rebase this chart on cnpg provided chart

charts/postgres-cluster/templates/_external_source_cluster.tpl

@@ -0,0 +1,33 @@
+{{- define "cluster.externalSourceCluster" -}}
+{{- $name := first . -}}
+{{- $config := last . -}}
+- name: {{ first . }}
+  connectionParameters:
+    host: {{ $config.host | quote }}
+    port: {{ $config.port | quote }}
+    user: {{ $config.username | quote }}
+    {{- with $config.database }}
+    dbname: {{ . | quote }}
+    {{- end }}
+    sslmode: {{ $config.sslMode | quote }}
+  {{- if $config.passwordSecret.name }}
+  password:
+    name: {{ $config.passwordSecret.name }}
+    key: {{ $config.passwordSecret.key }}
+  {{- end }}
+  {{- if $config.sslKeySecret.name }}
+  sslKey:
+    name: {{ $config.sslKeySecret.name }}
+    key: {{ $config.sslKeySecret.key }}
+  {{- end }}
+  {{- if $config.sslCertSecret.name }}
+  sslCert:
+    name: {{ $config.sslCertSecret.name }}
+    key: {{ $config.sslCertSecret.key }}
+  {{- end }}
+  {{- if $config.sslRootCertSecret.name }}
+  sslRootCert:
+    name: {{ $config.sslRootCertSecret.name }}
+    key: {{ $config.sslRootCertSecret.key }}
+  {{- end }}
+{{- end }}