---
# Ansible Playbook: Setup Gitea Actions Runner on Production Server
# Purpose: Install and configure Gitea Actions runner for automated deployments
# Usage: ansible-playbook -i inventory/production.yml playbooks/setup-gitea-runner.yml

- name: Setup Gitea Actions Runner for Production Deployments
  hosts: production_server
  become: yes
  vars:
    gitea_url: "https://git.michaelschiemer.de"
    runner_name: "production-runner"
    runner_labels: "docker,production,ubuntu"
    runner_version: "0.2.6"
    runner_install_dir: "/opt/gitea-runner"
    runner_work_dir: "/home/deploy/gitea-runner-work"
    runner_user: "deploy"

  tasks:
    - name: Create runner directories
      file:
        path: "{{ item }}"
        state: directory
        owner: "{{ runner_user }}"
        group: "{{ runner_user }}"
        mode: '0755'
      loop:
        - "{{ runner_install_dir }}"
        - "{{ runner_work_dir }}"

    - name: Download Gitea Act Runner binary
      get_url:
        url: "https://dl.gitea.com/act_runner/{{ runner_version }}/act_runner-{{ runner_version }}-linux-amd64"
        dest: "{{ runner_install_dir }}/act_runner"
        mode: '0755'
        owner: "{{ runner_user }}"

    - name: Check if runner is already registered
      stat:
        path: "{{ runner_install_dir }}/.runner"
      register: runner_config

    - name: Register runner with Gitea (manual step required)
      debug:
        msg: |
          ⚠️  MANUAL STEP REQUIRED:

          1. Generate registration token in Gitea:
             - Navigate to {{ gitea_url }}/admin/runners
             - Click "Create new runner"
             - Copy the registration token

          2. SSH to production server and run:
             sudo -u {{ runner_user }} {{ runner_install_dir }}/act_runner register \
               --instance {{ gitea_url }} \
               --token YOUR_REGISTRATION_TOKEN \
               --name {{ runner_name }} \
               --labels {{ runner_labels }}

          3. Re-run this playbook to complete setup
      when: not runner_config.stat.exists

    - name: Create systemd service for runner
      template:
        src: ../templates/gitea-runner.service.j2
        dest: /etc/systemd/system/gitea-runner.service
        mode: '0644'
      notify: Reload systemd

    - name: Enable and start Gitea runner service
      systemd:
        name: gitea-runner
        enabled: yes
        state: started
      when: runner_config.stat.exists

    - name: Install Docker (if not present)
      apt:
        name:
          - docker.io
          - docker-compose
        state: present
        update_cache: yes

    - name: Add runner user to docker group
      user:
        name: "{{ runner_user }}"
        groups: docker
        append: yes

    - name: Ensure Docker service is running
      systemd:
        name: docker
        state: started
        enabled: yes

    - name: Create Docker network for builds
      docker_network:
        name: gitea-runner-network
        driver: bridge

    - name: Display runner status
      debug:
        msg: |
          ✅ Gitea Runner Setup Complete

          Runner Name: {{ runner_name }}
          Install Dir: {{ runner_install_dir }}
          Work Dir: {{ runner_work_dir }}

          Check status: systemctl status gitea-runner
          View logs: journalctl -u gitea-runner -f

  handlers:
    - name: Reload systemd
      systemd:
        daemon_reload: yes