---
# Copyright 2018, 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: Define the docker api
  block:
    - name: Get docker api version
      command: >-
        {% raw %}
        docker version -f "{{ .Client.APIVersion }}"
        {% endraw %}
      failed_when: false
      changed_when: false
      register: docker_version

    - name: Set docker api version fact
      set_fact:
        zun_docker_api_version: "{{ docker_version.stdout | trim }}"
  when:
    - zun_services['zun-compute']['group'] in group_names

- name: Generate zun config
  openstack.config_template.config_template:
    src: "{{ item.src }}"
    dest: "{{ item.dest }}"
    owner: "{{ zun_system_user_name }}"
    group: "{{ zun_system_group_name }}"
    mode: "0640"
    config_overrides: "{{ item.config_overrides }}"
    config_type: "{{ item.config_type }}"
  with_items:
    - src: "zun.conf.j2"
      dest: "/etc/zun/zun.conf"
      config_overrides: "{{ zun_zun_conf_overrides }}"
      config_type: "ini"
    - src: "rootwrap.conf.j2"
      dest: "/etc/zun/rootwrap.conf"
      config_overrides: "{{ zun_rootwrap_conf_overrides }}"
      config_type: "ini"
    - src: "api-paste.ini.j2"
      dest: "/etc/zun/api-paste.ini"
      config_overrides: "{{ zun_api_paste_ini_overrides }}"
      config_type: "ini"
  notify:
    - Restart uwsgi services
    - Restart zun services
  tags:
    - zun-config
    - zun-post-install

- name: Implement policy.yaml if there are overrides configured
  openstack.config_template.config_template:
    content: "{{ zun_policy_overrides }}"
    dest: "/etc/zun/policy.yaml"
    config_type: yaml
  when:
    - zun_policy_overrides | length > 0
  tags:
    - zun-policy-override

- name: Remove legacy policy.yaml file
  file:
    path: "/etc/zun/policy.yaml"
    state: absent
  when:
    - zun_policy_overrides | length == 0
  tags:
    - zun-policy-override

- name: Synchronize the zun DB schema
  command: "{{ zun_bin }}/zun-db-manage --config-dir /etc/zun upgrade"
  become: yes
  become_user: "{{ zun_system_user_name }}"
  changed_when: false
  when:
    - zun_services['zun-api']['group'] in group_names
    - inventory_hostname == ((groups['zun_api'] | intersect(ansible_play_hosts)) | list)[0]