If you are an operations engineer, Vagrant gives you a disposable environment and consistent workflow for developing and testing infrastructure management scripts. You can quickly test things like shell scripts, Chef cookbooks, Puppet modules, and more using local virtualization such as VirtualBox or VMware. Then, with the same configuration, you can test these scripts on remote clouds such as AWS or RackSpace with the same workflow. Ditch your custom scripts to recycle EC2 instances, stop juggling SSH prompts to various machines, and start using Vagrant to bring sanity to your life.

Terraform provides a common configuration to launch infrastructure — from physical and virtual servers to email and DNS providers. Once launched, Terraform safely and efficiently changes infrastructure as the configuration is evolved.

Simple file based configuration gives you a single view of your entire infrastructure.