grafana/.github/workflows/detect-breaking-changes-report.yml

name: Levitate / Report breaking changes

on:
  workflow_run:
    workflows: ["Levitate / Detect breaking changes"]
    types: [completed]

jobs:
  notify:
    name: Report
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v2

    - name: Setup environment
      uses: actions/setup-node@v2
      with:
        node-version: 16
    - run: npm install adm-zip

    - name: Download artifact
      uses: actions/github-script@v5
      id: download-artifact
      env:
        RUN_ID: ${{github.event.workflow_run.id }}
      with:
        result-encoding: string
        script: |
          const runId = process.env.RUN_ID;
          const artifactName = 'levitate';
          const script = require('./.github/workflows/scripts/get-workflow-run-artifact.js');
          return await script({ github, context, core, runId, artifactName });
    
    - name: Parsing levitate result
      uses: actions/github-script@v5
      id: levitate-run
      env:
        ARTIFACT_FOLDER: ${{ steps.download-artifact.outputs.result }}
      with:
        script: |
          const filePath = `${process.env.ARTIFACT_FOLDER}/result.json`;
          const script = require('./.github/workflows/scripts/json-file-to-job-output.js');
          await script({ core, filePath });

    - name: Check if "breaking change" label exists
      id: does-label-exist
      uses: actions/github-script@v5
      env:
        PR_NUMBER: ${{ github.event.workflow_run.pull_requests[0].number }}
      with:
        script: |
          const { data } = await github.rest.issues.listLabelsOnIssue({
            issue_number: process.env.PR_NUMBER,
            owner: context.repo.owner,
            repo: context.repo.repo,
          });
          const labels = data.map(({ name }) => name);
          const doesExist = labels.includes('breaking change');

          return doesExist ? 1 : 0;

    - name: Comment on PR
      if: ${{ steps.levitate-run.outputs.exit_code == 1 }}
      uses: marocchino/sticky-pull-request-comment@v2
      with:
        number: ${{ github.event.workflow_run.pull_requests[0].number }}
        message: |
          ⚠️   **Possible breaking changes**

          _(Open the links below in a new tab to go to the correct steps)_

          ${{ steps.levitate-run.outputs.message }}

          [Check console output](${{ steps.levitate-run.outputs.job_link }})

    - name: Remove comment on PR
      if: ${{ steps.levitate-run.outputs.exit_code == 0 }}
      uses: marocchino/sticky-pull-request-comment@v2
      with:
        number: ${{ github.event.workflow_run.pull_requests[0].number }}
        delete: true


    - name: Add "breaking change" label
      if: ${{ steps.levitate-run.outputs.exit_code == 1 && steps.does-label-exist.outputs.result == 0 }}
      uses: actions/github-script@v5
      env:
        PR_NUMBER: ${{ github.event.workflow_run.pull_requests[0].number }}
      with:
        script: |
          await github.rest.issues.addLabels({
            issue_number: process.env.PR_NUMBER,
            owner: context.repo.owner,
            repo: context.repo.repo,
            labels: ['breaking change']
          })

    - name: Remove "breaking change" label
      if: ${{ steps.levitate-run.outputs.exit_code == 0 && steps.does-label-exist.outputs.result == 1 }}
      uses: actions/github-script@v5
      env:
        PR_NUMBER: ${{ github.event.workflow_run.pull_requests[0].number }}
      with:
        script: |
          await github.rest.issues.removeLabel({
            issue_number: process.env.PR_NUMBER,
            owner: context.repo.owner,
            repo: context.repo.repo,
            name: 'breaking change'
          })

    # This is very weird, the actual request goes through (comes back with a 201), but does not assign the team.
    # Related issue: https://github.com/renovatebot/renovate/issues/1908
    - name: Add "grafana/plugins-platform-frontend" as a reviewer
      if: ${{ steps.levitate-run.outputs.exit_code == 1 }}
      uses: actions/github-script@v5
      env:
        PR_NUMBER: ${{ github.event.workflow_run.pull_requests[0].number }}
      with:
        script: |
          await github.rest.pulls.requestReviewers({
            pull_number: process.env.PR_NUMBER,
            owner: context.repo.owner,
            repo: context.repo.repo,
            reviewers: [],
            team_reviewers: ['grafana/plugins-platform-frontend']
          });

    - name: Remove "grafana/plugins-platform-frontend" from the list of reviewers
      if: ${{ steps.levitate-run.outputs.exit_code == 0 }}
      uses: actions/github-script@v5
      env:
        PR_NUMBER: ${{ github.event.workflow_run.pull_requests[0].number }}
      with:
        script: |
          await github.rest.pulls.removeRequestedReviewers({
            pull_number: process.env.PR_NUMBER,
            owner: context.repo.owner,
            repo: context.repo.repo,
            reviewers: [],
            team_reviewers: ['grafana/plugins-platform-frontend']
          });

    - name: Exit
      run: exit ${{ steps.levitate-run.outputs.exit_code }}
      shell: bash