---
# 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.

# Workaround for https://github.com/ansible/ansible-modules-core/issues/5328
# TODO: Replace using apache2_module when fixed in Ansible release
- name: Enable apache2 modules
  command: "{{ (item.state == 'present') | ternary('a2enmod','a2dismod') }} {{ item.name }}"
  register: horizon_apache2_module
  changed_when: horizon_apache2_module.stdout.find('{{ item.name }} already') == -1
  with_items:
    - { state: present, name: wsgi }
    - { state: present, name: ssl }
    - { state: absent, name: mpm_event }
    - { state: present, name: mpm_worker }
    - { state: present, name: rewrite }
    - { state: present, name: headers }
  notify: Restart apache2

- name: Drop apache2 configs
  template:
    src: "{{ item.src }}"
    dest: "{{ item.dest }}"
    owner: "{{ item.owner|default(horizon_system_user_name) }}"
    group: "{{ item.group|default(horizon_system_group_name) }}"
  with_items:
    - { src: "horizon_apache_ports.conf.j2", dest: "/etc/apache2/ports.conf", owner: "root", group: "root" }
    - { src: "openstack_dashboard.conf.j2", dest: "/etc/apache2/sites-available/openstack-dashboard.conf" }
  notify: Restart apache2

- name: Enable Horizon Site
  file:
    src: "/etc/apache2/sites-available/{{ item.name }}"
    dest: "/etc/apache2/sites-enabled/{{ item.name }}"
    state: "{{ item.state }}"
  with_items:
    - { state: link, name: openstack-dashboard.conf }
    - { state: absent, name: 000-default.conf }
  notify: Restart apache2

- name: Ensure Apache ServerName
  lineinfile:
    dest: "/etc/apache2/apache2.conf"
    line: "ServerName {{ horizon_server_name }}"
  notify: Restart apache2

- name: Ensure Apache ServerTokens
  lineinfile:
    dest: "/etc/apache2/conf-available/security.conf"
    regexp: '^ServerTokens'
    line: "ServerTokens {{ horizon_apache_servertokens }}"
  notify: Restart apache2

- name: Ensure Apache ServerSignature
  lineinfile:
    dest: "/etc/apache2/conf-available/security.conf"
    regexp: '^ServerSignature'
    line: "ServerSignature {{ horizon_apache_serversignature }}"
  notify: Restart apache2