ceph-ansible/roles/ceph-mon/tasks/deploy_monitors.yml

---
- name: Create monitor initial keyring
  command: >
    ceph-authtool /var/lib/ceph/tmp/keyring.mon.{{ ansible_hostname }} --create-keyring --name=mon. --add-key={{ monitor_secret | mandatory }} --cap mon 'allow *'
    creates=/var/lib/ceph/tmp/keyring.mon.{{ ansible_hostname }}

- name: Set initial monitor key permissions
  file: >
    path=/var/lib/ceph/tmp/keyring.mon.{{ ansible_hostname }}
    mode=0600
    owner=root
    group=root

- name: Create monitor directory
  file: >
    path=/var/lib/ceph/mon/ceph-{{ ansible_hostname }}
    state=directory
    owner=root
    group=root
    mode=0644

- name: Ceph monitor mkfs
  command: >
    ceph-mon --mkfs -i {{ ansible_hostname }} --fsid {{ fsid }} --keyring /var/lib/ceph/tmp/keyring.mon.{{ ansible_hostname }}
    creates=/var/lib/ceph/mon/ceph-{{ ansible_hostname }}/keyring