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Fusion v2.5.5

Fusion

How to pin this version​

fusion {
  enabled = true
  containerConfigUrl = 'https://fusionfs.seqera.io/releases/v2.5.5-amd64.json'
}
info

For ARM64 CPU architecture, use containerConfigUrl = 'https://fusionfs.seqera.io/releases/v2.5.5-arm64.json'.

Feature updates and improvements​

Release v2.5.5 with GCP snapshot support, critical race condition fixes, dependency updates, and improved reliability.

  • GCP Snapshot support: Add Google Batch (GCP) support for snapshots with comprehensive compute environment detection and metadata client integration.
  • Locking documentation: Add comprehensive lock documentation to entryService including invariants, lock upgrade patterns, and TOCTOU prevention.
  • Snapshot version: Bump fusion-snapshot to v1.7.0 with GCP support.
  • Preemption handling: Improve logging and handling of instance reclamation/spot termination events.
  • Nextflow pinning: Pin Nextflow to 25.04.8 in CI to work around AWS authentication issues in 25.10.0.
  • Bumped AWS SDK v2 components (1.19.11 → 1.19.13, 1.88.3 → 1.88.5, etc.)
  • Bumped Azure SDK for Go (1.6.2 → 1.6.3, azidentity 1.12.0 → 1.13.0)
  • Bumped Google APIs (0.251.0 → 0.252.0)
  • Bumped golang.org/x/sys (0.36.0 → 0.37.0)
  • Bumped failsafe-go (0.9.0 → 0.9.1)

Critical fixes​

  • Race Condition Fixes:
    • Resolve multiple race conditions in entry service operations.
    • Fix directory iteration race by consolidating lock scope.
    • Add lock condition re-evaluation after write lock acquisition to prevent TOCTOU issues.
  • Priority test reliability: Improve TestBandwidthExecutor/PriorityExecution statistical reliability by increasing buffer and task counts.
  • Directory operations: Ensure rmdir() properly fails on non-empty directories.
  • License tests: Update test certificates to expire in 40 years (2065) to prevent test failures.