---
# 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: Create apache nogroup group
  group:
    name: "nogroup"
    system: "yes"

- name: Create apache nogroup user
  user:
    name: "nogroup"
    group: "nogroup"
    system: "yes"
    shell: "/bin/false"

- name: Ensure apache log folder exists
  file:
    dest: "{{ keystone_apache_default_log_folder }}"
    state: directory
    owner: "{{ keystone_apache_default_log_owner }}"
    group: "{{ keystone_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
## NOTE(cloudnull):
## Module enable/disable process is only functional on Debian based systems.
- name: Enable/disable 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
    - horizon_apache2_module.stderr.find('{{ item.name }} does not exist') == -1
  failed_when: false
  with_items:
    - "{{ { 'name': 'ssl', 'state': (keystone_ssl | bool) | ternary('present', 'absent') } }}"
    - "{{ { 'name': 'shib2', 'state': ( keystone_sp != {} ) | ternary('present', 'absent') } }}"
    - "{{ { 'name': 'proxy_http', 'state': (keystone_mod_wsgi_enabled | bool) | ternary('absent', 'present') } }}"
  when:
    - ansible_pkg_mgr == 'apt'
  notify:
    - Restart service on first node
    - Restart service on other nodes

## NOTE(andymccr):
## We need to enable a module for httpd on RedHat/CentOS using LoadModule inside conf files
- name: Enable/disable proxy_uwsgi_module
  lineinfile:
    dest: '/etc/httpd/conf.modules.d/00-proxy.conf'
    line: 'LoadModule proxy_uwsgi_module modules/mod_proxy_uwsgi.so'
    state: "{{ (keystone_mod_wsgi_enabled | bool) | ternary('absent', 'present') }}"
  when:
   - ansible_pkg_mgr == 'yum'
  notify:
    - Restart service on first node
    - Restart service on other nodes

- name: Drop apache2 config files
  template:
    src: "{{ item.src }}"
    dest: "{{ item.dest }}"
    owner: "root"
    group: "root"
  with_items: "{{ keystone_apache_configs }}"
  notify:
    - Restart service on first node
    - Restart service on other nodes

- name: Disable default apache site
  file:
    path: "{{ item }}"
    state: "absent"
  with_items: "{{ keystone_apache_default_sites }}"
  notify:
    - Restart service on first node
    - Restart service on other nodes

- name: Enabled keystone vhost
  file:
    src: "{{ keystone_apache_site_available }}"
    dest: "{{ keystone_apache_site_enabled }}"
    state: "link"
  when:
    - keystone_apache_site_available is defined
    - keystone_apache_site_enabled is defined
  notify:
    - Restart service on first node
    - Restart service on other nodes

- name: Ensure Apache ServerName
  lineinfile:
    dest: "{{ keystone_apache_conf }}"
    line: "ServerName {{ ansible_hostname }}"
  notify:
    - Restart service on first node
    - Restart service on other nodes

- name: Ensure Apache ServerTokens
  lineinfile:
    dest: "{{ keystone_apache_security_conf }}"
    regexp: '^ServerTokens'
    line: "ServerTokens {{ keystone_apache_servertokens }}"
  notify:
    - Restart service on first node
    - Restart service on other nodes

- name: Ensure Apache ServerSignature
  lineinfile:
    dest: "{{ keystone_apache_security_conf }}"
    regexp: '^ServerSignature'
    line: "ServerSignature {{ keystone_apache_serversignature }}"
  notify:
    - Restart service on first node
    - Restart service on other nodes

- name: remove Listen from Apache config
  lineinfile:
    dest: "{{ keystone_apache_conf }}"
    regexp: '^(Listen.*)'
    backrefs: yes
    line: '#\1'
  notify:
    - Restart service on first node
    - Restart service on other nodes

## NOTE(mgariepy):
## We need to enable httpd on CentOS if not it won't start when the container is restarted.
- name: Load service
  service:
    name: "{{ keystone_system_service_name }}"
    enabled: "yes"
  notify:
    - Restart service on first node
    - Restart service on other nodes