Terraform and OpenStack

Terraform: Use Infrastructure as Code to provision and manage any cloud, infrastructure, or service

OpenStack: cloud operating system open source for creating public and private instances.

Requirements

• An OpenStack user
• OpenStack environment variables
• SSH key: generate your key pair
• Terraform executable
1. wget https://releases.hashicorp.com/terraform/0.12.9/terraform_0.12.9_linux_amd64.zip
2. unzip terraform_0.12.9_linux_amd64.zip
3. sudo mv terraform /usr/local/bin/terraform
4. terraform -v
• OpenStack executables
1. sudo apt install python-openstackclient

Virtual Environment

1. python3 -m venv venv
2. source venv/bin/activate

Create an Terraform environment

1. terraform env new test_terrafor

Run file with OpenStack environment variables

1. .terraform-openrc.sh

complete this file with information about openstack (you can obtain this in your private account at openstack)

Create an instance

1. pip install python-novaclient
2. pip install python-glanceclient
3. To find all flavor names, or instances types: nova flavor-list
4. To find all image name: glance image-list
5. Create file simple_instance.tf

Run

1. terraform apply

Run in a new session

1. .terraform-openrc.sh
2. nova flavor-list