Adding simple functional testing for the role

Previously only role convergence was tested.

This patch paves the way to have functional testing support
the addition of Xenial support as well as adding more
thorough functional testing using the Tempest plugin
available in the zaqar source.

Change-Id: I593fe5e61df2daca0857548394e04aa2afa35499

tasks/install-apt.yml

@@ -39,6 +39,8 @@
   retries: 5
   delay: 2
   with_items: "{{ zaqar_apt_packages }}"
+  when:
+    - item != ''
   tags:
     - zaqar-apt-packages
 

tasks/zaqar_apache.yml

@@ -25,12 +25,15 @@
   tags:
     - zaqar-httpd
 
-- name: Add zaqar apache configuration file
+- name: Add zaqar apache configuration files
   template:
-    src: "zaqar-httpd.conf.j2"
-    dest: "/etc/apache2/sites-available/zaqar-httpd.conf"
+    src: "{{ item.src }}"
+    dest: "{{ item.dest }}"
     owner: "root"
     group: "root"
+  with_items:
+    - { src: "zaqar_apache_ports.conf.j2", dest: "/etc/apache2/ports.conf" }
+    - { src: "zaqar-httpd.conf.j2", dest: "/etc/apache2/sites-available/zaqar-httpd.conf" }
   notify:
     - Restart Apache
   tags:

templates/zaqar-httpd.conf.j2

@@ -1,7 +1,5 @@
 # {{ ansible_managed }}
 
-Listen {{ zaqar_api_bind_port }}
-
 <VirtualHost *:{{ zaqar_api_bind_port }}>
     WSGIDaemonProcess     zaqar-api user={{ zaqar_system_user_name }} group={{ zaqar_system_group_name }} processes={{ zaqar_wsgi_processes }} threads={{ zaqar_wsgi_threads }} display-name=%{GROUP}
     WSGIProcessGroup      zaqar-api

templates/zaqar_apache_ports.conf.j2

@@ -0,0 +1,3 @@
+# {{ ansible_managed }}
+
+Listen {{ zaqar_api_bind_port }}

tests/test-install-zaqar.yml

@@ -19,7 +19,7 @@
   roles:
     - role: "{{ rolename | basename }}"
       zaqar_developer_mode: true
-      zaqar_install_nginx: true
+      zaqar_install_apache: true
       zaqar_mgmt_db_connection_string: 'sqlite:////tmp/zaqar.db'
       external_lb_vip_address: 10.100.100.2
       internal_lb_vip_address: 10.100.100.2

tests/test-zaqar-functional.yml

@@ -0,0 +1,27 @@
+---
+# Copyright 2015, 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: Playbook for functional testing of zaqar
+  hosts: zaqar_all
+  user: root
+  gather_facts: false
+  tasks:
+    - name: Install testing pip packages
+      pip:
+        name: "httplib2"
+    - name: Check the zaqar-api
+      uri:
+        url: "http://localhost:8888"
+        status_code: 401

tests/test.yml

@@ -29,4 +29,7 @@
 - include: test-install-keystone.yml
 
 # Install Zaqar
-- include: test-install-zaqar.yml
+- include: test-install-zaqar.yml
+
+# Test Zaqar
+- include: test-zaqar-functional.yml

vars/debian.yml

@@ -23,6 +23,6 @@ zaqar_apt_packages:
   - python2.7-dev
   - python-dev
   - zlib1g-dev
-  - apache2
-  - nginx
-  - libapache2-mod-wsgi
+  - "{% if zaqar_install_apache %}apache2{% endif %}"
+  - "{% if zaqar_install_apache %}libapache2-mod-wsgi{% endif %}"
+  - "{% if zaqar_install_nginx %}nginx{% endif %}"