Convert helm-charts-observability to regular directory

helm-charts-observability/.github/workflows/lint-test.yaml

@@ -0,0 +1,51 @@
+# See https://github.com/helm/chart-testing-action
+name: Lint and Test Charts
+
+on: [pull_request, workflow_dispatch]
+
+jobs:
+  lint-test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        k8s: ["1.19.16", "1.21.14", "1.22.9", "1.23.12", "1.24.7", "1.25.2"]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        with:
+          fetch-depth: 0
+          persist-credentials: false
+
+      - name: Install Helm
+        uses: azure/setup-helm@18bc76811624f360dbd7f18c2d4ecb32c7b87bab # v1.1 # TODO: update version
+        with:
+          version: v3.7.0
+
+      - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6
+        with:
+          python-version: '3.8'
+
+      - name: Install chart-testing
+        uses: helm/chart-testing-action@5f16c27cf7a4fa9c776ff73734df3909b2b65127 # v2.1.0
+
+      - name: Run chart-testing (list-changed)
+        id: list-changed
+        run: |
+          changed=$(ct list-changed --config ct.yaml)
+          if [[ -n "$changed" ]]; then
+            echo "CHART_CHANGED=true" >> $GITHUB_ENV
+          fi
+
+      - name: Run chart-testing (lint)
+        run: ct lint --config ct.yaml
+
+      - name: Create kind cluster
+        uses: helm/kind-action@9e8295d178de23cbfbd8fa16cf844eec1d773a07 # v1.4.0
+        with:
+          node_image: kindest/node:v${{ matrix.k8s }}
+          kubectl_version: v${{ matrix.k8s }}
+        if: ${{ env.CHART_CHANGED == 'true' }}
+
+      # See https://github.com/helm/chart-testing/blob/main/doc/ct_install.md
+      - name: Run chart-testing (install)
+        run: ct install --config ct.yaml --debug