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

---
- name: check if /var/lib/ceph/mon/{{ cluster }}-{{ monitor_name }}/keyring already exists
  stat:
    path: /var/lib/ceph/mon/{{ cluster }}-{{ monitor_name }}/keyring
  register: initial_mon_keyring

- name: fail if /var/lib/ceph/mon/{{ cluster }}-{{ monitor_name }}/keyring doesn't exist
  fail:
    msg: "/var/lib/ceph/mon/{{ cluster }}-{{ monitor_name }}/keyring not found"
  when:
    - not initial_mon_keyring.stat.exists

- name: get existing initial mon keyring if it already exists but not monitor_keyring.conf in {{ fetch_directory }}
  shell: |
    grep key /var/lib/ceph/mon/{{ cluster }}-{{ monitor_name }}/keyring | sed 's/^.*= //'
  register: monitor_keyring
  when:
    - not monitor_keyring_conf.stat.exists

- name: test existing initial mon keyring
  command: ceph --connect-timeout 3 --cluster {{ cluster }} --keyring /var/lib/ceph/mon/{{ cluster }}-{{ monitor_name }}/keyring -n mon. fsid
  changed_when: false
  register: test_initial_monitor_keyring
  ignore_errors: true

- name: fail if initial mon keyring found doesn't work
  fail:
    msg: "Initial mon keyring found doesn't work."
  when:
    - test_initial_monitor_keyring.rc != 0

- name: write initial mon keyring in {{ fetch_directory }}/monitor_keyring.conf if it doesn't exist
  shell: "echo {{ monitor_keyring.stdout }} | tee {{ fetch_directory }}/monitor_keyring.conf"
  delegate_to: localhost
  become: false
  when:
    - test_initial_monitor_keyring.rc == 0

- name: put initial mon keyring in mon kv store
  command: ceph --cluster {{ cluster }} config-key put initial_mon_keyring {{ monitor_keyring.stdout }}
  when:
    - test_initial_monitor_keyring.rc == 0