chore(charts): add diagnostic mode

Author: duanhongyi

charts/monitor/templates/monitor-grafana-deployment.yaml

@@ -6,7 +6,7 @@ metadata:
   labels:
     heritage: drycc
   annotations:
-    component.drycc.cc/version: {{ .Values.grafana.imageTag }}
+    component.drycc.cc/version: {{ .Values.imageTag }}
 spec:
   replicas: 1
   strategy:
@@ -32,8 +32,12 @@ spec:
         runAsUser: 1001
       containers:
       - name: drycc-monitor-grafana
-        image: {{.Values.grafana.imageRegistry}}/{{.Values.grafana.imageOrg}}/grafana:{{.Values.grafana.imageTag}}
-        imagePullPolicy: {{.Values.grafana.imagePullPolicy}}
+        image: {{.Values.imageRegistry}}/{{.Values.imageOrg}}/grafana:{{.Values.imageTag}}
+        imagePullPolicy: {{.Values.imagePullPolicy}}
+        {{- if .Values.diagnosticMode.enabled }}
+        command: {{- include "common.tplvalues.render" (dict "value" .Values.diagnosticMode.command "context" $) | nindent 10 }}
+        args: {{- include "common.tplvalues.render" (dict "value" .Values.diagnosticMode.args "context" $) | nindent 10 }}
+        {{- end }}
         {{- if or (.Values.grafana.limitsCpu) (.Values.grafana.limitsMemory)}}
         resources:
           limits:

charts/monitor/templates/monitor-telegraf-daemon.yaml

@@ -5,7 +5,7 @@ metadata:
   labels:
     heritage: drycc
   annotations:
-    component.drycc.cc/version: {{ .Values.telegraf.imageTag }}
+    component.drycc.cc/version: {{ .Values.imageTag }}
 spec:
   selector:
     matchLabels:
@@ -26,7 +26,7 @@ spec:
       serviceAccount: drycc-monitor-telegraf
       initContainers:
       - name: drycc-monitor-telegraf-init
-        image: {{.Values.telegraf.imageRegistry}}/{{.Values.telegraf.imageOrg}}/python-dev:latest
+        image: {{.Values.imageRegistry}}/{{.Values.imageOrg}}/python-dev:latest
         imagePullPolicy: {{.Values.imagePullPolicy}}
         args:
         - netcat
@@ -36,8 +36,12 @@ spec:
         {{- include "telegraf.envs" . | indent 8 }}
       containers:
       - name: drycc-monitor-telegraf
-        image: {{.Values.telegraf.imageRegistry}}/{{.Values.telegraf.imageOrg}}/telegraf:{{.Values.telegraf.imageTag}}
-        imagePullPolicy: {{.Values.telegraf.imagePullPolicy}}
+        image: {{.Values.imageRegistry}}/{{.Values.imageOrg}}/telegraf:{{.Values.imageTag}}
+        imagePullPolicy: {{.Values.imagePullPolicy}}
+        {{- if .Values.diagnosticMode.enabled }}
+        command: {{- include "common.tplvalues.render" (dict "value" .Values.diagnosticMode.command "context" $) | nindent 10 }}
+        args: {{- include "common.tplvalues.render" (dict "value" .Values.diagnosticMode.args "context" $) | nindent 10 }}
+        {{- end }}
         {{- if or (.Values.telegraf.limitsCpu) (.Values.telegraf.limitsMemory)}}
         resources:
           limits:

charts/monitor/values.yaml

@@ -1,8 +1,24 @@
+imageOrg: "drycc"
+imagePullPolicy: "Always"
+imageTag: "canary"
+imageRegistry: "registry.drycc.cc"
+
+## Enable diagnostic mode
+##
+diagnosticMode:
+  ## @param diagnosticMode.enabled Enable diagnostic mode (all probes will be disabled and the command will be overridden)
+  ##
+  enabled: false
+  ## @param diagnosticMode.command Command to override all containers
+  ##
+  command:
+    - sleep
+  ## @param diagnosticMode.args Args to override all containers
+  ##
+  args:
+    - infinity
+
 grafana:
-  imageOrg: "drycc"
-  imagePullPolicy: "Always"
-  imageTag: "canary"
-  imageRegistry: "registry.drycc.cc"
   # limitsCpu: "100m"
   # limitsMemory: "50Mi"
   nodeAffinityPreset:
@@ -41,10 +57,6 @@ grafana:
   passportSecret: ""
 
 telegraf:
-  imageOrg: "drycc"
-  imagePullPolicy: "Always"
-  imageTag: "canary"
-  imageRegistry: "registry.drycc.cc"
   # limitsCpu: "100m"
   # limitsMemory: "50Mi"
   postgresqlConnection: ""