---
# Copyright 2014, 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: Perform a cinder DB sync
  command: "{{ cinder_bin }}/cinder-manage db sync"
  become: yes
  become_user: "{{ cinder_system_user_name }}"
  changed_when: false

- name: Perform data migrations if necessary and all cinder services are up
  block:

    - name: Perform online data migrations
      command: "{{ cinder_bin }}/cinder-manage db online_data_migrations"
      register: data_migrations
      changed_when: false

  rescue:

    - name: Check if all cinder services are up
      shell: "{{ cinder_bin }}/cinder-manage service list | /usr/bin/awk '{ if(NR>1) print $5 }' | /bin/egrep -vq ':-)'"
      register: failed_cinder_services
      ignore_errors: True

    - name: Fail if any cinder service is down
      fail:
        msg: At least one cinder service is down. You need to fix this before re-running the playbook.
      when: failed_cinder_services.rc != 1

    - name: All cinder services are up, but migration failed nontheless.
      fail:
        msg: An unexpected error occured.
      when: failed_cinder_services.rc == 1

  become: yes
  become_user: "{{ cinder_system_user_name }}"
  when:
    - "(cinder_all_software_updated | default('no')) | bool"
    - "ansible_local['openstack_ansible']['cinder']['need_online_data_migrations'] | bool"

- name: Disable the online migrations requirement
  ini_file:
    dest: "/etc/ansible/facts.d/openstack_ansible.fact"
    section: cinder
    option: need_online_data_migrations
    value: False
  when:
    - not data_migrations is skipped
    - data_migrations  is succeeded