Add octavia::client class

This patch adds new class octavia::client to manage client,
note that it only supports Debian and Ubuntu, b/c there is
no available rpm package in CentOS currently.

Change-Id: I8f44676a3923702cfdaffa3a0aee3f84074321d1

manifests/client.pp

@@ -0,0 +1,26 @@
+# == Class: octavia::client
+#
+# Installs the octavia python library.
+#
+# === Parameters
+#
+# [*ensure*]
+#   (Optional) Ensure state for package.
+#
+class octavia::client (
+  $ensure = 'present'
+) {
+
+  include ::octavia::deps
+  include ::octavia::params
+
+  if $::octavia::params::client_package_name {
+    package { 'python-octaviaclient':
+      ensure => $ensure,
+      name   => $::octavia::params::client_package_name,
+      tag    => 'openstack',
+    }
+  } else {
+    fail("There is no avaiable client package in osfamily: ${::osfamily}.")
+  }
+}

manifests/params.pp

@@ -14,6 +14,7 @@ class octavia::params {
       $worker_package_name         = 'openstack-octavia-worker'
       $health_manager_package_name = 'openstack-octavia-health-manager'
       $housekeeping_package_name   = 'openstack-octavia-housekeeping'
+      $client_package_name         = undef
     }
     'Debian': {
       $common_package_name         = 'octavia-common'
@@ -21,6 +22,7 @@ class octavia::params {
       $worker_package_name         = 'octavia-worker'
       $health_manager_package_name = 'octavia-health-manager'
       $housekeeping_package_name   = 'octavia-housekeeping'
+      $client_package_name         = 'python-octaviaclient'
     }
     default: {
       fail("Unsupported osfamily: ${::osfamily} operatingsystem")

releasenotes/notes/add-octavia-client-f5421024b0a945f0.yaml

@@ -0,0 +1,3 @@
+---
+features:
+  - Add support of configuring octavia client.

spec/classes/octavia_client_spec.rb

@@ -0,0 +1,48 @@
+require 'spec_helper'
+
+describe 'octavia::client' do
+
+  let :params do
+    {}
+  end
+
+  let :default_params do
+    { :package_ensure   => 'present' }
+  end
+
+  shared_examples_for 'octavia client' do
+    let :p do
+      default_params.merge(params)
+    end
+
+    it { is_expected.to contain_class('octavia::params') }
+
+    it 'installs octavia client package' do
+      is_expected.to contain_package('python-octaviaclient').with(
+        :name   => 'python-octaviaclient',
+        :ensure => p[:package_ensure],
+        :tag    => 'openstack'
+      )
+    end
+
+  end
+
+  on_supported_os({
+    :supported_os   =>
+      [
+        { 'operatingsystem'        => 'Ubuntu',
+          'operatingsystemrelease' => [ '16.04' ] },
+        { 'operatingsystem'        => 'Debian',
+          'operatingsystemrelease' => [ '8' ] }
+      ]
+  }).each do |os,facts|
+    context "on #{os}" do
+      let (:facts) do
+        facts.merge!(OSDefaults.get_facts())
+      end
+
+      it_behaves_like 'octavia client'
+    end
+  end
+
+end