Using workflow_run to allow Sonarcloud to run in PRs from forks

.github/workflows/sonarcloud-analysis.yml

@@ -4,82 +4,106 @@
 
 name: SonarCloud Analysis
 
-on:
-  push:
-    branches:
-      - '**'
-  pull_request:
-    branches:
-      - 'main'
-      - 'develop'
-  pull_request_target:
-    branches:
-      - 'main'
-      - 'develop'
+on: 
+  workflow_run:
+    workflows: [SonarCloud Build]
+    types: [completed]
 
 jobs:
   sonar-check:
-    name: Sonar Check
     runs-on: ubuntu-latest
+    if: github.event.workflow_run.conclusion == 'success'
     timeout-minutes: 15
-
-    if: ${{ (github.event_name != 'pull_request_target' && github.actor != 'dependabot[bot]') || (github.actor == 'dependabot[bot]' && github.event_name == 'pull_request_target') }}
     steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-
-      - name: Cache SonarCloud packages
-        uses: actions/cache@v3
-        with:
-          path: ~/.sonar/cache
-          key: ${{ runner.os }}-sonar
-          restore-keys: ${{ runner.os }}-sonar
-      - name: Cache Maven packages
-        uses: actions/cache@v3
-        with:
-          path: ~/.m2
-          key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
-          restore-keys: ${{ runner.os }}-m2
+    - name: echo event
+      run: cat $GITHUB_EVENT_PATH
+    - name: Download PR number artifact
+      if: github.event.workflow_run.event == 'pull_request'
+      uses: dawidd6/action-download-artifact@v2
+      with:
+        workflow: SonarCloud Build
+        run_id: ${{ github.event.workflow_run.id }}
+        name: PR_NUMBER
+    - name: Read PR_NUMBER.txt
+      if: github.event.workflow_run.event == 'pull_request'
+      id: pr_number
+      uses: juliangruber/read-file-action@v1
+      with:
+        path: ./PR_NUMBER.txt
+    - name: Request GitHub API for PR data
+      if: github.event.workflow_run.event == 'pull_request'
+      uses: octokit/request-action@v2.x
+      id: get_pr_data
+      with:
+        route: GET /repos/{full_name}/pulls/{number}
+        number: ${{ steps.pr_number.outputs.content }}
+        full_name: ${{ github.event.repository.full_name }}
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    - 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: Checkout base branch
+      if: github.event.workflow_run.event == 'pull_request'
+      run: |
+        git remote add upstream ${{ github.event.repository.clone_url }}
+        git fetch upstream
+        git checkout -B ${{ fromJson(steps.get_pr_data.outputs.data).base.ref }} upstream/${{ fromJson(steps.get_pr_data.outputs.data).base.ref }}
+        git checkout ${{ github.event.workflow_run.head_branch }}
+        git clean -ffdx && git reset --hard HEAD
+    - name: Cache SonarCloud packages
+      uses: actions/cache@v3
+      with:
+        path: ~/.sonar/cache
+        key: ${{ runner.os }}-sonar
+        restore-keys: ${{ runner.os }}-sonar
+    - name: Cache Maven packages
+      uses: actions/cache@v3
+      with:
+        path: ~/.m2
+        key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
+        restore-keys: ${{ runner.os }}-m2
 
-      - name: Set up JDK 17
-        uses: actions/setup-java@v3
-        with:
-          distribution: 'zulu'
-          java-version: '17'
+    - name: Set up JDK 17
+      uses: actions/setup-java@v3
+      with:
+        distribution: 'zulu'
+        java-version: '17'
 
