kolla-ansible/ansible/roles/ceph_pools.yml

---
# TODO(SamYaple): Improve failed_when and changed_when tests if possible
- name: Creating ceph erasure profile
  become: true
  command: docker exec ceph_mon ceph osd erasure-code-profile set erasure-profile {{ ceph_erasure_profile }}
  delegate_to: "{{ groups['ceph-mon'][0] }}"
  changed_when: False
  failed_when: False
  run_once: True
  when: pool_type == "erasure"

- name: Creating ceph ruleset
  become: true
  command: docker exec ceph_mon ceph osd crush rule create-erasure disks erasure-profile
  delegate_to: "{{ groups['ceph-mon'][0] }}"
  changed_when: False
  failed_when: False
  run_once: True
  when: pool_type == "erasure"

- name: Creating ceph ruleset
  become: true
  command: docker exec ceph_mon ceph osd crush rule create-simple disks {{ ceph_rule }}
  delegate_to: "{{ groups['ceph-mon'][0] }}"
  changed_when: False
  failed_when: False
  run_once: True
  when: pool_type == "replicated"

- name: Creating ceph pool
  become: true
  command: docker exec ceph_mon ceph osd pool create {{ pool_name }} {{ pool_pg_num }} {{ pool_pgp_num }} {{ pool_type }} {{ 'erasure-profile' if pool_type == 'erasure' else '' }} disks
  delegate_to: "{{ groups['ceph-mon'][0] }}"
  changed_when: False
  run_once: True

- name: enable application for ceph pool
  become: true
  command: docker exec ceph_mon ceph osd pool application enable {{ pool_name }} {{ pool_application }}
  changed_when: False
  delegate_to: "{{ groups['ceph-mon'][0] }}"
  run_once: True

- name: Creating ceph ruleset for cache
  become: true
  command: docker exec ceph_mon ceph osd crush rule create-simple cache {{ ceph_cache_rule }}
  delegate_to: "{{ groups['ceph-mon'][0] }}"
  changed_when: False
  failed_when: False
  run_once: True
  when: ceph_enable_cache | bool

- name: Creating ceph pool for cache
  become: true
  command: docker exec ceph_mon ceph osd pool create {{ pool_name }}-cache 128 128 replicated cache
  delegate_to: "{{ groups['ceph-mon'][0] }}"
  changed_when: False
  run_once: True
  when: ceph_enable_cache | bool

- name: Adding cache to pool
  become: true
  command: docker exec ceph_mon ceph osd tier add {{ pool_name }} {{ pool_name }}-cache
  delegate_to: "{{ groups['ceph-mon'][0] }}"
  changed_when: False
  failed_when: False
  run_once: True
  when: ceph_enable_cache | bool

- name: Setting cache-mode
  become: true
  command: docker exec ceph_mon ceph osd tier cache-mode {{ pool_name }}-cache {{ cache_mode }}
  delegate_to: "{{ groups['ceph-mon'][0] }}"
  changed_when: False
  failed_when: False
  run_once: True
  when: ceph_enable_cache | bool

- name: Setting cache overlay for pool
  become: true
  command: docker exec ceph_mon ceph osd tier set-overlay {{ pool_name }} {{ pool_name }}-cache
  delegate_to: "{{ groups['ceph-mon'][0] }}"
  changed_when: False
  failed_when: False
  run_once: True
  when: ceph_enable_cache | bool

- name: Setting cache hit_set_type
  become: true
  command: docker exec ceph_mon ceph osd pool set {{ pool_name }}-cache hit_set_type bloom
  delegate_to: "{{ groups['ceph-mon'][0] }}"
  changed_when: False
  failed_when: False
  run_once: True
  when: ceph_enable_cache | bool

- name: Setting cache target_max_bytes
  become: true
  command: docker exec ceph_mon ceph osd pool set {{ pool_name }}-cache target_max_bytes {{ ceph_target_max_bytes }}
  delegate_to: "{{ groups['ceph-mon'][0] }}"
  changed_when: False
  failed_when: False
  run_once: True
  when:
    - ceph_enable_cache | bool
    - ceph_target_max_bytes != ''

- name: Setting cache target_max_objects
  become: true
  command: docker exec ceph_mon ceph osd pool set {{ pool_name }}-cache target_max_objects {{ ceph_target_max_objects }}
  delegate_to: "{{ groups['ceph-mon'][0] }}"
  changed_when: False
  failed_when: False
  run_once: True
  when:
    - ceph_enable_cache | bool
    - ceph_target_max_objects != ''