In two previous posts I showed how to use Ansible to configure an EC2 instance, after it was created. Even though that might be useful at times having a completely automated process that can be invoked directly from Cloudformation when the instance is being built could be even more useful.…
It might be useful to copy files into an EC2 instance whilst it's being built. Those can be configuration files for the application, authentication keys or even the whole pre-built application stack. One way of doing that is to use CloudFormation's Metadata and copy files from…
This post shows how to set up various VPC-related resources using CloudFormation to enable IPv6 for them. Components Diagram below shows all the components described in this post. VPC IPv6 requires one additional resource - AWS::EC2::VPCCidrBlock to request an /56 block of addresses from AWS. rVPC: Type: "…