add images model for ec2

bin/fog

@@ -56,6 +56,10 @@ module AWS
         connections[:ec2].flavors
       end
 
+      def images
+        connections[:ec2].images
+      end
+
       def servers
         connections[:ec2].servers
       end

lib/fog/aws/ec2.rb

@@ -24,6 +24,8 @@ module Fog
         load "fog/aws/models/ec2/addresses.rb"
         load "fog/aws/models/ec2/flavor.rb"
         load "fog/aws/models/ec2/flavors.rb"
+        load "fog/aws/models/ec2/image.rb"
+        load "fog/aws/models/ec2/images.rb"
         load "fog/aws/models/ec2/key_pair.rb"
         load "fog/aws/models/ec2/key_pairs.rb"
         load "fog/aws/models/ec2/security_group.rb"

lib/fog/aws/models/ec2/flavor.rb

@@ -9,7 +9,6 @@ module Fog
         attribute :bits
         attribute :cores
         attribute :disk
-        attribute :id
         attribute :name
         attribute :ram
 

lib/fog/aws/models/ec2/image.rb

@@ -0,0 +1,24 @@
+module Fog
+  module AWS
+    class EC2
+
+      class Image < Fog::Model
+
+        identity :id,             'imageId'
+
+        attribute :architecture
+        attribute :location,      'imageLocation'
+        attribute :owner_id,      'imageOwnerId'
+        attribute :state,         'imageState'
+        attribute :type,          'imageType'
+        attribute :is_public,     'isPublic'
+        attribute :kernel_id,     'kernelId'
+        attribute :platform
+        attribute :product_codes, 'productCodes'
+        attribute :ramdisk_id,    'ramdiskId'
+
+      end
+
+    end
+  end
+end

lib/fog/aws/models/ec2/images.rb

@@ -0,0 +1,44 @@
+module Fog
+  module AWS
+    class EC2
+
+      def images
+        Fog::AWS::EC2::Images.new(:connection => self)
+      end
+
+      class Images < Fog::Collection
+
+        attribute :image_id
+
+        model Fog::AWS::EC2::Image
+
+        def initialize(attributes)
+          @image_id ||= []
+          super
+        end
+
+        def all(image_id = @image_id)
+          @image_id = image_id
+          if @loaded
+            clear
+          end
+          @loaded = true
+          data = connection.describe_images('ImageId' => image_id).body
+          data['imagesSet'].each do |image|
+            self << new(image)
+          end
+          self
+        end
+
+        def get(image_id)
+          if image_id
+            all(image_id).first
+          end
+        rescue Excon::Errors::BadRequest
+          nil
+        end
+      end
+
+    end
+  end
+end

lib/fog/rackspace/models/servers/flavor.rb

@@ -9,7 +9,6 @@ module Fog
         attribute :bits
         attribute :cores
         attribute :disk
-        attribute :id
         attribute :name
         attribute :ram