feat(helm): improve pvc management

helm/kamaji/templates/etcd_sts.yaml

@@ -58,6 +58,8 @@ spec:
             - --peer-key-file=/etc/etcd/pki/peer-key.pem
             - --auto-compaction-mode=periodic
             - --auto-compaction-retention=5m
+            - --snapshot-count=10000
+            - --quota-backend-bytes=8589934592
             - --v=8
           env:
             - name: POD_NAME
@@ -77,11 +79,15 @@ spec:
             {{- toYaml . | nindent 12 }}
           {{- end }}
   volumeClaimTemplates:
-    - metadata:
-        name: data
-      spec:
-        accessModes: ["ReadWriteOnce"]
-        resources:
-          requests:
-            storage: 8Gi
+  - metadata:
+      name: data
+    spec:
+      storageClassName: {{ .Values.etcd.persistence.storageClassName }}
+      accessModes:
+      {{- range .Values.etcd.persistence.accessModes }}
+      - {{ . | quote }}
+      {{- end }}
+      resources:
+        requests:
+          storage: {{ .Values.etcd.persistence.size }}
 {{- end }}

helm/kamaji/values.yaml

@@ -44,6 +44,12 @@ etcd:
     create: true
     # -- Define the ServiceAccount name to use during the setup and provision of the etcd backing storage (default: "")
     name: ""
+  persistence:
+    size: 10Gi
+    storageClass: ""
+    accessModes:
+    - ReadWriteOnce
+
   overrides:
     caSecret:
       # -- Name of the secret which contains CA's certificate and private key. (default: "etcd-certs")
@@ -59,7 +65,6 @@ etcd:
     endpoints: "https://etcd-0.etcd.kamaji-system.svc.cluster.local:2379,https://etcd-1.etcd.kamaji-system.svc.cluster.local:2379,https://etcd-2.etcd.kamaji-system.svc.cluster.local:2379"
   # -- ETCD Compaction interval (e.g. "5m0s"). (default: "0" (disabled))
   compactionInterval: 0
-  # -- Number of committed transactions to trigger a snapshot to disk.
 
 # -- The address the probe endpoint binds to. (default ":8081")
 healthProbeBindAddress: ":8081"