Allow to use clustered postgres

defaults/main.yml

@@ -6,6 +6,7 @@ gitlab_repository_installation_script_url: "https://packages.gitlab.com/install/
 gitlab_download_validate_certs: true
 
 gitlab_external_postgres: false
+gitlab_external_postgres_on_cluster: false
 gitlab_use_borgbackup: false
 
 gitlab_enable_plantuml: false

tasks/main.yml

@@ -8,6 +8,7 @@
       password: "{{ gitlab_pgdb_pass }}"
     db_host: "{{ gitlab_pgdb_host }}"
     db_extensions: ["pg_trgm"]
+    postgres_on_cluster: "{{ gitlab_external_postgres_on_cluster }}"
   when: gitlab_external_postgres
 
 - name: Check if GitLab configuration file already exists.