feature: sonar and refactored build ci (#6)

Author: csviri

.github/workflows/build.yml

@@ -0,0 +1,48 @@
+name: Test & Release Snapshot to Maven Central
+
+env:
+  MAVEN_ARGS: -V -ntp -e
+
+concurrency:
+  group: ${{ github.ref }}-${{ github.workflow }}
+  cancel-in-progress: true
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    types: [ opened, synchronize, reopened ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        java: [ 11, 17 ]
+        distribution: [ temurin ]
+        kubernetes: [ 'v1.17.13','v1.18.20','v1.19.14','v1.20.10','v1.21.4', 'v1.22.1' ]
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Java and Maven
+        uses: actions/setup-java@v2
+        with:
+          distribution: ${{ matrix.distribution }}
+          java-version: ${{ matrix.java }}
+          cache: 'maven'
+      - name: Cache SonarCloud packages
+        uses: actions/cache@v1
+        with:
+          path: ~/.sonar/cache
+          key: ${{ runner.os }}-sonar
+          restore-keys: ${{ runner.os }}-sonar
+      - name: Cache Maven packages
+        uses: actions/cache@v1
+        with:
+          path: ~/.m2
+          key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
+          restore-keys: ${{ runner.os }}-m2
+      - name: Build and analyze
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  # Needed to get PR information, if any
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+        run: mvn -B verify org.sonarsource.scanner.maven:sonar-maven-plugin:sonar -Dsonar.projectKey=java-operator-sdk_admission-controller-framework
+

.github/workflows/main-build.yml

@@ -29,6 +29,8 @@
         <java.version>11</java.version>
         <maven.compiler.source>${java.version}</maven.compiler.source>
         <maven.compiler.target>${java.version}</maven.compiler.target>
+        <sonar.organization>java-operator-sdk</sonar.organization>
+        <sonar.host.url>https://sonarcloud.io</sonar.host.url>
 
         <junit.version>5.8.2</junit.version>
         <fabric8-client.version>5.10.1</fabric8-client.version>