Use permissions: {} (no token permissions) instead of contents: read

Co-authored-by: mykaul <4655593+mykaul@users.noreply.github.com>
Agent-Logs-Url: https://github.com/scylladb/scylladb/sessions/11b4f0e2-dd65-47f3-9d02-0c01e28fcd99

.github/workflows/trigger-scylla-ci.yaml

@@ -1,6 +1,6 @@
 name: Trigger Scylla CI Route
-permissions:
-  contents: read
+
+permissions: {}
 
 on:
   issue_comment:

.github/workflows/trigger_jenkins.yaml

@@ -1,8 +1,5 @@
 name: Trigger next gating
 
-permissions:
-  contents: read
-
 on:
   push:
     branches:

ent/encryption/encrypted_file_impl.cc

@@ -727,12 +727,7 @@ public:
 
         // now we need one page more to be able to save one for next lap
         auto fill_size = align_up(buf1.size(), block_size) + block_size - buf1.size();
-        // If the underlying stream is already at EOF (e.g. buf1 came from
-        // cached _next while the previous read_exactly drained the source),
-        // skip the read_exactly call — it would return empty anyway.
-        auto buf2 = _input.eof()
-            ? temporary_buffer<char>()
-            : co_await _input.read_exactly(fill_size);
+        auto buf2 = co_await _input.read_exactly(fill_size);
 
         temporary_buffer<char> output(buf1.size() + buf2.size());
 

locator/everywhere_replication_strategy.cc

@@ -42,14 +42,7 @@ void everywhere_replication_strategy::validate_options(const gms::feature_servic
 
 sstring everywhere_replication_strategy::sanity_check_read_replicas(const effective_replication_map& erm, const host_id_vector_replica_set& read_replicas) const {
     const auto replication_factor = erm.get_replication_factor();
-    if (const auto& topo_info = erm.get_token_metadata().get_topology_change_info(); topo_info && topo_info->read_new) {
-        if (read_replicas.size() > replication_factor + 1) {
-            return seastar::format(
-                    "everywhere_replication_strategy: the number of replicas for everywhere_replication_strategy is {}, "
-                    "cannot be higher than replication factor {} + 1 during the 'read from new replicas' stage of a topology change",
-                    read_replicas.size(), replication_factor);
-        }
-    } else if (read_replicas.size() > replication_factor) {
+    if (read_replicas.size() > replication_factor) {
         return seastar::format("everywhere_replication_strategy: the number of replicas for everywhere_replication_strategy is {}, cannot be higher than replication factor {}", read_replicas.size(), replication_factor);
     }
     return {};

pgo/pgo.py

@@ -15,7 +15,6 @@ from typing import Any, Optional
 import asyncio
 import contextlib
 import glob
-import hashlib
 import json
 import logging
 import os
@@ -365,14 +364,12 @@ async def start_node(executable: PathLike, cluster_workdir: PathLike, addr: str,
     llvm_profile_file = f"{addr}-%m.profraw"
     scylla_workdir = f"{addr}"
     logfile = f"{addr}.log"
-    socket = maintenance_socket_path(cluster_workdir, addr)
     command = [
         "env",
         f"LLVM_PROFILE_FILE={llvm_profile_file}",
         f"SCYLLA_HOME={os.path.realpath(os.getcwd())}", # We assume that the script has Scylla's `conf/` as its filesystem neighbour.
         os.path.realpath(executable),
         f"--workdir={scylla_workdir}",
-        f"--maintenance-socket={socket}",
         "--ring-delay-ms=0",
         "--developer-mode=yes",
         "--memory=1G",
@@ -394,7 +391,6 @@ async def start_node(executable: PathLike, cluster_workdir: PathLike, addr: str,
         f"--authenticator=PasswordAuthenticator",
         f"--authorizer=CassandraAuthorizer",
     ] + list(extra_opts)
-    training_logger.info(f"Using maintenance socket {socket}")
     return await run(['bash', '-c', fr"""exec {shlex.join(command)} >{q(logfile)} 2>&1"""], cwd=cluster_workdir)
 
 async def start_cluster(executable: PathLike, addrs: list[str], cpusets: Optional[list[str]], workdir: PathLike, cluster_name: str, extra_opts: list[str]) -> list[Process]:
@@ -437,25 +433,16 @@ async def start_cluster(executable: PathLike, addrs: list[str], cpusets: Optiona
             procs.append(proc)
             await wait_for_node(proc, addrs[i], timeout)
     except:
-        await stop_cluster(procs, addrs, cluster_workdir=workdir)
+        await stop_cluster(procs, addrs)
         raise
     return procs
 
-async def stop_cluster(procs: list[Process], addrs: list[str], cluster_workdir: PathLike) -> None:
+async def stop_cluster(procs: list[Process], addrs: list[str]) -> None:
     """Stops a Scylla cluster started with start_cluster().
     Doesn't return until all nodes exit, even if stop_cluster() is cancelled.
 
     """
     await clean_gather(*[cancel_process(p, timeout=60) for p in procs])
-    _cleanup_short_sockets(cluster_workdir, addrs)
-
-def _cleanup_short_sockets(cluster_workdir: PathLike, addrs: list[str]) -> None:
-    """Remove short maintenance socket files created in /tmp."""
-    for addr in addrs:
-        try:
-            os.unlink(maintenance_socket_path(cluster_workdir, addr))
-        except OSError:
-            pass
 
 async def wait_for_port(addr: str, port: int) -> None:
     await bash(fr'until printf "" >>/dev/tcp/{addr}/{port}; do sleep 0.1; done 2>/dev/null')
@@ -466,17 +453,12 @@ async def merge_profraw(directory: PathLike) -> None:
         await bash(fr"llvm-profdata merge {q(directory)}/*.profraw -output {q(directory)}/prof.profdata")
 
 def maintenance_socket_path(cluster_workdir: PathLike, addr: str) -> str:
-    """Return the maintenance socket path for a node.
+    """Returns the absolute path of the maintenance socket for a given node.
 
-    Returns a short deterministic path in /tmp (derived from an MD5 hash of
-    the natural ``<cluster_workdir>/<addr>/cql.m`` path) to stay within the
-    Unix domain socket length limit.
-    The same path is passed to Scylla via ``--maintenance-socket`` in
-    ``start_node()``.
+    With ``maintenance_socket: workdir`` in scylla.yaml the socket lives at
+    ``<node-workdir>/cql.m``, i.e. ``<cluster_workdir>/<addr>/cql.m``.
     """
-    natural = os.path.realpath(f"{cluster_workdir}/{addr}/cql.m")
-    path_hash = hashlib.md5(natural.encode()).hexdigest()[:12]
-    return os.path.join(tempfile.gettempdir(), f'pgo-{path_hash}.m')
+    return os.path.realpath(f"{cluster_workdir}/{addr}/cql.m")
 
 async def setup_cassandra_user(workdir: PathLike, addr: str) -> None:
     """Create the ``cassandra`` superuser via the maintenance socket.
@@ -543,7 +525,7 @@ async def with_cluster(executable: PathLike, workdir: PathLike, cpusets: Optiona
         yield addrs, procs
     finally:
         training_logger.info(f"Stopping the cluster in {workdir}")
-        await stop_cluster(procs, addrs, cluster_workdir=workdir)
+        await stop_cluster(procs, addrs)
         training_logger.info(f"Stopped the cluster in {workdir}")
 
