---
# Copyright 2015, Rackspace US, Inc.
#
# 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 Cinder file
  command: "truncate -s {{ bootstrap_host_loopback_cinder_size }}G /openstack/cinder.img"
  args:
    creates: /openstack/cinder.img
  register: cinder_create
  tags:
    - cinder-file-create

- name: Get a loopback device for cinder file
  command: losetup -f
  when: cinder_create | changed
  register: cinder_losetup
  tags:
    - cinder-device-get

- name: Create the loopback device
  command: "losetup {{ cinder_losetup.stdout }} /openstack/cinder.img"
  when: cinder_create | changed
  tags:
    - cinder-device-create

- name: Ensure that rc.local exists
  file:
    path: "{{ rc_local }}"
    state: touch
    mode: "u+x"
  tags:
    - cinder-rc-file

# As the cinder loopback is an LVM VG, it needs to be mounted differently
#  to the other loopback files. It requires the use of rc.local to attach
#  the loopback device on boot so that the VG becomes available immediately
#  after the boot process completes.
- name: Create loopback devices at boot time
  lineinfile:
    dest:  "{{ rc_local }}"
    line: "losetup $(losetup -f) /openstack/cinder.img"
    insertbefore: "{{ rc_local_insert_before }}"
  tags:
    - cinder-rc-config

- name: Make LVM physical volume on the cinder device
  command: "{{ item }}"
  when: cinder_create | changed
  with_items:
    - "pvcreate {{ cinder_losetup.stdout }}"
    - "pvscan"
  tags:
    - cinder-lvm-pv

- name: Add cinder-volumes volume group
  lvg:
    vg: cinder-volumes
    pvs: "{{ cinder_losetup.stdout }}"
  when: cinder_create | changed
  tags:
    - cinder-lvm-vg