Prune Old Workflow Runs #63
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| name: Prune Old Workflow Runs | |
| on: | |
| schedule: | |
| # Run daily at 2 AM UTC | |
| - cron: '0 2 * * *' | |
| workflow_dispatch: | |
| inputs: | |
| days_to_keep: | |
| description: 'Number of days to keep workflow runs (default: 60)' | |
| required: false | |
| default: '60' | |
| type: string | |
| permissions: | |
| actions: write | |
| contents: read | |
| jobs: | |
| delete-old-runs: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Install jq | |
| run: sudo apt-get update && sudo apt-get install -y jq | |
| - name: Delete old workflow runs | |
| run: | | |
| # Calculate cutoff date | |
| CUTOFF_DAYS=${{ github.event.inputs.days_to_keep || 60 }} | |
| CUTOFF_DATE=$(date -d "$CUTOFF_DAYS days ago" -u +"%Y-%m-%dT%H:%M:%SZ") | |
| echo "=== Workflow Run Cleanup ===" | |
| echo "Retention period: $CUTOFF_DAYS days" | |
| echo "Cutoff date: $CUTOFF_DATE" | |
| echo "Current date: $(date -u +"%Y-%m-%dT%H:%M:%SZ")" | |
| echo "" | |
| # Get total count of all runs (GitHub CLI has a max limit of 1000 per request) | |
| TOTAL_RUNS=$(gh run list --repo ${{ github.repository }} --limit 1000 --json databaseId | jq length) | |
| echo "Total workflow runs found in first 1000: $TOTAL_RUNS" | |
| echo "Note: GitHub CLI limits to 1000 runs per request. We'll process in batches." | |
| # Get total count and calculate last page | |
| TOTAL_COUNT=$(gh api "repos/${{ github.repository }}/actions/runs?per_page=1" --jq '.total_count') | |
| LAST_PAGE=$(( (TOTAL_COUNT + 99) / 100 )) # Round up division | |
| START_PAGE=$LAST_PAGE # Start from the last page (oldest runs) | |
| echo "Total workflow runs: $TOTAL_COUNT" | |
| echo "Total pages: $LAST_PAGE" | |
| echo "Starting from page $START_PAGE (oldest runs) and going forward..." | |
| echo "Will process pages $START_PAGE through 1 (newest runs)" | |
| DELETED_COUNT=0 | |
| MAX_DELETIONS=300 # Rate limit: 1000 requests per hour, cap at 300 for safety | |
| for PAGE in $(seq $START_PAGE -1 1); do | |
| # Check if we've reached the rate limit BEFORE processing | |
| if [ $DELETED_COUNT -ge $MAX_DELETIONS ]; then | |
| echo "Reached rate limit of $MAX_DELETIONS deletions. Stopping to avoid API limits." | |
| break | |
| fi | |
| echo "Processing page $PAGE (oldest to newest)... (deleted so far: $DELETED_COUNT)" | |
| # Get runs from this page using GitHub API | |
| echo "Fetching page $PAGE from GitHub API..." | |
| RUNS_JSON=$(gh api "repos/${{ github.repository }}/actions/runs?per_page=100&page=$PAGE" --jq '.workflow_runs[] | select(.status == "completed" and .created_at < "'$CUTOFF_DATE'" and .name != "Prune Old Workflow Runs" and (.head_branch | test("^[0-9]+\\.[0-9]+\\.[0-9]+(-.*)?$") | not)) | {id: .id, created_at: .created_at, name: .name, head_branch: .head_branch}') | |
| if [ -z "$RUNS_JSON" ] || [ "$RUNS_JSON" = "null" ]; then | |
| echo "No more old runs found on page $PAGE. Stopping." | |
| break | |
| fi | |
| # Extract run IDs | |
| RUN_IDS=$(echo "$RUNS_JSON" | jq -r '.id') # Process all runs found on this page | |
| RUN_COUNT=$(echo "$RUN_IDS" | wc -l) | |
| echo "Found $RUN_COUNT old runs on page $PAGE" | |
| if [ "$RUN_COUNT" -eq 0 ]; then | |
| echo "No runs to delete on this page. Moving to next page." | |
| continue | |
| fi | |
| # Show some sample runs we're about to delete | |
| echo "Sample runs to delete:" | |
| echo "$RUNS_JSON" | jq -r '. | " - \(.name) (\(.head_branch)) (\(.created_at))"' | head -5 | |
| # Delete runs one by one with delays | |
| for run_id in $RUN_IDS; do | |
| if [ -n "$run_id" ]; then | |
| echo "Deleting workflow run: $run_id" | |
| if gh run delete --repo ${{ github.repository }} "$run_id"; then | |
| echo "Successfully deleted run: $run_id" | |
| DELETED_COUNT=$((DELETED_COUNT + 1)) | |
| # Check rate limit after each deletion | |
| if [ $DELETED_COUNT -ge $MAX_DELETIONS ]; then | |
| echo "Reached rate limit of $MAX_DELETIONS deletions. Stopping." | |
| break 2 # Break out of both loops | |
| fi | |
| else | |
| echo "Failed to delete run: $run_id" | |
| fi | |
| # Add delay between deletions to avoid rate limiting | |
| sleep 1 | |
| fi | |
| done | |
| # Small delay to avoid rate limiting | |
| sleep 2 | |
| done | |
| echo "Deletion process completed. Total deleted: $DELETED_COUNT" | |
| env: | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Summary | |
| run: | | |
| echo "Cleanup completed. Remaining workflow runs:" | |
| gh run list --repo ${{ github.repository }} --limit 10 | |
| env: | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} |