chart: bump version to 0.3.1 and update pooler connection validation logic

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: 0.3.0
+version: 0.3.1
 
 # 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-pooler-ro.yaml

@@ -1,4 +1,5 @@
-{{- if and .Values.pooler.ro.enabled (gt (.Values.pooler.ro.instances | int) 0) (gt (.Values.connections.pooler | int) 0) }}
+{{- $poolerConn := include "cnpg-cluster.poolerConnections" . | int }}
+{{- if and .Values.pooler.ro.enabled (gt (.Values.pooler.ro.instances | int) 0) (gt $poolerConn 0) }}
 apiVersion: postgresql.cnpg.io/v1
 kind: Pooler
 metadata:

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

@@ -1,4 +1,5 @@
-{{- if and .Values.pooler.rw.enabled (gt (.Values.pooler.rw.instances | int) 0) (gt (.Values.connections.pooler | int) 0) }}
+{{- $poolerConn := include "cnpg-cluster.poolerConnections" . | int }}
+{{- if and .Values.pooler.rw.enabled (gt (.Values.pooler.rw.instances | int) 0) (gt $poolerConn 0) }}
 apiVersion: postgresql.cnpg.io/v1
 kind: Pooler
 metadata: