---
# Copyright 2016, Logan Vig <logan2211@gmail.com>
#
# 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.

- name: Create sparse ceph OSD files
  command: truncate -s {{ bootstrap_host_loopback_ceph_size }}G /openstack/{{ item }}.img
  args:
    creates: "/openstack/{{ item }}.img"
  with_items: "{{ ceph_osd_images }}"
  register: ceph_create
  tags:
    - ceph-file-create

- name: Run the systemd service role
  include_role:
    name: systemd_service
  vars:
    systemd_services:
      - service_name: "loop-{{ loopback_var }}"
        config_overrides:
          Unit:
            Description: no
            After: systemd-udev-settle.service
          Service:
            RemainAfterExit: yes
        service_type: oneshot
        execstarts:
          - /bin/bash -c "/sbin/losetup $(/sbin/losetup -f) /openstack/{{ loopback_var }}.img"
        execstops:
          - /bin/bash -c "losetup -d $(losetup -l | awk '/{{ loopback_var }}.img/ {print $1}')"
        enabled: yes
        state: started
    systemd_tempd_prefix: openstack
  with_items: "{{ ceph_osd_images }}"
  loop_control:
    loop_var: loopback_var
  tags:
    - ceph-config

- name: Get loopback device
  shell: "losetup -l | awk '/{{ item }}.img/ {print $1}'"
  changed_when: false
  register: ceph_create_loopback
  with_items: "{{ ceph_osd_images }}"
  tags:
    - skip_ansible_lint

- name: Set permissions on loopback devices
  file:
    path: "{{ item.stdout }}"
    mode: "0777"
  with_items: "{{ ceph_create_loopback.results }}"

# NOTE(jrosser) ceph-volume is unwilling to automatically create OSD
# directly on loop devices - see http://tracker.ceph.com/issues/36603
# Work around this with manual LVM creation and the advanced lvm OSD
# scenario
- name: Create LVM VG
  lvg:
    vg: "vg-{{ item.stdout | basename }}"
    pvs: "{{ item.stdout }}"
  loop: "{{ ceph_create_loopback.results }}"

- name: Create LVM LV
  lvol:
    lv: "lv-{{ item.stdout | basename }}"
    vg: "vg-{{ item.stdout | basename }}"
    size: 100%FREE
  loop: "{{ ceph_create_loopback.results }}"

# TODO(logan): Move these vars to user_variables.ceph.yml.j2 once LP #1649381
# is fixed and eliminate this task.
- name: Write ceph cluster config
  copy:
    content: |
      ---
      lvm_volumes:
      {% for d in ceph_create_loopback | json_query('results[].stdout') %}
        - data_vg: vg-{{ d | basename }}
          data: lv-{{ d | basename }}
      {% endfor %}
      cinder_backends:
        "rbd_volumes":
          volume_driver: cinder.volume.drivers.rbd.RBDDriver
          rbd_pool: volumes
          rbd_ceph_conf: /etc/ceph/ceph.conf
          rbd_store_chunk_size: 8
          volume_backend_name: rbddriver
          rbd_user: cinder
          rbd_secret_uuid: "{% raw %}{{ cinder_ceph_client_uuid }}{% endraw %}"
          report_discard_supported: true
    dest: /etc/openstack_deploy/user_ceph_aio.yml
    force: no
  become: false
  when: not ceph_create_loopback is skipped
  tags:
    - skip_ansible_lint