ceph-ansible/roles/ceph-mds/tasks/main.yml

---
## Deploy Ceph metadata server(s)

- name: Copy MDS bootstrap key
  copy: >
    src=fetch/{{ fsid }}/var/lib/ceph/bootstrap-mds/ceph.keyring
    dest=/var/lib/ceph/bootstrap-mds/ceph.keyring
    owner=root
    group=root
    mode=600
  when: cephx

- name: Create MDS directory
  file: >
    path=/var/lib/ceph/mds/ceph-{{ ansible_hostname }}
    state=directory
    owner=root
    group=root
    mode=0644
  when: cephx

- name: Create MDS keyring
  command: ceph --cluster ceph --name client.bootstrap-mds --keyring /var/lib/ceph/bootstrap-mds/ceph.keyring auth get-or-create mds.{{ ansible_hostname }} osd 'allow rwx' mds 'allow' mon 'allow profile mds' -o /var/lib/ceph/mds/ceph-{{ ansible_hostname }}/keyring creates=/var/lib/ceph/mds/ceph-{{ ansible_hostname }}/keyring
  when: cephx
  changed_when: False

- name: Set MDS key permissions
  file: >
    path=/var/lib/ceph/mds/ceph-{{ ansible_hostname }}/keyring
    mode=0600
    owner=root
    group=root
  when: cephx

- name: Start and add that the MDS service to the init sequence
  service: >
    name=ceph
    state=started
    enabled=yes
    args=mds