---
# 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: Get neutron migrations facts
  neutron_migrations_facts:
    release: newton
    library_path: "{{ neutron_lib_dir }}"
    bin_path: "{{ neutron_bin }}"
  when: neutron_plugin_type.split('.')[0] == 'ml2'

- name: Print neutron migrations facts
  debug:
    var: neutron_migrations
  when: neutron_plugin_type.split('.')[0] == 'ml2'

- name: Perform a Neutron DB online upgrade (expand)
  command: |
    {{ neutron_bin }}/neutron-db-manage
                      --config-file {{ neutron_db_config }}
                      --config-file {{ neutron_db_plugin }}
                      upgrade --expand
  become: yes
  become_user: "{{ neutron_system_user_name }}"
  when:
    - (neutron_migrations is defined and neutron_migrations['run_expand']|bool)
    - neutron_plugin_type.split('.')[0] == 'ml2'

- name: Stop Neutron server
  service:
    name: "neutron-server"
    state: stopped
    pattern: "neutron-server"
  delegate_to: "{{ item }}"
  with_items: "{{ groups[neutron_services['neutron-server']['group']] }}"
  when: (neutron_migrations is defined and neutron_migrations['run_contract']|bool) or neutron_plugin_type.split('.')[0] != 'ml2'

- name: Perform a Neutron DB offline upgrade (contract)
  command: |
    {{ neutron_bin }}/neutron-db-manage
                      --config-file {{ neutron_db_config }}
                      --config-file {{ neutron_db_plugin }}
                      upgrade --contract
  become: yes
  become_user: "{{ neutron_system_user_name }}"
  when:
    - (neutron_migrations is defined and neutron_migrations['run_contract']|bool)
    - neutron_plugin_type.split('.')[0] == 'ml2'

# NOTE: We have to handle neutron_plugin_type.split('.')[0] != 'ml2' because not all neutron
#       plugins have contract/expand branches which breaks neutron-db-manage.
#       This can be reverted once all plugins are conformant.
- name: Perform a Neutron DB offline upgrade (heads)
  command: |
    {{ neutron_bin }}/neutron-db-manage
                      --config-file {{ neutron_db_config }}
                      --config-file {{ neutron_db_plugin }}
                      upgrade heads
  become: yes
  become_user: "{{ neutron_system_user_name }}"
  when:
    - neutron_plugin_type.split('.')[0] != 'ml2'

- name: Start neutron server
  service:
    name: "neutron-server"
    state: started
    pattern: "neutron-server"
  delegate_to: "{{ item }}"
  with_items: "{{ groups[neutron_services['neutron-server']['group']] }}"
  when: (neutron_migrations is defined and neutron_migrations['run_contract']|bool) or neutron_plugin_type.split('.')[0] != 'ml2'