Rethink the db-operator chart testing (#16)

Co-authored-by: Denis Dabischa <[email protected]>

.github/workflows/helm-workflow.yaml

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+name: Helm
+on: push
+env:
+  HELM_VERSION: v3.12.1
+  PYTHON_VERSION: 3.9
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - name: Set up Go
+        uses: actions/setup-go@v3
+      - name: Set up Helm
+        uses: azure/setup-helm@v3
+        with:
+          version: ${{ env.HELM_VERSION }}
+      - uses: actions/setup-python@v4
+        with:
+          python-version: ${{ env.PYTHON_VERSION }}
+          check-latest: true
+      - name: Set up chart-testing
+        uses: helm/[email protected]
+      - name: Run chart-testing (lint)
+        run: ct lint --target-branch main --validate-maintainers=false
+  test-values:
+    needs: lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Run the test
+        run: |
+          cd charts/db-operator
+          ./scripts/test_values -p ./ci/unit-test
+  test:
+    needs: test-values
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        k8s_version:
+          - v1.22.15
+          - v1.23.17
+          - v1.24.15
+          - v1.25.11
+          - v1.26.6
+          - v1.27.3
+          - v1.28.0
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - name: Set up Go
+        uses: actions/setup-go@v3
+      - name: Set up Helm
+        uses: azure/setup-helm@v3
+        with:
+          version: ${{ env.HELM_VERSION }}
+      - uses: actions/setup-python@v4
+        with:
+          python-version: ${{ env.PYTHON_VERSION }}
+          check-latest: true
+      - name: Set up chart-testing
+        uses: helm/[email protected]
+      # It's not used anymore, but it's a small step, maybe we'll need it in the future, so let it be here
+      - name: Run chart-testing (list-changed)
+        id: list-changed
+        run: |
+          changed=$(ct list-changed --target-branch ${{ github.event.repository.default_branch }})
+          if [[ -n "$changed" ]]; then
+            echo "changed=true" >> "$GITHUB_OUTPUT"
+          fi
+      - name: Setup helmfile
+        uses: mamezou-tech/[email protected]
+      - name: Prepare a config for the kind cluster
+        run: |
+          cat > kind-config.yaml <<EOF
+          # three node (two workers) cluster config
+          kind: Cluster
+          apiVersion: kind.x-k8s.io/v1alpha4
+          nodes:
+            - role: control-plane
+            - role: worker
+            - role: worker
+          EOF
+      - name: Create kind cluster
+        uses: helm/[email protected]
+        with:
+          node_image: kindest/node:${{ matrix.k8s_version }}
+          config: ./kind-config.yaml
+      - name: Test db-operator charts install
+        run: |
+          helmfile -l name=prometheus-stack sync
+          helmfile sync
+          ct install --target-branch main --charts ./charts/db-operator
+          helmfile destroy
+      # -- TODO: Enable it when new tests are used in main
+      # - name: Test db-operator charts upgrade
+      #   run: make test-upgrade
+      - name: Test db-instances charts install
+        run: |
+          helmfile -l name=prometheus-stack sync
+          helmfile sync -e instances
+          kubectl rollout status deploy/db-operator -n db-operator
+          kubectl rollout status deploy/db-operator-webhook -n db-operator
+          ct install --target-branch main --charts ./charts/db-instances
+          helmfile destroy
+        # -- TODO: Enable it when new tests are used in main
+        # - name: Test db-instances charts upgrade
+        #   run: make test-upgrade-instances
+  release:
+    runs-on: ubuntu-latest
+    needs: test
+    if: github.ref == 'refs/heads/main'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - name: Configure Git
+        run: |
+          git config user.name "$GITHUB_ACTOR"
+          git config user.email "[email protected]"
+      - name: Install Helm
+        uses: azure/setup-helm@v3
+        with:
+          version: v3.9.4
+      - name: Run chart-releaser
+        uses: helm/[email protected]
+        env:
+          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"

.gitignore

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+bin
+
+ci-gen*.yaml

.yamlfmt

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+formatter:
+  pad_line_comments: 2