Add back tests for examples

Signed-off-by: Marco Franssen <[email protected]>

.github/workflows/helm-chart-ci.yaml

@@ -12,6 +12,7 @@ on:
       - '.github/tests/**/*.sh'
       - '.github/tests/**/*.json'
       - 'examples/**/*.yaml'
+      - 'examples/**/*.sh'
       - 'tests/**/*'
       - 'helm-docs.sh'
 
@@ -22,6 +23,7 @@ concurrency:
 env:
   HELM_VERSION: v3.12.0
   PYTHON_VERSION: 3.11.3
+  KIND_VERSION: v0.19.0
   CHART_TESTING_VERSION: v3.8.0
 
 jobs:
@@ -160,7 +162,7 @@ jobs:
         uses: helm/[email protected]
         # Only build a kind cluster if there are chart changes to test.
         with:
-          version: v0.19.0
+          version: ${{ env.KIND_VERSION }}
           node_image: kindest/node:${{ matrix.k8s }}
           config: .github/kind/conf/kind-config.yaml
           verbosity: 1
@@ -172,9 +174,67 @@ jobs:
       - name: Run chart-testing (install)
         run: |
           ct install --config ct.yaml \
-            --target-branch ${{ github.base_ref }} \
+            --target-branch ${{ github.base_ref }}
 
       - name: Test summary
         if: always()
         run: ./post-install.sh
         working-directory: .github/tests
+
+  build-matrix:
+    name: Build matrix
+    runs-on: ubuntu-22.04
+
+    steps:
+      - name: Checkout
+        uses: actions/[email protected]
+
+      - id: set-matrix
+        name: Collect all examples
+        run: |
+          examples="$(find examples -maxdepth 2 -type f -name run-tests.sh | xargs -I % dirname %)"
+          examples_json="$(echo "$examples" | jq -c --slurp --raw-input 'split("\n") | map(select(. != ""))')"
+          echo "${examples_json}"
+          echo "examples=$examples_json" >>"$GITHUB_OUTPUT"
+
+    outputs:
+      examples: ${{ steps.set-matrix.outputs.examples }}
+
+  example-test:
+    runs-on: ubuntu-22.04
+
+    needs:
+      - lint-chart
+      - build-matrix
+
+    strategy:
+      fail-fast: false
+      matrix:
+        example:
+          - ${{ fromJson(needs.build-matrix.outputs.examples) }}
+
+    steps:
+      - name: Checkout
+        uses: actions/[email protected]
+
+      - name: Set up Helm
+        uses: azure/[email protected]
+        with:
+          version: ${{ env.HELM_VERSION }}
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ env.PYTHON_VERSION }}
+
+      - name: Create kind cluster
+        uses: helm/[email protected]
+        # Only build a kind cluster if there are chart changes to test.
+        with:
+          version: ${{ env.KIND_VERSION }}
+          node_image: kindest/node:v1.26.4
+          config: .github/kind/conf/kind-config.yaml
+          verbosity: 1
+
+      - name: Install and test example
+        run: ${{ matrix.example }}/run-tests.sh