Update prometheus chart version from 7.1.0 to 9.3.0 (#1389)

charts/fission-core/requirements.lock

@@ -1,6 +1,6 @@
 dependencies:
 - name: prometheus
   repository: https://kubernetes-charts.storage.googleapis.com
-  version: 7.1.0
-digest: sha256:867c8666d4dee6ae36b0e418f132f3187fd189bcbb36875f2c06e3fbe2402cfe
-generated: 2019-06-03T10:47:50.335101619Z
+  version: 9.3.1
+digest: sha256:33395db6ac17f57dab0e60a47a3e029c59aa4a58fb1695c73b8ea6f0754eaf0c
+generated: 2019-11-09T02:56:58.282692+08:00

charts/fission-core/requirements.yaml

@@ -1,5 +1,5 @@
 dependencies:
   - name: prometheus
-    version: 7.1.0
+    version: 9.3.1
     repository: https://kubernetes-charts.storage.googleapis.com
-    condition: prometheusDeploy
+    condition: prometheus.enabled

charts/fission-core/templates/_helpers.tpl

@@ -24,8 +24,10 @@ controller/config.go
 {{- define "config" -}}
 canary:
   enabled: {{ .Values.canaryDeployment.enabled }}
-  {{- if .Values.prometheusDeploy }}
+  {{- if .Values.prometheus.enabled }}
   prometheusSvc: "http://{{ .Release.Name }}-prometheus-server.{{ .Release.Namespace }}"
+  {{- else }}
+  prometheusSvc: {{ .Values.prometheus.serviceEndpoint | default "" | quote }}
   {{- end }}
   {{- printf "\n" -}}
 {{- end -}}

charts/fission-core/values.yaml

@@ -155,8 +155,14 @@ preUpgradeChecksImage: fission/pre-upgrade-checks
 ## summary is returned as part of http response
 debugEnv: false
 
-## set this flag to true if prometheus needs to be deployed along with fission
-prometheusDeploy: false
+## Prometheus for scrapping service metrics
+prometheus:
+  ## set this flag to true if prometheus needs to be deployed along with fission
+  enabled: true
+  
+  ## If enabled is false, please assign the prometheus service URL
+  ## that is accessible by components.
+  serviceEndpoint: ""
 
 ## set this flag to false if you dont need canary deployment feature
 canaryDeployment: