---
# 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.

- name: Ensure apache log folder exists
  file:
    dest: "{{ horizon_apache_default_log_folder }}"
    state: directory
    owner: "{{ horizon_apache_default_log_owner }}"
    group: "{{ horizon_apache_default_log_grp }}"

# 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 }
  when:
    - ansible_pkg_mgr == 'apt'
  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: "{{ horizon_apache_configs }}"
  notify: Restart apache2

- name: Disable default apache site
  file:
    path: "{{ item }}"
    state: "absent"
  with_items: "{{ horizon_apache_default_sites }}"
  notify: Restart apache2

- name: Enable Horizon Site
  file:
    src: "{{ horizon_apache_site_available }}"
    dest: "{{ horizon_apache_site_enabled }}"
    state: "link"
  when:
    - horizon_apache_site_available is defined
    - horizon_apache_site_enabled is defined
  notify: Restart apache2

- name: Ensure Apache ServerName
  lineinfile:
    dest: "{{ horizon_apache_conf }}"
    line: "ServerName {{ horizon_server_name }}"
  notify: Restart apache2

- name: Ensure Apache ServerTokens
  lineinfile:
    dest: "{{ horizon_apache_security_conf }}"
    regexp: '^ServerTokens'
    line: "ServerTokens {{ horizon_apache_servertokens }}"
  notify: Restart apache2

- name: Ensure Apache ServerSignature
  lineinfile:
    dest: "{{ horizon_apache_security_conf }}"
    regexp: '^ServerSignature'
    line: "ServerSignature {{ horizon_apache_serversignature }}"
  notify: Restart apache2

# Removing the Listen from apache config to prevent conflick with ports.conf on CentOS
- name: remove Listen from Apache config
  lineinfile:
    dest: "{{ horizon_apache_security_conf }}"
    regexp: '^(Listen.*)'
    backrefs: yes
    line: '#\1'
  notify: Restart apache2

- name: Load service
  service:
    name: "{{ horizon_system_service_name }}"
    enabled: "yes"
    state: "started"