Make loglevel for controller and invoker configurable (#621)

Co-authored-by: ning.yougang <[email protected]>

Author: ningyougang

helm/openwhisk/templates/controller-pod.yaml

@@ -186,6 +186,8 @@ spec:
         - name: "CONFIG_whisk_userEvents_enabled"
           value: "true"
 {{ end }}
+        - name: "CONFIG_logback_log_level"
+          value: "{{ .Values.controller.loglevel }}"
 {{- if eq .Values.activationStoreBackend "ElasticSearch" }}
         - name: "CONFIG_whisk_activationStore_elasticsearch_protocol"
           value: "{{ .Values.elasticsearch.protocol }}"

helm/openwhisk/templates/invoker-pod.yaml

@@ -189,6 +189,8 @@ spec:
           - name: "CONFIG_whisk_userEvents_enabled"
             value: "true"
 {{ end }}
+          - name: "CONFIG_logback_log_level"
+            value: "{{ .Values.invoker.loglevel }}"
 {{- if eq .Values.activationStoreBackend "ElasticSearch" }}
           - name: "CONFIG_whisk_activationStore_elasticsearch_protocol"
             value: "{{ .Values.elasticsearch.protocol }}"

helm/openwhisk/values.yaml

@@ -259,6 +259,7 @@ controller:
   options: ""
   jvmHeapMB: "1024"
   jvmOptions: ""
+  loglevel: "INFO"
 
 # Invoker configurations
 invoker:
@@ -270,6 +271,7 @@ invoker:
   options: ""
   jvmHeapMB: "512"
   jvmOptions: ""
+  loglevel: "INFO"
   containerFactory:
     useRunc: false
     impl: "kubernetes"