fix: all praise the allmighty yamllinter

roles/matrix-grafana/defaults/main.yml

@@ -1,3 +1,4 @@
+---
 # matrix-grafana is open source visualization and analytics software
 # See: https://github.com/matrix-org/synapse/blob/master/docs/metrics-howto.md
 
@@ -11,8 +12,8 @@ matrix_grafana_docker_image_force_pull: "{{ matrix_grafana_docker_image.endswith
 # they might still want to look at the old existing data.
 # So it would be silly to delete the dashboard in such case.
 matrix_grafana_dashboard_download_urls:
-- "https://raw.githubusercontent.com/matrix-org/synapse/master/contrib/grafana/synapse.json"
-- "https://raw.githubusercontent.com/rfrail3/grafana-dashboards/master/prometheus/node-exporter-full.json"
+  - "https://raw.githubusercontent.com/matrix-org/synapse/master/contrib/grafana/synapse.json"
+  - "https://raw.githubusercontent.com/rfrail3/grafana-dashboards/master/prometheus/node-exporter-full.json"
 
 matrix_grafana_base_path: "{{ matrix_base_data_path }}/grafana"
 matrix_grafana_config_path: "{{ matrix_grafana_base_path }}/config"
@@ -32,7 +33,7 @@ matrix_grafana_default_admin_user: admin
 matrix_grafana_default_admin_password: admin
 
 # Set to true to add the Content-Security-Policy header to your requests.
-# CSP allows to control resources that the user agent can load and helps 
+# CSP allows to control resources that the user agent can load and helps
 # prevent XSS attacks.
 # [Content Security Policy](https://grafana.com/docs/grafana/latest/administration/configuration/#content_security_policy)
 matrix_grafana_content_security_policy: true

roles/matrix-grafana/tasks/init.yml

@@ -1,5 +1,5 @@
+---
+
 - set_fact:
     matrix_systemd_services_list: "{{ matrix_systemd_services_list + ['matrix-grafana.service'] }}"
   when: matrix_grafana_enabled|bool
-
-

roles/matrix-grafana/tasks/main.yml

@@ -1,3 +1,5 @@
+---
+
 - import_tasks: "{{ role_path }}/tasks/init.yml"
   tags:
     - always

roles/matrix-grafana/tasks/setup.yml

@@ -77,7 +77,7 @@
 
 - name: Ensure systemd reloaded after matrix-grafana.service installation
   service:
-    daemon_reload: yes
+    daemon_reload: true
   when: "matrix_grafana_enabled|bool and matrix_grafana_systemd_service_result.changed"
 
 #
@@ -93,8 +93,8 @@
   service:
     name: matrix-grafana
     state: stopped
-    enabled: no
-    daemon_reload: yes
+    enabled: false
+    daemon_reload: true
   register: stopping_result
   when: "not matrix_grafana_enabled|bool and matrix_grafana_service_stat.stat.exists"
 
@@ -106,6 +106,5 @@
 
 - name: Ensure systemd reloaded after matrix-grafana.service removal
   service:
-    daemon_reload: yes
+    daemon_reload: true
   when: "not matrix_grafana_enabled|bool and matrix_grafana_service_stat.stat.exists"
-