build: Github actions based sonar analysis (#2387)

* gh actions based sonar analysis

* trigger build

.github/workflows/maven-ci.yml

@@ -33,7 +33,6 @@ on:
   push:
     branches: [ master ]
 
-
 jobs:
 
   build-and-analyze:

.github/workflows/maven-pr-builder.yml

@@ -32,7 +32,7 @@ on:
     types: [ opened, reopened, synchronize ]
 
 jobs:
-  build:
+  build-and-analyze:
 
     name: Build on JDK 17
     runs-on: ubuntu-20.04
@@ -47,10 +47,22 @@ jobs:
         java-version: '17'
         distribution: 'temurin'
         cache: 'maven'
-    
+
+    # Cache Sonar packages which as used to run analysis and collect metrics
+    - name: Cache SonarCloud packages
+      uses: actions/cache@v3
+      with:
+        path: ~/.sonar/cache
+        key: ${{ runner.os }}-sonar
+        restore-keys: ${{ runner.os }}-sonar
+
     # Some tests need screen access
     - name: Install xvfb
       run: sudo apt-get install -y xvfb
-    
-    - name: Build with Maven
-      run: xvfb-run ./mvnw clean verify
+
+    - name: Build with Maven and run SonarQube analysis
+      run: xvfb-run ./mvnw clean verify org.sonarsource.scanner.maven:sonar-maven-plugin:sonar
+      env:
+        # These two env variables are needed for sonar analysis
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}