Define octavia client package for Red Hat family

python-octaviaclient is being packaged starting in RHOSP 13,
RDO Queens and Fedora 28.

Change-Id: Ide01e285bf89e39839f5c6319c2810bad206c114

manifests/params.pp

@@ -15,7 +15,7 @@ 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
+      $client_package_name         = 'python-octaviaclient'
     }
     'Debian': {
       $common_package_name         = 'octavia-common'

releasenotes/notes/add-octavia-client-red-hat-family-4188177cb4ebe503.yaml

@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    Defined Octavia client package name for Red Hat family.
+    python-octaviaclient is being packaged starting in RHOSP 13,
+    RDO Queens and Fedora 28.

spec/classes/octavia_client_spec.rb

@@ -28,13 +28,7 @@ describe 'octavia::client' do
   end
 
   on_supported_os({
-    :supported_os   =>
-      [
-        { 'operatingsystem'        => 'Ubuntu',
-          'operatingsystemrelease' => [ '16.04' ] },
-        { 'operatingsystem'        => 'Debian',
-          'operatingsystemrelease' => [ '8' ] }
-      ]
+    :supported_os => OSDefaults.get_supported_os
   }).each do |os,facts|
     context "on #{os}" do
       let (:facts) do