This page describes how to create a new VM by using Terraform.

Pre-requisites

The following pre-requisites must be satisfied.

• Have read and followed the EWC - IaaC via Terraform page.
• The Terraform CLI installed. 
• Application credentials to access the Openstack cloud project

There is a set of mandatory inputs required to create a new VM which are:

• image_name  :  the Virtual Machine image (see EWC - VM images and default users )
• flavor_name  :  the resources (CPU, RAM, Disk) configuration for the VM (see as reference ECMWF - VM plans )
• key_pair  :  configured SSH key which is needed to connect to the VM (see EWC - OpenStack Command-Line client for how to import it ) 
• security_groups : security groups are sets of applied IP filter rules which define networking access to the instance 
• network  : the network to be attached to the VM : external-internet: access to the Internet with public IP ; private-<tenant>: local private network within the tenant.