AWS Lambda function to request AWS IP ranges from https://ip-ranges.amazonaws.com for the REGION and update security groups from the SECURITY_GROUP with IP range of the SECURITY_GROUP_LIMIT length.

Environment:

Name	Default	Description	Example
REGION	us-east-1	AWS region to operate in
SECURITY_GROUP	none	Coma-separated list of target security groups	SECURITY_GROUP='sg-3g2ghd78,sg-mn2948s8,sg-123456b7'
SECURITY_GROUP_LIMIT	40	Maximum amount of IP rules to be placed into an each security group from the list
DEBUG	none	Print debug message to STDERR

For upload instruction read https://github.com/kleaver/rumbda/blob/master/README.md