Add CentOS support for os_horizon role

Change-Id: I1cd6d4b8f4626331a47575be330f4a4fc4ba593f

handlers/main.yml

@@ -15,5 +15,5 @@
 
 - name: Restart apache2
   service:
-    name: "apache2"
+    name: "{{ horizon_system_service_name }}"
     state: "restarted"

releasenotes/notes/os_horizon-centos-support-8070b736874602ee.yaml

@@ -0,0 +1,3 @@
+---
+features:
+  - CentOS7/RHEL support has been added to the os_horizon role.

tasks/horizon_apache.yml

@@ -26,6 +26,8 @@
     - { 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
@@ -34,37 +36,57 @@
     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" }
+  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: "/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 }
+    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: "/etc/apache2/apache2.conf"
+    dest: "{{ horizon_apache_conf }}"
     line: "ServerName {{ horizon_server_name }}"
   notify: Restart apache2
 
 - name: Ensure Apache ServerTokens
   lineinfile:
-    dest: "/etc/apache2/conf-available/security.conf"
+    dest: "{{ horizon_apache_security_conf }}"
     regexp: '^ServerTokens'
     line: "ServerTokens {{ horizon_apache_servertokens }}"
   notify: Restart apache2
 
 - name: Ensure Apache ServerSignature
   lineinfile:
-    dest: "/etc/apache2/conf-available/security.conf"
+    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"

tasks/horizon_install.yml

@@ -20,6 +20,30 @@
   when:
     - ansible_pkg_mgr == 'apt'
 
+- name: Create horizon dir
+  file:
+    path: "{{ item.path }}"
+    state: directory
+    owner: "{{ item.owner|default(horizon_system_user_name) }}"
+    group: "{{ item.group|default(horizon_system_group_name) }}"
+    mode: "{{ item.mode|default('0755') }}"
+  with_items:
+    - { path: "/etc/pki/tls/certs", owner: "root", group: "root" }
+    - { path: "/etc/pki/tls/private", owner: "root", group: "root" }
+    - { path: "/var/log/httpd", mode: "2755" }
+  when: ansible_pkg_mgr == 'yum'
+
+- name: Create system links
+  file:
+    src: "{{ item.src }}"
+    dest: "{{ item.dest }}"
+    state: "link"
+  with_items:
+    - { src: "/etc/pki/tls/certs", dest: "/etc/ssl/certs" }
+    - { src: "/etc/pki/tls/private", dest: "/etc/ssl/private" }
+    - { src: "/var/log/httpd", dest: "/var/log/apache2" }
+  when: ansible_pkg_mgr == 'yum'
+
 - name: Install distro packages
   package:
     name: "{{ item }}"

tasks/main.yml

@@ -59,7 +59,9 @@
 
 - name: Update the ca certificates
   command: "update-ca-certificates -f"
-  when: not horizon_external_ssl|bool
+  when:
+   - not horizon_external_ssl|bool
+   - ansible_pkg_mgr == 'apt'
   tags:
     - horizon-ssl
 

vars/debian.yml

@@ -16,6 +16,8 @@
 ## APT Cache options
 cache_timeout: 600
 
+horizon_system_service_name: apache2
+
 horizon_distro_packages:
   - apache2
   - apache2-utils
@@ -27,3 +29,17 @@ horizon_distro_packages:
   - openssl
   - python-mysqldb # required by the Ansible mysql_db module
   - gettext
+
+horizon_apache_conf: "/etc/apache2/apache2.conf"
+horizon_apache_security_conf: "/etc/apache2/conf-available/security.conf"
+
+horizon_apache_site_available: "/etc/apache2/sites-available/openstack-dashboard.conf"
+horizon_apache_site_enabled: "/etc/apache2/sites-enabled/openstack-dashboard.conf"
+
+horizon_apache_configs:
+  - { src: "horizon_apache_ports.conf.j2", dest: "/etc/apache2/ports.conf", owner: "root", group: "root" }
+  - { src: "openstack_dashboard.conf.j2", dest: "{{ horizon_apache_site_available }}" }
+
+horizon_apache_default_sites:
+  - "/etc/apache2/sites-enabled/000-default.conf"
+

vars/redhat-7.yml

@@ -0,0 +1,42 @@
+---
+# 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.
+
+horizon_system_service_name: httpd
+
+horizon_distro_packages:
+  - cronie
+  - cronie-anacron
+  - gettext
+  - git
+  - httpd
+  - httpd-tools
+  - libxslt-devel
+  - mod_ssl
+  - mod_wsgi
+  - MySQL-python
+  - openssl
+  - openssl-libs
+
+horizon_apache_conf: "/etc/httpd/conf/httpd.conf"
+horizon_apache_security_conf: "{{ horizon_apache_conf }}"
+
+horizon_apache_configs:
+  - { src: "horizon_apache_ports.conf.j2", dest: "/etc/httpd/conf.d/ports.conf", owner: "root", group: "root" }
+  - { src: "openstack_dashboard.conf.j2", dest: "/etc/httpd/conf.d/openstack-dashboard.conf" }
+
+horizon_apache_default_sites:
+  - "/etc/httpd/conf.d/userdir.conf"
+  - "/etc/httpd/conf.d/welcome.conf"
+  - "/etc/httpd/conf.d/ssl.conf"