---
# Copyright 2019, VEXXHOST, 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: Gather zun facts
  hosts: zun
  gather_facts: "{{ osa_gather_facts | default(True) }}"
  tags:
    - always

- name: Install the zun components
  hosts: zun_all
  gather_facts: false
  serial: "{{ zun_serial | default(['1','100%']) }}"
  user: root
  vars_files:
    - "defaults/repo_packages/openstack_services.yml"
    - "defaults/{{ install_method }}_install.yml"
  pre_tasks:
    - name: Gather additional facts
      include_tasks: "common-tasks/gather-hardware-facts.yml"
      tags:
        - always

    # In order to ensure that any container, software or
    # config file changes which causes a container/service
    # restart do not cause an unexpected outage, we drain
    # the load balancer back end for this container.
    - include_tasks: common-tasks/haproxy-endpoint-manage.yml
      vars:
        haproxy_backend: zun_api-back
        haproxy_state: disabled
      when:
        - "'zun_api' in group_names"
        - "groups['zun_api'] | length > 1"

    - include_tasks: "common-tasks/os-{{ container_tech | default('lxc') }}-container-setup.yml"
      when: not is_metal

    - include_tasks: common-tasks/unbound-clients.yml
      when:
        - hostvars['localhost']['resolvconf_enabled'] | bool

  roles:
    - role: "os_zun"

  post_tasks:
    # Now that container changes are done, we can set
    # the load balancer back end for this container
    # to available again.
    - include_tasks: common-tasks/haproxy-endpoint-manage.yml
      vars:
        haproxy_backend: zun_api-back
        haproxy_state: enabled
      when:
        - "'zun_api' in group_names"
        - "groups['zun_api'] | length > 1"

  environment: "{{ deployment_environment_variables | default({}) }}"
  tags:
    - zun