ceph-ansible/roles/ceph-prometheus/tasks/setup_container.yml

---
- name: include ceph-container-common
  include_role:
    name: ceph-container-common
    allow_duplicates: false

- name: make sure the alertmanager service is down
  service:
    name: alertmanager
    state: stopped
  failed_when: false

- name: start alertmanager container
  docker_container:
    name: alertmanager
    image: "{{ alertmanager_container_image }}"
    state: started
    command:
      - '--config.file=/etc/alertmanager/alertmanager.yml'
      - '--storage.path=/alertmanager'
    # restart to allow updates
    restart: true
    restart_policy: no
    force_kill: yes
    published_ports: '9093:9093'
    detach: true
    volumes:
      - "{{ alertmanager_conf_dir }}:/etc/alertmanager:Z"
      - "{{ alertmanager_data_dir }}:/alertmanager:Z"
    networks:
      - name: "{{ dashboard_network_name }}"
    keep_volumes: true
    pull: true
    cpu_period: "{{ alertmanager_container_cpu_period }}"
    # As of ansible-2.5.2, this module doesn't support the equivalent of the
    # --cpus flag, so we must use period/quota for now
    cpu_quota: "{{ alertmanager_container_cpu_period * alertmanager_container_cpu_cores }}"
    #memory: 0
    #memory_swap: 0
    memory: "{{ alertmanager_container_memory }}GB"
    memory_swap: "{{ alertmanager_container_memory * 2 }}GB"
  notify: service handler

- name: make sure the prometheus service is down
  service:
    name: prometheus
    state: stopped
  failed_when: false

- name: start prometheus docker container
  docker_container:
    name: prometheus
    image: "{{ prometheus_container_image }}"
    state: started
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
      - '--storage.tsdb.path=/prometheus'
      - '--web.external-url=http://{{ inventory_hostname }}:9090/'
    # restart to allow updates
    restart: true
    restart_policy: no
    force_kill: yes
    published_ports: '9090:9090'
    detach: true
    volumes:
      - "{{ prometheus_conf_dir }}:/etc/prometheus:Z"
      - "{{ prometheus_data_dir }}:/prometheus:Z"
    networks:
      - name: "{{ dashboard_network_name }}"
    user: "{{ prometheus_user_id }}"
    keep_volumes: true
    pull: true
    cpu_period: "{{ prometheus_container_cpu_period }}"
    # As of ansible-2.5.2, this module doesn't support the equivalent of the
    # --cpus flag, so we must use period/quota for now
    cpu_quota: "{{ prometheus_container_cpu_period * prometheus_container_cpu_cores }}"
    #memory: 0
    #memory_swap: 0
    memory: "{{ prometheus_container_memory }}GB"
    memory_swap: "{{ prometheus_container_memory * 2 }}GB"
  notify: service handler

- name: ship systemd services
  copy:
    src: "{{ item }}"
    dest: "/etc/systemd/system/"
    owner: root
    group: root
    mode: 0644
  with_items:
    - 'alertmanager.service'
    - 'prometheus.service'
  notify: service handler