Files
seaweedfs/weed
Khris RichardsonandClaude Opus 5.5 b881982d2c s3/iam: keep config-file OIDC providers out of a persistent store
Review of the previous commit found that mirroring the IAM config file's
providers into a persistent store, and pruning them when they leave the
file, breaks as soon as S3 servers share a filer:

- a server prunes stored config-file providers its own file does not list,
  including ones a peer's file still defines (a zero-config server prunes
  them all);
- mirroring overwrites an API-created provider with the same ARN and marks
  it config-owned, so a later prune deletes it;
- a failed mirror write or a failed prune leaves a stale record trusted;
- a mirrored record is loaded into STS at startup as an IAM-managed provider
  and shadows the config-file provider, dropping the settings a record does
  not carry (jwksUri, roleMapping, policyClaim, ...).

A persistent store now never receives the config file's providers. STS keeps
serving them from its static configuration, as it always has; the IAM API
lists and returns them from memory, refuses to change or delete them
(UnmodifiableEntity; change them in the file) and to create another provider
with their ARN (EntityAlreadyExists). The store holds only providers created
through the IAM API, and those are what startup loads into STS. There is
nothing to prune, so the source marker is gone. An in-memory store keeps its
behaviour: the config file's providers are records in it, as before.

buildOIDCProviderFromRecord also carries PolicyClaim and
AllowedPrincipalTagKeys now; they were dropped whenever an API-created
provider was loaded into STS.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
2026-09-28 13:50:53 -07:00
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2026-04-23 10:05:51 -07:00
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