---
# Copyright 2017, 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: Install glance services
  hosts: "{{ glance_hosts }}"
  serial: "{{ glance_serial }}"
  gather_facts: "{{ osa_gather_facts | default(True) }}"
  user: root
  environment: "{{ deployment_environment_variables | default({}) }}"
  vars_files:
    - "../defaults/repo_packages/openstack_services.yml"
    - "../defaults/{{ install_method }}_install.yml"
  tags:
    - glance
  pre_tasks:
    # 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: glance_api-back
        haproxy_state: disabled
      when:
        - "'glance_api' in group_names"
        - "groups['glance_api'] | length > 1"

    - name: Configure container (non-nfs)
      include_tasks: "../common-tasks/os-{{ container_tech | default('lxc') }}-container-setup.yml"
      vars:
        list_of_bind_mounts: "{{ glance_container_bind_mounts }}"
      when:
        - not is_metal
        - glance_default_store == "file"
        - (glance_nfs_client is not defined) or (glance_nfs_client | length == 0)

    - name: Configure container (nfs)
      include_tasks: "../common-tasks/os-{{ container_tech | default('lxc') }}-container-setup.yml"
      when:
        - not is_metal
        - (glance_default_store != "file") or (glance_nfs_client is defined)

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

  roles:
    - role: "os_glance"
    - role: "system_crontab_coordination"
      tags:
        - crontab

  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: glance_api-back
        haproxy_state: enabled
      when:
        - "'glance_api' in group_names"
        - "groups['glance_api'] | length > 1"