feat(argo): Add support for setting env vars for workflow controller. (#517)

Signed-off-by: Vlad Losev <vladimir.losev@sage.com>

charts/argo/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v1
 appVersion: v2.11.7
 description: A Helm chart for Argo Workflows
 name: argo
-version: 0.13.10
+version: 0.13.11
 icon: https://raw.githubusercontent.com/argoproj/argo/master/docs/assets/argo.png
 home: https://github.com/argoproj/argo-helm
 maintainers:

charts/argo/templates/workflow-controller-deployment.yaml

@@ -61,6 +61,9 @@ spec:
               fieldRef:
                 apiVersion: v1
                 fieldPath: metadata.namespace
+          {{- with .Values.controller.extraEnv }}
+            {{ toYaml . | nindent 10 }}
+          {{- end }}
           resources:
             {{- toYaml .Values.controller.resources | nindent 12 }}
           {{- if .Values.controller.metricsConfig.enabled }}

charts/argo/values.yaml

@@ -115,6 +115,9 @@ controller:
   # service type `LoadBalancer`
   loadBalancerSourceRanges: []
   resources: {}
+  # The list of environment variable definitions to be added to the controller
+  # manages container verbatim.
+  extraEnv: []
   replicas: 1
   pdb:
     enabled: false