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

---
- name: create bootstrap-mds and mds directories
  file:
    path: "{{ item }}"
    state: directory
    owner: "{{ ceph_uid if containerized_deployment else 'ceph' }}"
    group: "{{ ceph_uid if containerized_deployment else 'ceph' }}"
    mode: "{{ ceph_directories_mode }}"
  with_items:
    - /var/lib/ceph/bootstrap-mds/
    - /var/lib/ceph/mds/{{ cluster }}-{{ ansible_facts['hostname'] }}

- name: get keys from monitors
  command: "{{ container_exec_cmd | default('') }} ceph --cluster {{ cluster }} auth get {{ item.name }}"
  register: _mds_keys
  with_items:
    - { name: "client.bootstrap-mds", path: "/var/lib/ceph/bootstrap-mds/{{ cluster }}.keyring", copy_key: true }
    - { name: "client.admin", path: "/etc/ceph/{{ cluster }}.client.admin.keyring", copy_key: "{{ copy_admin_key }}" }
  delegate_to: "{{ groups.get(mon_group_name)[0] }}"
  run_once: true
  when:
    - cephx | bool
    - item.copy_key | bool

- name: copy ceph key(s) if needed
  copy:
    dest: "{{ item.item.path }}"
    content: "{{ item.stdout + '\n' }}"
    owner: "{{ ceph_uid if containerized_deployment else 'ceph' }}"
    group: "{{ ceph_uid if containerized_deployment else 'ceph' }}"
    mode: "{{ ceph_keyring_permissions }}"
  with_items: "{{ _mds_keys.results }}"
  when:
    - cephx | bool
    - item.item.copy_key | bool