Add 'extraResources' to the operator helm chart

Author: moreaut

kubernetes/charts/weblogic-operator/templates/_operator-extra-resources.tpl

@@ -0,0 +1,9 @@
+# Copyright 2018 Oracle Corporation and/or its affiliates.  All rights reserved.
+# Licensed under the Universal Permissive License v 1.0 as shown at http://oss.oracle.com/licenses/upl.
+
+{{- define "operator.extraResources" }}
+{{- range $idx, $element := .extraResources }}
+---
+{{   toYaml $element }}
+{{- end }}
+{{- end }}

kubernetes/charts/weblogic-operator/templates/main.yaml

@@ -14,3 +14,5 @@
 {{- if .Values.createOperator }}
 {{- include "operator.operator" $scope }}
 {{- end }}
+
+{{- include "operator.extraResources" $scope }}

kubernetes/charts/weblogic-operator/values.yaml

@@ -91,3 +91,22 @@ javaLoggingLevel: "INFO"
 
 # elkIntegrationEnabled specifies whether or not ELK integration is enabled.
 elkIntegrationEnabled: false
+
+# extraResources specifies an arbitrary list of extra Kubernetes resources that should be
+# created (and deleted) along with this chart.  It provides an easy way for the
+# customer to attach extra Kubernetes resources to the lifecycle of this chart.
+#
+# Example: create an extra persistent volume and persistent claim when this chart is
+# installed, and remove them when this chart is deleted:
+#
+# extraResources:
+# - kind: PersistentVolume
+#   apiVersion: v1
+#   metadata: ...
+#   spec: ...
+# - kind: PersistentVolumeClaim
+#   apiVersion: v1
+#   metadata: ...
+#   spec: ...
+#
+extraResources: {}