---
# 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: Prepare cinder-volumes volume group
  hosts: localhost
  tasks:
    - name: Install lvm2 package
      apt:
        name: lvm2
    - name: Create sparse Cinder file
      shell: "truncate -s 10G /openstack/cinder.img"
      args:
        creates: /openstack/cinder.img
      register: cinder_create
    - name: Get a loopback device for cinder file
      shell: losetup -f
      when: cinder_create | changed
      register: cinder_losetup
    - name: Create the loopback device
      shell: "losetup {{ cinder_losetup.stdout }} /openstack/cinder.img"
      when: cinder_create | changed
    - name: Make LVM physical volume on the cinder device
      shell: "{{ item }}"
      when: cinder_create | changed
      with_items:
        - "pvcreate {{ cinder_losetup.stdout }}"
        - "pvscan"
    - name: Add cinder-volumes volume group
      lvg:
        vg: cinder-volumes
        pvs: "{{ cinder_losetup.stdout }}"
      when: cinder_create | changed