Implement Client class

Install ceilometerclient (aodhclient does not exist yet):

* manifest
* unit tests
* acceptance tests
* example manifest

Change-Id: Ib644bd0896af71b5fd0379236c7650588fd407b2

examples/aodh.pp

@@ -13,3 +13,4 @@ class { '::aodh::auth':
   auth_password => 'a_big_secret',
 }
 class { '::aodh::evaluator': }
+class { '::aodh::client': }

manifests/client.pp

@@ -0,0 +1,22 @@
+#
+# Installs the aodh python library.
+#
+# == parameters
+#  [*ensure*]
+#    ensure state for pachage.
+#
+class aodh::client (
+  $ensure = 'present'
+) {
+
+  include ::aodh::params
+
+  # there is no aodhclient yet
+  package { 'python-ceilometerclient':
+    ensure => $ensure,
+    name   => $::aodh::params::client_package_name,
+    tag    => 'openstack',
+  }
+
+}
+

manifests/params.pp

@@ -2,6 +2,8 @@
 #
 class aodh::params {
 
+  $client_package_name = 'python-ceilometerclient'
+
   case $::osfamily {
     'RedHat': {
       $common_package_name     = 'openstack-aodh-common'

spec/acceptance/aodh_wsgi_apache_spec.rb

@@ -123,6 +123,7 @@ describe 'basic aodh' do
         auth_url      => 'http://127.0.0.1:5000/v2.0',
         auth_password => 'a_big_secret',
       }
+      class { '::aodh::client': }
       case $::osfamily {
         'Debian': {
           warning('aodh-evaluator cannot be run on ubuntu system, package is broken. See LP#1508463')

spec/classes/aodh_client_spec.rb

@@ -0,0 +1,33 @@
+require 'spec_helper'
+
+describe 'aodh::client' do
+
+  shared_examples_for 'aodh client' do
+
+    it { is_expected.to contain_class('aodh::params') }
+
+    it 'installs aodh client package' do
+      is_expected.to contain_package('python-ceilometerclient').with(
+        :ensure => 'present',
+        :name   => 'python-ceilometerclient',
+        :tag    => 'openstack',
+      )
+    end
+  end
+
+  context 'on Debian platforms' do
+    let :facts do
+      { :osfamily => 'Debian' }
+    end
+
+    it_configures 'aodh client'
+  end
+
+  context 'on RedHat platforms' do
+    let :facts do
+      { :osfamily => 'RedHat' }
+    end
+
+    it_configures 'aodh client'
+  end
+end