---
# role: traefik-manager
# description: Reusable role for managing Traefik load balancer configuration
# author: mk-labs
# version: 1.0.0

- name: Create Traefik configuration directory
  ansible.builtin.file:
    path: "{{ traefik_config_dir }}/dynamic"
    state: directory
    mode: "0755"
  delegate_to: "{{ traefik_host }}"

- name: Generate Traefik TCP router configuration for Kubernetes API
  ansible.builtin.template:
    src: k8s-api-router.yml.j2
    dest: "{{ traefik_config_dir }}/dynamic/{{ cluster_name }}-api.yml"
    mode: "0644"
  delegate_to: "{{ traefik_host }}"
  notify: reload traefik

- name: Generate Traefik service configuration for control plane nodes
  ansible.builtin.template:
    src: k8s-api-service.yml.j2
    dest: "{{ traefik_config_dir }}/dynamic/{{ cluster_name }}-service.yml"
    mode: "0644"
  delegate_to: "{{ traefik_host }}"
  notify: reload traefik

- name: Verify Traefik configuration syntax
  ansible.builtin.command: |
    traefik --configfile={{ traefik_config_dir }}/traefik.yml --dry-run
  delegate_to: "{{ traefik_host }}"
  register: traefik_syntax_check
  failed_when: traefik_syntax_check.rc != 0
  changed_when: false

- name: Display Traefik configuration status
  ansible.builtin.debug:
    msg: |
      ✅ Traefik configuration created successfully:
      - Router: {{ cluster_name }}-api
      - Service: {{ cluster_name }}-backend
      - Endpoint: {{ cluster_endpoint }}:{{ cluster_api_port }}
      - Backend nodes: {{ control_plane_nodes | join(', ') }}