---
# 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: Check current state of Keystone DB
  command: "{{ keystone_bin }}/keystone-manage db_sync --check"
  become: yes
  become_user: "{{ keystone_system_user_name }}"
  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]"
  run_once: yes

- name: Set the db sync local facts
  ini_file:
    dest: "/etc/ansible/facts.d/openstack_ansible.fact"
    section: keystone
    option: "{{ item.name }}"
    value: "{{ item.state }}"
  with_items:
    - name: "need_db_expand"
      state: "{{ (keystone_db_sync_check.rc | int == 2) | bool }}"
    - name: "need_db_migrate"
      state: "{{ (keystone_db_sync_check.rc | int in [2, 3] ) | bool }}"
    - name: "need_db_contract"
      state: "{{ (keystone_db_sync_check.rc | int in [2, 3, 4]) | bool }}"

- name: Refresh local facts
  setup:
    filter: ansible_local
    gather_subset: "!all"
  tags:
    - keystone-config

# When keystone is initially built, the service does not yet exist on the
# host this task is executed on. Detect the presence of the services.
- name: Test if keystone service exists
  service:
    name: "{{ item }}"
  check_mode: yes
  register: keystone_service_exists
  with_items: "{{ keystone_wsgi_program_names }}"

- name: Ensure keystone service is stopped
  service:
    name: "{{ item.name }}"
    state: stopped
  register: _stop
  until: _stop | success
  retries: 5
  delay: 2
  with_items: "{{ keystone_service_exists.results }}"
  when:
    - "(ansible_local['openstack_ansible']['keystone']['need_db_expand'] | bool) or
       (ansible_local['openstack_ansible']['keystone']['need_db_migrate'] | bool)"
    - "(item.status['LoadState'] == 'loaded' | bool)"
  notify:
    - Restart uWSGI

- name: Perform a Keystone DB sync expand
  command: "{{ keystone_bin }}/keystone-manage db_sync --expand"
  become: yes
  become_user: "{{ keystone_system_user_name }}"
  when:
    - "ansible_local['openstack_ansible']['keystone']['need_db_expand'] | bool"
  run_once: yes

- name: Perform a Keystone DB sync migrate
  command: "{{ keystone_bin }}/keystone-manage db_sync --migrate"
  become: yes
  become_user: "{{ keystone_system_user_name }}"
  when:
    - "ansible_local['openstack_ansible']['keystone']['need_db_migrate'] | bool"
  run_once: yes

- name: Perform a Keystone DB sync contract
  command: "{{ keystone_bin }}/keystone-manage db_sync --contract"
  become: yes
  become_user: "{{ keystone_system_user_name }}"
  when:
    - "(keystone_all_software_updated | default('no')) | bool"
    - "ansible_local['openstack_ansible']['keystone']['need_db_contract'] | bool"
  run_once: yes