[argo] Add workflow persistence configuration (#133)

charts/argo/Chart.yaml

@@ -2,5 +2,5 @@ apiVersion: v1
 appVersion: "v2.4.2"
 description: A Helm chart for Argo Workflows
 name: argo
-version: 0.6.0
+version: 0.6.1
 icon: https://raw.githubusercontent.com/argoproj/argo/master/argo.png

charts/argo/templates/workflow-controller-config-map.yaml

@@ -43,3 +43,6 @@ data:
     {{- if .Values.controller.telemetryConfig.enabled }}
     telemetryConfig:
 {{ toYaml .Values.controller.telemetryConfig | indent 6}}{{- end }}
+    {{- if .Values.controller.persistence }}
+    persistence:
+{{ toYaml .Values.controller.persistence | indent 6 }}{{- end }}

charts/argo/values.yaml

@@ -29,6 +29,24 @@ controller:
     enabled: false
     path: /metrics
     port: 8080
+    persistence: {}
+    #  connectionPool:
+    #    maxIdleConns: 100
+    #    maxOpenConns: 0
+    #  # save the entire workflow into etcd and DB
+    #  nodeStatusOffLoad: false
+    #  postgresql:
+    #    host: localhost
+    #    port: 5432
+    #    database: postgres
+    #    tableName: argo_workflows
+    #    # the database secrets must be in the same namespace of the controller
+    #    userNameSecret:
+    #      name: argo-postgres-config
+    #      key: username
+    #    passwordSecret:
+    #      name: argo-postgres-config
+    #      key: password
   telemetryConfig:
     enabled: false
     path: /telemetry