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electron/.github/workflows/clean-orphaned-cache-uploads.yml
Samuel Attard 983ebdd6de ci: make src-cache upload atomic (#50743)
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.
2026-04-06 16:04:49 -04:00

33 lines
1.0 KiB
YAML

name: Clean Orphaned Cache Uploads
# Description:
# Sweeps orphaned in-flight upload temp files left on the src-cache volumes
# by checkout/action.yml when its cp-to-share step dies before the rename.
# A successful upload finishes in minutes, so anything older than 4h is dead.
on:
schedule:
- cron: "0 */4 * * *"
workflow_dispatch:
permissions: {}
jobs:
clean-orphaned-uploads:
if: github.repository == 'electron/electron'
runs-on: electron-arc-centralus-linux-amd64-32core
permissions:
contents: read
container:
image: ghcr.io/electron/build:bc2f48b2415a670de18d13605b1cf0eb5fdbaae1
options: --user root
volumes:
- /mnt/cross-instance-cache:/mnt/cross-instance-cache
- /mnt/win-cache:/mnt/win-cache
steps:
- name: Remove Orphaned Upload Temp Files
shell: bash
run: |
find /mnt/cross-instance-cache -maxdepth 1 -type f -name '*.tar.upload-*' -mmin +240 -print -delete
find /mnt/win-cache -maxdepth 1 -type f -name '*.tar.upload-*' -mmin +240 -print -delete