---
- name: install cinder-volume and lvm2 packages
  apt: name={{ item }} state=present force=yes
  with_items:
    - cinder-volume
    - lvm2

- name: generate cinder volume service list
  shell: echo {{ item }} >> /opt/service
  with_items:
    - cinder-volume

- name: check if physical device exists
  stat: path={{ physical_device }}
  register: st

- name: repace physical_device if st is false
  local_action: copy src=loop.yml dest=/tmp/loop.yml
  when: st.stat.exists == False

- name: load loop.yml
  include_vars: /tmp/loop.yml
  when: st.stat.exists == False

- name: check if cinder-volumes is mounted
  shell: ls /mnt
  register: cindervolumes

- name: get available partition size
  shell: df / | awk '$3 ~ /[0-9]+/ { print $4 }'
  register: partition_size

- name: if not mounted, mount it
  shell: dd if=/dev/zero of=/mnt/cinder-volumes
         bs=1 count=0 seek={{ partition_size.stdout }}
  when: cindervolumes.stdout != 'cinder-volumes'

- name: get first lo device
  shell: ls /dev/loop* | egrep 'loop[0-9]+'|sed -n 1p
  register: first_lo
  when: cindervolumes.stdout != 'cinder-volumes'

- name: do a losetup on /mnt/cinder-volumes
  shell: losetup {{ first_lo.stdout }} /mnt/cinder-volumes
  when: cindervolumes.stdout != 'cinder-volumes'

- name: create physical and group volumes
  lvg: vg=cinder-volumes pvs={{ physical_device }}
       vg_options=--force

- name: upload cinder-volume configuration
  template: src=cinder.conf dest=/etc/cinder/cinder.conf
            backup=yes
  notify:
     - restart cinder-volume