RCL definition to create a VPC Route where a NAT Gateway is the next hop

create_vpc_route_via_nat_gateway.rb

define create_nat_route($route_table_id, $nat_gateway_id, $region) return $response do
  $response = http_request(
    host: "ec2."+$region+".amazonaws.com/?Action=CreateRoute&DestinationCidrBlock=0.0.0.0/0&RouteTableId="+$route_table_id+"&NatGatewayId="+$nat_gateway_id+"&Version=2016-11-15",
    https: true,
    verb: "post",
    signature: {"type": "aws"}
    )
end

# Example:
#   provision(@route_table) #rs_cm.route_table
#   provision(@nat_gateway) #rs_aws_vpc.nat_gateway
#   call create_nat_route(@route_table.resource_uid, @nat_gateway.natGatewayId, "us-west-1") retrieve $nat_route_response