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b0058af417
add-ec-vacuum
add-filer-iam-grpc
add-iam-grpc-management
add_fasthttp_client
add_remote_storage
adding-message-queue-integration-tests
adjust-fsck-cutoff-default
also-delete-parent-directory-if-empty
avoid_releasing_temp_file_on_write
changing-to-zap
collect-public-metrics
copilot/fix-helm-chart-installation
copilot/fix-s3-object-tagging-issue
copilot/make-renew-interval-configurable
copilot/make-renew-interval-configurable-again
copilot/sub-pr-7677
create-table-snapshot-api-design
data_query_pushdown
dependabot/maven/other/java/client/com.google.protobuf-protobuf-java-3.25.5
dependabot/maven/other/java/examples/org.apache.hadoop-hadoop-common-3.4.0
detect-and-plan-ec-tasks
do-not-retry-if-error-is-NotFound
ec-disk-type-support
enhance-erasure-coding
fasthttp
feature/mini-port-detection
feature/modernize-s3-tests
feature/s3-multi-cert-support
filer1_maintenance_branch
fix-GetObjectLockConfigurationHandler
fix-bucket-name-case-7910
fix-helm-fromtoml-compatibility
fix-mount-http-parallelism
fix-mount-read-throughput-7504
fix-pr-7909
fix-s3-configure-consistency
fix-s3-object-tagging-issue-7589
fix-sts-session-token-7941
fix-versioning-listing-only
fix/windows-test-file-cleanup
ftp
gh-pages
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iam-permissions-and-api
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logrus
master
message_send
mount2
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nfs-cookie-prefix-list-fixes
optimize-delete-lookups
original_weed_mount
pr-7412
pr/7984
pr/8140
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refactor-needle-read-operations
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remote_overlay
remove-implicit-directory-handling
revert-5134-patch-1
revert-5819-patch-1
revert-6434-bugfix-missing-s3-audit
s3-remote-cache-singleflight
s3-select
s3tables-by-claude
sub
tcp_read
test-reverting-lock-table
test_udp
testing
testing-sdx-generation
tikv
track-mount-e2e
upgrade-versions-to-4.00
volume_buffered_writes
worker-execute-ec-tasks
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chrislu
b0058af417
The IAM server creates and uses a MasterClient but never started
KeepConnectedToMaster, which could cause blocking if IAM config files
have chunks requiring volume lookups.
Problem flow:
NewIamApiServerWithStore()
→ creates masterClient
→ ❌ NEVER starts KeepConnectedToMaster
GetS3ApiConfigurationFromFiler()
→ filer.ReadEntry(iama.masterClient, ...)
→ StreamContent(masterClient, ...) if file has chunks
→ masterClient.GetLookupFileIdFunction()
→ GetMaster(ctx) ← BLOCKS indefinitely waiting for connection!
While IAM config files (identity & policies) are typically small and
stored inline without chunks, the code path exists and would block
if the files ever had chunks.
Fix:
Start KeepConnectedToMaster in background goroutine right after
creating masterClient, following the documented pattern:
mc := wdclient.NewMasterClient(...)
go mc.KeepConnectedToMaster(ctx)
This ensures masterClient is usable if ReadEntry ever needs to
stream chunked content from volume servers.
Note: This bug was dormant because IAM config files are small (<256 bytes)
and SeaweedFS stores small files inline in Entry.Content, not as chunks.
The bug would only manifest if:
- IAM config grew > 256 bytes (inline threshold)
- Config was stored as chunks on volume servers
- ReadEntry called StreamContent
- GetMaster blocked indefinitely
Now all 9 production MasterClient instances correctly follow the pattern.
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