neerajmangal commented on a change in pull request #482: Add configurations for 
prometheus and metrics
URL: 
https://github.com/apache/incubator-openwhisk-deploy-kube/pull/482#discussion_r295149378
 
 

 ##########
 File path: helm/openwhisk/templates/invoker-pod.yaml
 ##########
 @@ -169,7 +169,22 @@ spec:
           # properties for zookeeper connection
           - name: "ZOOKEEPER_HOSTS"
             value: "{{ include "openwhisk.zookeeper_connect" . }}"
-
+{{ if .Values.metrics.prometheusEnabled }}
+          - name: "OPENWHISK_ENCODED_CONFIG"
 
 Review comment:
   Just a suggestion, instead of having `OPENWHISK_ENCODED_CONFIG` can we have 
Config_whisk_metrics_prometheusEnabled env to true, if that works. As 
`OPENWHISK_ENCODED_CONFIG` env is general purpose typesafe config file but here 
it seems only applicable when `.Values.metrics.prometheusEnabled `. 
   
   In the future, we may think of having all (or most) env generated from 
values via templates and then passed for each component separately using 
OPENWHISK_ENCODED_CONFIG for consistency.  WDYT?

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