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

---
- name: collect admin and bootstrap keys
  command: ceph-create-keys --cluster {{ cluster }} -i {{ monitor_name }} -t 30
  changed_when: false
  check_mode: no
  when:
    - cephx
    - ceph_release_num[ceph_release] >= ceph_release_num.luminous

- name: collect admin and bootstrap keys
  command: ceph-create-keys --cluster {{ cluster }} -i {{ monitor_name }}
  changed_when: false
  check_mode: no
  when:
    - cephx
    - ceph_release_num[ceph_release] < ceph_release_num.luminous

# NOTE (leseb): wait for mon discovery and quorum resolution
# the admin key is not instantaneously created so we have to wait a bit
# msg: is only supported as of Ansible 2.4.
- name: "wait for {{ cluster }}.client.admin.keyring exists"
  wait_for:
    path: /etc/ceph/{{ cluster }}.client.admin.keyring
    timeout: 30
    msg: "Timed out while waiting for keyring creation. Check network settings on mon nodes."
  when:
    - cephx
    - (ansible_version.major == 2 and ansible_version.minor >= 4) or
      ansible_version.major > 2

- name: "wait for {{ cluster }}.client.admin.keyring exists"
  wait_for:
    path: /etc/ceph/{{ cluster }}.client.admin.keyring
    timeout: 30
  when:
    - cephx
    - ansible_version.major == 2 and ansible_version.minor < 4

- name: test if initial mon keyring is in mon kv store
  command: ceph --cluster {{ cluster }} config-key get initial_mon_keyring
  changed_when: false
  ignore_errors: true
  check_mode: no
  run_once: true
  failed_when: false
  register: is_initial_mon_keyring_in_kv

- name: put initial mon keyring in mon kv store
  command: ceph --cluster {{ cluster }} config-key put initial_mon_keyring {{ monitor_keyring.stdout }}
  changed_when: false
  check_mode: no
  run_once: true
  when:
    - is_initial_mon_keyring_in_kv.rc != 0
    - cephx

- name: create ceph rest api keyring when mon is not containerized
  ceph_key:
    name: client.restapi
    state: present
    caps:
      mon: allow *
      osd: allow *
    cluster: "{{ cluster }}"
  when:
    - cephx
    - groups.get(restapi_group_name, []) | length > 0
    - inventory_hostname == groups[mon_group_name]|last

- name: create ceph mgr keyring(s) when mon is not containerized
  ceph_key:
    name: "mgr.{{ hostvars[item]['ansible_hostname'] }}"
    state: present
    caps:
      mon: allow profile mgr
      osd: allow *
      mds: allow *
    cluster: "{{ cluster }}"
  when:
    - cephx
    - groups.get(mgr_group_name, []) | length > 0
    - inventory_hostname == groups[mon_group_name]|last
    - ceph_release_num[ceph_release] > ceph_release_num.jewel
  with_items: "{{ groups.get(mgr_group_name, []) }}"

# once this gets backported github.com/ceph/ceph/pull/20983
# we will be able to remove these 2 tasks below
- name: find ceph keys
  shell: ls -1 /etc/ceph/*.keyring
  changed_when: false
  register: ceph_keys
  check_mode: no
  when:
    - cephx

- name: set keys permissions
  file:
    path: "{{ item }}"
    owner: "ceph"
    group: "ceph"
    mode: "0600"
  with_items:
    - "{{ ceph_keys.get('stdout_lines') | default([]) }}"
  when:
    - cephx

- name: set_fact bootstrap_rbd_keyring
  set_fact:
    bootstrap_rbd_keyring: "/var/lib/ceph/bootstrap-rbd/{{ cluster }}.keyring"
  when:
    - ceph_release_num[ceph_release] >= ceph_release_num.luminous

- name: copy keys to the ansible server
  fetch:
    src: "{{ item }}"
    dest: "{{ fetch_directory }}/{{ fsid }}/{{ item }}"
    flat: yes
  with_items:
    - "{{ ceph_keys.get('stdout_lines') | default([]) }}"
    - /var/lib/ceph/bootstrap-osd/{{ cluster }}.keyring
    - /var/lib/ceph/bootstrap-rgw/{{ cluster }}.keyring
    - /var/lib/ceph/bootstrap-mds/{{ cluster }}.keyring
    - "{{ bootstrap_rbd_keyring | default([]) }}"
  when:
    - cephx
    - inventory_hostname == groups[mon_group_name] | last

- name: drop in a motd script to report status when logging in
  copy:
    src: precise/92-ceph
    dest: /etc/update-motd.d/92-ceph
    owner: root
    group: root
    mode: 0755
  when:
    - ansible_distribution_release == 'precise'