---
# Copyright Red Hat, Inc.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.

# Requires
#   - volume prefix
#   - number of volumes
#   - volume size

- name: Check if we have a source candidate
  register: _src_overlay
  vars:
    _vol_name: >-
      {{
        ['base-',
         vol_prefix, '-vol-', vol_id] | join('')
      }}
  ansible.builtin.stat:
    get_attributes: false
    get_checksum: false
    get_mime: false
    path: >-
      {{
        [cifmw_libvirt_manager_ocp_pool_dir, _vol_name] | path_join
      }}
  loop: "{{ range(0, vol_num | int) | list }}"
  loop_control:
    index_var: vol_id
    label: "{{ vol_prefix }}-vol-{{ vol_id }}"

- name: Refresh all pools before trying to create volumes
  when:
    - "item.value.status == 'running'"
  community.libvirt.virt_pool:
    command: refresh
    name: "{{ item.key }}"
  loop: "{{ ansible_libvirt_pools | dict2items }}"
  loop_control:
    label: "{{ item.key }}"

- name: Manage volume creation
  vars:
    _pool_dir: >-
      {{
        (_src_overlay.results[vol_id].stat.exists) |
        ternary(cifmw_libvirt_manager_ocp_pool_dir,
                cifmw_libvirt_manager_pool_dir)
      }}
    _pool: >-
      {{
        (_src_overlay.results[vol_id].stat.exists) |
        ternary(cifmw_libvirt_manager_ocp_pool,
                cifmw_libvirt_manager_storage_pool)
      }}
  block:
    - name: Create volume in the storage pool
      register: _create_vol
      ansible.builtin.command:
        creates: "{{ _pool_dir }}/{{ vol_prefix }}-vol-{{ vol_id }}"
        cmd: >-
          virsh -c qemu:///system
          vol-create-as
          --pool {{ _pool }}
          --name {{ vol_prefix }}-vol-{{ vol_id }}
          {% if _src_overlay.results[vol_id].stat.exists -%}
          --backing-vol base-{{ vol_prefix }}-vol-{{ vol_id }}
          --backing-vol-format qcow2
          {% endif %}
          --capacity {{ vol_size }}
          --format {{ vol_format | default('qcow2') }}
      loop: "{{ range(0, vol_num | int) | list }}"
      loop_control:
        index_var: vol_id
        label: "{{ vol_prefix }}-vol-{{ vol_id }}"

    - name: Create XML attachment files
      vars:
        _suffix: 'abcdefghijklmnopqrstuvwxyz'
      ansible.builtin.template:
        dest: "{{ _pool_dir }}/{{ vol_prefix }}-vol-{{ vol_id }}.xml"
        src: "attach-volume.xml.j2"
        mode: "0644"
      loop: "{{ range(0, vol_num | int) | list }}"
      loop_control:
        index_var: vol_id
        label: "{{ vol_prefix }}-vol-{{ vol_id }}"