matrix-docker-ansible-deploy/roles/matrix-prometheus/tasks/setup_install.yml

---

- name: Ensure matrix-prometheus image is pulled
  docker_image:
    name: "{{ matrix_prometheus_docker_image }}"
    source: "{{ 'pull' if ansible_version.major > 2 or ansible_version.minor > 7 else omit }}"
    force_source: "{{ matrix_prometheus_docker_image_force_pull if ansible_version.major > 2 or ansible_version.minor >= 8 else omit }}"
    force: "{{ omit if ansible_version.major > 2 or ansible_version.minor >= 8 else matrix_prometheus_docker_image_force_pull }}"
  register: result
  retries: "{{ matrix_container_retries_count }}"
  delay: "{{ matrix_container_retries_delay }}"
  until: result is not failed

- name: Ensure Prometheus paths exists
  ansible.builtin.file:
    path: "{{ item }}"
    state: directory
    mode: 0750
    owner: "{{ matrix_user_username }}"
    group: "{{ matrix_user_groupname }}"
  with_items:
    - "{{ matrix_prometheus_base_path }}"
    - "{{ matrix_prometheus_config_path }}"
    - "{{ matrix_prometheus_data_path }}"

- name: Download synapse-v2.rules
  ansible.builtin.get_url:
    url: "{{ matrix_prometheus_scraper_synapse_rules_download_url }}"
    dest: "{{ matrix_prometheus_config_path }}/synapse-v2.rules"
    force: true
    mode: 0440
    owner: "{{ matrix_user_username }}"
    group: "{{ matrix_user_groupname }}"
  when: "matrix_prometheus_scraper_synapse_rules_enabled | bool"
  register: result
  retries: "{{ matrix_geturl_retries_count }}"
  delay: "{{ matrix_geturl_retries_delay }}"
  until: result is not failed

- name: Ensure prometheus.yml installed
  ansible.builtin.copy:
    content: "{{ matrix_prometheus_configuration | to_nice_yaml(indent=2, width=999999) }}"
    dest: "{{ matrix_prometheus_config_path }}/prometheus.yml"
    mode: 0644
    owner: "{{ matrix_user_username }}"
    group: "{{ matrix_user_groupname }}"

- name: Ensure matrix-prometheus.service installed
  ansible.builtin.template:
    src: "{{ role_path }}/templates/systemd/matrix-prometheus.service.j2"
    dest: "{{ matrix_systemd_path }}/matrix-prometheus.service"
    mode: 0644
  register: matrix_prometheus_systemd_service_result

- name: Ensure systemd reloaded after matrix-prometheus.service installation
  ansible.builtin.service:
    daemon_reload: true
  when: "matrix_prometheus_systemd_service_result.changed | bool"