ceph-ansible/roles/ceph-mon/tasks/docker/start_docker_monitor.yml

---
- name: pull ceph daemon image
  shell: "docker pull {{ ceph_mon_docker_username }}/{{ ceph_mon_docker_imagename }}"

- name: run the ceph Monitor docker image
  docker:
    image: "{{ ceph_mon_docker_username }}/{{ ceph_mon_docker_imagename }}"
    name: "{{ ansible_hostname }}"
    net: "host"
    state: "running"
    env: "MON_IP={{ hostvars[inventory_hostname]['ansible_' + ceph_mon_docker_interface]['ipv4']['address'] }},CEPH_DAEMON=MON,CEPH_PUBLIC_NETWORK={{ ceph_mon_docker_subnet }},{{ ceph_mon_extra_envs }}"
    volumes: "/var/lib/ceph:/var/lib/ceph,/etc/ceph:/etc/ceph"

- name: fetch ceph.conf from mon
  fetch:
     dest: "{{ playbook_dir }}/{{ fetch_directory }}/{{ fsid}}/etc/ceph/ceph.conf"
     src: /etc/ceph/ceph.conf
     flat: yes