---
# 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: Record the installation method
  ini_file:
    dest: "/etc/ansible/facts.d/openstack_ansible.fact"
    section: "mistral"
    option: "install_method"
    value: "{{ mistral_install_method }}"

- name: Refresh local facts to ensure the mistral section is present
  setup:
    filter: ansible_local
    gather_subset: "!all"

- name: create the system group
  group:
    name: "{{ mistral_system_group_name }}"
    state: "present"
    system: "yes"

- name: Create the mistral system user
  user:
    name: "{{ mistral_system_user_name }}"
    group: "{{ mistral_system_group_name }}"
    comment: "{{ mistral_system_comment }}"
    shell: "{{ mistral_system_shell }}"
    system: "yes"
    createhome: "yes"
    home: "{{ mistral_system_user_home }}"

- name: Create mistral directories
  file:
    path: "{{ item.path | realpath }}"
    state: directory
    owner: "{{ item.owner | default(mistral_system_user_name) }}"
    group: "{{ item.group | default(mistral_system_group_name) }}"
    mode: "{{ item.mode | default(omit) }}"
  with_items:
    - path: "/openstack"
      mode: "0755"
      owner: "root"
      group: "root"
    - path: "/etc/mistral"
      mode: "0750"
    - path: "{{ mistral_system_user_home }}"
    - path: "/var/log/mistral"
      mode: "0755"

- name: Install distro packages
  package:
    name: "{{ mistral_package_list }}"
    state: "{{ mistral_package_state }}"
    update_cache: "{{ (ansible_pkg_mgr in ['apt', 'zypper']) | ternary('yes', omit) }}"
    cache_valid_time: "{{ (ansible_pkg_mgr == 'apt') | ternary(cache_timeout, omit) }}"
  register: install_packages
  until: install_packages is success
  retries: 5
  delay: 2

- name: Install the python venv
  import_role:
    name: "python_venv_build"
  vars:
    venv_build_constraints: "{{ mistral_git_constraints }}"
    venv_build_distro_package_list: "{{ mistral_devel_distro_packages }}"
    venv_install_destination_path: "{{ mistral_bin | dirname }}"
    venv_pip_install_args: "{{ mistral_pip_install_args }}"
    venv_pip_packages: >-
      {{ mistral_pip_packages |
           union(mistral_user_pip_packages) |
             union(((mistral_oslomsg_amqp1_enabled | bool) | ternary(mistral_optional_oslomsg_amqp1_pip_packages, []))) }}
    venv_facts_when_changed:
      - section: "mistral"
        option: "venv_tag"
        value: "{{ mistral_venv_tag }}"
  when: mistral_install_method == 'source'

- name: Record the need for a service restart
  ini_file:
    dest: "/etc/ansible/facts.d/openstack_ansible.fact"
    section: "mistral"
    option: "need_service_restart"
    value: true
  when: (install_packages is changed) or
        ('need_service_restart' not in ansible_local['openstack_ansible']['mistral'])

- name: Ensure uWSGI directory exists
  file:
    path: "/etc/uwsgi/"
    state: directory
    mode: "0711"

- name: Apply uWSGI configuration
  config_template:
    src: "mistral-uwsgi.ini.j2"
    dest: "/etc/uwsgi/{{ item.service_name }}.ini"
    mode: "0744"
    config_overrides: "{{ item.wsgi_overrides }}"
    config_type: ini
  with_items: "{{ filtered_mistral_services }}"
  when: item.wsgi_app | default(False)
  notify:
    - Manage LB
    - Restart mistral services