 ################################################################################

pgo/profiles/x86_64/profile.profdata.xz

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:d424ce6cc7f65338c34dd35881d23f5ad3425651d66e47dc2c3a20dc798848d4
-size 6598648
+oid sha256:34a0955d2c5a88e18ddab0f1df085e10a17e14129c3e21de91e4f27ef949b6c4
+size 6502668

replica/logstor/segment_manager.cc

@@ -1622,14 +1622,14 @@ future<> segment_manager_impl::do_recovery(replica::database& db) {
     size_t next_file_id = 0;
     for (auto file_id : found_file_ids) {
         if (file_id != next_file_id) {
-            throw std::runtime_error(fmt::format("Missing log segment file(s) detected during recovery: file {} missing", _file_mgr.get_file_path(next_file_id).string()));
+            throw std::runtime_error(fmt::format("Missing log segment file(s) detected during recovery: file {} missing", _file_mgr.get_file_path(next_file_id)));
         }
         next_file_id++;
     }
 
     // populate index from all segments. keep the latest record for each key.
     for (auto file_id : found_file_ids) {
-        logstor_logger.info("Recovering segments from file {}: {}%", _file_mgr.get_file_path(file_id).string(), (file_id + 1) * 100 / found_file_ids.size());
+        logstor_logger.info("Recovering segments from file {}: {}%", _file_mgr.get_file_path(file_id), (file_id + 1) * 100 / found_file_ids.size());
         co_await max_concurrent_for_each(segments_in_file(file_id), 32,
             [this, &db] (log_segment_id seg_id) {
                 return recover_segment(db, seg_id);

replica/table.cc

@@ -4860,14 +4860,13 @@ table::query(schema_ptr query_schema,
     }
 
     std::optional<full_position> last_pos;
-    if (querier_opt) {
-        if (querier_opt->current_position()) {
-            last_pos.emplace(*querier_opt->current_position());
-        }
-        if (!saved_querier || (!querier_opt->are_limits_reached() && !qs.builder.is_short_read())) {
-            co_await querier_opt->close();
-            querier_opt = {};
-        }
+    if (querier_opt && querier_opt->current_position()) {
+        last_pos.emplace(*querier_opt->current_position());
+    }
+
+    if (!saved_querier || (querier_opt && !querier_opt->are_limits_reached() && !qs.builder.is_short_read())) {
+        co_await querier_opt->close();
+        querier_opt = {};
     }
     if (saved_querier) {
         *saved_querier = std::move(querier_opt);

rust/CMakeLists.txt

@@ -87,11 +87,6 @@ target_include_directories(wasmtime_bindings
 target_link_libraries(wasmtime_bindings
   INTERFACE Rust::rust_combined)
 if (Scylla_USE_PRECOMPILED_HEADER_USE)
-  # The PCH from scylla-precompiled-header is compiled with Seastar's compile
-  # flags, including sanitizer flags in Debug/Sanitize modes. Any target reusing
-  # this PCH must have matching compile options, otherwise the compiler rejects
-  # the PCH due to flag mismatch (e.g., -fsanitize=address).
-  target_link_libraries(wasmtime_bindings PRIVATE Seastar::seastar)
   target_precompile_headers(wasmtime_bindings REUSE_FROM scylla-precompiled-header)
 endif()
 
@@ -113,6 +108,5 @@ target_include_directories(inc
 target_link_libraries(inc
   INTERFACE Rust::rust_combined)
 if (Scylla_USE_PRECOMPILED_HEADER_USE)
-  target_link_libraries(inc PRIVATE Seastar::seastar)
   target_precompile_headers(inc REUSE_FROM scylla-precompiled-header)
 endif()

service/storage_service.cc

@@ -910,7 +910,7 @@ future<> storage_service::merge_topology_snapshot(raft_snapshot snp) {
                     frozen_muts_to_apply.push_back(co_await freeze_gently(mut));
                 } else {
                     co_await for_each_split_mutation(std::move(mut), max_size, [&] (mutation m) -> future<> {
-                        frozen_muts_to_apply.push_back(co_await freeze_gently(m));
+                        frozen_muts_to_apply.push_back(co_await freeze_gently(mut));
                     });
                 }
             }

test.py

@@ -181,7 +181,7 @@ def parse_cmd_line() -> argparse.Namespace:
                         help="Run only tests for given build mode(s)")
     parser.add_argument('--repeat', action="store", default="1", type=int,
                         help="number of times to repeat test execution")
-    parser.add_argument('--timeout', action="store", default="3600", type=int,
+    parser.add_argument('--timeout', action="store", default="24000", type=int,
                         help="timeout value for single test execution")
     parser.add_argument('--session-timeout', action="store", default="24000", type=int,
                         help="timeout value for test.py/pytest session execution")

test/boost/encrypted_file_test.cc

@@ -23,11 +23,8 @@
 #include "test/lib/tmpdir.hh"
 #include "test/lib/random_utils.hh"
 #include "test/lib/exception_utils.hh"
-#include "test/lib/limiting_data_source.hh"
 #include "utils/io-wrappers.hh"
 
-#include <seastar/util/memory-data-source.hh>
-
 using namespace encryption;
 
 static tmpdir dir;
@@ -598,113 +595,6 @@ SEASTAR_TEST_CASE(test_encrypted_data_source_simple) {
     co_await test_random_data_source(sizes);
 }
 
