adding a reusable workflow for sonarqube scan

.github/workflows/sonarqube_scan.yml

@@ -0,0 +1,54 @@
+name: SonarQube Scan 
+
+on:
+  workflow_call:
+    secrets:
+      SONAR_HOST_URL:
+        required: true
+      SONAR_TOKEN:
+        required: true
+
+jobs:
+  scan:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with: 
+          java-version: '17'
+          distribution: 'temurin'
+          cache: 'maven'
+
+      - name: Cache SonarQube Cloud packages
+        uses: actions/cache@v4
+        with:
+          path: ~/.sonar/cache
+          key: ${{ runner.os }}-sonar
+          restore-keys: ${{ runner.os }}-sonar
+
+      - name: Cache Maven packages
+        uses: actions/cache@v4
+        with:
+          path: ~/.m2
+          key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
+          restore-keys: ${{ runner.os }}-m2
+
+      - name: SonarQube Scan
+        uses: sonarsource/sonarqube-scan-action@master
+        env:
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+          SONAR_HOST_URL: ${{ secrets.SONAR_HOST_URL }}
+
+        # Check the Quality Gate status.
+      - name: SonarQube Quality Gate check
+        id: sonarqube-quality-gate-check
+        uses: sonarsource/sonarqube-quality-gate-action@master
+        with:
+          pollingTimeoutSec: 600
+        env:
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+          SONAR_HOST_URL: ${{ secrets.SONAR_HOST_URL }}
+
+      - name: "Show SonarQube Quality Gate Status value"
+        run: echo "The Quality Gate status is ${{ steps.sonarqube-quality-gate-check.outputs.quality-gate-status }}"