ceph-ansible/roles/ceph-client/tasks/create_users_keys.yml

---
- name: set_fact keys_tmp - preserve backward compatibility after the introduction of the ceph_keys module
  set_fact:
    keys_tmp: "{{ keys_tmp|default([]) + [ { 'key': item.key, 'name': item.name, 'caps': { 'mon': item.mon_cap, 'osd': item.osd_cap|default(''), 'mds': item.mds_cap|default(''), 'mgr': item.mgr_cap|default('') } , 'mode': item.mode } ] }}"
  when: item.get('mon_cap', None) # it's enough to assume we are running an old-fashionned syntax simply by checking the presence of mon_cap since every key needs this cap
  with_items: "{{ keys }}"

- name: set_fact keys - override keys_tmp with keys
  set_fact:
    keys: "{{ keys_tmp }}"
  when: keys_tmp is defined

# dummy container setup is only supported on x86_64
# when running with containerized_deployment: true this task
# creates a group that contains only x86_64 hosts.
# when running with containerized_deployment: false this task
# will add all client hosts to the group (and not filter).
- name: create filtered clients group
  add_host:
    name: "{{ item }}"
    groups: _filtered_clients
  with_items: "{{ groups[client_group_name] | intersect(ansible_play_batch) }}"
  when: (hostvars[item]['ansible_architecture'] == 'x86_64') or (not containerized_deployment | bool)

- name: set_fact delegated_node
  set_fact:
    delegated_node: "{{ groups[mon_group_name][0] if groups.get(mon_group_name, []) | length > 0 else inventory_hostname }}"

- name: set_fact admin_key_presence
  set_fact:
    admin_key_presence: "{{ True if groups.get(mon_group_name, []) | length > 0 else copy_admin_key }}"

- name: create cephx key(s)
  ceph_key:
    state: present
    name: "{{ item.name }}"
    caps: "{{ item.caps }}"
    secret: "{{ item.key | default('') }}"
    cluster: "{{ cluster }}"
    dest: "{{ ceph_conf_key_directory }}"
    import_key: "{{ admin_key_presence }}"
    mode: "{{ item.mode | default(ceph_keyring_permissions) }}"
    owner: "{{ ceph_uid if containerized_deployment | bool else 'ceph' }}"
    group: "{{ ceph_uid if containerized_deployment | bool else 'ceph' }}"
  environment:
    CEPH_CONTAINER_IMAGE: "{{ ceph_docker_registry + '/' + ceph_docker_image + ':' + ceph_docker_image_tag if containerized_deployment else None }}"
    CEPH_CONTAINER_BINARY: "{{ container_binary }}"
  with_items:
    - "{{ keys }}"
  delegate_to: "{{ delegated_node }}"
  when:
    - cephx | bool
    - keys | length > 0
    - inventory_hostname == groups.get('_filtered_clients') | first

- name: slurp client cephx key(s)
  slurp:
    src: "{{ ceph_conf_key_directory }}/{{ cluster }}.{{ item.name }}.keyring"
  with_items: "{{ keys }}"
  register: slurp_client_keys
  delegate_to: "{{ delegated_node }}"
  when:
    - cephx | bool
    - keys | length > 0
    - inventory_hostname == groups.get('_filtered_clients') | first

- name: pool related tasks
  when:
    - admin_key_presence | bool
    - inventory_hostname == groups.get('_filtered_clients', []) | first
  block:
    - import_role:
        name: ceph-facts
        tasks_from: get_def_crush_rule_name.yml

    - name: list existing pool(s)
      command: >
        {{ ceph_admin_command }} --cluster {{ cluster }}
        osd pool get {{ item.name }} size        
      with_items: "{{ pools }}"
      register: created_pools
      failed_when: false
      delegate_to: "{{ delegated_node }}"

