Provisioning a CentOS 7 EC2 instance with Chef using Terraform
Once the underlying infrastructure is generated by Terraform, chances are the job isn't already finished. That's the moment a configuration management tool such as Chef, Ansible, or Puppet enters the game, to provision the virtual machine. Thankfully, Chef is a first class provisioning tool in Terraform. We'll see here how to fully bootstrap a CentOS 7.2 instance on AWS with Terraform, from nothing to a fully configured node, by gracefully handing over the configuration to Chef after having it automatically deployed and registered on Hosted Chef.
If it's the first time you've launched CentOS 7 servers on AWS, you have to agree their terms and conditions at https://aws.amazon.com/marketplace/pp/B00O7WM7QW.
Getting ready
To step through this recipe, you will need the following:
A working Terraform installation
An AWS account with an SSH key configured in Terraform and a security group allowing SSH connections from outside (refer to...
