feat: add Sonar analysis to build pipeline (#324)

.github/workflows/README.md

@@ -23,3 +23,8 @@ To run GitHub workflow, a few environment variables needs to add in GitHub secre
     <td> Docker hub password/token with push permission </td>
     <td> **** </td>
   </tr>
+  <tr>
+    <td> SONAR_TOKEN </td>
+    <td> <a href="https://sonarcloud.io">SonarCloud</a> token </td>
+    <td> **** </td>
+  </tr>

.github/workflows/sonar.yml

@@ -0,0 +1,27 @@
+name: sonar
+on:
+  pull_request:
+    branches:
+      - main
+      - v*
+    paths:
+      - 'frontend/**'
+defaults:
+  run:
+    working-directory: frontend
+jobs:
+  sonar-analysis:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+        with: 
+          fetch-depth: 0
+      - name: Sonar analysis
+        uses: sonarsource/sonarcloud-github-action@master
+        with:
+          projectBaseDir: frontend
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+

frontend/sonar-project.properties

@@ -0,0 +1,6 @@
+sonar.organization=szatyinadam
+sonar.projectKey=szatyinadam_signoz
+
+# relative paths to source directories. More details and properties are described
+# in https://sonarcloud.io/documentation/project-administration/narrowing-the-focus/
+sonar.sources=./src