feat(argo): Allow setting up ServiceAccount and RBAC resources for running workflows (#402)

charts/argo/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v1
 appVersion: v2.8.0
 description: A Helm chart for Argo Workflows
 name: argo
-version: 0.10.2
+version: 0.11.0
 icon: https://raw.githubusercontent.com/argoproj/argo/master/docs/assets/argo.png
 home: https://github.com/argoproj/argo-helm
 maintainers:

charts/argo/templates/workflow-rb.yaml

@@ -0,0 +1,19 @@
+{{- if .Values.workflow.rbac.create -}}
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  name: {{ .Release.Name }}-workflow
+{{- if .Values.workflow.namespace }}
+  namespace: {{ .Values.workflow.namespace }}
+{{- end }}
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: {{ .Release.Name }}-workflow
+subjects:
+- kind: ServiceAccount
+  name: {{ .Values.workflow.serviceAccount.name }}
+  {{- if .Values.workflow.namespace }}
+  namespace: {{ .Values.workflow.namespace }}
+  {{- end }}
+{{- end }}

charts/argo/templates/workflow-role.yaml

@@ -0,0 +1,25 @@
+{{- if .Values.workflow.rbac.create -}}
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  name: {{ .Release.Name }}-workflow
+  {{- if .Values.workflow.namespace }}
+  namespace: {{ .Values.workflow.namespace }}
+  {{- end }}
+rules:
+- apiGroups:
+  - ""
+  resources:
+  - pods
+  verbs:
+  - get
+  - watch
+  - patch
+- apiGroups:
+  - ""
+  resources:
+  - pods/log
+  verbs:
+  - get
+  - watch
+{{- end }}

charts/argo/templates/workflow-sa.yaml

@@ -0,0 +1,13 @@
+{{- if .Values.workflow.serviceAccount.create -}}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ .Values.workflow.serviceAccount.name }}
+  {{- if .Values.workflow.namespace }}
+  namespace: {{ .Values.workflow.namespace }}
+  {{- end }}
+  {{- with .Values.workflow.serviceAccount.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+{{- end }}

charts/argo/values.yaml

@@ -23,6 +23,15 @@ createAggregateRoles: true
 # and start argo-cli with the --namespaced flag. Use it in clusters with strict access policy.
 singleNamespace: false
 
+workflow:
+  namespace: ""  # Speficy namespace if workflows run in another namespace than argo. This controls where the service account and RBAC resources will be created.
+  serviceAccount:
+    create: false  # Specifies whether a service account should be created
+    annotations: {}
+    name: "argo-workflow"  # Service account which is used to run workflows
+  rbac:
+    create: false  # adds Role and RoleBinding for the above specified service account to be able to run workflows
+
 controller:
   image:
     # Overrides .images.tag if defined.