Add quality gate workflow.

.github/workflows/quality-gate.yml

@@ -0,0 +1,82 @@
+name: Quality gate
+
+on:
+  push:
+    branches:
+      - '**'
+  pull_request:
+    branches:
+      - '**'
+    types: [ opened, synchronize, reopened ]
+
+jobs:
+  sonar:
+    name: SonarQube Analysis
+    runs-on: ubuntu-latest
+    permissions: write-all
+
+    steps:
+      - name: ⬇️ Checkout Code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: 🔧 Setup Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.11"
+
+      - name: 🗄️ Cache Python dependencies
+        uses: actions/cache@v3
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
+
+      - name: Configure SSH
+        uses: webfactory/ssh-agent@v0.9.0
+        with:
+          ssh-private-key: |
+            ${{ secrets.SSH_PRIVATE_KEY_DATAOPS }}
+            ${{ secrets.SSH_PRIVATE_KEY_MLOPS }}
+
+      - name: Add github.com to known_hosts
+        run: |
+          mkdir -p ~/.ssh
+          ssh-keyscan github.com >> ~/.ssh/known_hosts
+
+      - name: 📦 Install Dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+          pip install pytest pytest-cov
+      
+      - name: ⬇️ Setup Node.js 18
+        uses: actions/setup-node@v4
+        with:
+          node-version: 18
+
+      - name: 📥 Setup SonarScanner
+        uses: warchant/setup-sonar-scanner@v7
+
+      - name: 🧪 Run Tests with Pytest
+        run: |
+          pytest tests --junitxml=pytest.xml --cov=scouter --cov-report=xml --cov-report=term
+
+      - name: 📊 Run SonarQube Analysis
+        env:
+          SONAR_PROJECT_KEY: ${{ secrets.SONAR_PROJECT_KEY }}
+          SONAR_HOST_URL: ${{ secrets.SONAR_HOST_URL }}
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+        run: |
+          sonar-scanner \
+            -Dsonar.projectKey=$SONAR_PROJECT_KEY \
+            -Dsonar.sources=scouter \
+            -Dsonar.tests=tests \
+            -Dsonar.python.coverage.reportPaths=coverage.xml \
+            -Dsonar.python.xunit.reportPath=pytest.xml \
+            -Dsonar.host.url=$SONAR_HOST_URL \
+            -Dsonar.token=$SONAR_TOKEN \
+            -Dsonar.python.version=3.11 \
+            -Dsonar.projectVersion=1.0.0