries.

* iam: add Marker field to group list response types

Add Marker string field to GetGroupResult, ListGroupsResult,
ListAttachedGroupPoliciesResult, and ListGroupsForUserResult to
match AWS IAM pagination response format.

* iam: check group attachment before policy deletion

Reject DeletePolicy if the policy is attached to any group, matching
AWS IAM behavior. Add PolicyArn to ListAttachedGroupPolicies response.

* iam: include group policies in IAM authorization

Merge policy names from user's enabled groups into the IAMIdentity
used for authorization, so group-attached policies are evaluated
alongside user-attached policies.

* iam: check for name collision before renaming user in UpdateUser

Scan identities and inline policies for newUserName before mutating,
returning EntityAlreadyExists if a collision is found. Reuse the
already-loaded policies instead of loading them again inside the loop.

* test: use t.Cleanup for bucket cleanup in group policy test

* iam: wrap ErrUserNotInGroup sentinel in RemoveGroupMember error

Wrap credential.ErrUserNotInGroup so errors.Is works in
groupErrorToHTTPStatus, returning proper 400 instead of 500.

* admin: regenerate groups_templ.go with XSS-safe data attributes

Regenerated from groups.templ which uses data-group-name attributes
instead of inline onclick with string interpolation.

* iam: add input validation and persist groups during migration

- Validate nil/empty group name in CreateGroup and UpdateGroup
- Save groups in migrateToMultiFile so they survive legacy migration

* admin: use groupErrorToHTTPStatus in GetGroupMembers and GetGroupPolicies

* iam: short-circuit UpdateUser when newUserName equals current name

* iam: require empty PolicyNames before group deletion

Reject DeleteGroup when group has attached policies, matching the
existing members check. Also fix GetGroup error handling in
DeletePolicy to only skip ErrGroupNotFound, not all errors.

* ci: add weed/pb/** to S3 IAM test trigger paths

* test: replace time.Sleep with require.Eventually for propagation waits

Use polling with timeout instead of fixed sleeps to reduce flakiness
in integration tests waiting for IAM policy propagation.

* fix: use credentialManager.GetPolicy for AttachGroupPolicy validation

Policies created via CreatePolicy through credentialManager are stored
in the credential store, not in s3cfg.Policies (which only has static
config policies). Change AttachGroupPolicy to use credentialManager.GetPolicy()
for policy existence validation.

* feat: add UpdateGroup handler to embedded IAM API

Add UpdateGroup action to enable/disable groups and rename groups
via the IAM API. This is a SeaweedFS extension (not in AWS SDK) used
by tests to toggle group disabled status.

* fix: authenticate raw IAM API calls in group tests

The embedded IAM endpoint rejects anonymous requests. Replace
callIAMAPI with callIAMAPIAuthenticated that uses JWT bearer token
authentication via the test framework.

* feat: add UpdateGroup handler to standalone IAM API

Mirror the embedded IAM UpdateGroup handler in the standalone IAM API
for parity.

* fix: add omitempty to Marker XML tags in group responses

Non-truncated responses should not emit an empty <Marker/> element.

* fix: distinguish backend errors from missing policies in AttachGroupPolicy

Return ServiceFailure for credential manager errors instead of masking
them as NoSuchEntity. Also switch ListGroupsForUser to use s3cfg.Groups
instead of in-memory reverse index to avoid stale data. Add duplicate
name check to UpdateGroup rename.

* fix: standalone IAM AttachGroupPolicy uses persisted policy store

Check managed policies from GetPolicies() instead of s3cfg.Policies
so dynamically created policies are found. Also add duplicate name
check to UpdateGroup rename.

* fix: rollback inline policies on UpdateUser PutPolicies failure

If PutPolicies fails after moving inline policies to the new username,
restore both the identity name and the inline policies map to their
original state to avoid a partial-write window.

* fix: correct test cleanup ordering for group tests

Replace scattered defers with single ordered t.Cleanup in each test
to ensure resources are torn down in reverse-creation order:
remove membership, detach policies, delete access keys, delete users,
delete groups, delete policies. Move bucket cleanup to parent test
scope and delete objects before bucket.

* fix: move identity nil check before map lookup and refine hasAttachedPolicies

Move the nil check on identity before accessing identity.Name to
prevent panic. Also refine hasAttachedPolicies to only consider groups
that are enabled and have actual policies attached, so membership in
a no-policy group doesn't incorrectly trigger IAM authorization.

* fix: fail group reload on unreadable or corrupt group files

Return errors instead of logging and continuing when group files
cannot be read or unmarshaled. This prevents silently applying a
partial IAM config with missing group memberships or policies.

* fix: use errors.Is for sql.ErrNoRows comparison in postgres group store

* docs: explain why group methods skip propagateChange

Group changes propagate to S3 servers via filer subscription
(watching /etc/iam/groups/) rather than gRPC RPCs, since there
are no group-specific RPCs in the S3 cache protocol.

