Add support for setting regions.

This commit adds a region parameter which can be
used to set the region used for all keystone
endpoints.

manifests/controller.pp

@@ -189,6 +189,7 @@ class openstack::controller (
     public_address        => $public_address,
     internal_address      => $internal_address,
     admin_address         => $admin_address,
+    region                => $region,
     glance_user_password  => $glance_user_password,
     nova_user_password    => $nova_user_password,
     cinder                => $cinder,

manifests/keystone.pp

@@ -54,6 +54,7 @@ class openstack::keystone (
   $admin_tenant             = 'admin',
   $verbose                  = 'False',
   $bind_host                = '0.0.0.0',
+  $region                   = 'RegionOne',
   $internal_address         = false,
   $admin_address            = false,
   $glance_public_address    = false,
@@ -177,6 +178,7 @@ class openstack::keystone (
       public_address   => $public_address,
       admin_address    => $admin_real,
       internal_address => $internal_real,
+      region           => $region,
     }
 
     # Configure Glance endpoint in Keystone
@@ -186,6 +188,7 @@ class openstack::keystone (
         public_address   => $glance_public_real,
         admin_address    => $glance_admin_real,
         internal_address => $glance_internal_real,
+        region           => $region,
       }
     }
 
@@ -196,6 +199,7 @@ class openstack::keystone (
         public_address   => $nova_public_real,
         admin_address    => $nova_admin_real,
         internal_address => $nova_internal_real,
+        region           => $region,
       }
     }
 
@@ -206,6 +210,7 @@ class openstack::keystone (
         public_address   => $cinder_public_real,
         admin_address    => $cinder_admin_real,
         internal_address => $cinder_internal_real,
+        region           => $region,
       }
     }
     if $quantum {
@@ -214,6 +219,7 @@ class openstack::keystone (
         public_address   => $quantum_public_real,
         admin_address    => $quantum_admin_real,
         internal_address => $quantum_internal_real,
+        region           => $region,
       }
     }
   }