Break dependency between matrix-prometheus-nginxlog-exporter and the Grafana role

Wiring happens via `group_vars/matrix_servers` now.

group_vars/matrix_servers

@@ -3384,6 +3384,14 @@ grafana_dashboard_download_urls: |
     (matrix_prometheus_nginxlog_exporter_dashboard_urls if matrix_prometheus_nginxlog_exporter_enabled else [])
   }}
 
+grafana_provisioning_dashboard_template_files: |
+  {{
+    ([{
+        'path': 'roles/custom/matrix-prometheus-nginxlog-exporter/templates/grafana/nginx-proxy.json',
+        'name': 'nginx-proxy.json',
+    }] if matrix_prometheus_nginxlog_exporter_enabled else [])
+  }}
+
 grafana_default_home_dashboard_path: |-
   {{
     {

requirements.yml

@@ -40,7 +40,7 @@
   version: v1.2.3-1.7.6-0
 
 - src: git+https://gitlab.com/etke.cc/roles/grafana.git
-  version: v9.3.6-0
+  version: v9.3.6-1
 
 - src: git+https://github.com/devture/com.devture.ansible.role.traefik.git
   version: fb09fd26f877372417d5586f1e79e83f983f0bd6

roles/custom/matrix-prometheus-nginxlog-exporter/tasks/setup_install.yml

@@ -30,18 +30,8 @@
     owner: "{{ matrix_user_username }}"
     group: "{{ matrix_user_groupname }}"
 
-- name: Ensure grafana dashboard is installed
-  ansible.builtin.template:
-    src: "{{ role_path }}/templates/nginx-proxy.json"
-    dest: "{{ grafana_config_path }}/dashboards/"
-    mode: 0644
-    owner: "{{ matrix_user_username }}"
-    group: "{{ matrix_user_groupname }}"
-  when: grafana_enabled
-
 - name: Ensure matrix-prometheus-nginxlog-exporter.service installed
   ansible.builtin.template:
     src: "{{ role_path }}/templates/systemd/matrix-prometheus-nginxlog-exporter.service.j2"
     dest: "{{ devture_systemd_docker_base_systemd_path }}/matrix-prometheus-nginxlog-exporter.service"
     mode: 0644
-  register: matrix_prometheus_nginxlog_exporter_systemd_service_result