Update chart linting (#325)

* Update chart_schema from latest ct upstream

* Update chart linting action

* Add Chart lock file to gitignore.

* Add exporters explicit dependency to pelorus chart

* Fix mangled gitignore line

Author: KevinMGranger

.github/workflows/chart-lint.yml

@@ -20,9 +20,11 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v1
-    
-      - name: Lint Helm charts
-        uses: helm/chart-testing-action@v1.0.0-rc.2
+
+      - name: Install chart-testing tool `ct`
+        uses: helm/chart-testing-action@v2.1.0
         with:
-          command: lint
-          config: ct.yaml
+          version: "v3.4.0"
+
+      - name: Lint charts
+        run: ct lint --config ct.yaml

.gitignore

@@ -146,4 +146,7 @@ policy/
 
 # BATS
 _test/test_helper/
-_test/prometheus/rules.yaml
+_test/prometheus/rules.yaml
+
+# Helm
+charts/pelorus/Chart.lock

chart_schema.yaml

@@ -1,20 +1,37 @@
 name: str()
 home: str(required=False)
 version: str()
+apiVersion: str()
 appVersion: any(str(), num(), required=False)
 description: str(required=False)
 keywords: list(str(), required=False)
 sources: list(str(), required=False)
 maintainers: list(include('maintainer'), required=False)
+dependencies: list(include('dependency'), required=False)
 icon: str(required=False)
 engine: str(required=False)
 condition: str(required=False)
 tags: str(required=False)
 deprecated: bool(required=False)
 kubeVersion: str(required=False)
 annotations: map(str(), str(), required=False)
+type: str(required=False)
 ---
 maintainer:
-  name: str(required=False)
+  name: str()
   email: str(required=False)
-  url: str(required=False)
+  url: str(required=False)
+---
+dependency:
+  name: str()
+  version: str()
+  repository: str(required=False)
+  condition: str(required=False)
+  tags: list(str(), required=False)
+  enabled: bool(required=False)
+  import-values: any(list(str()), list(include('import-value')), required=False)
+  alias: str(required=False)
+---
+import-value:
+  child: str()
+  parent: str()

charts/pelorus/Chart.yaml

@@ -14,4 +14,8 @@ type: application
 
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
-version: 1.4.2
+version: 1.4.3
+
+dependencies:
+  - name: exporters
+    version: "v1.3.0"