chart: cnpg synchronous

Author: mdluo

charts/cnpg-cluster/Chart.yaml

@@ -15,7 +15,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.1.8
+version: 0.1.9
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to

charts/cnpg-cluster/templates/cnpg-cluster.yaml

@@ -50,6 +50,13 @@ spec:
       # Max connections from pooler + some overhead
       max_connections: {{ include "cnpg-cluster.maxConnections" . | quote }}
 
+    # https://cloudnative-pg.io/documentation/current/replication/#required-data-durability
+    # https://cloudnative-pg.io/documentation/current/cloudnative-pg.v1/#postgresql-cnpg-io-v1-SynchronousReplicaConfiguration
+    synchronous:
+      dataDurability: required
+      method: any
+      number: 1
+
   # https://cloudnative-pg.io/documentation/current/storage/
   storage:
     storageClass: {{ .Values.storageClass }}