personal_infra/ansible/services/ntfy/setup_ntfy_uptime_kuma_notification.yml

- name: Setup ntfy as Uptime Kuma Notification Channel
  hosts: watchtower
  become: no
  vars_files:
    - ../../infra_vars.yml
    - ../../services_config.yml
    - ../../infra_secrets.yml
    - ./ntfy_vars.yml
    - ../uptime_kuma/uptime_kuma_vars.yml

  vars:
    ntfy_subdomain: "{{ subdomains.ntfy }}"
    uptime_kuma_subdomain: "{{ subdomains.uptime_kuma }}"
    ntfy_domain: "{{ ntfy_subdomain }}.{{ root_domain }}"
    ntfy_server_url: "https://{{ ntfy_domain }}"
    ntfy_priority: 4  # 1=min, 2=low, 3=default, 4=high, 5=max
    uptime_kuma_api_url: "https://{{ uptime_kuma_subdomain }}.{{ root_domain }}"

  tasks:
    - name: Validate Uptime Kuma configuration
      assert:
        that:
          - uptime_kuma_api_url is defined
          - uptime_kuma_api_url != ""
          - uptime_kuma_username is defined
          - uptime_kuma_username != ""
          - uptime_kuma_password is defined
          - uptime_kuma_password != ""
        fail_msg: "uptime_kuma_api_url, uptime_kuma_username and uptime_kuma_password must be set"

    - name: Validate ntfy configuration
      assert:
        that:
          - ntfy_domain is defined
          - ntfy_domain != ""
          - ntfy_topic is defined
          - ntfy_topic != ""
          - ntfy_username is defined
          - ntfy_username != ""
          - ntfy_password is defined
          - ntfy_password != ""
        fail_msg: "ntfy_domain, ntfy_topic, ntfy_username and ntfy_password must be set"

    - name: Create Uptime Kuma ntfy notification setup script
      copy:
        dest: /tmp/setup_uptime_kuma_ntfy_notification.py
        content: |
          #!/usr/bin/env python3
          import sys
          import json
          from uptime_kuma_api import UptimeKumaApi
          
          def main():
              api_url = sys.argv[1]
              username = sys.argv[2]
              password = sys.argv[3]
              notification_name = sys.argv[4]
              ntfy_server_url = sys.argv[5]
              ntfy_topic = sys.argv[6]
              ntfy_username = sys.argv[7]
              ntfy_password = sys.argv[8]
              ntfy_priority = int(sys.argv[9])
              
              api = UptimeKumaApi(api_url, timeout=60, wait_events=2.0)
              api.login(username, password)
              
              # Get all notifications
              notifications = api.get_notifications()
              
              # Find existing ntfy notification by name
              existing_notification = next((n for n in notifications if n.get('name') == notification_name), None)
              
              notification_data = {
                  'name': notification_name,
                  'type': 'ntfy',
                  'isDefault': True,  # Apply to all monitors by default
                  'applyExisting': True,  # Apply to existing monitors
                  'ntfyserverurl': ntfy_server_url,
                  'ntfytopic': ntfy_topic,
                  'ntfyusername': ntfy_username,
                  'ntfypassword': ntfy_password,
                  'ntfyPriority': ntfy_priority
              }
              
              if existing_notification:
                  notification = api.edit_notification(existing_notification['id'], **notification_data)
                  action = "updated"
              else:
                  notification = api.add_notification(**notification_data)
                  action = "created"
              
              # Output result as JSON
              result = {
                  'notification_id': notification['id'],
                  'notification_name': notification_name,
                  'ntfy_server': ntfy_server_url,
                  'ntfy_topic': ntfy_topic,
                  'action': action
              }
              print(json.dumps(result))
              
              api.disconnect()
          
          if __name__ == '__main__':
              main()
        mode: '0755'
      delegate_to: localhost
      become: no

    - name: Run Uptime Kuma ntfy notification setup script
      command: >
        {{ ansible_playbook_python }}
        /tmp/setup_uptime_kuma_ntfy_notification.py
        "{{ uptime_kuma_api_url }}"
        "{{ uptime_kuma_username }}"
        "{{ uptime_kuma_password }}"
        "ntfy ({{ ntfy_topic }})"
        "{{ ntfy_server_url }}"
        "{{ ntfy_topic }}"
        "{{ ntfy_username }}"
        "{{ ntfy_password }}"
        "{{ ntfy_priority }}"
      register: notification_setup_result
      delegate_to: localhost
      become: no
      changed_when: false

    - name: Parse notification setup result
      set_fact:
        notification_info_parsed: "{{ notification_setup_result.stdout | from_json }}"

    - name: Display notification information
      debug:
        msg: |
          ✓ ntfy notification channel {{ notification_info_parsed.action }} successfully!
          
          Notification Name: ntfy ({{ ntfy_topic }})
          ntfy Server: {{ ntfy_server_url }}
          ntfy Topic: {{ ntfy_topic }}
          Priority: {{ ntfy_priority }} (4=high)
          Default for all monitors: Yes
          Applied to existing monitors: Yes
          
          All Uptime Kuma monitors will now send alerts to your ntfy server
          on the "{{ ntfy_topic }}" topic.
          
          You can subscribe to alerts at: {{ ntfy_server_url }}/{{ ntfy_topic }}

    - name: Clean up temporary Uptime Kuma setup script
      file:
        path: /tmp/setup_uptime_kuma_ntfy_notification.py
        state: absent
      delegate_to: localhost
      become: no