-// Reproduces the production deadlock where encrypted SSTable component downloads
-// got stuck during restore. The encrypted_data_source::get() caches a block in
-// _next, then on the next call bypasses input_stream::read()'s _eof check and
-// calls input_stream::read_exactly() — which does NOT check _eof when _buf is
-// empty. This causes a second get() on the underlying source after EOS.
-//
-// In production the underlying source was chunked_download_source whose get()
-// hung forever. Here we simulate it with a strict source that fails the test.
-//
-// The fix belongs in seastar's input_stream::read_exactly(): check _eof before
-// calling _fd.get(), consistent with read(), read_up_to(), and consume().
-static future<> test_encrypted_source_copy(size_t plaintext_size) {
-    testlog.info("test_encrypted_source_copy: plaintext_size={}", plaintext_size);
-
-    key_info info{"AES/CBC", 256};
-    auto k = ::make_shared<symmetric_key>(info);
-
-    // Step 1: Encrypt the plaintext into memory buffers
-    auto plaintext = generate_random<char>(plaintext_size);
-    std::vector<temporary_buffer<char>> encrypted_bufs;
-    {
-        data_sink sink(make_encrypted_sink(create_memory_sink(encrypted_bufs), k));
-        co_await sink.put(plaintext.clone());
-        co_await sink.close();
-    }
-
-    // Flatten encrypted buffers into a single contiguous buffer
-    size_t encrypted_total = 0;
-    for (const auto& b : encrypted_bufs) {
-        encrypted_total += b.size();
-    }
-    temporary_buffer<char> encrypted(encrypted_total);
-    size_t pos = 0;
-    for (const auto& b : encrypted_bufs) {
-        std::copy(b.begin(), b.end(), encrypted.get_write() + pos);
-        pos += b.size();
-    }
-
-    // Step 2: Create a data source from the encrypted data that fails on
-    // post-EOS get() — simulating a source like chunked_download_source
-    // that would hang forever in this situation.
-    class strict_memory_source final : public limiting_data_source_impl {
-        bool _eof = false;
-    public:
-        strict_memory_source(temporary_buffer<char> data, size_t chunk_size)
-            : limiting_data_source_impl(
-                data_source(std::make_unique<util::temporary_buffer_data_source>(std::move(data))),
-                chunk_size) {}
-
-        future<temporary_buffer<char>> get() override {
-            BOOST_REQUIRE_MESSAGE(!_eof,
-                "get() called on source after it already returned EOS — "
-                "this is the production deadlock: read_exactly() does not "
-                "check _eof before calling _fd.get()");
-            auto buf = co_await limiting_data_source_impl::get();
-            _eof = buf.empty();
-            co_return buf;
-        }
-    };
-
-    // Step 3: Wrap in encrypted_data_source and drain via consume() —
-    // the exact code path used by seastar::copy() which is what
-    // sstables_loader_helpers::download_sstable() calls.
-    // Try multiple chunk sizes to hit different alignment scenarios.
-    for (size_t chunk_size : {1ul, 7ul, 4096ul, 8192ul, encrypted_total, encrypted_total + 1}) {
-        if (chunk_size == 0) continue;
-        auto src = data_source(make_encrypted_source(
-            data_source(std::make_unique<strict_memory_source>(encrypted.clone(), chunk_size)), k));
-        auto in = input_stream<char>(std::move(src));
-
-        // consume() is what seastar::copy() uses internally. It calls
-        // encrypted_data_source::get() via _fd.get() until EOF.
-        size_t total_decrypted = 0;
-        co_await in.consume([&total_decrypted](temporary_buffer<char> buf) {
-            total_decrypted += buf.size();
-            return make_ready_future<consumption_result<char>>(continue_consuming{});
-        });
-        co_await in.close();
-
-        BOOST_REQUIRE_EQUAL(total_decrypted, plaintext_size);
-    }
-}
-
-SEASTAR_TEST_CASE(test_encrypted_source_copy_8k) {
-    co_await test_encrypted_source_copy(8192);
-}
-
-SEASTAR_TEST_CASE(test_encrypted_source_copy_4k) {
-    co_await test_encrypted_source_copy(4096);
-}
-
-SEASTAR_TEST_CASE(test_encrypted_source_copy_small) {
-    co_await test_encrypted_source_copy(100);
-}
-
-SEASTAR_TEST_CASE(test_encrypted_source_copy_12k) {
-    co_await test_encrypted_source_copy(12288);
-}
-
-SEASTAR_TEST_CASE(test_encrypted_source_copy_unaligned) {
-    co_await test_encrypted_source_copy(8193);
-}
-
-SEASTAR_TEST_CASE(test_encrypted_source_copy_1byte) {
-    co_await test_encrypted_source_copy(1);
-}
-
 
 SEASTAR_TEST_CASE(test_encrypted_data_source_fuzzy) {
     std::mt19937_64 rand_gen(std::random_device{}());

test/cluster/test_config.yaml

@@ -44,7 +44,6 @@ run_in_dev:
   - dtest/bypass_cache_test
   - dtest/auth_roles_test
   - dtest/audit_test
-  - audit/test_audit
   - dtest/commitlog_test
   - dtest/cfid_test
   - dtest/rebuild_test

test/cluster/test_hints.py

@@ -17,9 +17,9 @@ from test.pylib.manager_client import ManagerClient
 from test.pylib.rest_client import ScyllaMetricsClient, TCPRESTClient, inject_error
 from test.pylib.tablets import get_tablet_replicas
 from test.pylib.scylla_cluster import ReplaceConfig
-from test.pylib.util import gather_safely, wait_for
+from test.pylib.util import wait_for
 
-from test.cluster.util import get_topology_coordinator, find_server_by_host_id, keyspace_has_tablets, new_test_keyspace, new_test_table
+from test.cluster.util import get_topology_coordinator, find_server_by_host_id, new_test_keyspace
 
 
 logger = logging.getLogger(__name__)
@@ -51,42 +51,28 @@ async def await_sync_point(client: TCPRESTClient, server_ip: IPAddress, sync_poi
 @pytest.mark.asyncio
 async def test_write_cl_any_to_dead_node_generates_hints(manager: ManagerClient):
     node_count = 2
-    cmdline = ["--logger-log-level", "hints_manager=trace"]
-    servers = await manager.servers_add(node_count, cmdline=cmdline)
-
-    async def wait_for_hints_written(min_hint_count: int, timeout: int):
-        async def aux():
-            hints_written = await get_hint_metrics(manager.metrics, servers[0].ip_addr, "written")
-            if hints_written >= min_hint_count:
-                return True
-            return None
-        assert await wait_for(aux, time.time() + timeout)
+    servers = await manager.servers_add(node_count)
 
     cql = manager.get_cql()
     async with new_test_keyspace(manager, "WITH replication = {'class': 'NetworkTopologyStrategy', 'replication_factor': 1}") as ks:
-        uses_tablets = await keyspace_has_tablets(manager, ks)
-        # If the keyspace uses tablets, let's explicitly require the table to use multiple tablets.
-        # Otherwise, it could happen that all mutations would target servers[0] only, which would
-        # ultimately lead to a test failure here. We rely on the assumption that mutations will be
-        # distributed more or less uniformly!
-        extra_opts = "WITH tablets = {'min_tablet_count': 16}" if uses_tablets else ""
-        async with new_test_table(manager, ks, "pk int PRIMARY KEY, v int", extra_opts) as table:
-            await manager.server_stop_gracefully(servers[1].server_id)
+        table = f"{ks}.t"
+        await cql.run_async(f"CREATE TABLE {table} (pk int primary key, v int)")
 
-            hints_before = await get_hint_metrics(manager.metrics, servers[0].ip_addr, "written")
+        await manager.server_stop_gracefully(servers[1].server_id)
 
-            stmt = cql.prepare(f"INSERT INTO {table} (pk, v) VALUES (?, ?)")
-            stmt.consistency_level = ConsistencyLevel.ANY
+        hints_before = await get_hint_metrics(manager.metrics, servers[0].ip_addr, "written")
 
-            # Some of the inserts will be targeted to the dead node.
-            # The coordinator doesn't have live targets to send the write to, but it should write a hint.
-            await gather_safely(*[cql.run_async(stmt, (i, i + 1)) for i in range(100)])
+        # Some of the inserts will be targeted to the dead node.
+        # The coordinator doesn't have live targets to send the write to, but it should write a hint.
+        for i in range(100):
+            await cql.run_async(SimpleStatement(f"INSERT INTO {table} (pk, v) VALUES ({i}, {i+1})", consistency_level=ConsistencyLevel.ANY))
 
-            # Verify hints are written
-            await wait_for_hints_written(hints_before + 1, timeout=60)
+        # Verify hints are written
+        hints_after = await get_hint_metrics(manager.metrics, servers[0].ip_addr, "written")
+        assert hints_after > hints_before
 
-            # For dropping the keyspace
-            await manager.server_start(servers[1].server_id)
+        # For dropping the keyspace
+        await manager.server_start(servers[1].server_id)
 
 @pytest.mark.asyncio
 async def test_limited_concurrency_of_writes(manager: ManagerClient):

test/cluster/test_incremental_repair.py

@@ -151,7 +151,7 @@ async def trigger_tablet_merge(manager, servers, logs):
     await s1_log.wait_for('Detected tablet merge for table', from_mark=s1_mark)
     await inject_error_off(manager, "tablet_force_tablet_count_decrease", servers)
 
-async def prepare_cluster_for_incremental_repair(manager, nr_keys = 100 , cmdline = []):
+async def preapre_cluster_for_incremental_repair(manager, nr_keys = 100 , cmdline = []):
     servers, cql, hosts, ks, table_id = await create_table_insert_data_for_repair(manager, nr_keys=nr_keys, cmdline=cmdline)
     repaired_keys = set(range(0, nr_keys))
     unrepaired_keys = set()
@@ -164,7 +164,7 @@ async def prepare_cluster_for_incremental_repair(manager, nr_keys = 100 , cmdlin
 
 @pytest.mark.asyncio
 async def test_tablet_repair_sstable_skipped_read_metrics(manager: ManagerClient):
-    servers, cql, hosts, ks, table_id, logs, _, _, _, token = await prepare_cluster_for_incremental_repair(manager)
+    servers, cql, hosts, ks, table_id, logs, _, _, _, token = await preapre_cluster_for_incremental_repair(manager)
 
     await insert_keys(cql, ks, 0, 100)
 
@@ -274,7 +274,7 @@ async def test_tablet_incremental_repair_error(manager: ManagerClient):
 
 async def do_tablet_incremental_repair_and_ops(manager: ManagerClient, ops: str):
     nr_keys = 100
-    servers, cql, hosts, ks, table_id, logs, repaired_keys, unrepaired_keys, current_key, token = await prepare_cluster_for_incremental_repair(manager, nr_keys, cmdline=['--logger-log-level', 'compaction=debug'])
+    servers, cql, hosts, ks, table_id, logs, repaired_keys, unrepaired_keys, current_key, token = await preapre_cluster_for_incremental_repair(manager, nr_keys)
     token = -1
 
     await manager.api.tablet_repair(servers[0].ip_addr, ks, "test", token, incremental_mode='incremental')
@@ -335,7 +335,7 @@ async def test_tablet_incremental_repair_and_major(manager: ManagerClient):
 @pytest.mark.asyncio
 async def test_tablet_incremental_repair_and_minor(manager: ManagerClient):
     nr_keys = 100
-    servers, cql, hosts, ks, table_id, logs, repaired_keys, unrepaired_keys, current_key, token = await prepare_cluster_for_incremental_repair(manager, nr_keys)
+    servers, cql, hosts, ks, table_id, logs, repaired_keys, unrepaired_keys, current_key, token = await preapre_cluster_for_incremental_repair(manager, nr_keys)
 
     # Disable autocompaction
     for server in servers:
@@ -381,7 +381,7 @@ async def test_tablet_incremental_repair_and_minor(manager: ManagerClient):
 
 async def do_test_tablet_incremental_repair_with_split_and_merge(manager, do_split, do_merge):
     nr_keys = 100
-    servers, cql, hosts, ks, table_id, logs, repaired_keys, unrepaired_keys, current_key, token = await prepare_cluster_for_incremental_repair(manager, nr_keys)
+    servers, cql, hosts, ks, table_id, logs, repaired_keys, unrepaired_keys, current_key, token = await preapre_cluster_for_incremental_repair(manager, nr_keys)
 
     # First repair
     await manager.api.tablet_repair(servers[0].ip_addr, ks, "test", token, incremental_mode='incremental') # sstables_repaired_at 1
@@ -442,7 +442,7 @@ async def test_tablet_incremental_repair_with_merge(manager: ManagerClient):
 async def test_tablet_incremental_repair_existing_and_repair_produced_sstable(manager: ManagerClient):
     nr_keys = 100
     cmdline = ["--hinted-handoff-enabled", "0"]
-    servers, cql, hosts, ks, table_id, logs, repaired_keys, unrepaired_keys, current_key, token = await prepare_cluster_for_incremental_repair(manager, nr_keys, cmdline)
+    servers, cql, hosts, ks, table_id, logs, repaired_keys, unrepaired_keys, current_key, token = await preapre_cluster_for_incremental_repair(manager, nr_keys, cmdline)
 
     await manager.server_stop_gracefully(servers[1].server_id)
 
@@ -466,7 +466,7 @@ async def test_tablet_incremental_repair_existing_and_repair_produced_sstable(ma
 @pytest.mark.skip_mode(mode='release', reason='error injections are not supported in release mode')
 async def test_tablet_incremental_repair_merge_higher_repaired_at_number(manager):
     nr_keys = 100
-    servers, cql, hosts, ks, table_id, logs, repaired_keys, unrepaired_keys, current_key, token = await prepare_cluster_for_incremental_repair(manager, nr_keys)
+    servers, cql, hosts, ks, table_id, logs, repaired_keys, unrepaired_keys, current_key, token = await preapre_cluster_for_incremental_repair(manager, nr_keys)
 
     # First repair
     await manager.api.tablet_repair(servers[0].ip_addr, ks, "test", token, incremental_mode='incremental') # sstables_repaired_at 1
@@ -507,7 +507,7 @@ async def test_tablet_incremental_repair_merge_higher_repaired_at_number(manager
 @pytest.mark.skip_mode(mode='release', reason='error injections are not supported in release mode')
 async def test_tablet_incremental_repair_merge_correct_repaired_at_number_after_merge(manager):
     nr_keys = 100
-    servers, cql, hosts, ks, table_id, logs, repaired_keys, unrepaired_keys, current_key, token = await prepare_cluster_for_incremental_repair(manager, nr_keys)
+    servers, cql, hosts, ks, table_id, logs, repaired_keys, unrepaired_keys, current_key, token = await preapre_cluster_for_incremental_repair(manager, nr_keys)
 
     # First repair
     await manager.api.tablet_repair(servers[0].ip_addr, ks, "test", token, incremental_mode='incremental') # sstables_repaired_at 1
@@ -541,7 +541,7 @@ async def do_test_tablet_incremental_repair_merge_error(manager, error):
     nr_keys = 100
     # Make sure no data commit log replay after force server stop
     cmdline = ['--enable-commitlog', '0']
-    servers, cql, hosts, ks, table_id, logs, repaired_keys, unrepaired_keys, current_key, token = await prepare_cluster_for_incremental_repair(manager, nr_keys, cmdline)
+    servers, cql, hosts, ks, table_id, logs, repaired_keys, unrepaired_keys, current_key, token = await preapre_cluster_for_incremental_repair(manager, nr_keys, cmdline)
 
     # First repair
     await manager.api.tablet_repair(servers[0].ip_addr, ks, "test", token, incremental_mode='incremental') # sstables_repaired_at 1
@@ -587,7 +587,7 @@ async def test_tablet_incremental_repair_merge_error_in_merge_completion_fiber(m
 
 @pytest.mark.asyncio
 async def test_tablet_repair_with_incremental_option(manager: ManagerClient):
-    servers, cql, hosts, ks, table_id, logs, _, _, _, token = await prepare_cluster_for_incremental_repair(manager)
+    servers, cql, hosts, ks, table_id, logs, _, _, _, token = await preapre_cluster_for_incremental_repair(manager)
     token = -1
 
     sstables_repaired_at = 0
@@ -632,7 +632,7 @@ async def test_tablet_repair_with_incremental_option(manager: ManagerClient):
 
 @pytest.mark.asyncio
 async def test_incremental_repair_tablet_time_metrics(manager: ManagerClient):
-    servers, _, _, ks, _, _, _, _, _, token = await prepare_cluster_for_incremental_repair(manager)
+    servers, _, _, ks, _, _, _, _, _, token = await preapre_cluster_for_incremental_repair(manager)
     time1 = 0
     time2 = 0
 
@@ -820,7 +820,7 @@ async def test_repair_sigsegv_with_diff_shard_count(manager: ManagerClient, use_
 @pytest.mark.skip_mode(mode='release', reason='error injections are not supported in release mode')
 async def test_tablet_incremental_repair_table_drop_compaction_group_gone(manager: ManagerClient):
     cmdline = ['--logger-log-level', 'repair=debug']
-    servers, cql, hosts, ks, table_id, logs, _, _, _, _ = await prepare_cluster_for_incremental_repair(manager, cmdline=cmdline)
+    servers, cql, hosts, ks, table_id, logs, _, _, _, _ = await preapre_cluster_for_incremental_repair(manager, cmdline=cmdline)
 
     coord = await get_topology_coordinator(manager)
     coord_serv = await find_server_by_host_id(manager, servers, coord)

test/cluster/test_multidc.py

@@ -20,7 +20,6 @@ from cassandra.query import SimpleStatement
 from test.pylib.async_cql import _wrap_future
 from test.pylib.manager_client import ManagerClient
 from test.pylib.random_tables import RandomTables, TextType, Column
-from test.pylib.rest_client import read_barrier
 from test.pylib.util import unique_name
 from test.cluster.conftest import cluster_con
 
@@ -404,7 +403,6 @@ async def test_arbiter_dc_rf_rack_valid_keyspaces(manager: ManagerClient):
         for task in [*valid_keyspaces, *invalid_keyspaces]:
             _ = tg.create_task(task)
 
-@pytest.mark.asyncio
 async def test_startup_with_keyspaces_violating_rf_rack_valid_keyspaces(manager: ManagerClient):
     """
     This test verifies that starting a Scylla node fails when there's an RF-rack-invalid keyspace.
@@ -466,50 +464,22 @@ async def test_startup_with_keyspaces_violating_rf_rack_valid_keyspaces(manager:
         for rfs, tablets in valid_keyspaces:
             _ = tg.create_task(create_keyspace(rfs, tablets))
 
-    # Precondition: s1 has rf_rack_valid_keyspaces set to false.
-    # Postcondition: s1 still has rf_rack_valid_keyspaces set to false.
+    await manager.server_stop_gracefully(s1.server_id)
+    await manager.server_update_config(s1.server_id, "rf_rack_valid_keyspaces", "true")
+
     async def try_fail(rfs: List[int], dc: str, rf: int, rack_count: int):
-        running_servers = await manager.running_servers()
-        should_start = s1.server_id not in [server.server_id for server in running_servers]
-        if should_start:
-            await manager.server_start(s1.server_id)
-
         ks = await create_keyspace(rfs, True)
-        # We need to wait for the new schema to propagate.
-        # Otherwise, it's not clear when the mutation
-        # corresponding to the created keyspace will
-        # arrive at server 1.
-        # It could happen only after the node performs
-        # the check upon start-up, effectively leading
-        # to a successful start-up, which we don't want.
-        # For more context, see issue: SCYLLADB-1137.
-        await read_barrier(manager.api, s1.ip_addr)
-
-        await manager.server_stop_gracefully(s1.server_id)
-        await manager.server_update_config(s1.server_id, "rf_rack_valid_keyspaces", "true")
-
         err = f"The keyspace '{ks}' is required to be RF-rack-valid. " \
               f"That condition is violated for DC '{dc}': RF={rf} vs. rack count={rack_count}."
-        await manager.server_start(s1.server_id, expected_error=err)
+        _ = await manager.server_start(s1.server_id, expected_error=err)
         await cql.run_async(f"DROP KEYSPACE {ks}")
 
-        await manager.server_update_config(s1.server_id, "rf_rack_valid_keyspaces", "false")
-
     # Test RF-rack-invalid keyspaces.
     await try_fail([2, 0], "dc1", 2, 3)
     await try_fail([3, 2], "dc2", 2, 1)
     await try_fail([4, 1], "dc1", 4, 3)
 
-    # We need to perform a read barrier on the node to make
-    # sure that it processes the last DROP KEYSPACE.
-    # Otherwise, the node could think the RF-rack-invalid
-    # keyspace still exists.
-    await manager.server_start(s1.server_id)
-    await read_barrier(manager.api, s1.ip_addr)
-    await manager.server_stop_gracefully(s1.server_id)
-
-    await manager.server_update_config(s1.server_id, "rf_rack_valid_keyspaces", "true")
-    await manager.server_start(s1.server_id)
+    _ = await manager.server_start(s1.server_id)
 
 @pytest.mark.asyncio
 async def test_startup_with_keyspaces_violating_rf_rack_valid_keyspaces_but_not_enforced(manager: ManagerClient):

test/cluster/test_refresh.py

@@ -23,25 +23,10 @@ from test.cluster.object_store.conftest import format_tuples
 from test.cluster.object_store.test_backup import topo, take_snapshot, do_test_streaming_scopes
 from test.cluster.util import new_test_keyspace
 from test.pylib.rest_client import read_barrier
-from test.pylib.util import unique_name, wait_for
+from test.pylib.util import unique_name
 
 logger = logging.getLogger(__name__)
 
-
-async def wait_for_upload_dir_empty(upload_dir, timeout=30):
-    '''
-    Wait until the upload directory is empty with a timeout.
-    SSTable unlinking is asynchronous and in rare situations, it can happen
-    that not all sstables are deleted from the upload dir immediately after refresh is done.
-    '''
-    deadline = time.time() + timeout
-    async def check_empty():
-        files = os.listdir(upload_dir)
-        if not files:
-            return True
-        return None
-    await wait_for(check_empty, deadline, period=0.5)
-
 class SSTablesOnLocalStorage:
     def __init__(self):
         self.tmpdir = f'tmpbackup-{str(uuid.uuid4())}'
@@ -168,8 +153,7 @@ async def test_refresh_deletes_uploaded_sstables(manager: ManagerClient):
 
         for s in servers:
             cf_dir = dirs[s.server_id]["cf_dir"]
-            upload_dir = os.path.join(cf_dir, 'upload')
-            assert os.path.exists(upload_dir)
-            await wait_for_upload_dir_empty(upload_dir)
+            files = os.listdir(os.path.join(cf_dir, 'upload'))
+            assert files == [], f'Upload dir not empty on server {s.server_id}: {files}'
 
         shutil.rmtree(tmpbackup)

test/cluster/test_tombstone_gc.py

@@ -196,7 +196,7 @@ async def test_group0_tombstone_gc(manager: ManagerClient):
             tombstone_mark = datetime.now(timezone.utc)
 
             # test #2: the tombstones are not cleaned up when one node is down
-            with pytest.raises(AssertionError, match="timed out"):
+            with pytest.raises(AssertionError, match="Deadline exceeded"):
                 # waiting for shorter time (5s normally enough for a successful case, we expect the timeout here)
                 await verify_tombstone_gc(tombstone_mark, timeout=5)
 
@@ -249,7 +249,7 @@ async def test_group0_tombstone_gc(manager: ManagerClient):
             await wait_for_cql_and_get_hosts(cql, servers, time.time() + 60)
 
             # test #4a: the tombstones are not cleaned up after both live nodes join the new group0
-            with pytest.raises(AssertionError, match="timed out"):
+            with pytest.raises(AssertionError, match="Deadline exceeded"):
                 await verify_tombstone_gc(tombstone_mark, timeout=5)
 
             await manager.remove_node(servers[0].server_id, down_server.server_id)

test/cluster/util.py

@@ -165,7 +165,7 @@ async def wait_for_cdc_generations_publishing(cql: Session, hosts: list[Host], d
             unpublished_generations = topo_res[0].unpublished_cdc_generations
             return unpublished_generations is None or len(unpublished_generations) == 0 or None
 