* fix: remove unused policyNameFromArn and strings import

* fix: update service account ParentUser on user rename

When renaming a user via UpdateUser, also update ParentUser references
in service accounts to prevent them from becoming orphaned after the
next configuration reload.

* fix: wrap DetachGroupPolicy error with ErrPolicyNotAttached sentinel

Use credential.ErrPolicyNotAttached so groupErrorToHTTPStatus maps
it to 400 instead of falling back to 500.

* fix: use admin S3 client for bucket cleanup in enforcement test

The user S3 client may lack permissions by cleanup time since the
user is removed from the group in an earlier subtest. Use the admin
S3 client to ensure bucket and object cleanup always succeeds.

* fix: add nil guard for group param in propagating store log calls

Prevent potential nil dereference when logging group.Name in
CreateGroup and UpdateGroup of PropagatingCredentialStore.

* fix: validate Disabled field in UpdateGroup handlers

Reject values other than "true" or "false" with InvalidInputException
instead of silently treating them as false.

* fix: seed mergedGroups from existing groups in MergeS3ApiConfiguration

Previously the merge started with empty group maps, dropping any
static-file groups. Now seeds from existing iam.groups before
overlaying dynamic config, and builds the reverse index after
merging to avoid stale entries from overridden groups.

* fix: use errors.Is for filer_pb.ErrNotFound comparison in group loading

Replace direct equality (==) with errors.Is() to correctly match
wrapped errors, consistent with the rest of the codebase.

* fix: add ErrUserNotFound and ErrPolicyNotFound to groupErrorToHTTPStatus

Map these sentinel errors to 404 so AddGroupMember and
AttachGroupPolicy return proper HTTP status codes.

* fix: log cleanup errors in group integration tests

Replace fire-and-forget cleanup calls with error-checked versions
that log failures via t.Logf for debugging visibility.

* fix: prevent duplicate group test runs in CI matrix

The basic lane's -run "TestIAM" regex also matched TestIAMGroup*
tests, causing them to run in both the basic and group lanes.
Replace with explicit test function names.

* fix: add GIN index on groups.members JSONB for membership lookups

Without this index, ListGroupsForUser and membership queries
require full table scans on the groups table.

* fix: handle cross-directory moves in IAM config subscription

When a file is moved out of an IAM directory (e.g., /etc/iam/groups),
the dir variable was overwritten with NewParentPath, causing the
source directory change to be missed. Now also notifies handlers
about the source directory for cross-directory moves.

* fix: validate members/policies before deleting group in admin handler

AdminServer.DeleteGroup now checks for attached members and policies
before delegating to credentialManager, matching the IAM handler guards.

* fix: merge groups by name instead of blind append during filer load

Match the identity loader's merge behavior: find existing group
by name and replace, only append when no match exists. Prevents
duplicates when legacy and multi-file configs overlap.

* fix: check DeleteEntry response error when cleaning obsolete group files

Capture and log resp.Error from filer DeleteEntry calls during
group file cleanup, matching the pattern used in deleteGroupFile.

* fix: verify source user exists before no-op check in UpdateUser

Reorder UpdateUser to find the source identity first and return
NoSuchEntityException if not found, before checking if the rename
is a no-op. Previously a non-existent user renamed to itself
would incorrectly return success.

* fix: update service account parent refs on user rename in embedded IAM

The embedded IAM UpdateUser handler updated group membership but
not service account ParentUser fields, unlike the standalone handler.

* fix: replay source-side events for all handlers on cross-dir moves

Pass nil newEntry to bucket, IAM, and circuit-breaker handlers for
the source directory during cross-directory moves, so all watchers
can clear caches for the moved-away resource.

* fix: don't seed mergedGroups from existing iam.groups in merge

Groups are always dynamic (from filer), never static (from s3.config).
Seeding from iam.groups caused stale deleted groups to persist.
Now only uses config.Groups from the dynamic filer config.

* fix: add deferred user cleanup in TestIAMGroupUserDeletionSideEffect

Register t.Cleanup for the created user so it gets cleaned up
even if the test fails before the inline DeleteUser call.

* fix: assert UpdateGroup HTTP status in disabled group tests

Add require.Equal checks for 200 status after UpdateGroup calls
so the test fails immediately on API errors rather than relying
on the subsequent Eventually timeout.

* fix: trim whitespace from group name in filer store operations

Trim leading/trailing whitespace from group.Name before validation
in CreateGroup and UpdateGroup to prevent whitespace-only filenames.
Also merge groups by name during multi-file load to prevent duplicates.

* fix: add nil/empty group validation in gRPC store

Guard CreateGroup and UpdateGroup against nil group or empty name
to prevent panics and invalid persistence.

