Examples:
require "right_aws_api"
rds = RightScale::CloudApi::AWS::RDS::Manager::new(key, secret, 'https://rds.amazonaws.com')
rds.DescribeDBEngineVersions {"DescribeDBEngineVersionsResponse"=>
{"@xmlns"=>"http://rds.amazonaws.com/doc/2011-04-01/",
"DescribeDBEngineVersionsResult"=>
{"DBEngineVersions"=>
{"DBEngineVersion"=>
[{"DBParameterGroupFamily"=>"mysql5.1",
"Engine"=>"mysql",
"DBEngineDescription"=>"MySQL Community Edition",
"EngineVersion"=>"5.1.45",
"DBEngineVersionDescription"=>"MySQL 5.1.45"},
...
{"DBParameterGroupFamily"=>"sqlserver-web-11.0",
"Engine"=>"sqlserver-web",
"DBEngineDescription"=>"Microsoft SQL Server Web Edition",
"EngineVersion"=>"11.00.2100.60.v1",
"DBEngineVersionDescription"=>"SQL Server 2012 11.00.2100.60.v1"}]}},
"ResponseMetadata"=>{"RequestId"=>"2cea9327-4f73-11e2-b200-6b97351ff318"}}}
rds.CreateDBInstance( 'DBInstanceIdentifier' => 'SimCoProd01',
'Engine' => 'mysql',
'MasterUserPassword' => 'Password01',
'AllocatedStorage' => 10,
'MasterUsername' => 'master',
'DBInstanceClass' => 'db.m1.large',
'DBSubnetGroupName' => 'dbSubnetgroup01')
rds.DeleteDBInstance('DBInstanceIdentifier' => 'SimCoProd01')