feat: support deploying pika_exporter components using kubeblocks (#2473

)

Co-authored-by: liuchengyu <[email protected]>

tools/kubeblocks_helm/pika-cluster/templates/cluster.yaml

@@ -115,6 +115,23 @@ spec:
                 storage: {{ .size }}
         {{- end }}
       {{- end }}
+    - name: pika-exporter
+      {{- if .Values.useLegacyCompDef }}
+      componentDefRef: pika-exporter # ref clusterDefinition.componentDefs[x].name
+      {{- else }}
+      componentDef: pika-exporter # ref componentDefinition name
+      {{- end }}
+      monitor: {{ .Values.monitor.enabled | default false }}
+      replicas: 1
+      {{- with  .Values.resources.pikaExporter }}
+      resources:
+        limits:
+          cpu: {{ .limits.cpu | quote }}
+          memory: {{ .limits.memory | quote }}
+        requests:
+          cpu: {{ .requests.cpu | quote }}
+          memory: {{ .requests.memory | quote }}
+      {{- end }}
     - name: codis-proxy
       {{- if .Values.useLegacyCompDef }}
       componentDefRef: codis-proxy # ref clusterDefinition.componentDefs[x].name

tools/kubeblocks_helm/pika-cluster/values.yaml

@@ -6,7 +6,7 @@
 # This is a YAML-formatted file.
 # Declare variables to be passed into your templates.
 # if useLegacyCompDef is false ,cluster will be rendered by component definition rather than componentDefRef in cluster definition
-useLegacyCompDef: false
+useLegacyCompDef: true
 
 nameOverride: ""
 fullnameOverride: ""
@@ -52,6 +52,13 @@ resources:
     requests:
       cpu: 500m
       memory: 1Gi
+  pikaExporter:
+    limits:
+      cpu: 500m
+      memory: 3Gi
+    requests:
+      cpu: 500m
+      memory: 1Gi
   codisProxy:
     limits:
       cpu: 500m

tools/kubeblocks_helm/pika/config/exporter-info.tpl

@@ -0,0 +1,12 @@
+server = true
+data = true
+clients = true
+stats = true
+cpu = true
+replication = true
+keyspace = true
+cache = true
+
+execcount = false
+commandstats = false
+rocksdb = false