* fix: add nil/empty group validation in postgres store

Guard CreateGroup and UpdateGroup against nil group or empty name
to prevent panics from nil member access and empty-name row inserts.

* fix: add name collision check in embedded IAM UpdateUser

The embedded IAM handler renamed users without checking if the
target name already existed, unlike the standalone handler.

* fix: add ErrGroupNotEmpty sentinel and map to HTTP 409

AdminServer.DeleteGroup now wraps conflict errors with
ErrGroupNotEmpty, and groupErrorToHTTPStatus maps it to
409 Conflict instead of 500.

* fix: use appropriate error message in GetGroupDetails based on status

Return "Group not found" only for 404, use "Failed to retrieve group"
for other error statuses instead of always saying "Group not found".

* fix: use backend-normalized group.Name in CreateGroup response

After credentialManager.CreateGroup may normalize the name (e.g.,
trim whitespace), use group.Name instead of the raw input for
the returned GroupData to ensure consistency.

* fix: add nil/empty group validation in memory store

Guard CreateGroup and UpdateGroup against nil group or empty name
to prevent panics from nil pointer dereference on map access.

* fix: reorder embedded IAM UpdateUser to verify source first

Find the source identity before checking for collisions, matching
the standalone handler's logic. Previously a non-existent user
renamed to an existing name would get EntityAlreadyExists instead
of NoSuchEntity.

* fix: handle same-directory renames in metadata subscription

Replay a delete event for the old entry name during same-directory
renames so handlers like onBucketMetadataChange can clean up stale
state for the old name.

* fix: abort GetGroups on non-ErrGroupNotFound errors

Only skip groups that return ErrGroupNotFound. Other errors (e.g.,
transient backend failures) now abort the handler and return the
error to the caller instead of silently producing partial results.

* fix: add aria-label and title to icon-only group action buttons

Add accessible labels to View and Delete buttons so screen readers
and tooltips provide meaningful context.

* fix: validate group name in saveGroup to prevent invalid filenames

Trim whitespace and reject empty names before writing group JSON
files, preventing creation of files like ".json".

* fix: add /etc/iam/groups to filer subscription watched directories

The groups directory was missing from the watched directories list,
so S3 servers in a cluster would not detect group changes made by
other servers via filer. The onIamConfigChange handler already had
code to handle group directory changes but it was never triggered.

* add direct gRPC propagation for group changes to S3 servers

Groups now have the same dual propagation as identities and policies:
direct gRPC push via propagateChange + async filer subscription.

- Add PutGroup/RemoveGroup proto messages and RPCs
- Add PutGroup/RemoveGroup in-memory cache methods on IAM
- Add PutGroup/RemoveGroup gRPC server handlers
- Update PropagatingCredentialStore to call propagateChange on group mutations

* reduce log verbosity for config load summary

Change ReplaceS3ApiConfiguration log from Infof to V(1).Infof
to avoid noisy output on every config reload.

* admin: show user groups in view and edit user modals

- Add Groups field to UserDetails and populate from credential manager
- Show groups as badges in user details view modal
- Add group management to edit user modal: display current groups,
  add to group via dropdown, remove from group via badge x button

* fix: remove duplicate showAlert that broke modal-alerts.js

admin.js defined showAlert(type, message) which overwrote the
modal-alerts.js version showAlert(message, type), causing broken
unstyled alert boxes. Remove the duplicate and swap all callers
in admin.js to use the correct (message, type) argument order.

* fix: unwrap groups API response in edit user modal

The /api/groups endpoint returns {"groups": [...]}, not a bare array.

* Update object_store_users_templ.go

* test: assert AccessDenied error code in group denial tests

Replace plain assert.Error checks with awserr.Error type assertion
and AccessDenied code verification, matching the pattern used in
other IAM integration tests.

* fix: propagate GetGroups errors in ShowGroups handler

getGroupsPageData was swallowing errors and returning an empty page
with 200 status. Now returns the error so ShowGroups can respond
with a proper error status.

* fix: reject AttachGroupPolicy when credential manager is nil

Previously skipped policy existence validation when credentialManager
was nil, allowing attachment of nonexistent policies. Now returns
a ServiceFailureException error.

* fix: preserve groups during partial MergeS3ApiConfiguration updates

UpsertIdentity calls MergeS3ApiConfiguration with a partial config
containing only the updated identity (nil Groups). This was wiping
all in-memory group state. Now only replaces groups when
config.Groups is non-nil (full config reload).

* fix: propagate errors from group lookup in GetObjectStoreUserDetails

ListGroups and GetGroup errors were silently ignored, potentially
showing incomplete group data in the UI.

* fix: use DOM APIs for group badge remove button to prevent XSS

Replace innerHTML with onclick string interpolation with DOM
createElement + addEventListener pattern. Also add aria-label
and title to the add-to-group button.

* fix: snapshot group policies under RLock to prevent concurrent map access

evaluateIAMPolicies was copying the map reference via groupMap :=
iam.groups under RLock then iterating after RUnlock, while PutGroup
mutates the map in-place. Now copies the needed policy names into
a slice while holding the lock.

* fix: add nil IAM check to PutGroup and RemoveGroup gRPC handlers

Match the nil guard pattern used by PutPolicy/DeletePolicy to
prevent nil pointer dereference when IAM is not initialized.
2026-03-09 11:54:32 -07:00
3f946fc0c0 mount: make metadata cache rebuilds snapshot-consistent (#8531)
* filer: expose metadata events and list snapshots

* mount: invalidate hot directory caches

* mount: read hot directories directly from filer

* mount: add sequenced metadata cache applier

* mount: apply metadata responses through cache applier

* mount: replay snapshot-consistent directory builds

* mount: dedupe self metadata events

* mount: factor directory build cleanup

* mount: replace proto marshal dedup with composite key and ring buffer

The dedup logic was doing a full deterministic proto.Marshal on every
metadata event just to produce a dedup key. Replace with a cheap
composite string key (TsNs|Directory|OldName|NewName).

Also replace the sliding-window slice (which leaked the backing array
unboundedly) with a fixed-size ring buffer that reuses the same array.

* filer: remove mutex and proto.Clone from request-scoped MetadataEventSink

MetadataEventSink is created per-request and only accessed by the
goroutine handling the gRPC call. The mutex and double proto.Clone
(once in Record, once in Last) were unnecessary overhead on every
filer write operation. Store the pointer directly instead.

* mount: skip proto.Clone for caller-owned metadata events

Add ApplyMetadataResponseOwned that takes ownership of the response
without cloning. Local metadata events (mkdir, create, flush, etc.)
are freshly constructed and never shared, so the clone is unnecessary.

* filer: only populate MetadataEvent on successful DeleteEntry

Avoid calling eventSink.Last() on error paths where the sink may
contain a partial event from an intermediate child deletion during
recursive deletes.

* mount: avoid map allocation in collectDirectoryNotifications

Replace the map with a fixed-size array and linear dedup. There are
at most 3 directories to notify (old parent, new parent, new child
if directory), so a 3-element array avoids the heap allocation on
every metadata event.

* mount: fix potential deadlock in enqueueApplyRequest

Release applyStateMu before the blocking channel send. Previously,
if the channel was full (cap 128), the send would block while holding
the mutex, preventing Shutdown from acquiring it to set applyClosed.

* mount: restore signature-based self-event filtering as fast path

Re-add the signature check that was removed when content-based dedup
was introduced. Checking signatures is O(1) on a small slice and
avoids enqueuing and processing events that originated from this
mount instance. The content-based dedup remains as a fallback.

* filer: send snapshotTsNs only in first ListEntries response

The snapshot timestamp is identical for every entry in a single
ListEntries stream. Sending it in every response message wastes
wire bandwidth for large directories. The client already reads
it only from the first response.

* mount: exit read-through mode after successful full directory listing

MarkDirectoryRefreshed was defined but never called, so directories
that entered read-through mode (hot invalidation threshold) stayed
there permanently, hitting the filer on every readdir even when cold.
Call it after a complete read-through listing finishes.

* mount: include event shape and full paths in dedup key

The previous dedup key only used Names, which could collapse distinct
rename targets. Include the event shape (C/D/U/R), source directory,
new parent path, and both entry names so structurally different events
are never treated as duplicates.

* mount: drain pending requests on shutdown in runApplyLoop

After receiving the shutdown sentinel, drain any remaining requests
from applyCh non-blockingly and signal each with errMetaCacheClosed
so callers waiting on req.done are released.

* mount: include IsDirectory in synthetic delete events

metadataDeleteEvent now accepts an isDirectory parameter so the
applier can distinguish directory deletes from file deletes. Rmdir
passes true, Unlink passes false.

* mount: fall back to synthetic event when MetadataEvent is nil

In mknod and mkdir, if the filer response omits MetadataEvent (e.g.
older filer without the field), synthesize an equivalent local
metadata event so the cache is always updated.

* mount: make Flush metadata apply best-effort after successful commit

After filer_pb.CreateEntryWithResponse succeeds, the entry is
persisted. Don't fail the Flush syscall if the local metadata cache
apply fails — log and invalidate the directory cache instead.
Also fall back to a synthetic event when MetadataEvent is nil.

* mount: make Rename metadata apply best-effort

The rename has already succeeded on the filer by the time we apply
the local metadata event. Log failures instead of returning errors
that would be dropped by the caller anyway.

