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

---
- name: generate monitor initial keyring
  local_action: shell python2 -c "import os ; import struct ; import time; import base64 ; key = os.urandom(16) ; header = struct.pack('<hiih',1,int(time.time()),0,len(key)) ; print base64.b64encode(header + key)" | tee {{ fetch_directory }}/monitor_keyring.conf
    creates={{ fetch_directory }}/monitor_keyring.conf
  register: monitor_keyring
  become: false
  when: cephx

- name: read monitor initial keyring if it already exists
  local_action: command cat {{ fetch_directory }}/monitor_keyring.conf
    removes={{ fetch_directory }}/monitor_keyring.conf
  changed_when: false
  register: monitor_keyring
  become: false
  always_run: true
  when: cephx

- name: create monitor initial keyring
  command: ceph-authtool /var/lib/ceph/tmp/keyring.mon.{{ monitor_name }} --create-keyring --name=mon. --add-key={{ monitor_secret }} --cap mon 'allow *'
  args:
    creates: /var/lib/ceph/tmp/keyring.mon.{{ monitor_name }}
  when: cephx

- name: set initial monitor key permissions
  file:
    path: /var/lib/ceph/tmp/keyring.mon.{{ monitor_name }}
    owner: "ceph"
    group: "ceph"
    mode: "0600"
  when: cephx

- name: create monitor directory
  file:
    path: /var/lib/ceph/mon/{{ cluster }}-{{ monitor_name }}
    state: directory
    owner: "ceph"
    group: "ceph"
    mode: "0755"

- name: ceph monitor mkfs with keyring
  command: ceph-mon --cluster {{ cluster }} --setuser ceph --setgroup ceph --mkfs -i {{ monitor_name }} --fsid {{ fsid }} --keyring /var/lib/ceph/tmp/keyring.mon.{{ monitor_name }}
  args:
    creates: /var/lib/ceph/mon/{{ cluster }}-{{ monitor_name }}/keyring
  when:
    - cephx

- name: ceph monitor mkfs without keyring
  command: ceph-mon --cluster {{ cluster }} --setuser ceph --setgroup ceph --mkfs -i {{ monitor_name }} --fsid {{ fsid }}
  args:
    creates: /var/lib/ceph/mon/{{ cluster }}-{{ monitor_name }}/store.db
  when:
    - not cephx