sonarcloud-pull.yml

name: Sonarcloud-Pull
on:
  workflow_run:
    workflows: ["Code Analysis"]
    types:
      - completed

env:
  BASE_IMAGE: ${{ vars.BASE_IMAGE || 'registry.fedoraproject.org/fedora:latest' }}
  COPR_REPO: ${{ vars.COPR_REPO || '@pki/master' }}

jobs:
  retrieve-pr:
    if: github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion == 'success'
    runs-on: ubuntu-latest
    outputs:
      pr-number: ${{ steps.pr-artifact-script.outputs.result }}
      pr-base: ${{ steps.pr-base-script.outputs.result }}
    steps:
      - name: 'Download PR artifact'
        uses: actions/github-script@v3.1.0
        id: download-pr
        with:
          result-encoding: string
          script: |
            var artifacts = await github.actions.listWorkflowRunArtifacts({
              owner: context.repo.owner,
              repo: context.repo.repo,
              run_id: context.payload.workflow_run.id,
            });
            var matchArtifact = artifacts.data.artifacts.filter((artifact) => {
              return artifact.name == "pr"
            })[0];
            if (matchArtifact == null){
              core.setFailed("No PR artifact");
              return "False";
            }
            var download = await github.actions.downloadArtifact({
              owner: context.repo.owner,
              repo: context.repo.repo,
              artifact_id: matchArtifact.id,
              archive_format: 'zip',
            });
            var fs = require('fs');
            fs.writeFileSync('${{github.workspace}}/pr.zip', Buffer.from(download.data));
            return "True";
            
      - name: Unzip the pr
        if: steps.download-pr.outputs.result == 'True'
        run: unzip pr.zip

      - name: Retrieve the pr number
        if: success()
        id: pr-artifact-script
        uses: actions/github-script@v3.1.0
        with:
          result-encoding: string
          script: |
            var fs = require('fs');
            var pr_number = Number(fs.readFileSync('./NR'));
            return pr_number; 

      - name: Retrieve the pr base
        if: success()
        id: pr-base-script
        uses: actions/github-script@v3.1.0
        with:
          result-encoding: string
          script: |
            var fs = require('fs');
            var pr_base = fs.readFileSync('./BaseBranch');
            return pr_base;

  build:
    name: Building PKI for Sonar
    needs: retrieve-pr
    runs-on: ubuntu-latest
    steps:
      - name: Clone repository
        uses: actions/checkout@v3
        with:
          repository: ${{ github.event.workflow_run.head_repository.full_name }}
          ref: ${{ github.event.workflow_run.head_branch }}
          fetch-depth: 0

      - name: Rebase to master
        run: |
          git config --global --add safe.directory "$GITHUB_WORKSPACE"
          git config user.name "GitHub Workflow Action"
          git config user.email "dogtag-dev@redhat.com"
          git remote add pki ${{ github.event.repository.clone_url }} 
          git fetch pki
          git rebase pki/${{ needs.retrieve-pr.outputs.pr-base }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Cache Docker layers
        id: cache-buildx
        uses: actions/cache@v3
        with:
          key: buildx-${{ hashFiles('pki.spec') }}
          path: /tmp/.buildx-cache

      - name: Build pki-deps image
        uses: docker/build-push-action@v3
        with:
          context: .
          build-args: |
            BASE_IMAGE=${{ env.BASE_IMAGE }}
            COPR_REPO=${{ env.COPR_REPO }}
          tags: pki-deps
          target: pki-deps
          cache-to: type=local,dest=/tmp/.buildx-cache
        if: steps.cache-buildx.outputs.cache-hit != 'true'

      - name: Build pki-builder-deps image
        uses: docker/build-push-action@v3
        with:
          context: .
          build-args: |
            BASE_IMAGE=${{ env.BASE_IMAGE }}
            COPR_REPO=${{ env.COPR_REPO }}
          tags: pki-builder-deps
          target: pki-builder-deps
          cache-to: type=local,dest=/tmp/.buildx-cache
        if: steps.cache-buildx.outputs.cache-hit != 'true'

      - name: Build pki-runner image
        uses: docker/build-push-action@v3
        with:
          context: .
          build-args: |
            BASE_IMAGE=${{ env.BASE_IMAGE }}
            COPR_REPO=${{ env.COPR_REPO }}
          tags: pki-runner
          target: pki-runner
          cache-from: type=local,src=/tmp/.buildx-cache
          outputs: type=docker,dest=pki-runner.tar

      - name: Store pki-runner image
        uses: actions/cache@v3
        with:
          key: pki-sonar-runner-${{ github.event.workflow_run.id }}
          path: pki-runner.tar
        
  sonarcloud:
    name: Sonar Cloud code analysis
    needs: [retrieve-pr, build]
    if: needs.retrieve-pr.outputs.pr-number != ''
    runs-on: ubuntu-latest
    env:
      SHARED: /tmp/workdir/pki
    steps:
      - name: Retrieve pki-runner image
        uses: actions/cache@v3
        with:
          key: pki-sonar-runner-${{ github.event.workflow_run.id }}
          path: pki-runner.tar

      - name: Load pki-runner image
        run: docker load --input pki-runner.tar

      - name: Checkout pulled branch
        uses: actions/checkout@v3
        with:
          repository: ${{ github.event.workflow_run.head_repository.full_name }}
          ref: ${{ github.event.workflow_run.head_branch }}
          fetch-depth: 0

      - name: Rebase to master
        run: |
          git config user.name "GitHub Workflow Action"
          git remote add pki ${{ github.event.repository.clone_url }} 
          git fetch pki
          git rebase pki/${{ needs.retrieve-pr.outputs.pr-base }}

      - name: Set up PKI container
        run: |
          tests/bin/runner-init.sh pki
  
      - name: Copy build in current folder
        run: docker cp pki:/usr/share/java/pki ./build
      
      - name: Remove maven related file
        run: rm -f pom.xml

      - name: Start Sonar analysis
        uses: SonarSource/sonarcloud-github-action@master
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
        with:
          args: >
            -Dsonar.scm.revision=${{ github.event.workflow_run.head_sha }}
            -Dsonar.pullrequest.key=${{ needs.retrieve-pr.outputs.pr-number }}
            -Dsonar.pullrequest.branch=${{ github.event.workflow_run.head_branch }}
            -Dsonar.pullrequest.base=${{ github.event.workflow_run.pull_requests[0].base.ref }}