automerge-orphans.yml

# This action is centrally managed in https://github.com/asyncapi/.github/
# Don't make changes to this file in this repo as they will be overwritten with changes made to the same file in above mentioned repo

name: 'Notify on failing automerge'

on:
  schedule:
  - cron: "0 0 * * *"

jobs:
  identify-orphans:
    if: startsWith(github.repository, 'asyncapi/')
    name: Find orphans and notify
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
      - name: Get list of orphans
        uses: actions/github-script@v6
        id: orphans
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const query = `query($owner:String!, $name:String!) {
              repository(owner:$owner, name:$name){
                pullRequests(first: 100, states: OPEN){
                  nodes{
                    title
                    url
                    author {
                      resourcePath
                    }
                  }
                }
              }
            }`;
            const variables = {
              owner: context.repo.owner,
              name: context.repo.repo
            };
            const { repository: { pullRequests: { nodes } } } = await github.graphql(query, variables);

            let orphans = nodes.filter( (pr) => pr.author.resourcePath === '/asyncapi-bot' || pr.author.resourcePath === '/apps/dependabot')

            if (orphans.length) {
              core.setOutput('found', 'true');
              //Yes, this is very naive approach to assume there is just one PR causing issues, there can be a case that more PRs are affected the same day
              //The thing is that handling multiple PRs will increase a complexity in this PR that in my opinion we should avoid
              //The other PRs will be reported the next day the action runs, or person that checks first url will notice the other ones
              core.setOutput('url', orphans[0].url);
              core.setOutput('title', orphans[0].title);
            }
      - if: steps.orphans.outputs.found == 'true'
        name: Convert markdown to slack markdown
        uses: asyncapi/.github/.github/actions/slackify-markdown@master
        id: issuemarkdown
        with:
          markdown: "-> [${{steps.orphans.outputs.title}}](${{steps.orphans.outputs.url}})"
      - if: steps.orphans.outputs.found == 'true'
        name: Send info about orphan to slack
        uses: rtCamp/action-slack-notify@v2
        env:
          SLACK_WEBHOOK: ${{secrets.SLACK_CI_FAIL_NOTIFY}}
          SLACK_TITLE: 🚨 Not merged PR that should be automerged 🚨
          SLACK_MESSAGE: ${{steps.issuemarkdown.outputs.text}}
          MSG_MINIMAL: true