Slack CI Failure Alerts #2238
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| name: Slack CI Failure Alerts | |
| on: | |
| workflow_run: | |
| workflows: | |
| - Graphs CI | |
| - Response Time CI | |
| - Setup CI | |
| - Static Site CI | |
| - Summary CI | |
| - Updates CI | |
| - Update Template CI | |
| - Uptime CI | |
| types: [completed] | |
| jobs: | |
| notify: | |
| runs-on: ubuntu-latest | |
| if: github.event.workflow_run.conclusion == 'failure' | |
| permissions: | |
| actions: read | |
| steps: | |
| # Upptime calls the GitHub API before probing any endpoint, so a GitHub 5xx fails | |
| # the run with no bearing on CoW uptime. Flag it so the alert says so. | |
| - name: Was this a GitHub API outage? | |
| id: triage | |
| env: | |
| GH_TOKEN: ${{ github.token }} | |
| RUN_ID: ${{ github.event.workflow_run.id }} | |
| REPO: ${{ github.repository }} | |
| run: | | |
| logs=$(gh run view "$RUN_ID" --repo "$REPO" --log-failed 2>/dev/null || true) | |
| if grep -qE "RequestError \[HttpError\]" <<<"$logs" && grep -qE "status: 5[0-9][0-9]," <<<"$logs"; then | |
| echo "github_fault=true" >> "$GITHUB_OUTPUT" | |
| else | |
| echo "github_fault=false" >> "$GITHUB_OUTPUT" | |
| fi | |
| - name: Notify Slack | |
| run: | | |
| if [ "$GITHUB_FAULT" = "true" ]; then | |
| text="⚠️ GitHub API is unreachable, so *$WORKFLOW* could not run — can't assert CoW services uptime right now. <$URL|See run>." | |
| else | |
| text="❌ $WORKFLOW failed on \`$BRANCH\`. <$URL|See run>." | |
| fi | |
| payload=$(jq -n --arg text "$text" '{text: $text}') | |
| curl -X POST -H "Content-type: application/json" --data "$payload" "$SLACK_WEBHOOK_URL" | |
| env: | |
| SLACK_WEBHOOK_URL: ${{ secrets.NOTIFICATION_SLACK_WEBHOOK_URL }} | |
| WORKFLOW: ${{ github.event.workflow_run.name }} | |
| BRANCH: ${{ github.event.workflow_run.head_branch }} | |
| URL: ${{ github.event.workflow_run.html_url }} | |
| GITHUB_FAULT: ${{ steps.triage.outputs.github_fault }} |