Update Armada Tiller Chart

We are seeing error [0] during deployment.

This is an attempt to fix the issue.

[0] Error Messages

StatusCode.UNKNOWN, configmaps is forbidden:
User "system:serviceaccount:kube-system:default" cannot list configmaps in the namespace "kube-system"

Change-Id: I9b962d3b173fc59685c95901581c4ad0f31aa4b9

charts/tiller/requirements.yaml

@@ -0,0 +1,18 @@
+# Copyright 2018 AT&T Intellectual Property.  All other rights reserved.
+#
+# Licensed 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.
+
+dependencies:
+  - name: helm-toolkit
+    repository: http://localhost:8879/charts
+    version: 0.1.0

charts/tiller/templates/deployment-tiller.yaml

@@ -16,6 +16,22 @@ limitations under the License.
 
 {{- if .Values.manifests.deployment_tiller }}
 {{- $envAll := . }}
+{{- $dependencies := .Values.dependencies.tiller_deploy }}
+{{- $serviceAccountName := "tiller-deploy" }}
+{{ tuple $envAll $dependencies $serviceAccountName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRoleBinding
+metadata:
+  name: run-tiller
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: cluster-admin
+subjects:
+- kind: ServiceAccount
+  name: {{ $serviceAccountName }}
+  namespace: {{ .Release.Namespace }}
 ---
 apiVersion: extensions/v1beta1
 kind: Deployment
@@ -41,6 +57,7 @@ spec:
         app: helm
         name: tiller
     spec:
+      serviceAccountName: {{ $serviceAccountName }}
       containers:
       - env:
         - name: TILLER_NAMESPACE

charts/tiller/templates/rbac.yaml

@@ -1,35 +0,0 @@
-{{/*
-Licensed 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.manifests.rbac }}
----
-apiVersion: v1
-kind: ServiceAccount
-metadata:
-  name: tiller
-  namespace: {{ .Release.Namespace }}
----
-apiVersion: rbac.authorization.k8s.io/v1beta1
-kind: ClusterRoleBinding
-metadata:
-  name: tiller
-roleRef:
-  apiGroup: rbac.authorization.k8s.io
-  kind: ClusterRole
-  name: cluster-admin
-subjects:
-- kind: ServiceAccount
-  name: tiller
-  namespace: {{ .Release.Namespace }}
-{{- end }}

charts/tiller/values.yaml

@@ -14,6 +14,9 @@
 
 # namespace: "kube-system"
 
+dependencies:
+  tiller_deploy:
+
 images:
   tags:
     tiller: gcr.io/kubernetes-helm/tiller:v2.7.2
@@ -21,6 +24,9 @@ images:
   pull_policy: "IfNotPresent"
 
 deployment:
+  # NOTE: CUrrent replica is hard-coded to 1. This is a placeholder variable
+  # for future usage. Updates will be made to the chart when we know that
+  # tiller is stable with multiple instances.
   replicas: 1
   # The amount of revision tiller is willing to support. 0 means that there is
   # no limit.
@@ -29,4 +35,3 @@ deployment:
 manifests:
   deployment_tiller: true
   service_tiller: true
-  rbac: true