    - name: create ceph pool(s)
      command: >
        {{ ceph_admin_command | default('') }} --cluster {{ cluster }}
        osd pool create {{ item.0.name }}
        {{ item.0.pg_num | default(osd_pool_default_pg_num) if not item.0.pg_autoscale_mode | default(False) | bool else 16 }}
        {{ item.0.pgp_num | default(item.0.pg_num) | default(osd_pool_default_pg_num) if not item.0.pg_autoscale_mode | default(False) | bool else '' }}
        {%- if item.0.type | default(1) | int == 1 or item.0.type | default('replicated') == 'replicated' %}
        replicated
        {{ item.0.rule_name | default(ceph_osd_pool_default_crush_rule_name) }}
        {{ item.0.expected_num_objects | default(0) }}
        {%- else %}
        erasure
        {{ item.0.erasure_profile }}
        {%- endif %}        
      with_together:
        - "{{ pools }}"
        - "{{ created_pools.results }}"
      changed_when: false
      delegate_to: "{{ delegated_node }}"
      when:
        - pools | length > 0
        - item.1.rc != 0

    - name: set the target ratio on pool(s)
      command: "{{ ceph_admin_command | default('') }} --cluster {{ cluster }} osd pool set {{ item.name }} target_size_ratio {{ item.target_size_ratio }}"
      with_items: "{{ pools | unique }}"
      delegate_to: "{{ delegated_node }}"
      when:
        - item.pg_autoscale_mode | default(False) | bool
        - item.target_size_ratio is defined

    - name: set pg_autoscale_mode value on pool(s)
      command: "{{ ceph_admin_command | default('') }} --cluster {{ cluster }} osd pool set {{ item.name }} pg_autoscale_mode {{ item.pg_autoscale_mode | default(False) | ternary('on', 'warn') }}"
      delegate_to: "{{ delegated_node }}"
      with_items: "{{ pools | unique }}"

    - name: customize pool size
      command: >
        {{ ceph_admin_command | default('') }} --cluster {{ cluster }}
        osd pool set {{ item.name }} size {{ item.size | default(osd_pool_default_size) }}        
      with_items: "{{ pools | unique }}"
      delegate_to: "{{ delegated_node }}"
      changed_when: false
      when:
        - pools | length > 0
        - item.type | default(1) | int != 3
        - item.type | default('replicated') != 'erasure'
        - item.size | default(osd_pool_default_size) != ceph_osd_pool_default_size

    - name: customize pool min_size
      command: >
        {{ ceph_admin_command | default('') }} --cluster {{ cluster }}
        osd pool set {{ item.name }} min_size {{ item.min_size | default(osd_pool_default_min_size) }}        
      with_items: "{{ pools | unique }}"
      delegate_to: "{{ delegated_node }}"
      changed_when: false
      when:
        - pools | length > 0
        - (item.min_size | default(osd_pool_default_min_size))|int > ceph_osd_pool_default_min_size
        - item.type | default(1) | int != 3
        - item.type | default('replicated') != 'erasure'

    - name: customize pool crush_rule
      command: >
        {{ ceph_admin_command | default('') }} --cluster {{ cluster }}
        osd pool set {{ item.name }} crush_rule {{ item.rule_name | default(ceph_osd_pool_default_crush_rule_name) }}        
      with_items: "{{ pools | unique }}"
      delegate_to: "{{ delegated_node }}"
      changed_when: false
      when:
        - item.rule_name | default(ceph_osd_pool_default_crush_rule_name)
        - item.type | default(1) | int != 3
        - item.type | default('replicated') != 'erasure'

    - name: assign application to pool(s)
      command: "{{ ceph_admin_command | default('') }} --cluster {{ cluster }} osd pool application enable {{ item.name }} {{ item.application }}"
      with_items: "{{ pools | unique }}"
      changed_when: false
      delegate_to: "{{ delegated_node }}"
      when: item.application is defined

- name: get client cephx keys
  copy:
    dest: "{{ item.source }}"
    content: "{{ item.content | b64decode }}"
    mode: "{{ item.item.get('mode', '0600') }}"
    owner: "{{ ceph_uid }}"
    group: "{{ ceph_uid }}"
  with_items: "{{ hostvars[groups['_filtered_clients'][0]]['slurp_client_keys']['results'] }}"
  when: not item.get('skipped', False)