add serviceTemplate poolers support

Signed-off-by: c-romeo <[email protected]>

Author: c-romeo

charts/cluster/README.md

@@ -282,7 +282,7 @@ refer to  the [CloudNativePG Documentation](https://cloudnative-pg.io/documentat
 | poolers[].authQuery                                 | string                                       | `{}`                                             | The credentials of the user that need to be used for the authentication query.                                                                                                                                                                                                                                                                                                                                                             |
 | poolers[].parameters                                | map[string]string                            | `{}`                                             | Additional parameters to be passed to PgBouncer - please check the CNPG documentation for a list of options you can configure                                                                                                                                                                                                                                                                                                              |
 | poolers[].template                                  | [PodTemplateSpec][PodTemplateSpec]           | `{}`                                             | The template of the Pod to be created                                                                                                                                                                                                                                                                                                                                                                                                      |
-| poolers[].template                                  | [ServiceTemplateSpec][ServiceTemplateSpec]   | `{}`                                             | Template for the Service to be created                                                                                                                                                                                                                                                                                                                                                                                                     |
+| poolers[].serviceTemplate                           | [ServiceTemplateSpec][ServiceTemplateSpec]   | `{}`                                             | Template for the Service to be created                                                                                                                                                                                                                                                                                                                                                                                                     |
 | poolers[].pg_hba                                    | []string                                     | `{}`                                             | PostgreSQL Host Based Authentication rules (lines to be appended to the pg_hba.conf file)                                                                                                                                                                                                                                                                                                                                                  |
 | poolers[].monitoring.enabled                        | bool                                         | `false`                                          | Whether to enable monitoring for the Pooler.                                                                                                                                                                                                                                                                                                                                                                                               |
 | poolers[].monitoring.podMonitor.enabled             | bool                                         | `true`                                           | Create a podMonitor for the Pooler.                                                                                                                                                                                                                                                                                                                                                                                                        |

charts/cluster/templates/pooler.yaml

@@ -46,4 +46,8 @@ spec:
   template:
     {{- . | toYaml | nindent 4 }}
   {{- end }}
+  {{- with .serviceTemplate }}
+  serviceTemplate:
+    {{- . | toYaml | nindent 4 }}
+  {{- end }}
 {{- end }}

charts/cluster/values.yaml

@@ -480,6 +480,9 @@ poolers: []
   #   # -- Custom PgBouncer deployment template.
   #   # Use to override image, specify resources, etc.
   #   template: {}
+  #   # -- Custom PgBouncer service template.
+  #   # Use to override service type, annotations, etc.
+  #   serviceTemplate: {}
   # -
   #   # -- Pooler name
   #   name: ro
@@ -502,3 +505,6 @@ poolers: []
   #   # -- Custom PgBouncer deployment template.
   #   # Use to override image, specify resources, etc.
   #   template: {}
+  #   # -- Custom PgBouncer service template.
+  #   # Use to override service type, annotations, etc.
+  #   serviceTemplate: {}