How to get started:

1. Download terraform https://www.terraform.io/downloads.html
2. terraform init
3. download https://github.com/radekg/terraform-provisioner-ansible/releases
4. mkdir ~/.terraform.d/plugins
5. cp provisioner ^^ into ~/.terraform.d/plugins renaming to match the version ala:

cp terraform-provisioner-ansible-darwin-amd64_v2.3.3 ~/.terraform.d/plugins/terraform-provisioner-ansible_v0.12.16
chmod +x ~/.terraform.d/plugins/terraform-provisioner-ansible_v0.12.16

Then terraform yerself a https://github.com/jeffbryner/urban-octo-couscous