Generate a postgresql certificate.

terraform/modules/cloudsql/cloudsql.tf

@@ -43,6 +43,11 @@ output "instance" {
   value       = google_sql_database_instance.instance
 }
 
+output "certificate" {
+  description = "TLS certificate for connecting to the database."
+  value       = google_sql_ssl_cert.client_cert
+}
+
 # Needed for CloudSQL Auth Proxy
 resource "google_project_service" "sqladmin" {
   project                    = var.project
@@ -85,3 +90,8 @@ resource "google_sql_user" "postgres" {
   instance = google_sql_database_instance.instance.name
   password = var.postgres_password
 }
+
+resource "google_sql_ssl_cert" "client_cert" {
+  common_name = "client-name"
+  instance    = google_sql_database_instance.instance.name
+}