* mount: make saveEntry metadata apply best-effort with fallback

After UpdateEntryWithResponse succeeds, treat local metadata apply
as non-fatal. Log and invalidate the directory cache on failure.
Also fall back to a synthetic event when MetadataEvent is nil.

* filer_pb: preserve snapshotTsNs on error in ReadDirAllEntriesWithSnapshot

Return the snapshot timestamp even when the first page fails, so
callers receive the snapshot boundary when partial data was received.

* filer: send snapshot token for empty directory listings

When no entries are streamed, send a final ListEntriesResponse with
only SnapshotTsNs so clients always receive the snapshot boundary.

* mount: distinguish not-found vs transient errors in lookupEntry

Return fuse.EIO for non-not-found filer errors instead of
unconditionally returning ENOENT, so transient failures don't
masquerade as missing entries.

* mount: make CacheRemoteObject metadata apply best-effort

The file content has already been cached successfully. Don't fail
the read if the local metadata cache update fails.

* mount: use consistent snapshot for readdir in direct mode

Capture the SnapshotTsNs from the first loadDirectoryEntriesDirect
call and store it on the DirectoryHandle. Subsequent batch loads
pass this stored timestamp so all batches use the same snapshot.

Also export DoSeaweedListWithSnapshot so mount can use it directly
with snapshot passthrough.

* filer_pb: fix test fake to send SnapshotTsNs only on first response

Match the server behavior: only the first ListEntriesResponse in a
page carries the snapshot timestamp, subsequent entries leave it zero.

* Fix nil pointer dereference in ListEntries stream consumers

Remove the empty-directory snapshot-only response from ListEntries
that sent a ListEntriesResponse with Entry==nil, which crashed every
raw stream consumer that assumed resp.Entry is always non-nil.

Also add defensive nil checks for resp.Entry in all raw ListEntries
stream consumers across: S3 listing, broker topic lookup, broker
topic config, admin dashboard, topic retention, hybrid message
scanner, Kafka integration, and consumer offset storage.

* Add nil guards for resp.Entry in remaining ListEntries stream consumers

Covers: S3 object lock check, MQ management dashboard (version/
partition/offset loops), and topic retention version loop.

* Make applyLocalMetadataEvent best-effort in Link and Symlink

The filer operations already succeeded; failing the syscall because
the local cache apply failed is wrong. Log a warning and invalidate
the parent directory cache instead.

* Make applyLocalMetadataEvent best-effort in Mkdir/Rmdir/Mknod/Unlink

The filer RPC already committed; don't fail the syscall when the
local metadata cache apply fails. Log a warning and invalidate the
parent directory cache to force a re-fetch on next access.

* flushFileMetadata: add nil-fallback for metadata event and best-effort apply

Synthesize a metadata event when resp.GetMetadataEvent() is nil
(matching doFlush), and make the apply best-effort with cache
invalidation on failure.

* Prevent double-invocation of cleanupBuild in doEnsureVisited

Add a cleanupDone guard so the deferred cleanup and inline error-path
cleanup don't both call DeleteFolderChildren/AbortDirectoryBuild.

* Fix comment: signature check is O(n) not O(1)

* Prevent deferred cleanup after successful CompleteDirectoryBuild

Set cleanupDone before returning from the success path so the
deferred context-cancellation check cannot undo a published build.

* Invalidate parent directory caches on rename metadata apply failure

When applyLocalMetadataEvent fails during rename, invalidate the
source and destination parent directory caches so subsequent accesses
trigger a re-fetch from the filer.

* Add event nil-fallback and cache invalidation to Link and Symlink

Synthesize metadata events when the server doesn't return one, and
invalidate parent directory caches on apply failure.

* Match requested partition when scanning partition directories

Parse the partition range format (NNNN-NNNN) and match against the
requested partition parameter instead of using the first directory.

* Preserve snapshot timestamp across empty directory listings

Initialize actualSnapshotTsNs from the caller-requested value so it
isn't lost when the server returns no entries. Re-add the server-side
snapshot-only response for empty directories (all raw stream consumers
now have nil guards for Entry).

* Fix CreateEntry error wrapping to support errors.Is/errors.As

Use errors.New + %w instead of %v for resp.Error so callers can
unwrap the underlying error.

* Fix object lock pagination: only advance on non-nil entries

Move entriesReceived inside the nil check so nil entries don't
cause repeated ListEntries calls with the same lastFileName.

* Guard Attributes nil check before accessing Mtime in MQ management

* Do not send nil-Entry response for empty directory listings

The snapshot-only ListEntriesResponse (with Entry == nil) for empty
directories breaks consumers that treat any received response as an
entry (Java FilerClient, S3 listing). The Go client-side
DoSeaweedListWithSnapshot already preserves the caller-requested
snapshot via actualSnapshotTsNs initialization, so the server-side
send is unnecessary.

