---
- name: Get existing config.toml
  slurp:
    src: "{{ gitlab_runner_config_file }}"
  register: runner_config_file

- name: Get pre-existing runner configs
  set_fact:
    runner_configs: "{{ (runner_config_file['content'] | b64decode).split('[[runners]]\n') }}"

- name: Create temporary directory
  tempfile:
    state: directory
    suffix: gitlab-runner-config
  register: temp_runner_config_dir
  check_mode: no
  changed_when: false

- name: Write config section for each runner
  include_tasks: config-runner-container.yml
  loop: "{{ runner_configs }}"
  loop_control:
    index_var: runner_config_index
    loop_var: runner_config

- name: Assemble new config.toml
  assemble:
    src: "{{ temp_runner_config_dir.path }}"
    dest: "{{ gitlab_runner_config_file }}"
    delimiter: '[[runners]]\n'
    backup: yes
    validate: |
      docker run -i --rm -v %s:/gitlab-runner.conf
      {{ gitlab_runner_container_image }}:{{ gitlab_runner_container_tag }} 
      verify -c /gitlab-runner.conf
    mode: 0600