[aws|iam] added update group requests and parsers

lib/fog/aws/iam.rb

@@ -29,6 +29,7 @@ module Fog
       request :put_user_policy
       request :remove_user_from_group
       request :update_access_key
+      request :update_group
       request :update_user
       request :upload_signing_certificate
 

lib/fog/aws/parsers/iam/update_group.rb

@@ -0,0 +1,27 @@
+module Fog
+  module Parsers
+    module AWS
+      module IAM
+
+        class UpdateGroup < Fog::Parsers::Base
+        # http://docs.amazonwebservices.com/IAM/latest/APIReference/index.html?API_UpdateGroup.html
+        
+          def reset
+            @response = { 'Group' => {} }
+          end
+
+          def end_element(name)
+            case name
+            when 'Arn', 'GroupId', 'GroupName', 'Path'
+              @response['Group'][name] = @value
+            when 'RequestId'
+              @response[name] = @value
+            end
+          end
+
+        end
+
+      end
+    end
+  end
+end

lib/fog/aws/requests/iam/update_group.rb

@@ -0,0 +1,39 @@
+module Fog
+  module AWS
+    class IAM
+      class Real
+
+        require 'fog/aws/parsers/iam/update_group'
+
+        # Update a Group
+        # 
+        # ==== Parameters
+        # * group_name<~String> - Required. Name of the Group to update. If you're changing the name of the Group, this is the original Group name.
+        # * options<~Hash>:
+        #   * new_path<~String> - New path for the Group. Include this parameter only if you're changing the Group's path.
+        #   * new_group_name<~String> - New name for the Group. Include this parameter only if you're changing the Group's name.
+        # ==== Returns
+        # * response<~Excon::Response>:
+        #   * body<~Hash>:
+        #     * 'RequestId'<~String> - Id of the request
+        #     * 'Group'<~Hash> - Changed Group info
+        #       * 'Arn'<~String> -
+        #       * 'Path'<~String> -
+        #       * 'GroupId'<~String> -
+        #       * 'GroupName'<~String> -
+        #
+        # ==== See Also
+        # http://docs.amazonwebservices.com/IAM/latest/APIReference/index.html?API_UpdateGroup.html
+        #
+        def update_group(group_name, options = {})
+          request({
+            'Action'      => 'UpdateGroup',
+            'GroupName'    => group_name,
+            :parser       => Fog::Parsers::AWS::IAM::UpdateGroup.new
+          }.merge!(options))
+        end
+
+      end
+    end
+  end
+end