feat: Output the Service Attachment links for Replicas (#758)

Co-authored-by: yasser.rasheed@schibsted.com <yasser.rasheed@schibsted.com>

Author: yasra002

modules/postgresql/README.md

@@ -209,6 +209,7 @@ module "pg" {
 | replicas | A list of `google_sql_database_instance` resources representing the replicas |
 | replicas\_instance\_connection\_names | The connection names of the replica instances to be used in connection strings |
 | replicas\_instance\_first\_ip\_addresses | The first IPv4 addresses of the addresses assigned for the replica instances |
+| replicas\_instance\_psc\_attachments | The psc\_service\_attachment\_links created for the replica instances |
 | replicas\_instance\_self\_links | The URIs of the replica instances |
 | replicas\_instance\_server\_ca\_certs | The CA certificates information used to connect to the replica instances via SSL |
 | replicas\_instance\_service\_account\_email\_addresses | The service account email addresses assigned to the replica instances |

modules/postgresql/outputs.tf

@@ -88,6 +88,11 @@ output "replicas_instance_server_ca_certs" {
   sensitive   = true
 }
 
+output "replicas_instance_psc_attachments" {
+  value       = [for r in google_sql_database_instance.replicas : r.psc_service_attachment_link]
+  description = "The psc_service_attachment_links created for the replica instances"
+}
+
 output "replicas_instance_service_account_email_addresses" {
   value       = [for r in google_sql_database_instance.replicas : r.service_account_email_address]
   description = "The service account email addresses assigned to the replica instances"