Only deploy zigbee2mqtt config when it doesn't exist

inventories/z9/host_vars/zigbee2mqtt.yaml

@@ -9,7 +9,7 @@ zigbee2mqtt__network_key: !vault |
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           30303031306635313764323434333465353465366633376432326563666264386431623335613636
           64643434666433363865
-zigbee2mqtt__config: "{{ lookup('ansible.builtin.template', 'configs/zigbee2mqtt/zigbee2mqtt/configuration.yaml.j2') }}"
+zigbee2mqtt__initial_config: "{{ lookup('ansible.builtin.template', 'configs/zigbee2mqtt/zigbee2mqtt/configuration.yaml.j2') }}"
 nginx__version_spec: ""
 nginx__configurations:
   - name: zigbee2mqtt

playbooks/roles/zigbee2mqtt/meta/argument_specs.yaml

@@ -6,7 +6,8 @@ argument_specs:
         description: zigbee2mqtt version to install
         type: str
         required: true
-      zigbee2mqtt__config:
+      zigbee2mqtt__initial_config:
-        description: Configuration file content
+        description: Configuration file content for initial deployment.
+          It does not replace the configuration if it already exists.
         type: str
         required: true

playbooks/roles/zigbee2mqtt/tasks/main.yaml

@@ -1,9 +1,11 @@
 - name: Ensure acl is installed
   ansible.builtin.apt:
     name: acl
+
 - name: Ensure git is installed
   ansible.builtin.apt:
     name: git
+
 - name: Ensure zigbee2mqtt user exists
   ansible.builtin.user:
     name: zigbee2mqtt
@@ -11,13 +13,15 @@
       - zigbee2mqtt
       - dialout
     group: zigbee2mqtt
-- name: Ensure installation dirrectory exists
+
+- name: Ensure installation directory exists
   ansible.builtin.file:
     dest: /opt/zigbee2mqtt
     state: directory
-    mode: 0755
+    mode: "755"
     owner: zigbee2mqtt
     group: zigbee2mqtt
+
 - name: Ensure zigbee2mqtt repository is cloned
   become_user: zigbee2mqtt
   ansible.builtin.git:
@@ -26,35 +30,46 @@
     dest: /opt/zigbee2mqtt
     version: "{{ zigbee2mqtt__version }}"
   notify: Restart zigbee2mqtt
+
 - name: Ensure npm dependencies are installed
   become_user: zigbee2mqtt
   community.general.npm:
     path: /opt/zigbee2mqtt
     ci: true
   changed_when: false # installs packages according to package-lock.json, but always reports a change
+
 - name: Ensure custom zigbee2mqtt data directory exists
   ansible.builtin.file:
     dest: /home/zigbee2mqtt/zigbee2mqtt_data
     state: directory
-    mode: 0755
+    mode: "755"
     owner: zigbee2mqtt
     group: zigbee2mqtt
-- name: Ensure configuration file is deployed
+
+- name: Check configuration file status
+  ansible.builtin.stat:
+    path: /home/zigbee2mqtt/zigbee2mqtt_data/configuration.yaml
+  register: zigbee2mqtt__conf_stat
+
+- name: Ensure configuration file is deployed when it doesn't exist
+  when: not zigbee2mqtt__conf_stat.stat.exists
   ansible.builtin.copy:
     content: "{{ zigbee2mqtt__config }}"
     dest: /home/zigbee2mqtt/zigbee2mqtt_data/configuration.yaml
-    mode: 0640
+    mode: "640"
     owner: zigbee2mqtt
     group: zigbee2mqtt
   notify: Restart zigbee2mqtt
+
 - name: Ensure zigbee2mqtt service file is deployed
   ansible.builtin.copy:
     src: zigbee2mqtt.service
     dest: /etc/systemd/system/zigbee2mqtt.service
-    mode: 0644
+    mode: "644"
     owner: root
     group: root
   notify: Reload systemd-daemon and restart zigbee2mqtt
+
 - name: Ensure zigbee2mqtt is enabled and started
   ansible.builtin.systemd:
     service: zigbee2mqtt