# File lib/fog/aws/requests/rds/describe_db_instances.rb, line 15 def describe_db_instances(identifier=nil, opts={}) params = {} params['DBInstanceIdentifier'] = identifier if identifier if opts[:marker] params['Marker'] = opts[:marker] end if opts[:max_records] params['MaxRecords'] = opts[:max_records] end request({ 'Action' => 'DescribeDBInstances', :parser => Fog::Parsers::AWS::RDS::DescribeDBInstances.new }.merge(params)) end