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a0f042f8d3
ci: make src-cache upload atomic and sweep orphaned temp files The checkout action's cp of the ~6GB zstd archive directly to the final path on the cache share is non-atomic; an interrupted copy or a concurrent reader produces zstd "Read error (39): premature end" on restore, and the truncated file then satisfies the existence check so no later run repairs it. Upload to a run-unique *.tar.upload-<run_id>-<attempt> temp name on the share and mv to the final path, discarding our temp if a concurrent run got there first. A new clean-orphaned-cache-uploads workflow removes temp files older than 4h every 4 hours. Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com> Co-authored-by: Sam Attard <sattard@anthropic.com>
33 lines
1.0 KiB
YAML
33 lines
1.0 KiB
YAML
name: Clean Orphaned Cache Uploads
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# Description:
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# Sweeps orphaned in-flight upload temp files left on the src-cache volumes
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# by checkout/action.yml when its cp-to-share step dies before the rename.
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# A successful upload finishes in minutes, so anything older than 4h is dead.
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on:
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schedule:
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- cron: "0 */4 * * *"
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workflow_dispatch:
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permissions: {}
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jobs:
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clean-orphaned-uploads:
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if: github.repository == 'electron/electron'
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runs-on: electron-arc-centralus-linux-amd64-32core
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permissions:
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contents: read
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container:
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image: ghcr.io/electron/build:bc2f48b2415a670de18d13605b1cf0eb5fdbaae1
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options: --user root
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volumes:
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- /mnt/cross-instance-cache:/mnt/cross-instance-cache
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- /mnt/win-cache:/mnt/win-cache
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steps:
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- name: Remove Orphaned Upload Temp Files
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shell: bash
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run: |
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find /mnt/cross-instance-cache -maxdepth 1 -type f -name '*.tar.upload-*' -mmin +240 -print -delete
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find /mnt/win-cache -maxdepth 1 -type f -name '*.tar.upload-*' -mmin +240 -print -delete
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