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

---
# NOTE (leseb): in the present playbook the conditional is done on the task
# We don't do this in main.yml because of the 'docker' variable, when set to true
# the role 'ceph-common' doesn't get inherited so the condition can not be evaluate
# since those check are performed by the ceph-common role
- name: create filesystem pools
  command: ceph --cluster {{ cluster }} osd pool create {{ item }} {{ osd_pool_default_pg_num }}
  with_items:
    - cephfs_data
    - cephfs_metadata
  changed_when: false

- name: check if ceph filesystem already exists
  command: ceph --cluster {{ cluster }} fs get {{ cephfs }}
  register: check_existing_cephfs
  changed_when: false
  failed_when: false
  when: inventory_hostname == groups.mons|last

- name: create ceph filesystem
  command: ceph --cluster {{ cluster }} fs new {{ cephfs }} {{ cephfs_metadata }} {{ cephfs_data }}
  changed_when: false
  when:
    - inventory_hostname == groups.mons|last
    - check_existing_cephfs.rc != 0

- name: allow multimds
  command: ceph --cluster {{ cluster }} fs set {{ cephfs }} allow_multimds true --yes-i-really-mean-it
  changed_when: false
  when:
    - ceph_release_num.{{ ceph_release }} >= ceph_release_num.jewel
    - mds_allow_multimds

- name: set max_mds
  command: ceph --cluster {{ cluster }} fs set {{ cephfs }} max_mds {{ mds_max_mds }}
  changed_when: false
  when:
    - ceph_release_num.{{ ceph_release }} >= ceph_release_num.jewel
    - mds_allow_multimds
    - mds_max_mds > 1