fix: coverage calculation Sonar (#4810)

Signed-off-by: Lennart Krauch <lennart.krauch@inovex.de>

.github/workflows/continuous-integration.yml

@@ -95,6 +95,56 @@ jobs:
           make test
           make build-alpine
 
+  sonarqube:
+    name: SonarQube
+    runs-on: ubuntu-latest
+    # needs: [test-frontend, test-backend]
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
+
+      - uses: actions/setup-go@v5
+        with:
+          go-version: "^1.22"
+          cache: false
+
+      - name: Cache Go Modules
+        id: cache-go-modules
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cache/go-build
+            /go/pkg/mod
+          key: ${{ runner.os }}-go-${{ hashFiles('server/src/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-
+      
+      - name: Download Go Modules
+        if: steps.cache-go-modules.outputs.cache-hit != 'true'
+        working-directory: ./server/src
+        run: go mod download
+
+      - name: Verify Go Modules
+        working-directory: ./server/src
+        run: go list -m all
+
+      - name: Get coverage report
+        id: coverage
+        working-directory: ./server
+        run: |
+          make test
+          sed -i 's|scrumlr.io/server/|server/src/|g' src/coverage.txt
+        
+      - name: SonarQube Scan
+        uses: SonarSource/sonarqube-scan-action@v4
+        env:
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+
+      - name: SonarQube Quality Gate
+        uses: SonarSource/sonarqube-quality-gate-action@v1
+        env:
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
   package:
     needs: [test-frontend, test-backend]
     uses: ./.github/workflows/package.yml

sonar-project.properties

@@ -13,3 +13,5 @@ sonar.organization=scrumlr
 #sonar.sourceEncoding=UTF-8
 
 sonar.typescript.tsconfigPath=tsconfig.json
+sonar.go.coverage.reportPaths=server/src/coverage.txt
+sonar.coverage.exclusions=src/**/*