[virtual_box|compute] Updates reference to service

lib/fog/virtual_box/compute.rb

@@ -37,17 +37,17 @@ module Fog
             raise e.message
           end
 
-          @connection = ::VirtualBox::Global.global.lib.virtualbox
+          @service = ::VirtualBox::Global.global.lib.virtualbox
         end
 
         def respond_to?(method, *)
-          super or @connection.respond_to? method
+          super or @service.respond_to? method
         end
 
         # hack to provide 'requests'
         def method_missing(method_sym, *arguments, &block)
-          if @connection.respond_to?(method_sym)
-            @connection.send(method_sym, *arguments)
+          if @service.respond_to?(method_sym)
+            @service.send(method_sym, *arguments)
           else
             super
           end

lib/fog/virtual_box/models/compute/medium.rb

@@ -39,7 +39,7 @@ module Fog
         undef_method :medium_format
         def medium_format
           Fog::Compute::VirtualBox::MediumFormat.new(
-            :connection => connection,
+            :service => service,
             :raw        => raw.medium_format
           )
         end
@@ -55,7 +55,7 @@ module Fog
               :access_mode_read_write
             end
 
-            self.raw = connection.open_medium(location, device_type, access_mode)
+            self.raw = service.open_medium(location, device_type, access_mode)
 
           else
 

lib/fog/virtual_box/models/compute/mediums.rb

@@ -11,9 +11,9 @@ module Fog
 
         def all
           data = []
-          data.concat(connection.dvd_images)
-          data.concat(connection.floppy_images)
-          data.concat(connection.hard_disks)
+          data.concat(service.dvd_images)
+          data.concat(service.floppy_images)
+          data.concat(service.hard_disks)
           data = data.map do |medium|
             {:raw => medium}
           end
@@ -21,7 +21,7 @@ module Fog
         end
 
         def get(medium_identity)
-          data = connection.find_medium(medium_identity)
+          data = service.find_medium(medium_identity)
           new(:raw => data)
         end
 

lib/fog/virtual_box/models/compute/nat_engine.rb

@@ -36,7 +36,7 @@ module Fog
         undef_method :redirects
         def redirects
           Fog::Compute::VirtualBox::NATRedirects.new(
-            :connection => connection,
+            :service => service,
             :machine    => machine,
             :nat_engine => self
           )
@@ -47,7 +47,7 @@ module Fog
         def raw
           @raw
         end
-        
+
         def raw=(new_raw)
           @raw = new_raw
           raw_attributes = {}

lib/fog/virtual_box/models/compute/network_adapter.rb

@@ -41,7 +41,7 @@ module Fog
         undef_method :nat_driver
         def nat_driver
           Fog::Compute::VirtualBox::NATEngine.new(
-            :connection       => connection,
+            :service       => service,
             :machine          => machine,
             :network_adapter  => self,
             :raw              => raw.nat_driver

lib/fog/virtual_box/models/compute/network_adapters.rb

@@ -15,7 +15,7 @@ module Fog
           requires :machine
           data = []
           raw_machine = machine.instance_variable_get(:@raw)
-          connection.system_properties.network_adapter_count.times do |index|
+          service.system_properties.network_adapter_count.times do |index|
             data << {
               :raw  => raw_machine.get_network_adapter(index)
             }

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

@@ -83,7 +83,7 @@ module Fog
             wait_for { raw.session_state == :closed }
           end
           raw.unregister(:full)
-          config_file = connection.compose_machine_filename(name)
+          config_file = service.compose_machine_filename(name)
           config_directory = config_file.split(File::SEPARATOR)[0...-1].join(File::SEPARATOR)
           FileUtils.rm_rf(config_directory)
           true
@@ -91,7 +91,7 @@ module Fog
 
         def network_adapters
           Fog::Compute::VirtualBox::NetworkAdapters.new(
-            :connection => connection,
+            :service => service,
             :machine => self
           )
         end
@@ -117,8 +117,8 @@ module Fog
         def save
           unless identity
             requires :name, :os
-            self.raw = connection.create_machine(nil, name, os)
-            connection.register_machine(raw)
+            self.raw = service.create_machine(nil, name, os)
+            service.register_machine(raw)
             with_session do |session|
               for attribute in [:description, :memory_size, :rtc_use_utc, :vram_size]
                 session.machine.send(:"#{attribute}=", attributes[attribute])
@@ -161,7 +161,7 @@ module Fog
 
         def storage_controllers
           Fog::Compute::VirtualBox::StorageControllers.new(
-            :connection => connection,
+            :service => service,
             :machine    => self
           )
         end

lib/fog/virtual_box/models/compute/servers.rb

@@ -10,7 +10,7 @@ module Fog
         model Fog::Compute::VirtualBox::Server
 
         def all
-          data = connection.machines.map do |machine|
+          data = service.machines.map do |machine|
             {
               :raw => machine
             }
@@ -28,7 +28,7 @@ module Fog
         end
 
         def get(server_id)
-          machine = connection.find_machine(server_id)
+          machine = service.find_machine(server_id)
           new(:raw => machine)
         rescue ::VirtualBox::Exceptions::ObjectNotFoundException
           nil