-        await wait_for(all_generations_published, deadline=deadline)
+        await wait_for(all_generations_published, deadline=deadline, period=1.0)
 
 
 async def check_system_topology_and_cdc_generations_v3_consistency(manager: ManagerClient, live_hosts: list[Host], cqls: Optional[list[Session]] = None, ignored_hosts: list[Host] = []):
@@ -470,17 +470,6 @@ async def new_materialized_view(manager: ManagerClient, table, select, pk, where
         await manager.get_cql().run_async(f"DROP MATERIALIZED VIEW {mv}")
 
 
-async def keyspace_has_tablets(manager: ManagerClient, keyspace: str) -> bool:
-    """
-    Checks whether the given keyspace uses tablets.
-    Adapted from its counterpart in the cqlpy test: cqlpy/util.py::keyspace_has_tablets.
-    """
-    cql = manager.get_cql()
-    rows_iter = await cql.run_async(f"SELECT * FROM system_schema.scylla_keyspaces WHERE keyspace_name='{keyspace}'")
-    rows = list(rows_iter)
-    return len(rows) > 0 and getattr(rows[0], "initial_tablets", None) is not None
-
-
 async def get_raft_log_size(cql, host) -> int:
     query = "select count(\"index\") from system.raft"
     return (await cql.run_async(query, host=host))[0][0]

test/lib/limiting_data_source.cc

@@ -7,42 +7,54 @@
  */
 
 #include "limiting_data_source.hh"
+#include <seastar/core/iostream.hh>
+#include <seastar/core/temporary_buffer.hh>
+#include <cstdint>
 
 using namespace seastar;
 
-future<temporary_buffer<char>> limiting_data_source_impl::do_get() {
-    uint64_t size = std::min(_limit, _buf.size());
-    auto res = _buf.share(0, size);
-    _buf.trim_front(size);
-    return make_ready_future<temporary_buffer<char>>(std::move(res));
-}
+class limiting_data_source_impl final : public data_source_impl {
+    data_source _src;
+    size_t _limit;
+    temporary_buffer<char> _buf;
+    future<temporary_buffer<char>> do_get() {
+        uint64_t size = std::min(_limit, _buf.size());
+        auto res = _buf.share(0, size);
+        _buf.trim_front(size);
+        return make_ready_future<temporary_buffer<char>>(std::move(res));
+    }
+public:
+    limiting_data_source_impl(data_source&& src, size_t limit)
+        : _src(std::move(src))
+        , _limit(limit)
+    {}
 
-limiting_data_source_impl::limiting_data_source_impl(data_source&& src, size_t limit) : _src(std::move(src)), _limit(limit) {
-}
+    limiting_data_source_impl(limiting_data_source_impl&&) noexcept = default;
+    limiting_data_source_impl& operator=(limiting_data_source_impl&&) noexcept = default;
 
-future<temporary_buffer<char>> limiting_data_source_impl::get() {
-    if (_buf.empty()) {
+    virtual future<temporary_buffer<char>> get() override {
+        if (_buf.empty()) {
+            _buf.release();
+            return _src.get().then([this] (auto&& buf) {
+                _buf = std::move(buf);
+                return do_get();
+            });
+        }
+        return do_get();
+    }
+    virtual future<temporary_buffer<char>> skip(uint64_t n) override {
+        if (n < _buf.size()) {
+            _buf.trim_front(n);
+            return do_get();
+        }
+        n -= _buf.size();
         _buf.release();
-        return _src.get().then([this](auto&& buf) {
+        return _src.skip(n).then([this] (auto&& buf) {
             _buf = std::move(buf);
             return do_get();
         });
     }
-    return do_get();
-}
-
-future<temporary_buffer<char>> limiting_data_source_impl::skip(uint64_t n) {
-    if (n < _buf.size()) {
-        _buf.trim_front(n);
-        return do_get();
-    }
-    n -= _buf.size();
-    _buf.release();
-    return _src.skip(n).then([this](auto&& buf) {
-        _buf = std::move(buf);
-        return do_get();
-    });
-}
+};
 
 data_source make_limiting_data_source(data_source&& src, size_t limit) {
     return data_source{std::make_unique<limiting_data_source_impl>(std::move(src), limit)};

test/lib/limiting_data_source.hh

@@ -8,25 +8,13 @@
 
 #pragma once
 
-#include <seastar/core/iostream.hh>
-#include <seastar/core/temporary_buffer.hh>
+#include <stddef.h>
 
+namespace seastar {
 
-class limiting_data_source_impl : public seastar::data_source_impl {
-    seastar::data_source _src;
-    size_t _limit;
-    seastar::temporary_buffer<char> _buf;
-    seastar::future<seastar::temporary_buffer<char>> do_get();
+class data_source;
 
-public:
-    limiting_data_source_impl(seastar::data_source&& src, size_t limit);
-
-    limiting_data_source_impl(limiting_data_source_impl&&) noexcept = default;
-    limiting_data_source_impl& operator=(limiting_data_source_impl&&) noexcept = default;
-
-    seastar::future<seastar::temporary_buffer<char>> get() override;
-    seastar::future<seastar::temporary_buffer<char>> skip(uint64_t n) override;
-};
+}
 
 /// \brief Creates an data_source from another data_source but returns its data in chunks not bigger than a given limit
 ///

test/lib/proc_utils.cc

@@ -271,21 +271,10 @@ future<std::tuple<tests::proc::process_fixture, int>> tests::proc::start_docker_
             // arbitrary timeout of 120s for the server to make some output. Very generous.
             // but since we (maybe) run docker, and might need to pull image, this can take
             // some time if we're unlucky.
-            auto [f1, f2] = co_await with_timeout(std::chrono::steady_clock::now() + 120s, when_all(std::move(out_fut), std::move(err_fut)));
-            for (auto* f : {&f1, &f2}) {
-                if (f->failed()) {
-                    try {
-                        f->get();
-                    } catch (in_use&) {
-                        retry = true;
-                        p = std::current_exception();
-                    } catch (...) {
-                        if (!p) {
-                            p = std::current_exception();
-                        }
-                    }
-                }
-            }
+            co_await with_timeout(std::chrono::steady_clock::now() + 120s, when_all(std::move(out_fut), std::move(err_fut)));
+        } catch (in_use&) {
+            retry = true;
+            p = std::current_exception();
         } catch (...) {
             p = std::current_exception();
         }

test/pylib/manager_client.py

@@ -60,7 +60,6 @@ class ManagerClient:
         self.con_gen = con_gen
         self.ccluster: Optional[CassandraCluster] = None
         self.cql: Optional[CassandraSession] = None
-        self.exclusive_clusters: List[CassandraCluster] = []
         # A client for communicating with ScyllaClusterManager (server)
         self.sock_path = sock_path
         self.client_for_asyncio_loop = {asyncio.get_running_loop(): UnixRESTClient(sock_path)}
@@ -114,9 +113,6 @@ class ManagerClient:
 
     def driver_close(self) -> None:
         """Disconnect from cluster"""
-        for cluster in self.exclusive_clusters:
-            cluster.shutdown()
-        self.exclusive_clusters.clear()
         if self.ccluster is not None:
             logger.debug("shutting down driver")
             safe_driver_shutdown(self.ccluster)
@@ -138,12 +134,9 @@ class ManagerClient:
         hosts = await wait_for_cql_and_get_hosts(cql, servers, time() + 60)
         return cql, hosts
 
