---

- name: "Create Karma system group"
  ansible.builtin.group:
    name: "{{ karma_user }}"
    system: true
    state: present

- name: "Create karma system user"
  ansible.builtin.user:
    name: "{{ karma_user }}"
    group: "{{ karma_group }}"
    system: true
    shell: "/sbin/nologin"
    create_home: false
    state: present

- name: "Install karma from binary"
  block:
    - name: "Check karma version"
      changed_when: false
      ansible.builtin.command:
        cmd: "{{ karma_dir }}/karma-linux-amd64 --version"
      register: karma_ver

    - name: "Assert version correctness"
      ansible.builtin.assert:
        that: "karma_ver.stdout is regex('{{ karma_version }}')"
        success_msg: "karma version {{ karma_version }} is installed and working"
        fail_msg: "karma version {{ karma_version }} is not installed or not working correctly"

  rescue:
    - name: "Create karma directories"
      ansible.builtin.file:
        path: "{{ item }}"
        state: directory
        owner: "{{ karma_user }}"
        group: "{{ karma_group }}"
        mode: "0755"
      with_items:
        - "{{ karma_dir }}"
        - "{{ karma_config_dir }}"

    - name: "Unarchive karma tar file"
      notify: "(Re)start and enable karma"
      ansible.builtin.unarchive:
        src: "https://github.com/prymitive/karma/releases/download/v{{ karma_version }}/karma-linux-amd64.tar.gz"
        dest: "{{ karma_dir }}"
        remote_src: true

    - name: "Move karma binary"
      ansible.builtin.copy:
        src: "{{ karma_dir }}/karma-linux-amd64"
        dest: "/usr/local/bin/karma"
        mode: "0755"
        owner: "{{ karma_user }}"
        group: "{{ karma_group }}"
        remote_src: true

- name: Create systemd service file
  ansible.builtin.template:
    src: karma.service.j2
    dest: /etc/systemd/system/karma.service
    owner: "{{ karma_user }}"
    group: "{{ karma_group }}"
    mode: '0644'