gitea/DroneHelm: support commands anchor, support publishing chart yaml version, support lint+publish in a single step, unified helm repo auth

drone/HelmChart.yml

@@ -6,38 +6,40 @@
     CHART_PATH: "./chart"
     
   commands:
-    - |
+    - &HelmChartLintCommands |
       cd "$CHART_PATH"
       helm lint .
 
 .HelmChartPublish: &HelmChartPublish
   name: HelmChartPublish
-  image: alpine/helm:3.10.0
+  image: alpine/helm:3.10.1
   
   environment:
+    CHART_PATH: "./chart"
     HELM_REPO_NAME: "" # defaults to project name
     HELM_ENDPOINT: "" # defaults to gitea organization helm registry if running in gitea
     HELM_USER: "" # defaults to CI_REGISTRY_USER
     HELM_PASSWORD: "" # defaults to CI_REGISTRY_PASSWORD
+    HELM_LINT: "false"
 
-    CHART_PATH: "./chart"
-
-    TAG_CHART_VERSION_ENABLE: "false"
-    TAG_COMMIT_ENABLE: "true"
+    TAG_COMMIT_ENABLE: "false"
     TAG_COMMIT_BASE_VERSION: "0.0.0"
     TAG_COMMIT_PREFIX: "commit-"
 
     TAG_REF_SLUG_ENABLE: "true"
     TAG_REF_SLUG_BASE_VERSION: "0.0.0"
+
+    TAG_CHART_YAML_VERSION: "false"
     
   commands:
-    # drone does not support expanding vars in environment values, set defaults via bash
-    - if [[ -z "$HELM_REPO_NAME" ]]; then HELM_REPO_NAME=$CI_PROJECT_NAME; fi
-    - if [[ -z "$HELM_USER" ]]; then HELM_USER=$CI_REGISTRY_USER; fi
-    - if [[ -z "$HELM_PASSWORD" ]]; then HELM_PASSWORD=$CI_REGISTRY_PASSWORD; fi
+      
+    - &HelmChartPublishCommands |
+      # drone does not support expanding vars in environment values, set defaults via bash
+      if [[ -z "$HELM_REPO_NAME" ]]; then HELM_REPO_NAME=$CI_PROJECT_NAME; fi
+      if [[ -z "$HELM_USER" ]]; then HELM_USER=$CI_REGISTRY_USER; fi
+      if [[ -z "$HELM_PASSWORD" ]]; then HELM_PASSWORD=$CI_REGISTRY_PASSWORD; fi
 
-    # add default chart endpoints for gitea
-    - |
+      # add default chart endpoints for gitea
       if [[ -z "$HELM_ENDPOINT" ]]; then
         if [[ ! -z "$GITEA_PACKAGES_API" ]]; then
           HELM_ENDPOINT="$GITEA_PACKAGES_API/$CI_PROJECT_NAMESPACE/helm"
@@ -47,41 +49,36 @@
         fi
       fi
     
-    # install plugin chartmuseum/helm-push
-    - helm plugin install https://github.com/chartmuseum/helm-push
+      # install plugin chartmuseum/helm-push
+      helm plugin install https://github.com/chartmuseum/helm-push
 
-    # register repo
-    - helm repo add --username="$HELM_USER" --password="$HELM_PASSWORD" "$HELM_REPO_NAME" "$HELM_ENDPOINT"
+      # register repo
+      helm repo add --username="$HELM_USER" --password="$HELM_PASSWORD" "$HELM_REPO_NAME" "$HELM_ENDPOINT"
 
-    # prepare package
-    - |
       cd "$CHART_PATH"
+
+      # lint if enabled
+      if [[ "$HELM_LINT" == "true" ]]; then
+        helm lint .
+      fi
+
+      # prepare package
       helm package .
 
-    - |
-      if [[ "$GITLAB_HELM_REPO_AUTH" == "true" ]]; then
-        helm repo add --username="${CI_REGISTRY_USER}" --password="${CI_REGISTRY_PASSWORD}" "$HELM_REPO_NAME" $HELM_STABLE_ENDPOINT
-      fi
-
-    # tag based on chart version, install jq first
-    - |
-      if [[ "$TAG_CHART_VERSION_ENABLE" == "true" ]]; then
-        apk add jq
-        CHART_VERSION=$(cat Chart.yaml | yq .version)
-        helm cm-push . "$HELM_REPO_NAME" --version=$CHART_VERSION
-      fi
-
-    # default tag based on commit
-    - |
+      # publish version for commit
       if [[ "$TAG_COMMIT_ENABLE" == "true" ]]; then
         helm cm-push . "$HELM_REPO_NAME" --version=$TAG_COMMIT_BASE_VERSION-$IMAGE_COMMIT_PREFIX$CI_COMMIT_SHA
       fi
 
-    # add tag for reference if available
-    - |
+      # publish version for git branch/tag
       if [[ "$TAG_REF_SLUG_ENABLE" == "true" ]] && [[ ! -z $DRONE_TAG ]]; then
         # special handling for tags: strip leading "v" character if present to allow tags with or without leading "v" to work
         helm cm-push . "$HELM_REPO_NAME" --version="${DRONE_TAG#"v"}"
       elif [[ "$TAG_REF_SLUG_ENABLE" == "true" ]] && [[ -z "$DRONE_PULL_REQUEST" ]] && [[ ! -z $DRONE_BRANCH ]]; then
         helm cm-push . "$HELM_REPO_NAME" --version=$TAG_REF_SLUG_BASE_VERSION-$DRONE_BRANCH
       fi
+    
+      # publish version specified in Chart.yaml 
+      if [[ "$TAG_CHART_YAML_VERSION" == "true" ]]; then
+        helm cm-push . "$HELM_REPO_NAME"
+      fi