|
1 | | -name: Cleanup github runner caches on closed pull requests |
| 1 | +name: Cleanup github runner caches |
2 | 2 | on: |
3 | | - pull_request: |
| 3 | + # pull_request_target is required so fork PRs can delete their own caches on close. |
| 4 | + # pull_request from a fork ships a read-only GITHUB_TOKEN regardless of the |
| 5 | + # permissions: block, causing gh cache delete to fail with HTTP 403. |
| 6 | + # Safe here: no PR code is checked out, the workflow only calls gh cache list/delete. |
| 7 | + pull_request_target: |
4 | 8 | types: |
5 | 9 | - closed |
| 10 | + # Daily cleanup of stale julia caches on long-lived branches. julia-actions/cache@v3 |
| 11 | + # does not run delete-old-caches on the default branch (by design, to avoid races |
| 12 | + # between concurrent runs), so caches accumulate. This job keeps only the newest |
| 13 | + # cache per (workflow, os) tuple. |
| 14 | + schedule: |
| 15 | + - cron: "0 4 * * *" |
| 16 | + workflow_dispatch: |
6 | 17 |
|
7 | 18 | jobs: |
8 | | - cleanup: |
| 19 | + cleanup-pr: |
| 20 | + if: github.event_name == 'pull_request_target' |
9 | 21 | runs-on: ubuntu-latest |
10 | 22 | permissions: |
11 | 23 | actions: write |
|
61 | 73 | GH_TOKEN: ${{ github.token }} |
62 | 74 | GH_REPO: ${{ github.repository }} |
63 | 75 | BRANCH: refs/pull/${{ github.event.pull_request.number }}/merge |
| 76 | + |
| 77 | + cleanup-branches: |
| 78 | + if: github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' |
| 79 | + runs-on: ubuntu-latest |
| 80 | + permissions: |
| 81 | + actions: write |
| 82 | + strategy: |
| 83 | + fail-fast: false |
| 84 | + matrix: |
| 85 | + ref: |
| 86 | + - refs/heads/main |
| 87 | + - refs/heads/v1.9 |
| 88 | + steps: |
| 89 | + - name: Cleanup stale julia caches on ${{ matrix.ref }} |
| 90 | + run: | |
| 91 | + echo "::group::Julia cache list for $REF" |
| 92 | +
|
| 93 | + # Filter at source with --key (prefix match) so non-julia caches |
| 94 | + # don't push stale julia entries past the --limit window. |
| 95 | + caches=$(gh cache list --ref "$REF" --key julia-cache --limit 100 --json id,key,createdAt,sizeInBytes) |
| 96 | + total=$(echo "$caches" | jq 'length') |
| 97 | +
|
| 98 | + echo "Found $total julia cache(s) on $REF" |
| 99 | +
|
| 100 | + if [ "$total" -eq 0 ]; then |
| 101 | + echo "::endgroup::" |
| 102 | + echo "::notice::No julia caches on $REF" |
| 103 | + exit 0 |
| 104 | + fi |
| 105 | +
|
| 106 | + # Group key is the cache key with run_id=... onwards stripped. |
| 107 | + # Sort by createdAt descending so the newest cache per group comes first; |
| 108 | + # awk keeps the first occurrence of each group (newest) and prints the rest. |
| 109 | + toDelete=$(echo "$caches" \ |
| 110 | + | jq -r '.[] | "\(.createdAt)|\(.id)|\(.sizeInBytes)|\(.key | split(";run_id=") | .[0])"' \ |
| 111 | + | sort -r \ |
| 112 | + | awk -F'|' 'seen[$4]++ { print $2 "|" $3 "|" $4 }') |
| 113 | +
|
| 114 | + deleteCount=$(echo "$toDelete" | grep -c '|' || true) |
| 115 | + keepCount=$((total - deleteCount)) |
| 116 | +
|
| 117 | + echo "Will delete $deleteCount stale cache(s), keep $keepCount newest per (workflow, os)" |
| 118 | + echo "::endgroup::" |
| 119 | +
|
| 120 | + if [ "$deleteCount" -eq 0 ]; then |
| 121 | + echo "::notice::Nothing to delete on $REF - all caches are already the newest per (workflow, os)" |
| 122 | + exit 0 |
| 123 | + fi |
| 124 | +
|
| 125 | + ## Do not fail the workflow on a single delete error. |
| 126 | + set +e |
| 127 | +
|
| 128 | + echo "::group::Deleting stale caches" |
| 129 | + deleted=0 |
| 130 | + failed=0 |
| 131 | + freedMb=0 |
| 132 | +
|
| 133 | + while IFS='|' read -r id size group; do |
| 134 | + [ -z "$id" ] && continue |
| 135 | + mb=$((size / 1024 / 1024)) |
| 136 | + echo "Deleting cache $id (${mb}MB) - group: $group" |
| 137 | + if gh cache delete "$id"; then |
| 138 | + echo " ✓ deleted" |
| 139 | + deleted=$((deleted + 1)) |
| 140 | + freedMb=$((freedMb + mb)) |
| 141 | + else |
| 142 | + echo " ✗ failed" |
| 143 | + failed=$((failed + 1)) |
| 144 | + fi |
| 145 | + done <<< "$toDelete" |
| 146 | +
|
| 147 | + echo "::endgroup::" |
| 148 | +
|
| 149 | + echo "::notice::Cleanup complete on $REF: $deleted deleted (${freedMb}MB freed), $failed failed" |
| 150 | + env: |
| 151 | + GH_TOKEN: ${{ github.token }} |
| 152 | + GH_REPO: ${{ github.repository }} |
| 153 | + REF: ${{ matrix.ref }} |
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