---
- name: Stop grafana-agent if installed
  block:
    # this will fail the verify first time of installation if local binary is used
    - name: Ensure grafana-agent is stopped
      ansible.builtin.systemd:
        name: grafana-agent
        enabled: true
        state: stopped
  rescue:
    # make sure that the service isn't actually installed
    - name: Get the list of services
      ansible.builtin.service_facts:

    - name: Verify that grafana-agent is not installed
      ansible.builtin.assert:
        that:
          - _grafana_agent_systemd_unit not in services

# these tasks are ran in both install and configure, as directories could have changed
- name: Configure Directories
  ansible.builtin.import_tasks: install/directories.yaml

- name: Create a symbolic link
  ansible.builtin.file:
    src: "{{ grafana_agent_install_dir }}/{{ grafana_agent_binary }}"
    dest: "/usr/local/bin/{{ grafana_agent_binary }}"
    owner: root
    group: root
    state: link

- name: Overwrite/Create Grafana Agent Service
  ansible.builtin.template:
    src: grafana-agent.service.j2
    dest: "{{ _grafana_agent_systemd_dir }}/{{ _grafana_agent_systemd_unit }}"
    owner: root
    group: root
    mode: 0644

- name: Create the Service Environment File
  ansible.builtin.template:
    src: EnvironmentFile.j2
    dest: "{{ grafana_agent_config_dir }}/{{ grafana_agent_env_file }}"
    owner: root
    group: "{{ grafana_agent_user_group }}"
    mode: 0640

- name: Create Grafana Agent Config
  ansible.builtin.template:
    src: config.yaml.j2
    dest: "{{ grafana_agent_config_dir }}/{{ grafana_agent_config_filename }}"
    force: true
    owner: root
    group: "{{ grafana_agent_user_group }}"
    mode: 0640
  when: grafana_agent_provisioned_config_file | length == 0

- name: Copy Grafana Agent Config
  ansible.builtin.copy:
    src: "{{ grafana_agent_provisioned_config_file }}"
    dest: "{{ grafana_agent_config_dir }}/{{ grafana_agent_config_filename }}"
    owner: root
    group: "{{ grafana_agent_user_group }}"
    mode: 0640
  when: grafana_agent_provisioned_config_file | length > 0