[aws|rds] Basic support for restoring servers.

Adds RDS#restore_db_instance_from_db_snapshot and
RDS#restore_db_instance_to_point_in_time

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

@@ -0,0 +1,34 @@
+module Fog
+  module Parsers
+    module AWS
+      module RDS
+
+        require 'fog/aws/parsers/rds/db_parser'
+
+        class RestoreDBInstanceFromDBSnapshot < Fog::Parsers::AWS::RDS::DbParser
+
+          def reset
+            @response = { 'RestoreDBInstanceFromDBSnapshot' => {}, 'ResponseMetadata' => {} }
+            super
+          end
+
+          def start_element(name, attrs = [])
+            super
+          end
+
+          def end_element(name)
+            case name
+            when 'DBInstance'
+              @response['RestoreDBInstanceFromDBSnapshot']['DBInstance'] = @db_instance
+              @db_instance = fresh_instance
+            when 'RequestId'
+              @response['ResponseMetadata'][name] = @value
+            else
+              super
+            end
+          end
+        end
+      end
+    end
+  end
+end

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

@@ -0,0 +1,35 @@
+module Fog
+  module Parsers
+    module AWS
+      module RDS
+
+        require 'fog/aws/parsers/rds/db_parser'
+
+        class RestoreDBInstanceToPointInTime < Fog::Parsers::AWS::RDS::DbParser
+
+          def reset
+            @response = { 'RestoreDBInstanceToPointInTime' => {}, 'ResponseMetadata' => {} }
+            super
+          end
+
+          def start_element(name, attrs = [])
+            super
+          end
+
+          def end_element(name)
+            case name
+            when 'DBInstance'
+              @response['RestoreDBInstanceToPointInTime']['DBInstance'] = @db_instance
+              @db_instance = fresh_instance
+            when 'RequestId'
+              @response['ResponseMetadata'][name] = @value
+            else
+              super
+            end
+          end
+        end
+      end
+    end
+  end
+end
+

lib/fog/aws/rds.rb

@@ -4,7 +4,7 @@ module Fog
 
       class NotFound < Fog::Errors::Error; end
       class IdentifierTaken < Fog::Errors::Error; end
-      
+
       requires :aws_access_key_id, :aws_secret_access_key
       recognizes :region, :host, :path, :port, :scheme, :persistent
 
@@ -16,7 +16,7 @@ module Fog
       request :delete_db_instance
       request :reboot_db_instance
       request :create_db_instance_read_replica
-      
+
       request :describe_db_snapshots
       request :create_db_snapshot
       request :delete_db_snapshot
@@ -34,7 +34,10 @@ module Fog
       request :revoke_db_security_group_ingress
 
       request :describe_db_parameters
-      
+
+      request :restore_db_instance_from_db_snapshot
+      request :restore_db_instance_to_point_in_time
+
       model_path 'fog/aws/rds/models'
       model       :server
       collection  :servers

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

@@ -0,0 +1,34 @@
+module Fog
+  module AWS
+    class RDS
+      class Real
+
+        require 'fog/aws/parsers/rds/restore_db_instance_from_db_snapshot'
+
+        # Restores a DB Instance from a DB Snapshot
+        # http://docs.amazonwebservices.com/AmazonRDS/latest/APIReference/index.html?API_RestoreDBInstanceFromDBSnapshot.html
+        # ==== Returns
+        # * response<~Excon::Response>:
+        #   * body<~Hash>:
+        def restore_db_instance_from_db_snapshot(snapshot_id, db_name, opts={})
+          request({
+            'Action'  => 'RestoreDBInstanceFromDBSnapshot',
+            'DBSnapshotIdentifier' => snapshot_id,
+            'DBInstanceIdentifier' => db_name,
+            :parser   => Fog::Parsers::AWS::RDS::RestoreDBInstanceFromDBSnapshot.new,
+          }.merge(opts))
+        end
+
+      end
+
+      class Mock
+
+        def restore_db_instance_from_db_snapshot(snapshot_id, db_id, options={})
+          Fog::Mock.not_implemented
+        end
+
+      end
+    end
+  end
+end
+

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

@@ -0,0 +1,35 @@
+module Fog
+  module AWS
+    class RDS
+      class Real
+
+        require 'fog/aws/parsers/rds/restore_db_instance_to_point_in_time'
+
+        # Restores a DB Instance to a point in time
+        # http://docs.amazonwebservices.com/AmazonRDS/latest/APIReference/index.html?API_RestoreDBInstanceToPointInTime.html
+        # ==== Returns
+        # * response<~Excon::Response>:
+        #   * body<~Hash>:
+        def restore_db_instance_to_point_in_time(source_db_name, target_db_name, opts={})
+          request({
+            'Action'  => 'RestoreDBInstanceToPointInTime',
+            'SourceDBInstanceIdentifier' => source_db_name,
+            'TargetDBInstanceIdentifier' => target_db_name,
+            :parser   => Fog::Parsers::AWS::RDS::RestoreDBInstanceToPointInTime.new,
+          }.merge(opts))
+        end
+
+      end
+
+      class Mock
+
+        def restore_db_instance_to_point_in_time(source_db_name, target_db_name, opts={})
+          Fog::Mock.not_implemented
+        end
+
+      end
+    end
+  end
+end
+
+