ceph-ansible/roles/ceph-defaults/tasks/facts.yml

---
- name: set_fact monitor_name ansible_hostname
  set_fact:
    monitor_name: "{{ ansible_hostname }}"
  when:
    - not mon_use_fqdn

- name: set_fact monitor_name ansible_fqdn
  set_fact:
    monitor_name: "{{ ansible_fqdn }}"
  when:
    - mon_use_fqdn

# this task shouldn't run in a rolling_update situation
# because it blindly picks a mon, which may be down because
# of the rolling update
- name: is ceph running already?
  command: "{{ docker_exec_cmd }} ceph --connect-timeout 3 --cluster {{ cluster }} fsid"
  changed_when: false
  failed_when: false
  check_mode: no
  register: ceph_current_fsid
  delegate_to: "{{ groups[mon_group_name][0] }}"
  when:
    - not rolling_update
    - groups.get(mon_group_name, []) | length > 0

# We want this check to be run only on the first node
- name: check if {{ fetch_directory }} directory exists
  local_action: stat path="{{ fetch_directory }}/monitor_keyring.conf"
  become: false
  register: monitor_keyring_conf
  run_once: true

# set this as a default when performing a rolling_update
# so the rest of the tasks here will succeed
- name: set_fact ceph_current_fsid rc 1
  set_fact:
    ceph_current_fsid:
      rc: 1
  when:
    - rolling_update or groups.get(mon_group_name, []) | length == 0

- name: create a local fetch directory if it does not exist
  local_action: file path={{ fetch_directory }} state=directory
  changed_when: false
  become: false
  run_once: true
  when:
    - (cephx or generate_fsid)

- name: set_fact fsid ceph_current_fsid.stdout
  set_fact:
    fsid: "{{ ceph_current_fsid.stdout }}"
  when:
    - ceph_current_fsid.rc == 0

# Set ceph_release to ceph_stable by default
- name: set_fact ceph_release ceph_stable_release
  set_fact:
    ceph_release: "{{ ceph_stable_release }}"

- name: generate cluster fsid
  local_action: shell python -c 'import uuid; print(str(uuid.uuid4()))' | tee {{ fetch_directory }}/ceph_cluster_uuid.conf
    creates="{{ fetch_directory }}/ceph_cluster_uuid.conf"
  register: cluster_uuid
  become: false
  when:
    - generate_fsid
    - ceph_current_fsid.rc != 0

- name: reuse cluster fsid when cluster is already running
  local_action: shell echo {{ fsid }} | tee {{ fetch_directory }}/ceph_cluster_uuid.conf
    creates="{{ fetch_directory }}/ceph_cluster_uuid.conf"
  become: false
  when:
    - ceph_current_fsid.rc == 0

- name: read cluster fsid if it already exists
  local_action: command cat {{ fetch_directory }}/ceph_cluster_uuid.conf
    removes="{{ fetch_directory }}/ceph_cluster_uuid.conf"
  changed_when: false
  register: cluster_uuid
  become: false
  check_mode: no
  when:
    - generate_fsid

- name: set_fact fsid
  set_fact:
    fsid: "{{ cluster_uuid.stdout }}"
  when:
    - generate_fsid

- name: set_fact mds_name ansible_hostname
  set_fact:
    mds_name: "{{ ansible_hostname }}"
  when:
    - not mds_use_fqdn

- name: set_fact mds_name ansible_fqdn
  set_fact:
    mds_name: "{{ ansible_fqdn }}"
  when:
    - mds_use_fqdn

- name: set_fact rbd_client_directory_owner ceph
  set_fact:
    rbd_client_directory_owner: ceph
  when:
    - rbd_client_directory_owner is not defined
      or not rbd_client_directory_owner

- name: set_fact rbd_client_directory_group rbd_client_directory_group
  set_fact:
    rbd_client_directory_group: ceph
  when:
    - rbd_client_directory_group is not defined
      or not rbd_client_directory_group

- name: set_fact rbd_client_directory_mode 0770
  set_fact:
    rbd_client_directory_mode: "0770"
  when:
    - rbd_client_directory_mode is not defined
      or not rbd_client_directory_mode

- name: resolve device link(s)
  command: readlink -f {{ item }}
  changed_when: false
  with_items: "{{ devices }}"
  register: devices_prepare_canonicalize
  when:
    - inventory_hostname in groups.get(osd_group_name, [])
    - not osd_auto_discovery|default(False)

- name: set_fact build devices from resolved symlinks
  set_fact:
    devices: "{{ devices | default([]) + [ item.stdout ] }}"
  with_items: "{{ devices_prepare_canonicalize.results }}"
  when:
    - inventory_hostname in groups.get(osd_group_name, [])
    - not osd_auto_discovery|default(False)

- name: set_fact build final devices list
  set_fact:
    devices: "{{ devices | reject('search','/dev/disk') | list | unique }}"
  when:
    - inventory_hostname in groups.get(osd_group_name, [])
    - not osd_auto_discovery|default(False)