-      - name: Set Common Sonar Variables
-        id: sonar_env
-        run: |
-          echo "##[set-output name=sonar_opts;]$(echo -Dsonar.host.url=https://sonarcloud.io \
-            -Dsonar.projectKey=com-pas_compas-sitipe-service \
-            -Dsonar.organization=com-pas )"
-      - name: Create custom Maven Settings.xml
-        uses: whelk-io/maven-settings-xml-action@v21
-        with:
-          output_file: custom_maven_settings.xml
-          servers: '[{ "id": "github-packages-compas", "username": "OWNER", "password": "${{ secrets.GITHUB_TOKEN }}" }]'
-      - name: Build and analyze (Pull Request)
-        if: ${{ github.event_name == 'pull_request' || (github.actor == 'dependabot[bot]' && github.event_name == 'pull_request_target') }}
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
-        run: |
-          ./mvnw -B -s custom_maven_settings.xml -Psonar \
-            ${{ steps.sonar_env.outputs.sonar_opts }} \
-            -Dsonar.pullrequest.branch=${{ github.ref_name }} \
-            -Dsonar.pullrequest.key=${{ github.event.pull_request.number }} \
-            -Dsonar.pullrequest.base=${{ github.base_ref }} \
-            -Dsonar.scm.revision=${{ github.event.pull_request.head.sha }} \
-            clean verify org.sonarsource.scanner.maven:sonar-maven-plugin:sonar
-      - name: Build and analyze (Push)
-        if: ${{ github.event_name == 'push' }}
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
-        run: |
-          ./mvnw -B -s custom_maven_settings.xml -Psonar \
-            ${{ steps.sonar_env.outputs.sonar_opts }} \
-            -Dsonar.branch.name=${{ github.ref_name }} \
-            clean verify org.sonarsource.scanner.maven:sonar-maven-plugin:sonar
+    - name: Set Common Sonar Variables
+      id: sonar_env
+      run: |
+        echo "##[set-output name=sonar_opts;]$(echo -Dsonar.host.url=https://sonarcloud.io \
+          -Dsonar.projectKey=com-pas_compas-sitipe-service \
+          -Dsonar.organization=com-pas )"
+    - name: Create custom Maven Settings.xml
+      uses: whelk-io/maven-settings-xml-action@v21
+      with:
+        output_file: custom_maven_settings.xml
+        servers: '[{ "id": "github-packages-compas", "username": "OWNER", "password": "${{ secrets.GITHUB_TOKEN }}" }]'
+    - name: Build and analyze (Pull Request)
+      if: ${{ github.event.workflow_run.event == 'pull_request' || (github.event.workflow_run.actor == 'dependabot[bot]' && github.event.workflow_run.event == 'pull_request_target') }}
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+      run: |
+        ./mvnw -B -s custom_maven_settings.xml -Psonar \
+          ${{ steps.sonar_env.outputs.sonar_opts }} \
+          -Dsonar.pullrequest.branch=${{ fromJson(steps.get_pr_data.outputs.data).head.ref }} \
+          -Dsonar.pullrequest.key=${{ fromJson(steps.get_pr_data.outputs.data).number }} \
+          -Dsonar.pullrequest.base=${{ fromJson(steps.get_pr_data.outputs.data).base.ref }} \
+          -Dsonar.scm.revision=${{ github.event.workflow_run.head_sha }} \
+          clean verify org.sonarsource.scanner.maven:sonar-maven-plugin:sonar
+    - name: Build and analyze (Push)
+      if: ${{ github.event.workflow_run.event == 'push' }}
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+      run: |
+        ./mvnw -B -s custom_maven_settings.xml -Psonar \
+          ${{ steps.sonar_env.outputs.sonar_opts }} \
+          -Dsonar.scm.revision=${{ github.event.workflow_run.head_sha }} \
+          -Dsonar.branch.name=${{ github.event.workflow_run.head_branch }} \
+          clean verify org.sonarsource.scanner.maven:sonar-maven-plugin:sonar

.github/workflows/sonarcloud-build.yml

@@ -0,0 +1,77 @@
+# SPDX-FileCopyrightText: 2022 Alliander N.V.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+name: SonarCloud Build
+
+on:
+  push:
+    branches:
+      - '**'
+  pull_request:
+    branches:
+      - 'main'
+      - 'develop'
+  pull_request_target:
+    branches:
+      - 'main'
+      - 'develop'
+
+jobs:
+  precheck-build:
+    name: Pre Check Build
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+
+    if: ${{ (github.event_name != 'pull_request_target' && github.actor != 'dependabot[bot]') || (github.actor == 'dependabot[bot]' && github.event_name == 'pull_request_target') }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Cache SonarCloud packages
+        uses: actions/cache@v3
+        with:
+          path: ~/.sonar/cache
+          key: ${{ runner.os }}-sonar
+          restore-keys: ${{ runner.os }}-sonar
+      - name: Cache Maven packages
+        uses: actions/cache@v3
+        with:
+          path: ~/.m2
+          key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
+          restore-keys: ${{ runner.os }}-m2
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'zulu'
+          java-version: '17'
+
+      - name: Create custom Maven Settings.xml
+        uses: whelk-io/maven-settings-xml-action@v21
+        with:
+          output_file: custom_maven_settings.xml
+          servers: '[{ "id": "github-packages-compas", "username": "OWNER", "password": "${{ secrets.GITHUB_TOKEN }}" }]'
+      - name: Build and analyze (Pull Request)
+        if: ${{ github.event_name == 'pull_request' || (github.actor == 'dependabot[bot]' && github.event_name == 'pull_request_target') }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          ./mvnw -B -s custom_maven_settings.xml clean verify
+      - name: Build and analyze (Push)
+        if: ${{ github.event_name == 'push' }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          ./mvnw -B -s custom_maven_settings.xml clean verify
+      - name: Save PR number to file
+        if: github.event_name == 'pull_request'
+        run: echo ${{ github.event.number }} > PR_NUMBER.txt
+      - name: Archive PR number
+        if: github.event_name == 'pull_request'
+        uses: actions/upload-artifact@v3
+        with:
+          name: PR_NUMBER
+          path: PR_NUMBER.txt