-    async def get_cql_exclusive(self, server: ServerInfo, auth_provider: Optional[AuthProvider] = None):
-        cluster = self.con_gen([server.ip_addr], self.port, self.use_ssl,
-                               auth_provider if auth_provider else self.auth_provider,
-                               WhiteListRoundRobinPolicy([server.ip_addr]))
-        self.exclusive_clusters.append(cluster)
-        cql = cluster.connect()
+    async def get_cql_exclusive(self, server: ServerInfo):
+        cql = self.con_gen([server.ip_addr], self.port, self.use_ssl, self.auth_provider,
+                                     WhiteListRoundRobinPolicy([server.ip_addr])).connect()
         await wait_for_cql_and_get_hosts(cql, [server], time() + 60)
         return cql
 

test/pylib/scylla_cluster.py

@@ -1394,11 +1394,7 @@ class ScyllaCluster:
                                    f"the test must drop all keyspaces it creates.")
         for server in itertools.chain(self.running.values(), self.stopped.values()):
             server.write_log_marker(f"------ Ending test {name} ------\n")
-            # Only close log files when the cluster is dirty (will be destroyed).
-            # If the cluster is clean and will be reused, keep the log file open
-            # so that write_log_marker() and take_log_savepoint() work in the
-            # next test's before_test().
-            if self.is_dirty and not server.log_file.closed:
+            if not server.log_file.closed:
                 server.log_file.close()
 
     async def server_stop(self, server_id: ServerNum, gracefully: bool) -> None:

test/pylib/util.py

@@ -56,25 +56,15 @@ def unique_name(unique_name_prefix = 'test_'):
 async def wait_for(
         pred: Callable[[], Awaitable[Optional[T]]],
         deadline: float,
-        period: float = 0.1,
+        period: float = 1,
         before_retry: Optional[Callable[[], Any]] = None,
-        backoff_factor: float = 1.5,
-        max_period: float = 1.0,
-        label: Optional[str] = None) -> T:
-    tag = label or getattr(pred, '__name__', 'unlabeled')
-    start = time.time()
-    retries = 0
+        backoff_factor: float = 1,
+        max_period: float = None) -> T:
     while True:
-        elapsed = time.time() - start
-        assert time.time() < deadline, \
-            f"wait_for({tag}) timed out after {elapsed:.2f}s ({retries} retries)"
+        assert(time.time() < deadline), "Deadline exceeded, failing test."
         res = await pred()
         if res is not None:
-            if retries > 0:
-                logger.debug(f"wait_for({tag}) completed "
-                            f"in {elapsed:.2f}s ({retries} retries)")
             return res
-        retries += 1
         await asyncio.sleep(period)
         period *= backoff_factor
         if max_period is not None:
@@ -283,14 +273,14 @@ async def wait_for_view_v1(cql: Session, name: str, node_count: int, timeout: in
         done = await cql.run_async(f"SELECT COUNT(*) FROM system_distributed.view_build_status WHERE status = 'SUCCESS' AND view_name = '{name}' ALLOW FILTERING")
         return done[0][0] == node_count or None
     deadline = time.time() + timeout
-    await wait_for(view_is_built, deadline, label=f"view_v1_{name}")
+    await wait_for(view_is_built, deadline)
 
 async def wait_for_view(cql: Session, name: str, node_count: int, timeout: int = 120):
     async def view_is_built():
         done = await cql.run_async(f"SELECT COUNT(*) FROM system.view_build_status_v2 WHERE status = 'SUCCESS' AND view_name = '{name}' ALLOW FILTERING")
         return done[0][0] == node_count or None
     deadline = time.time() + timeout
-    await wait_for(view_is_built, deadline, label=f"view_{name}")
+    await wait_for(view_is_built, deadline)
 
 
 async def wait_for_first_completed(coros: list[Coroutine], timeout: int|None = None):

test/scylla_gdb/gdb_utils.py

@@ -4,7 +4,7 @@
 """
 GDB helper functions for `scylla_gdb` tests.
 They should be loaded to GDB by "-x {dir}/gdb_utils.py}",
-when loaded, they can be run in gdb e.g. `$get_sstables()`
+when loaded, they can be run in gdb e.g. `python get_sstables()`
 
 Depends on helper functions injected to GDB by `scylla-gdb.py` script.
 (sharded, for_each_table, seastar_lw_shared_ptr, find_sstables, find_vptrs, resolve,
@@ -15,65 +15,39 @@ import gdb
 import uuid
 
 
-class get_schema(gdb.Function):
-    """Finds and returns a schema pointer."""
-
-    def __init__(self):
-        super(get_schema, self).__init__('get_schema')
-
-    def invoke(self):
-        db = sharded(gdb.parse_and_eval('::debug::the_database')).local()
-        table = next(for_each_table(db))
-        return seastar_lw_shared_ptr(table['_schema']).get()
+def get_schema():
+    """Execute GDB commands to get schema information."""
+    db = sharded(gdb.parse_and_eval('::debug::the_database')).local()
+    table = next(for_each_table(db))
+    ptr = seastar_lw_shared_ptr(table['_schema']).get()
+    print('schema=', ptr)
 
 
-class get_sstable(gdb.Function):
-    """Finds and returns an sstable pointer."""
-
-    def __init__(self):
-        super(get_sstable, self).__init__('get_sstable')
-
-    def invoke(self):
-        return next(find_sstables())
+def get_sstables():
+    """Execute GDB commands to get sstables information."""
+    sst = next(find_sstables())
+    print(f"sst=(sstables::sstable *)", sst)
 
 
-class get_task(gdb.Function):
+def get_task():
     """
-    Finds and returns a Scylla fiber task.
+    Some commands need a task to work on. The following fixture finds one.
     Because we stopped Scylla while it was idle, we don't expect to find
     any ready task with get_local_tasks(), but we can find one with a
     find_vptrs() loop. I noticed that a nice one (with multiple tasks chained
     to it for "scylla fiber") is one from http_server::do_accept_one.
     """
-    def __init__(self):
-        super(get_task, self).__init__('get_task')
-
-    def invoke(self):
-        for obj_addr, vtable_addr in find_vptrs():
-            name = resolve(vtable_addr, startswith='vtable for seastar::continuation')
-            if name and 'do_accept_one' in name:
-                return obj_addr.cast(gdb.lookup_type('uintptr_t'))
+    for obj_addr, vtable_addr in find_vptrs():
+        name = resolve(vtable_addr, startswith='vtable for seastar::continuation')
+        if name and 'do_accept_one' in name:
+            print(f"task={obj_addr.cast(gdb.lookup_type('uintptr_t'))}")
+            break
 