* Fix review findings: subscriber dedup, invalidation normalization, nil guards, shutdown race

- Remove self-signature early-return in processEventFn so all events
  flow through the applier (directory-build buffering sees self-originated
  events that arrive after a snapshot)
- Normalize NewParentPath in collectEntryInvalidations to avoid duplicate
  invalidations when NewParentPath is empty (same-directory update)
- Guard resp.Entry.Attributes for nil in admin_server.go and
  topic_retention.go to prevent panics on entries without attributes
- Fix enqueueApplyRequest race with shutdown by using select on both
  applyCh and applyDone, preventing sends after the apply loop exits
- Add cleanupDone check to deferred cleanup in meta_cache_init.go for
  clarity alongside the existing guard in cleanupBuild
- Add empty directory test case for snapshot consistency

* Propagate authoritative metadata event from CacheRemoteObjectToLocalCluster and generate client-side snapshot for empty directories

- Add metadata_event field to CacheRemoteObjectToLocalClusterResponse
  proto so the filer-emitted event is available to callers
- Use WithMetadataEventSink in the server handler to capture the event
  from NotifyUpdateEvent and return it on the response
- Update filehandle_read.go to prefer the RPC's metadata event over
  a locally fabricated one, falling back to metadataUpdateEvent when
  the server doesn't provide one (e.g., older filers)
- Generate a client-side snapshot cutoff in DoSeaweedListWithSnapshot
  when the server sends no snapshot (empty directory), so callers like
  CompleteDirectoryBuild get a meaningful boundary for filtering
  buffered events

* Skip directory notifications for dirs being built to prevent mid-build cache wipe

When a metadata event is buffered during a directory build,
applyMetadataSideEffects was still firing noteDirectoryUpdate for the
building directory. If the directory accumulated enough updates to
become "hot", markDirectoryReadThrough would call DeleteFolderChildren,
wiping entries that EnsureVisited had already inserted. The build would
then complete and mark the directory cached with incomplete data.

Fix by using applyMetadataSideEffectsSkippingBuildingDirs for buffered
events, which suppresses directory notifications for dirs currently in
buildingDirs while still applying entry invalidations.

* Add test for directory notification suppression during active build

TestDirectoryNotificationsSuppressedDuringBuild verifies that metadata
events targeting a directory under active EnsureVisited build do NOT
fire onDirectoryUpdate for that directory. In production, this prevents
markDirectoryReadThrough from calling DeleteFolderChildren mid-build,
which would wipe entries already inserted by the listing.

The test inserts an entry during a build, sends multiple metadata events
for the building directory, asserts no notifications fired for it,
verifies the entry survives, and confirms buffered events are replayed
after CompleteDirectoryBuild.

* Fix create invalidations, build guard, event shape, context, and snapshot error path

- collectEntryInvalidations: invalidate FUSE kernel cache on pure
  create events (OldEntry==nil && NewEntry!=nil), not just updates
  and deletes
- completeDirectoryBuildNow: only call markCachedFn when an active
  build existed (state != nil), preventing an unpopulated directory
  from being marked as cached
- Add metadataCreateEvent helper that produces a create-shaped event
  (NewEntry only, no OldEntry) and use it in mkdir, mknod, symlink,
  and hardlink create fallback paths instead of metadataUpdateEvent
  which incorrectly set both OldEntry and NewEntry
- applyMetadataResponseEnqueue: use context.Background() for the
  queued mutation so a cancelled caller context cannot abort the
  apply loop mid-write
- DoSeaweedListWithSnapshot: move snapshot initialization before
  ListEntries call so the error path returns the preserved snapshot
  instead of 0

* Fix review findings: test loop, cache race, context safety, snapshot consistency

- Fix build test loop starting at i=1 instead of i=0, missing new-0.txt verification
- Re-check IsDirectoryCached after cache miss to avoid ENOENT race with markDirectoryReadThrough
- Use context.Background() in enqueueAndWait so caller cancellation can't abort build/complete mid-way
- Pass dh.snapshotTsNs in skip-batch loadDirectoryEntriesDirect for snapshot consistency
- Prefer resp.MetadataEvent over fallback in Unlink event derivation
- Add comment on MetadataEventSink.Record single-event assumption

* Fix empty-directory snapshot clock skew and build cancellation race

Empty-directory snapshot: Remove client-side time.Now() synthesis when
the server returns no entries. Instead return snapshotTsNs=0, and in
completeDirectoryBuildNow replay ALL buffered events when snapshot is 0.
This eliminates the clock-skew bug where a client ahead of the filer
would filter out legitimate post-list events.

Build cancellation: Use context.Background() for BeginDirectoryBuild
and CompleteDirectoryBuild calls in doEnsureVisited, so errgroup
cancellation doesn't cause enqueueAndWait to return early and trigger
cleanupBuild while the operation is still queued.

