# =============================================================================
# Playbook   : runner.yml
# Description: Deploiement du Forgejo Actions Runner (vm-runner)
#              Registration automatique si premiere installation,
#              puis demarrage du daemon en container Docker.
#
# Usage      :
#   ansible-playbook playbooks/runner.yml \
#     -i inventories/<inventaire>/ \
#     --ask-vault-pass
#
# Prerequis :
#   - Docker installe (playbook docker.yml execute avant)
#   - Token runner genere dans Forgejo : Admin > Actions > Runners
#   - vault_forgejo_runner_token defini dans le vault
#   - vault_forgejo_domain defini dans le vault
#
# Exemple :
#   ansible-playbook playbooks/runner.yml \
#     -i inventories/homelab/ \
#     --ask-vault-pass \
#     --tags runner
# =============================================================================
---
- name: Deploiement Forgejo Actions Runner
  hosts: runner
  become: true

  tasks:
    - name: Creation des repertoires runner
      ansible.builtin.file:
        path: "{{ item }}"
        state: directory
        owner: "{{ admin_user }}"
        group: "{{ admin_user }}"
        mode: "0755"
      loop:
        - /opt/runner
        - /opt/runner/data
      tags: [runner]

    - name: Deploiement docker-compose runner
      ansible.builtin.copy:
        src: ../../docker/runner/docker-compose.yml
        dest: /opt/runner/docker-compose.yml
        owner: "{{ admin_user }}"
        group: "{{ admin_user }}"
        mode: "0644"
      tags: [runner]

    - name: Verification fichier de registration
      ansible.builtin.stat:
        path: /opt/runner/data/.runner
      register: runner_config
      tags: [runner]

    # La registration est une operation unique : elle cree /opt/runner/data/.runner
    # Ce fichier contient les credentials du runner, il ne faut pas la rejouer
    - name: Registration du runner (premiere fois uniquement)
      community.docker.docker_container:
        name: forgejo-runner-register
        image: code.forgejo.org/forgejo/runner:6
        auto_remove: true
        working_dir: /data
        user: "0:0"
        volumes:
          - /opt/runner/data:/data
        command: >
          forgejo-runner register
          --no-interactive
          --instance "https://{{ vault_forgejo_domain }}"
          --token "{{ vault_forgejo_runner_token }}"
          --name "vm-runner"
          --labels "ubuntu-latest:docker://ubuntu:22.04,self-hosted:host"
      when: not runner_config.stat.exists
      tags: [runner]

    - name: Demarrage du runner
      community.docker.docker_compose_v2:
        project_src: /opt/runner
        state: present
      tags: [runner]