hetzner-ansible/roles/prometheus/tasks/main.yml

---

### tags:
###   update_config
###   update_deployment

- name: "Send mattermost messsge"
  uri:
    url: "{{ mattermost_hook_smardigo }}"
    method: POST
    body: "{{ lookup('template','mattermost-deploy-start.json.j2') }}"
    body_format: json
    headers:
      Content-Type: "application/json"
  delegate_to: 127.0.0.1
  become: false
  when:
    - send_status_messages

- name: "Setup DNS configuration for {{ service_name }} prometheus"
  include_role:
    name: _digitalocean
    tasks_from: domain
  vars:
    record_data: "{{ stage_server_ip }}"
    record_name: "{{ service_name }}-prometheus"

- name: "Setup DNS configuration for {{ service_name }} grafana"
  include_role:
    name: _digitalocean
    tasks_from: domain
  vars:
    record_data: "{{ stage_server_ip }}"
    record_name: "{{ service_name }}-grafana"

- name: "Setup DNS configuration for {{ service_name }} alertmanager"
  include_role:
    name: _digitalocean
    tasks_from: domain
  vars:
    record_data: "{{ stage_server_ip }}"
    record_name: "{{ service_name }}-alertmanager"

- name: "Check if {{ service_name }}/docker-compose.yml exists"
  stat:
    path: '{{ service_base_path }}/{{ service_name }}/docker-compose.yml'
  register: check_docker_compose_file
  tags:
    - update_config
    - update_deployment

- name: "Stop {{ service_name }}"
  shell: docker-compose down
  args:
    chdir: '{{ service_base_path }}/{{ service_name }}'
  when: check_docker_compose_file.stat.exists
  ignore_errors: yes
  tags:
    - update_deployment

- name: "Deploy docker templates for {{ service_name }}"
  include_role:
    name: _deploy
    tasks_from: templates
  vars:
    current_config: "_docker"
    current_base_path: "{{ service_base_path }}"
    current_destination: "{{ service_name }}"
    current_owner: "{{ docker_owner }}"
    current_group: "{{ docker_group }}"
    current_docker: "{{ prometheus_docker }}"
  tags:
    - update_config

- name: "Deploy service templates for {{ service_name }}"
  include_role:
    name: _deploy
    tasks_from: templates
  vars:
    current_config: "prometheus"
    current_base_path: "{{ service_base_path }}"
    current_destination: "{{ service_name }}"
    current_owner: "{{ docker_owner }}"
    current_group: "{{ docker_group }}"
  tags:
    - update_config

- name: "Update {{ service_name }}"
  shell: docker-compose pull
  args:
    chdir: '{{ service_base_path }}/{{ service_name }}'
  tags:
    - update_deployment

- name: "Start {{ service_name }}"
  shell: |
    docker-compose down
    docker-compose up -d    
  args:
    chdir: '{{ service_base_path }}/{{ service_name }}'
  tags:
    - update_config
    - update_deployment

- name: "Update landing page for {{ service_name }}"
  include_role:
    name: _deploy
    tasks_from: caddy_landing_page
  vars:
    current_services: [
      {
        current_name: "prometheus",
        current_url: "{{ http_s}}://{{ service_name }}-prometheus.{{ domain }}",
        current_version: "{{ prometheus_version }}",
        current_date: "{{ ansible_date_time.iso8601 }}",
      },
      {
        current_name: "grafana",
        current_url: "{{ http_s }}://{{ service_name }}-grafana.{{ domain }}",
        current_version: "{{ grafana_version }}",
        current_date: "{{ ansible_date_time.iso8601 }}",
      },
      {
        current_name: "alertmanager",
        current_url: "{{ http_s }}://{{ service_name }}-alertmanager.{{ domain }}",
        current_version: "{{ alertmanager_version }}",
        current_date: "{{ ansible_date_time.iso8601 }}",
      },
    ]

- name: "Wait for {{ http_s }}://{{ service_name }}-grafana.{{ domain }}"
  uri:
    url: "{{ http_s }}://{{ service_name }}-grafana.{{ domain }}/api/admin/stats"
    url_username: "{{ grafana_admin_username }}"
    url_password: "{{ grafana_admin_password }}"
    force_basic_auth: yes
    method: GET
    status_code: 200
    return_content: yes
  register: grafana_stats
  until: grafana_stats.status == 200
  retries: 10
  delay: 60

- name: Create grafana users
  uri:
    url: "{{ http_s }}://{{ service_name }}-grafana.{{ domain }}/api/admin/users"
    url_username: "{{ grafana_admin_username }}"
    url_password: "{{ grafana_admin_password }}"
    force_basic_auth: yes
    method: POST
    status_code: 200
    body_format: json
    body: "{\"name\":\"{{ item.name }}\", \"email\":\"{{ item.email }}\", \"login\":\"{{ item.login }}\", \"password\":\"{{ item.password }}\" }"
    headers:
      Content-Type: application/json
  loop:
     - {
      name: "{{ grafana_user_smardigo_login }}",
      email: "smardigo@arxes-tolina.de",
      login: "{{ grafana_user_smardigo_login }}",
      password: "{{ grafana_user_smardigo_password }}"
     }
     - {
      name: "{{ grafana_user_guest_login }}",
      email: "grafana-guest@arxes-tolina.de",
      login: "{{ grafana_user_guest_login }}",
      password: "{{ grafana_user_guest_password }}"
     }
  when: grafana_stats.json.users == 1

- name: "Send mattermost messsge"
  uri:
    url: "{{ mattermost_hook_smardigo }}"
    method: POST
    body: "{{ lookup('template','mattermost-deploy-end.json.j2') }}"
    body_format: json
    headers:
      Content-Type: "application/json"
  delegate_to: 127.0.0.1
  become: false
  when:
    - send_status_messages