Notify Slack user on workflow failure #4212
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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 }} |