feat: Helm - custom service account creation and management (#17880)

* feat: Custom service account creation and management

* bump helm chart version

* add custom service account in init-job

* service account creation template

* changed service account creation template

* add license

helm/superset/Chart.yaml

@@ -22,7 +22,7 @@ maintainers:
   - name: craig-rueda
     email: craig@craigrueda.com
     url: https://github.com/craig-rueda
-version: 0.5.1
+version: 0.5.2
 dependencies:
 - name: postgresql
   version: 10.2.0

helm/superset/templates/_helpers.tpl

@@ -42,6 +42,17 @@ If release name contains chart name it will be used as a full name.
 {{- end -}}
 {{- end -}}
 
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "superset.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create -}}
+{{- default (include "superset.fullname" .) .Values.serviceAccountName -}}
+{{- else -}}
+{{- default "default" .Values.serviceAccountName -}}
+{{- end -}}
+{{- end -}}
+
 {{/*
 Create chart name and version as used by the chart label.
 */}}

helm/superset/templates/deployment-worker.yaml

@@ -54,8 +54,8 @@ spec:
         app: {{ template "superset.name" . }}-worker
         release: {{ .Release.Name }}
     spec:
-      {{- if .Values.serviceAccountName }}
-      serviceAccountName: {{ .Values.serviceAccountName }}
+      {{- if or (.Values.serviceAccount.create) (.Values.serviceAccountName) }}
+      serviceAccountName: {{ template "superset.serviceAccountName" . }}
       {{- end }}
       securityContext:
         runAsUser: {{ .Values.runAsUser }}

helm/superset/templates/deployment.yaml

@@ -57,8 +57,8 @@ spec:
         app: {{ template "superset.name" . }}
         release: {{ .Release.Name }}
     spec:
-      {{- if .Values.serviceAccountName }}
-      serviceAccountName: {{ .Values.serviceAccountName }}
+      {{- if or (.Values.serviceAccount.create) (.Values.serviceAccountName) }}
+      serviceAccountName: {{ template "superset.serviceAccountName" . }}
       {{- end }}
       securityContext:
         runAsUser: {{ .Values.runAsUser }}

helm/superset/templates/init-job.yaml

@@ -31,6 +31,9 @@ spec:
         {{ toYaml .Values.init.podAnnotations | nindent 8 }}
       {{- end }}
     spec:
+      {{- if or (.Values.serviceAccount.create) (.Values.serviceAccountName) }}
+      serviceAccountName: {{ template "superset.serviceAccountName" . }}
+      {{- end }}
       securityContext:
         runAsUser: {{ .Values.runAsUser }}
       {{- if .Values.init.initContainers }}

helm/superset/templates/service-account.yaml

@@ -0,0 +1,31 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+{{- if .Values.serviceAccount.create -}}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ include "superset.serviceAccountName" . }}
+  labels:
+    app.kubernetes.io/name: {{ include "superset.name" . }}
+    helm.sh/chart: {{ include "superset.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+    {{- if semverCompare "> 1.6" .Capabilities.KubeVersion.GitVersion }}
+    kubernetes.io/cluster-service: "true"
+    {{- end }}
+    addonmanager.kubernetes.io/mode: Reconcile
+{{- end -}}

helm/superset/values.yaml

@@ -25,6 +25,11 @@ replicaCount: 1
 # Runn containers as root is not recommended in production. Change this to another UID - e.g. 1000 to be more secure
 runAsUser: 0
 
+# Create custom service account for Superset. If create: true and name is not provided, superset.fullname will be used.
+# serviceAccountName: superset
+serviceAccount:
+  create: false
+
 # Install additional packages and do any other bootstrap configuration in this script
 # For production clusters it's recommended to build own image with this step done in CI
 bootstrapScript: |