ceph-ansible/roles/ceph-iscsi-gw/tasks/common.yml

---
- name: make sure gateway_ip_list is configured
  fail:
    msg: "you must set a list of IPs (comma separated) for gateway_ip_list"
  when:
    - gateway_ip_list == "0.0.0.0"

- name: copy admin key
  copy:
    src: "{{ fetch_directory }}/{{ fsid }}/etc/ceph/{{ cluster }}.client.admin.keyring"
    dest: "/etc/ceph/{{ cluster }}.client.admin.keyring"
    owner: "root"
    group: "root"
    mode: "{{ ceph_keyring_permissions }}"
  when:
    - cephx

- name: deploy gateway settings, used by the ceph_iscsi_config modules
  template:
    src: "{{ role_path }}/templates/iscsi-gateway.cfg.j2"
    dest: /etc/ceph/iscsi-gateway.cfg

- name: set_fact docker_exec_cmd
  set_fact:
    docker_exec_cmd: "docker exec ceph-mon-{{ hostvars[groups[mon_group_name][0]]['ansible_hostname'] }}"
  delegate_to: "{{ groups[mon_group_name][0] }}"
  when: containerized_deployment

- name: check if a rbd pool exists
  command: "{{ docker_exec_cmd | default('') }} ceph --cluster {{ cluster }} osd pool ls --format json"
  changed_when: false
  register: rbd_pool_exists
  delegate_to: "{{ groups[mon_group_name][0] }}"

- name: rbd pool related tasks
  when: "'rbd' not in (rbd_pool_exists.stdout | from_json)"
  block:
    - name: get default value for osd_pool_default_pg_num
      command: "{{ docker_exec_cmd | default('') }} ceph --cluster {{ cluster }} daemon mon.{{ hostvars[groups[mon_group_name][0]]['ansible_hostname'] }} config get osd_pool_default_pg_num"
      changed_when: false
      register: osd_pool_default_pg_num
      delegate_to: "{{ groups[mon_group_name][0] }}"

    - name: create a rbd pool if it doesn't exist
      command: "{{ docker_exec_cmd | default('') }} ceph --cluster {{ cluster }} osd pool create rbd {{ (osd_pool_default_pg_num.stdout | from_json).osd_pool_default_pg_num }}"
      changed_when: false
      delegate_to: "{{ groups[mon_group_name][0] }}"

    - name: customize pool size
      command: "{{ docker_exec_cmd | default('') }} ceph --cluster {{ cluster }} osd pool set rbd size {{ rbd_pool_size | default('') }}"
      delegate_to: "{{ groups[mon_group_name][0] }}"
      changed_when: false
      when:
        - rbd_pool_size | default ("")