 
-class get_coroutine(gdb.Function):
-    """
-    Finds and returns a coroutine frame.
-    Prints COROUTINE_NOT_FOUND if the coroutine is not present.
-    """
-    def __init__(self):
-        super(get_coroutine, self).__init__('get_coroutine')
-
-    def invoke(self):
-        target = 'service::topology_coordinator::run() [clone .resume]'
-        for obj_addr, vtable_addr in find_vptrs():
-            name = resolve(vtable_addr)
-            if name and name.strip() == target:
-                return obj_addr.cast(gdb.lookup_type('uintptr_t'))
-        print("COROUTINE_NOT_FOUND")
-
-
-# Register the functions in GDB
-get_schema()
-get_sstable()
-get_task()
-get_coroutine()
+def get_coroutine():
+    """Similar to get_task(), but looks for a coroutine frame."""
+    target = 'service::topology_coordinator::run() [clone .resume]'
+    for obj_addr, vtable_addr in find_vptrs():
+        name = resolve(vtable_addr)
+        if name and name.strip() == target:
+            print(f"coroutine_config={obj_addr.cast(gdb.lookup_type('uintptr_t'))}")

test/scylla_gdb/test_schema_commands.py

@@ -7,6 +7,7 @@ Each only checks that the command does not fail - but not what it does or return
 """
 
 import pytest
+import re
 
 from test.scylla_gdb.conftest import execute_gdb_command
 
@@ -22,6 +23,20 @@ pytestmark = [
     ),
 ]
 
+
+@pytest.fixture(scope="module")
+def schema(gdb_cmd):
+    """
+    Returns pointer to schema of the first table it finds
+    Even without any user tables, we will always have system tables.
+    """
+    result = execute_gdb_command(gdb_cmd, full_command="python get_schema()").stdout
+    match = re.search(r"schema=\s*(0x[0-9a-fA-F]+)", result)
+    schema_pointer = match.group(1) if match else None
+
+    return schema_pointer
+
+
 @pytest.mark.parametrize(
     "command",
     [
@@ -30,17 +45,21 @@ pytestmark = [
         "schema (const schema *)",  # `schema` requires type-casted pointer
     ],
 )
-def test_schema(gdb_cmd, command):
-    result = execute_gdb_command(gdb_cmd, f"{command} $get_schema()")
+def test_schema(gdb_cmd, command, schema):
+    assert schema, "Failed to find schema of any table"
+
+    result = execute_gdb_command(gdb_cmd, f"{command} {schema}")
     assert result.returncode == 0, (
         f"GDB command {command} failed. stdout: {result.stdout} stderr: {result.stderr}"
     )
 
 
-def test_generate_object_graph(gdb_cmd, request):
+def test_generate_object_graph(gdb_cmd, schema, request):
+    assert schema, "Failed to find schema of any table"
+
     tmpdir = request.config.getoption("--tmpdir")
     result = execute_gdb_command(
-        gdb_cmd, f"generate-object-graph -o {tmpdir}/og.dot -d 2 -t 10 $get_schema()"
+        gdb_cmd, f"generate-object-graph -o {tmpdir}/og.dot -d 2 -t 10 {schema}"
     )
     assert result.returncode == 0, (
         f"GDB command `generate-object-graph` failed. stdout: {result.stdout} stderr: {result.stderr}"

test/scylla_gdb/test_sstable_commands.py

@@ -7,6 +7,7 @@ Each only checks that the command does not fail - but not what it does or return
 """
 
 import pytest
+import re
 
 from test.scylla_gdb.conftest import execute_gdb_command
 
@@ -23,6 +24,16 @@ pytestmark = [
 ]
 
 
+@pytest.fixture(scope="module")
+def sstable(gdb_cmd):
+    """Finds sstable"""
+    result = execute_gdb_command(gdb_cmd, full_command="python get_sstables()").stdout
+    match = re.search(r"(\(sstables::sstable \*\) 0x)([0-9a-f]+)", result)
+    sstable_pointer = match.group(0).strip() if match else None
+
+    return sstable_pointer
+
+
 @pytest.mark.parametrize(
     "command",
     [
@@ -30,8 +41,10 @@ pytestmark = [
         "sstable-index-cache",
     ],
 )
-def test_sstable(gdb_cmd, command):
-    result = execute_gdb_command(gdb_cmd, f"{command} $get_sstable()")
+def test_sstable(gdb_cmd, command, sstable):
+    assert sstable, "No sstable was found"
+
+    result = execute_gdb_command(gdb_cmd, f"{command} {sstable}")
     assert result.returncode == 0, (
         f"GDB command {command} failed. stdout: {result.stdout} stderr: {result.stderr}"
     )

test/scylla_gdb/test_task_commands.py

@@ -6,6 +6,8 @@ Tests for commands, that need a some task to work on.
 Each only checks that the command does not fail - but not what it does or returns.
 """
 
+import re
+
 import pytest
 
 from test.scylla_gdb.conftest import execute_gdb_command
@@ -23,25 +25,59 @@ pytestmark = [
 ]
 
 
-def test_coroutine_frame(gdb_cmd):
+@pytest.fixture(scope="module")
+def task(gdb_cmd):
+    """
+    Finds a Scylla fiber task using a `find_vptrs()` loop.
+
+    Since Scylla is fresh‑booted, `get_local_tasks()` returns nothing.
+    Nevertheless, a `find_vptrs()` scan can still discover the first task
+    skeleton created by `http_server::do_accept_one` (often the earliest
+    “Scylla fiber” to appear).
+    """
+    result = execute_gdb_command(gdb_cmd, full_command="python get_task()").stdout
+    match = re.search(r"task=(\d+)", result)
+    task = match.group(1) if match else None
+    return task
+
+
+@pytest.fixture(scope="module")
+def coroutine_task(gdb_cmd, scylla_server):
+    """
+    Finds a coroutine task, similar to the `task` fixture.
+
+    This fixture executes the `coroutine_config` script in GDB to locate a
+    specific coroutine task.
+    """
+    result = execute_gdb_command(gdb_cmd, full_command="python get_coroutine()").stdout
+    match = re.search(r"coroutine_config=\s*(.*)", result)
+    if not match:
+        # See https://github.com/scylladb/scylladb/issues/22501
+        pytest.skip("Failed to find coroutine task. Skipping test.")
+
+    return match.group(1).strip()
+
+
+def test_coroutine_frame(gdb_cmd, coroutine_task):
     """
     Offsets the pointer by two words to shift from the outer coroutine frame
     to the inner `seastar::task`, as required by `$coro_frame`, which expects
     a `seastar::task*`.
     """
+    assert coroutine_task, "No coroutine task was found"
+
     result = execute_gdb_command(
-        gdb_cmd, full_command="p *$coro_frame($get_coroutine() + 16)"
+        gdb_cmd, full_command=f"p *$coro_frame({coroutine_task} + 16)"
     )
-    if "COROUTINE_NOT_FOUND" in result.stdout:
-        # See https://github.com/scylladb/scylladb/issues/22501
-        pytest.skip("Failed to find coroutine task. Skipping test.")
     assert result.returncode == 0, (
         f"GDB command `coro_frame` failed. stdout: {result.stdout} stderr: {result.stderr}"
     )
 
 
-def test_fiber(gdb_cmd):
-    result = execute_gdb_command(gdb_cmd, "fiber $get_task()")
+def test_fiber(gdb_cmd, task):
+    assert task, f"No task was found using `find_vptrs()`"
+
+    result = execute_gdb_command(gdb_cmd, f"fiber {task}")
     assert result.returncode == 0, (
         f"GDB command `fiber` failed. stdout: {result.stdout} stderr: {result.stderr}"
     )

utils/directories.cc

@@ -10,7 +10,6 @@
 #include <seastar/core/seastar.hh>
 #include <seastar/core/coroutine.hh>
 #include <seastar/coroutine/parallel_for_each.hh>
-#include <seastar/util/closeable.hh>
 #include "init.hh"
 #include "supervisor.hh"
 #include "directories.hh"