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] }}"
  when:
    - (hostvars[item]['ansible_architecture'] == 'x86_64') or (not containerized_deployment)

- name: run a dummy container (sleep 300) from where we can create pool(s)/key(s)
  command: >
    docker run \
    --rm \
    -d \
    -v {{ ceph_conf_key_directory }}:{{ ceph_conf_key_directory }}:z \
    --name ceph-create-keys \
    --entrypoint=sleep \
    {{ ceph_client_docker_registry}}/{{ ceph_client_docker_image }}:{{ ceph_client_docker_image_tag }} \
    300    
  changed_when: false
  when:
    - containerized_deployment
    - inventory_hostname == groups.get('_filtered_clients') | first

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

- name: set_fact docker_exec_cmd
  set_fact:
    docker_exec_cmd: "docker exec {% if groups.get(mon_group_name, []) | length > 0 -%} ceph-mon-{{ hostvars[delegated_node]['ansible_hostname'] }} {% else %} ceph-create-keys {% endif %}"
  when:
    - containerized_deployment

- name: create cephx key(s)
  ceph_key:
    state: present
    name: "{{ item.name }}"
    caps: "{{ item.caps }}"
    secret: "{{ item.key | default('') }}"
    containerized: "{{ docker_exec_cmd | default('') }}"
    cluster: "{{ cluster }}"
    dest: "{{ ceph_conf_key_directory }}"
    import_key: "{{ condition_copy_admin_key }}"
    mode: "{{ item.mode|default(omit) }}"
  with_items: "{{ keys }}"
  delegate_to: "{{ delegated_node }}"
  when:
    - cephx
    - 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
    - keys | length > 0
    - inventory_hostname == groups.get('_filtered_clients') | first

- name: pool related tasks
  when:
    - condition_copy_admin_key
    - inventory_hostname == groups.get('_filtered_clients', []) | first
  block:
    - name: list existing pool(s)
      command: >
        {{ docker_exec_cmd | default('') }} ceph --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: >
        {{ docker_exec_cmd | default('') }} ceph --cluster {{ cluster }}
        osd pool create {{ item.0.name }}
        {{ item.0.pg_num | default(osd_pool_default_pg_num) }}
        {{ item.0.pgp_num | default(item.0.pg_num) | default(osd_pool_default_pg_num) }}
        {{ 'replicated_rule' if not item.0.rule_name | default('replicated_rule') else item.0.rule_name | default('replicated_rule') }}
        {{ 1 if item.0.type|default(1) == 'replicated' else 3 if item.0.type|default(1) == 'erasure' else item.0.type|default(1) }}
        {%- if (item.0.type | default("1") == '3' or item.0.type | default("1") == 'erasure') and item.0.erasure_profile != '' %}
        {{ item.0.erasure_profile }}
        {%- endif %}
        {{ item.0.expected_num_objects | default('') }}        
      with_together:
        - "{{ pools }}"
        - "{{ created_pools.results }}"
      changed_when: false
      delegate_to: "{{ delegated_node }}"
      when:
        - pools | length > 0
        - item.1.rc != 0

    - name: customize pool size
      command: >
        {{ docker_exec_cmd | default('') }} ceph --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.size | default(osd_pool_default_size) != ceph_osd_pool_default_size

- 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)