Use alerta user permissions

deploy.d/config.yml

@@ -14,6 +14,9 @@ vars:
   smtp_port: "587"
   smtp_starttls: "True"
   smtp_username: "alerta-noreply"
+  alerta_user_gid: "0"
+  # See https://github.com/alerta/docker-alerta/blob/858fa5f799835e0b62dd98e6859faf201b146e9e/Dockerfile#L78
+  alerta_user_uid: "1001"
 
 dirs:
   - path: /var/lib/alerta/
@@ -26,15 +29,15 @@ db:
 files:
   - src: email.tmpl
     dest: /var/lib/alerta/email.tmpl
-    owner: "{{ vars.docker_user_uid }}"
+    owner: "{{ vars.alerta_user_uid }}"
-    group: "{{ vars.docker_user_gid }}"
+    group: "{{ vars.alerta_user_gid }}"
     mode: "664"
 
 templates:
   - src: config.json
     dest: /var/lib/alerta/config.json
-    owner: "{{ vars.docker_user_uid }}"
+    owner: "{{ vars.alerta_user_uid }}"
-    group: "{{ vars.docker_user_gid }}"
+    group: "{{ vars.alerta_user_gid }}"
     mode: "664"
   - src: alerta.conf
     dest: /var/lib/alerta/alerta.conf

deploy.d/plays/predeploy.yml

@@ -1,19 +0,0 @@
----
-- name: Get uid/guid of the Docker user
-  become: true
-  getent:
-    database: passwd
-    key: docker
-    split: ":"
-
-- name: Prepare docker user information dictionary
-  set_fact:
-    docker_user_info:
-      {
-        "docker_user_uid": "{{ getent_passwd['docker'][1] }}",
-        "docker_user_gid": "{{ getent_passwd['docker'][2] }}",
-      }
-
-- name: Store docker user uid/guid in config.vars dictionary
-  set_fact:
-    config: "{{ config | update_vars(docker_user_info) }}"