Merge pull request fog#2657 from travis-ci/master

Allow for Blue Box blocks to be created with IPv6 addresses only

lib/fog/bluebox/models/compute/server.rb

@@ -21,6 +21,7 @@ class Server < Fog::Compute::Server
         attribute :state,       :aliases => "status"
         attribute :storage
         attribute :template
+        attribute :ipv6_only
 
         attr_accessor :hostname, :password, :lb_applications, :lb_services, :lb_backends
 
@@ -93,6 +94,7 @@ def save
 
           options['username'] = username
           options['hostname'] = hostname if @hostname
+          options['ipv6_only'] = ipv6_only if ipv6_only
           data = service.create_block(flavor_id, image_id, location_id, options)
           merge_attributes(data.body)
           true

lib/fog/bluebox/requests/compute/create_block.rb

@@ -30,6 +30,8 @@ def create_block(product_id, template_id, location_id, options = {})
             'location' => location_id
           }
 
+          query['ipv6_only'] = options.delete('ipv6_only') if options['ipv6_only']
+
           request(
             :expects  => 200,
             :method   => 'POST',