* Add tests for empty-directory build replay and cancellation resilience

TestEmptyDirectoryBuildReplaysAllBufferedEvents: verifies that when
CompleteDirectoryBuild receives snapshotTsNs=0 (empty directory, no
server snapshot), ALL buffered events are replayed regardless of their
TsNs values — no clock-skew-sensitive filtering occurs.

TestBuildCompletionSurvivesCallerCancellation: verifies that once
CompleteDirectoryBuild is enqueued, a cancelled caller context does not
prevent the build from completing. The apply loop runs with
context.Background(), so the directory becomes cached and buffered
events are replayed even when the caller gives up waiting.

* Fix directory subtree cleanup, Link rollback, test robustness

- applyMetadataResponseLocked: when a directory entry is deleted or
  moved, call DeleteFolderChildren on the old path so cached descendants
  don't leak as stale entries.

- Link: save original HardLinkId/Counter before mutation. If
  CreateEntryWithResponse fails after the source was already updated,
  rollback the source entry to its original state via UpdateEntry.

- TestBuildCompletionSurvivesCallerCancellation: replace fixed
  time.Sleep(50ms) with a deadline-based poll that checks
  IsDirectoryCached in a loop, failing only after 2s timeout.

- TestReadDirAllEntriesWithSnapshotEmptyDirectory: assert that
  ListEntries was actually invoked on the mock client so the test
  exercises the RPC path.

- newMetadataEvent: add early return when both oldEntry and newEntry are
  nil to avoid emitting events with empty Directory.

---------

Co-authored-by: Copilot <copilot@github.com>
2026-03-07 09:19:40 -08:00
b3620c7e14 admin: auto migrating master maintenance scripts to admin_script plugin config (#8509)
* admin: seed admin_script plugin config from master maintenance scripts

When the admin server starts, fetch the maintenance scripts configuration
from the master via GetMasterConfiguration. If the admin_script plugin
worker does not already have a saved config, use the master's scripts as
the default value. This enables seamless migration from master.toml
[master.maintenance] to the admin script plugin worker.

Changes:
- Add maintenance_scripts and maintenance_sleep_minutes fields to
  GetMasterConfigurationResponse in master.proto
- Populate the new fields from viper config in master_grpc_server.go
- On admin server startup, fetch the master config and seed the
  admin_script plugin config if no config exists yet
- Strip lock/unlock commands from the master scripts since the admin
  script worker handles locking automatically

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* fix: address review comments on admin_script seeding

- Replace TOCTOU race (separate Load+Save) with atomic
  SaveJobTypeConfigIfNotExists on ConfigStore and Plugin
- Replace ineffective polling loop with single GetMaster call using
  30s context timeout, since GetMaster respects context cancellation
- Add unit tests for SaveJobTypeConfigIfNotExists (in-memory + on-disk)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* fix: apply maintenance script defaults in gRPC handler

The gRPC handler for GetMasterConfiguration read maintenance scripts
from viper without calling SetDefault, relying on startAdminScripts
having run first. If the admin server calls GetMasterConfiguration
before startAdminScripts sets the defaults, viper returns empty
strings and the seeding is silently skipped.

Apply SetDefault in the gRPC handler itself so it is self-contained.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* Revert "fix: apply maintenance script defaults in gRPC handler"

This reverts commit 068a506330.

* fix: use atomic save in ensureJobTypeConfigFromDescriptor

ensureJobTypeConfigFromDescriptor used a separate Load + Save, racing
with seedAdminScriptFromMaster. If the descriptor defaults (empty
script) were saved first, SaveJobTypeConfigIfNotExists in the seeding
goroutine would see an existing config and skip, losing the master's
maintenance scripts.

Switch to SaveJobTypeConfigIfNotExists so both paths are atomic. Whichever
wins, the other is a safe no-op.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* fix: fetch master scripts inline during config bootstrap, not in goroutine

Replace the seedAdminScriptFromMaster goroutine with a
ConfigDefaultsProvider callback. When the plugin bootstraps
admin_script defaults from the worker descriptor, it calls the
provider which fetches maintenance scripts from the master
synchronously. This eliminates the race between the seeding
goroutine and the descriptor-based config bootstrap.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* skip commented lock unlock

Co-Authored-By: Copilot <223556219+Copilot@users.noreply.github.com>

* reduce grpc calls

---------

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
2026-03-04 22:11:07 -08:00
RacciandGitHub 9e26d6f5dd fix: port in SNI address when using domainName instead of IP for master (#8500) 2026-03-04 07:05:45 -08:00
18ccc9b773 Plugin scheduler: sequential iterations with max runtime (#8496)
* pb: add job type max runtime setting

