Rds snapshot improvements

lib/fog/aws/parsers/rds/modify_db_snapshot_attribute.rb

@@ -0,0 +1,24 @@
+module Fog
+  module Parsers
+    module AWS
+      module RDS
+        class ModifyDbSnapshotAttribute < Fog::Parsers::Base
+          def reset
+            @response = { 'ModifyDbSnapshotAttributeResult' => {}, 'ResponseMetadata' => {} }
+          end
+
+          def start_element(name, attrs = [])
+            super
+          end
+
+          def end_element(name)
+            case name
+            when 'RequestId'
+              @response['ResponseMetadata'][name] = value
+            end
+          end
+        end
+      end
+    end
+  end
+end

lib/fog/aws/rds.rb

@@ -29,6 +29,8 @@ class AuthorizationAlreadyExists < Fog::Errors::Error; end
       request :describe_db_snapshots
       request :create_db_snapshot
       request :delete_db_snapshot
+      request :modify_db_snapshot_attribute
+      request :copy_db_snapshot
 
       request :create_db_parameter_group
       request :delete_db_parameter_group

lib/fog/aws/requests/rds/copy_db_snapshot.rb

@@ -0,0 +1,53 @@
+module Fog
+  module AWS
+    class RDS
+      class Real
+        require 'fog/aws/parsers/rds/create_db_snapshot'
+
+        # Copy a db snapshot
+        #
+        # ==== Parameters
+        # * source_db_snapshot_identifier<~String> - Id of db snapshot
+        # * target_db_snapshot_identifier<~String> - Desired Id of the db snapshot copy
+        # * 'copy_tags'<~Boolean> - true to copy all tags from the source DB snapshot to the target DB snapshot; otherwise false.
+        #
+        # ==== Returns
+        # * response<~Excon::Response>:
+        #   * body<~Hash>:
+        #
+        # {Amazon API Reference}[http://docs.aws.amazon.com/AmazonRDS/latest/APIReference/API_CopyDBSnapshot.html]
+        def copy_db_snapshot(source_db_snapshot_identifier, target_db_snapshot_identifier, copy_tags = false)
+          request(
+            'Action'                     => 'CopyDBSnapshot',
+            'SourceDBSnapshotIdentifier' => source_db_snapshot_identifier,
+            'TargetDBSnapshotIdentifier' => target_db_snapshot_identifier,
+            'CopyTags'                   => copy_tags,
+            :parser                      => Fog::Parsers::AWS::RDS::CreateDBSnapshot.new
+          )
+        end
+      end
+
+      class Mock
+        #
+        # Usage
+        #
+        # Fog::AWS[:rds].copy_db_snapshot("snap-original-id", "snap-backup-id", true)
+        #
+
+        def copy_db_snapshot(source_db_snapshot_identifier, target_db_snapshot_identifier, copy_tags = false)
+          response = Excon::Response.new
+          response.status = 200
+          snapshot_id = Fog::AWS::Mock.snapshot_id
+          data = {
+            'snapshotId'  => snapshot_id,
+          }
+          self.data[:snapshots][snapshot_id] = data
+          response.body = {
+            'requestId' => Fog::AWS::Mock.request_id
+          }.merge!(data)
+          response
+        end
+      end
+    end
+  end
+end

lib/fog/aws/requests/rds/modify_db_snapshot_attribute.rb

@@ -0,0 +1,32 @@
+module Fog
+  module AWS
+    class RDS
+      class Real
+        require 'fog/aws/parsers/rds/modify_db_snapshot_attribute'
+
+        # Modify db snapshot attributes
+        #
+        # ==== Parameters
+        # * db_snapshot_identifier<~String> - Id of snapshot to modify
+        # * attributes<~Hash>:
+        #   * 'Add.MemberId'<~Array> - One or more account ids to grant rds create permission to
+        #   * 'Remove.MemberId'<~Array> - One or more account ids to revoke rds create permission from
+        #
+        # {Amazon API Reference}[http://docs.aws.amazon.com/AmazonRDS/latest/APIReference/API_ModifyDBSnapshotAttribute.html]
+        #
+        def modify_db_snapshot_attribute(db_snapshot_identifier, attributes)
+          params = {}
+          params.merge!(Fog::AWS.indexed_param('ValuesToAdd.member.%d', attributes['Add.MemberId'] || []))
+          params.merge!(Fog::AWS.indexed_param('ValuesToRemove.member.%d', attributes['Remove.MemberId'] || []))
+          request({
+            'Action'        => 'ModifyDBSnapshotAttribute',
+            'DBSnapshotIdentifier'    => db_snapshot_identifier,
+            :idempotent     => true,
+            'AttributeName' => "restore",
+            :parser         => Fog::Parsers::AWS::RDS::ModifyDbSnapshotAttribute.new
+          }.merge!(params))
+        end
+      end
+    end
+  end
+end