Do not hardcode devture_postgres_identifier in matrix-media-repo role

This should come (and already does) from group_vars/matrix_servers

group_vars/matrix_servers

@@ -2720,6 +2720,7 @@ matrix_ma1sd_database_password: "{{ '%s' | format(matrix_homeserver_generic_secr
 ######################################################################
 
 matrix_media_repo_enabled: false
+
 matrix_media_repo_container_network: "{{ matrix_nginx_proxy_container_network if matrix_playbook_reverse_proxy_type == 'playbook-managed-nginx' else matrix_media_repo_identifier }}"
 
 matrix_media_repo_container_additional_networks: |

roles/custom/matrix-media-repo/defaults/main.yml

@@ -216,7 +216,7 @@ matrix_media_repo_federation_ignored_hosts: []
 # user instead. Using the same server is fine, just not the same username and database.
 matrix_media_repo_database_username: "matrix_media_repo"
 matrix_media_repo_database_password: ""
-matrix_media_repo_database_hostname: "{{ devture_postgres_identifier }}"
+matrix_media_repo_database_hostname: ""
 matrix_media_repo_database_port: 5432
 matrix_media_repo_database_name: "matrix_media_repo"
 matrix_media_repo_database_sslmode: disable

roles/custom/matrix-media-repo/tasks/validate_config.yml

@@ -1,6 +1,14 @@
 ---
 
-- name: (Deprecation) Catch and report renamed settings
+- name: Fail if required matrix-media-repo settings not defined
+  ansible.builtin.fail:
+    msg: >
+      You need to define a required configuration setting (`{{ item.name }}`).
+  when: "item.when | bool and vars[item.name] == ''"
+  with_items:
+    - {'name': 'matrix_media_repo_database_hostname', when: true}
+
+- name: (Deprecation) Catch and report renamed matrix-media-repo settings
   ansible.builtin.fail:
     msg: >-
       Your configuration contains a variable, which now has a different name.