---
# 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: Ensure keystone service stopped on first node
  service:
    name: "{{ item }}"
    state: stopped
  register: keystone_stop
  failed_when:
    - keystone_stop.msg is defined
    - "'no service or tool' not in keystone_stop.msg"
    - "'systemd could not find' not in keystone_stop.msg"
    - "'Could not find the requested service' not in keystone_stop.msg"
  with_items:
    - "{{ keystone_wsgi_program_names }}"
    - "{{ keystone_system_service_name }}"

- name: Check current state of Keystone DB
  command: "{{ keystone_bin }}/keystone-manage db_sync --check"
  register: keystone_db_sync_check
  failed_when: keystone_db_sync_check.rc == 1
  changed_when: "{{ keystone_db_sync_check.rc not in [2, 3, 4] }}"

- name: Perform a Keystone DB sync expand
  command: "{{ keystone_bin }}/keystone-manage db_sync --expand"
  become: yes
  become_user: "{{ keystone_system_user_name }}"
  when: keystone_db_sync_check.rc == 2

- name: Perform a Keystone DB sync migrate
  command: "{{ keystone_bin }}/keystone-manage db_sync --migrate"
  become: yes
  become_user: "{{ keystone_system_user_name }}"
  when: "{{ keystone_db_sync_check.rc in [2, 3] }}"
  notify:
    - Perform a Keystone DB sync contract

- name: Check if Keystone DB sync contract is required
  command: "true"
  changed_when: keystone_db_sync_check.rc == 4
  register: dbsync
  notify:
    - Perform a Keystone DB sync contract