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

---
- name: generate monitor initial keyring
  local_action:
    module: shell
      python -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).decode())" | 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:
    module: command
      cat {{ fetch_directory }}/monitor_keyring.conf
    removes: "{{ fetch_directory }}/monitor_keyring.conf"
  changed_when: false
  register: monitor_keyring
  become: false
  check_mode: no
  when: cephx

- name: create monitor initial keyring
  ceph_key:
    name: mon.
    state: present
    dest: "/var/lib/ceph/tmp/"
    secret: "{{ monitor_secret }}"
    cluster: "{{ cluster }}"
    caps:
      mon: allow *
    import_key: False
  when: cephx

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

- name: create (and fix ownership of) monitor directory
  file:
    path: /var/lib/ceph/mon/{{ cluster }}-{{ monitor_name }}
    state: directory
    owner: "ceph"
    group: "ceph"
    mode: "0755"
    recurse: true

- name: create custom admin keyring
  ceph_key:
    name: client.admin
    state: present
    secret: "{{ admin_secret }}"
    auid: 0
    caps: "{{ client_admin_ceph_authtool_cap }}"
    import_key: False
    cluster: "{{ cluster }}"
  register: create_custom_admin_secret
  when:
    - cephx
    - admin_secret != 'admin_secret'

- name: set ownership of admin keyring
  file:
    path: /etc/ceph/{{ cluster }}.client.admin.keyring
    state: file
    owner: 'ceph'
    group: 'ceph'
    mode: "{{ ceph_keyring_permissions }}"
  when:
    - cephx
    - admin_secret != 'admin_secret'

- name: import admin keyring into mon keyring
  command: ceph-authtool /var/lib/ceph/tmp/{{ cluster }}.mon..keyring --import-keyring /etc/ceph/{{ cluster }}.client.admin.keyring
  when:
    - not create_custom_admin_secret.get('skipped')
    - cephx
    - admin_secret != 'admin_secret'

- 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/{{ cluster }}.mon..keyring
  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