report.yml

name: Report on physmon

on:
  workflow_run:
    workflows: [Builds]
    types:
      - completed

jobs:
  post_comment:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: 'Download artifact'
        uses: actions/github-script@v6
        id: dl-af
        with:
          script: |
            console.log(`Getting artifacts for workflow run id: ${context.payload.workflow_run.id}`);
            let allArtifacts = await github.rest.actions.listWorkflowRunArtifacts({
               owner: context.repo.owner,
               repo: context.repo.repo,
               run_id: context.payload.workflow_run.id,
            });
            let matchArtifacts = allArtifacts.data.artifacts.filter((artifact) => {
              return artifact.name == 'physmon'
            });
            if(matchArtifacts.length == 0) {
              console.log("Could not find artifact");
              return false;
            }
            let matchArtifact = matchArtifacts[0];
            console.log(`Artifact id is: ${matchArtifact.id}`);
            let download = await github.rest.actions.downloadArtifact({
               owner: context.repo.owner,
               repo: context.repo.repo,
               artifact_id: matchArtifact.id,
               archive_format: 'zip',
            });
            let fs = require('fs');
            fs.writeFileSync(`${process.env.GITHUB_WORKSPACE}/physmon.zip`, Buffer.from(download.data));
            let = url = `https://herald.dokku.paulgessinger.com/view/${process.env.GITHUB_REPOSITORY}/${matchArtifact.id}`;

            core.exportVariable('ARTIFACT_URL', url)
            return true;

      - name: 'Unzip artifact'
        if: steps.dl-af.outputs.result != 'false'
        run: unzip -d $GITHUB_WORKSPACE/physmon $GITHUB_WORKSPACE/physmon.zip


      - name: 'Determine PR number'
        uses: actions/github-script@v6
        id: get-pr-number
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            if(!${{ steps.dl-af.outputs.result }}) {
              console.log("No artifact => no PR numner");
              return false;
            }
            let fs = require('fs');
            let file = 'physmon/pr_number';
            if(!fs.existsSync(file)) {
              console.log('No file at ' + file);
              return false;
            }

            
            let number = Number(fs.readFileSync(file, {encoding: 'utf8'}).trim());
            console.log('PR number is '+number);
            core.exportVariable('PR_NUMBER', number)

            let sha = fs.readFileSync('physmon/sha', {encoding: 'utf8'}).trim();
            console.log('SHA is '+sha);
            core.exportVariable('PR_SHA', sha)

            return number;


      # ping the url, triggers caching of the artifact
      - name: Prime cache
        if: steps.get-pr-number.outputs.result != 'false'
        run: curl -sL $ARTIFACT_URL

      - uses: actions/setup-python@v4
        with:
          python-version: '3.10'

      - name: Render comment
        if: steps.get-pr-number.outputs.result != 'false'
        run: |
          pip install Jinja2
          ls -al $GITHUB_WORKSPACE/physmon
          CI/physmon/generate_comment.py $GITHUB_WORKSPACE/physmon comment.md
          cat comment.md

      - name: Find Comment
        if: steps.get-pr-number.outputs.result != 'false'
        uses: peter-evans/find-comment@v2
        id: fc
        with:
          issue-number: ${{ steps.get-pr-number.outputs.result }}
          comment-author: 'github-actions[bot]'
          body-includes: Physics performance monitoring

      - name: Create or update comment
        if: steps.get-pr-number.outputs.result != 'false'
        uses: peter-evans/create-or-update-comment@v2
        with:
          comment-id: ${{ steps.fc.outputs.comment-id }}
          issue-number: ${{ steps.get-pr-number.outputs.result }}
          body-file: comment.md
          edit-mode: replace