Add ability to update HA-related containers

Home Assistant, Zigbee2MQTT, and ZWaveJS2MQTT can now be updated by
setting the corresponding Ansible variable.

group_vars/home-assistant.yml

@@ -10,3 +10,6 @@ mosquitto_listeners:
 mosquitto_password_file: /etc/mosquitto/passwd
 apache_default_ssl_vhost: false
 homeassistant_server_name: homeassistant.pyrocufflink.blue
+homeassistant_update: false
+zwavejs2mqtt_update: '{{ homeassistant_update|bool }}'
+zigbee2mqtt_update: '{{ homeassistant_update|bool }}'

roles/homeassistant/tasks/main.yml

@@ -62,6 +62,7 @@
     name: ghcr.io/home-assistant/{{ homeassistant_image_name }}
     tag: stable
     state: present
+    force: '{{ homeassistant_update|d|bool }}'
   notify:
   - restart homeassistant
   tags:

roles/homeassistant/templates/homeassistant.service.j2

@@ -7,6 +7,7 @@ Type=notify
 NotifyAccess=all
 ExecStartPre=-/usr/bin/podman container rm --ignore -f homeassistant
 ExecStart=/usr/bin/podman run \
+    --pull never \
     --sdnotify=conmon --cgroups=no-conmon \
     --rm \
     --network=host \

roles/zigbee2mqtt/tasks/main.yml

@@ -32,6 +32,7 @@
     name: docker.io/koenkk/zigbee2mqtt
     tag: latest
     state: present
+    force: '{{ zigbee2mqtt_update|d|bool }}'
   notify:
   - restart zigbee2mqtt
   tags:

roles/zwavejs2mqtt/tasks/main.yml

@@ -32,6 +32,7 @@
     name: docker.io/zwavejs/zwavejs2mqtt
     tag: latest
     state: present
+    force: '{{ zwavejs2mqtt_update|d|bool }}'
   notify:
   - restart zwavejs2mqtt
   tags: