ansible-nas/tasks/watchtower.yml

---
- name: Watchtower Docker Container
  when: watchtower_notifications_enabled == false
  docker_container:
    name: watchtower
    image: v2tec/watchtower
    pull: true
    volumes:
      - "/var/run/docker.sock:/var/run/docker.sock:ro"
    env:
      TZ: "{{ ansible_nas_timezone }}"
    command: --schedule "{{ watchtower_cron_schedule }}"
    restart_policy: unless-stopped
    memory: 1g

- name: Watchtower Docker Container w/ Email Notifications
  when:
    - watchtower_notifications_enabled == true
    - watchtower_notifications_type == 'email'
  docker_container:
    name: watchtower
    image: v2tec/watchtower
    pull: true
    volumes:
      - "/var/run/docker.sock:/var/run/docker.sock:ro"
    env:
      TZ: "{{ ansible_nas_timezone }}"
      WATCHTOWER_NOTIFICATIONS: email
      WATCHTOWER_NOTIFICATIONS_LEVEL: "{{ watchtower_notifications_level }}"
      WATCHTOWER_NOTIFICATION_EMAIL_FROM: "{{ watchtower_email_from }}"
      WATCHTOWER_NOTIFICATION_EMAIL_TO: "{{ watchtower_email_to }}"
      WATCHTOWER_NOTIFICATION_EMAIL_SERVER: "{{ watchtower_email_server }}"
      WATCHTOWER_NOTIFICATION_EMAIL_SERVER_USER: "{{ watchtower_email_server_user }}"
      WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PASSWORD: "{{ watchtower_email_server_password }}"
    command: --schedule "{{ watchtower_cron_schedule }}"
    restart_policy: unless-stopped
    memory: 1g

- name: Watchtower Docker Container w/ Slack Notifications
  when:
    - watchtower_notifications_enabled == true
    - watchtower_notifications_type == 'slack'
  docker_container:
    name: watchtower
    image: v2tec/watchtower
    pull: true
    volumes:
      - "/var/run/docker.sock:/var/run/docker.sock:ro"
    env:
      TZ: "{{ ansible_nas_timezone }}"
      WATCHTOWER_NOTIFICATIONS_LEVEL: "{{ watchtower_notifications_level }}"
      WATCHTOWER_NOTIFICATIONS: slack
      WATCHTOWER_NOTIFICATION_SLACK_HOOK_URL: "{{ watchtower_slack_hook_url }}"
      WATCHTOWER_NOTIFICATION_SLACK_IDENTIFIER: "{{ watchtower_slack_identifier }}"
    command: --schedule "{{ watchtower_cron_schedule }}"
    restart_policy: unless-stopped
    memory: 1g