Retry packer builds on transient WinRM failures#712
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Packer occasionally fails with transient WinRM upload errors like "Error removing temporary file ... received error response" which wastes the entire build. Add a retry loop (3 attempts, 30s delay) around New-AzSharedWorkerImage in all SIG workflows. Uses $LASTEXITCODE since packer is a native command that won't throw PowerShell exceptions. Applied to: sig-FXCI-nontrusted-parallel-build-alpha, sig-nontrusted, sig-trusted, sig-monitor-nontrusted, DEV-sig-nontrusted.
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Summary
Error removing temporary file ... received error response), wasting 12+ minute builds and blocking downstream SBOM/os-integration jobs.New-AzSharedWorkerImagein all SIG workflows.$LASTEXITCODEto detect failure sincepacker buildis a native command that doesn't throw PowerShell exceptions.Workflows updated:
sig-FXCI-nontrusted-parallel-build-alpha.ymlsig-nontrusted.ymlsig-trusted.ymlsig-monitor-nontrusted.ymlDEV-sig-nontrusted.ymlExample failure: https://github.com/mozilla-platform-ops/worker-images/actions/runs/21991206612/job/63538558857
Test plan
Packer attempt 1 of 3)