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

---
- name: check if a rbd pool exists
  command: ceph --cluster {{ cluster }} osd pool ls --format json
  register: rbd_pool_exists

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

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

- name: igw_gateway (tgt) | configure iscsi target (gateway)
  igw_gateway:
    mode: "target"
    gateway_iqn: "{{ gateway_iqn }}"
    gateway_ip_list: "{{ gateway_ip_list }}"
  register: target

- name: igw_lun | configure luns (create/map rbds and add to lio)
  igw_lun:
    pool: "{{ item.pool }}"
    image: "{{ item.image }}"
    size: "{{ item.size }}"
    host: "{{ item.host }}"
    state: "{{ item.state }}"
  with_items: "{{ rbd_devices }}"
  register: images

- name: igw_gateway (map) | map luns to the iscsi target
  igw_gateway:
    mode: "map"
    gateway_iqn: "{{ gateway_iqn }}"
    gateway_ip_list: "{{ gateway_ip_list }}"
  register: luns

- name: igw_client | configure client connectivity
  igw_client:
    client_iqn: "{{ item.client }}"
    image_list: "{{ item.image_list }}"
    chap: "{{ item.chap }}"
    state: "{{ item.status }}"
  with_items: "{{ client_connections }}"
  register: clients