Notify Slack user on workflow failure #4023
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| name: Notify Slack user on workflow failure | |
| on: | |
| workflow_run: | |
| workflows: ["Package & Release", "Build & Test"] | |
| types: | |
| - completed | |
| branches: | |
| - master | |
| - release/* | |
| - next/* | |
| jobs: | |
| notify_failure: | |
| runs-on: ubuntu-latest | |
| if: ${{ github.event.workflow_run.conclusion == 'failure' && github.event.workflow_run.event != 'schedule' }} | |
| steps: | |
| - name: Fetch mapping file | |
| id: fetch_mapping | |
| uses: actions/github-script@v7 | |
| env: | |
| ACCESS_TOKEN: ${{ secrets.PAT }} | |
| with: | |
| script: | | |
| const url = 'https://raw.githubusercontent.com/Kong/github-slack-mapping/main/mapping.json'; | |
| const headers = {Authorization: `token ${process.env.ACCESS_TOKEN}`}; | |
| const response = await fetch(url, {headers}); | |
| const mapping = await response.json(); | |
| return mapping; | |
| - name: Retrieve PR info | |
| id: retrieve_pr_info | |
| env: | |
| ACCESS_TOKEN: ${{ secrets.PAT }} | |
| run: | | |
| repo_name="${{ github.event.workflow_run.repository.full_name }}" | |
| head_sha="${{ github.event.workflow_run.head_sha }}" | |
| IFS=$'\t' read pr_html_url pr_user_login < <(curl -sS \ | |
| -H "Authorization: Bearer ${{ env.ACCESS_TOKEN }}" \ | |
| -H "Accept: application/vnd.github+json" \ | |
| -H "X-GitHub-Api-Version: 2022-11-28" \ | |
| "https://api.github.com/repos/$repo_name/commits/$head_sha/pulls" \ | |
| | jq -r '.[0] | [.html_url, .user.login] | @tsv') | |
| echo "pr_html_url=$pr_html_url" >> $GITHUB_OUTPUT | |
| echo "pr_user_login=$pr_user_login" >> $GITHUB_OUTPUT | |
| shell: bash | |
| - name: Generate Slack Payload | |
| id: generate-payload | |
| env: | |
| SLACK_CHANNEL: gateway-notifications | |
| SLACK_MAPPING: "${{ steps.fetch_mapping.outputs.result }}" | |
| uses: actions/github-script@v7 | |
| with: | |
| script: | | |
| const pr_html_url = "${{ steps.retrieve_pr_info.outputs.pr_html_url }}"; | |
| const workflow_name = "${{ github.event.workflow_run.name }}"; | |
| const repo_name = "${{ github.event.workflow_run.repository.full_name }}"; | |
| const branch_name = "${{ github.event.workflow_run.head_branch }}"; | |
| const run_url = "${{ github.event.workflow_run.html_url }}"; | |
| const slack_mapping = JSON.parse(process.env.SLACK_MAPPING); | |
| const actor_github_id = "${{ steps.retrieve_pr_info.outputs.pr_user_login }}"; | |
| const actor_slack_id = slack_mapping[actor_github_id]; | |
| const actor = actor_slack_id ? `<@${actor_slack_id}>` : actor_github_id; | |
| const payload = { | |
| text: `${actor} , workflow “${workflow_name}” failed, repo: "${repo_name}", branch: "${branch_name}", PR: "${pr_html_url}". Please check it: ${run_url}.`, | |
| channel: process.env.SLACK_CHANNEL, | |
| }; | |
| return JSON.stringify(payload); | |
| result-encoding: string | |
| - name: Send Slack Message | |
| uses: slackapi/slack-github-action@70cd7be8e40a46e8b0eced40b0de447bdb42f68e # v1.26.0 | |
| with: | |
| payload: ${{ steps.generate-payload.outputs.result }} | |
| env: | |
| SLACK_WEBHOOK_URL: ${{ secrets.SLACK_GATEWAY_NOTIFICATIONS_WEBHOOK }} |