Install python3-openstackclient in Fedora or RedHat > 7

Fedora repo [1] has python3 packages, start consuming those.

[1] http://trunk.rdoproject.org/fedora/current/

Change-Id: I8e2ec45e38275fb0910f5921662cb7cf865edd0a

manifests/params.pp

@@ -5,8 +5,11 @@
 #
 class openstacklib::params {
 
-  $openstackclient_package_name = $::os_package_type ? {
+  if ($::os_package_type == 'debian') or ($::os['name'] == 'Fedora') or
-    'debian' => 'python3-openstackclient',
+     ($::os['family'] == 'RedHat' and Integer.new($::os['release']['major']) > 7) {
-    default  => 'python-openstackclient',
+    $pyvers = '3'
+  } else {
+    $pyvers = ''
   }
+  $openstackclient_package_name = "python${pyvers}-openstackclient"
 }

spec/classes/openstacklib_openstackclient_spec.rb

@@ -35,7 +35,8 @@ describe 'openstacklib::openstackclient' do
       end
 
       let(:platform_params) do
-        if facts[:os_package_type] == 'debian' then
+        if facts[:os_package_type] == 'debian' or (facts[:os_package_type] == 'rpm' \
+            and facts[:operatingsystemrelease].to_i > 7) then
           openstackclient_package_name = 'python3-openstackclient'
         else
           openstackclient_package_name = 'python-openstackclient'