certbot/.github/workflows/notify_nightly.yml

name: Notify nightly failure

on:
  workflow_call:
    secrets:
      MATTERMOST_PUBLIC_CERTBOT_CHANNEL_WEBHOOK:
        required: true

permissions:
  actions: read

jobs:
  notify_mattermost:
    name: Notify mattermost
    runs-on: ubuntu-latest
    steps:
    - name: Calculate duration
      shell: bash
      id: duration
      env:
        GH_TOKEN: ${{ github.token }}
        GH_REPO: ${{ github.repository }}
      run: |-
        START=$(gh run view "$GITHUB_RUN_ID" --json startedAt --jq ".startedAt")
        START_SECONDS=$(date -d"$START" +%s)
        NOW_SECONDS=$(date +%s)
        DURATION=$(date -d@"$((NOW_SECONDS - START_SECONDS))"  -u +%H:%M:%S)
        echo "result = $DURATION"
        echo "result=$DURATION" >> "$GITHUB_OUTPUT"        
    - name: Send to mattermost
      uses: mattermost/action-mattermost-notify@ae31bb6f9e26a54336e79696f108a2c91cf55b4e
      with:
        MATTERMOST_WEBHOOK_URL: ${{ secrets.MATTERMOST_PUBLIC_CERTBOT_CHANNEL_WEBHOOK }}
        PAYLOAD: |-
          {
            "attachments": [
              {
                "color": "danger",
                "fields": [
                  null,
                  {
                    "title": "Duration",
                    "value": "${{ steps.duration.outputs.result }}",
                    "short": true
                  },
                  {
                    "title": "Workflow",
                    "value": "nightly",
                    "short": true
                  }
                ],
                "pretext": "Run <https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}|${{ github.run_id }}> failed",
                "mrkdwn_in": [
                  "pretext"
                ],
                "fallback": "Run ${{ github.run_id }} failed https://github.com/certbot/actions/runs/${{ github.run_id }}"
              }
            ]
          }