What is it

A CloudFormation custom resource to create TransitGatewayAttachment with enabled IPv6.

Why: because current Cloud Formation TransitGatewayAttachment does not support IPv6 enabling.

Instructions

Setup

Package

S3_BUCKET=<your-s3-bucket-for-package>
make clean package

Deploy:

aws cloudformation deploy --stack-name cfn-cr-transit-gateway-attachment \
  --template-file ./template.packaged.yaml \
  --capabilities CAPABILITY_NAMED_IAM

Test

Test custom resource with a stack containing IPv6-enabled VPC, TransitGateway and TransitGatewayAttachment.

aws cloudformation deploy --stack-name test-cr-transit-gateway-attachment \
  --template-file ./test/example.yaml