* plugin: default job type max runtime

* plugin: redesign scheduler loop

* admin ui: update scheduler settings

* plugin: fix scheduler loop state name

* plugin scheduler: restore backlog skip

* plugin scheduler: drop legacy detection helper

* admin api: require scheduler config body

* admin ui: preserve detection interval on save

* plugin scheduler: use job context and drain cancels

* plugin scheduler: respect detection intervals

* plugin scheduler: gate runs and drain queue

* ec test: reuse req/resp vars

* ec test: add scheduler debug logs

* Adjust scheduler idle sleep and initial run delay

* Clear pending job queue before scheduler runs

* Log next detection time in EC integration test

* Improve plugin scheduler debug logging in EC test

* Expose scheduler next detection time

* Log scheduler next detection time in EC test

* Wake scheduler on config or worker updates

* Expose scheduler sleep interval in UI

* Fix scheduler sleep save value selection

* Set scheduler idle sleep default to 613s

* Show scheduler next run time in plugin UI

---------

Co-authored-by: Copilot <copilot@github.com>
2026-03-03 23:09:49 -08:00
f5c35240be Add volume dir tags and EC placement priority (#8472)
* Add volume dir tags to topology

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Add preferred tag config for EC

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Prioritize EC destinations by tags

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Add EC placement planner tag tests

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Refactor EC placement tests to reuse buildActiveTopology

Remove buildActiveTopologyWithDiskTags helper function and consolidate
tag setup inline in test cases. Tests now use UpdateTopology to apply
tags after topology creation, reusing the existing buildActiveTopology
function rather than duplicating its logic.

All tag scenario tests pass:
- TestECPlacementPlannerPrefersTaggedDisks
- TestECPlacementPlannerFallsBackWhenTagsInsufficient

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Consolidate normalizeTagList into shared util package

Extract normalizeTagList from three locations (volume.go,
detection.go, erasure_coding_handler.go) into new weed/util/tag.go
as exported NormalizeTagList function. Replace all duplicate
implementations with imports and calls to util.NormalizeTagList.

This improves code reuse and maintainability by centralizing
tag normalization logic.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Add PreferredTags to EC config persistence

Add preferred_tags field to ErasureCodingTaskConfig protobuf with field
number 5. Update GetConfigSpec to include preferred_tags field in the
UI configuration schema. Add PreferredTags to ToTaskPolicy to serialize
config to protobuf. Add PreferredTags to FromTaskPolicy to deserialize
from protobuf with defensive copy to prevent external mutation.

This allows EC preferred tags to be persisted and restored across
worker restarts.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Add defensive copy for Tags slice in DiskLocation

Copy the incoming tags slice in NewDiskLocation instead of storing
by reference. This prevents external callers from mutating the
DiskLocation.Tags slice after construction, improving encapsulation
and preventing unexpected changes to disk metadata.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Add doc comment to buildCandidateSets method

Document the tiered candidate selection and fallback behavior. Explain
that for a planner with preferredTags, it accumulates disks matching
each tag in order into progressively larger tiers, emits a candidate
set once a tier reaches shardsNeeded, and finally falls back to the
full candidates set if preferred-tag tiers are insufficient.

This clarifies the intended semantics for future maintainers.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Apply final PR review fixes

1. Update parseVolumeTags to replicate single tag entry to all folders
   instead of leaving some folders with nil tags. This prevents nil
   pointer dereferences when processing folders without explicit tags.

2. Add defensive copy in ToTaskPolicy for PreferredTags slice to match
   the pattern used in FromTaskPolicy, preventing external mutation of
   the returned TaskPolicy.

3. Add clarifying comment in buildCandidateSets explaining that the
   shardsNeeded <= 0 branch is a defensive check for direct callers,
   since selectDestinations guarantees shardsNeeded > 0.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Fix nil pointer dereference in parseVolumeTags

Ensure all folder tags are initialized to either normalized tags or
empty slices, not nil. When multiple tag entries are provided and there
are more folders than entries, remaining folders now get empty slices
instead of nil, preventing nil pointer dereference in downstream code.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Fix NormalizeTagList to return empty slice instead of nil

Change NormalizeTagList to always return a non-nil slice. When all tags
are empty or whitespace after normalization, return an empty slice
instead of nil. This prevents nil pointer dereferences in downstream
code that expects a valid (possibly empty) slice.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Add nil safety check for v.tags pointer

Add a safety check to handle the case where v.tags might be nil,
preventing a nil pointer dereference. If v.tags is nil, use an empty
string instead. This is defensive programming to prevent panics in
edge cases.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Add volume.tags flag to weed server and weed mini commands

Add the volume.tags CLI option to both the 'weed server' and 'weed mini'
commands. This allows users to specify disk tags when running the
combined server modes, just like they can with 'weed volume'.

The flag uses the same format and description as the volume command:
comma-separated tag groups per data dir with ':' separators
(e.g. fast:ssd,archive).

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <copilot@github.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
2026-03-01 10:22:00 -08:00