Terminating KVM instances with OpenStack

In this recipe, we are going to terminate a KVM instance provisioned with OpenStack. Terminating the instance will undefine it through libvirt, release the allocated CPU memory and disk resources back to the pool of available resource, for the compute host, and mark its IP address as available in the Neutron database.

Getting ready

For this recipe, we are going to need the following:

• A database server, a message queue, andmemcachedinstalled and configured, as described in thePreparing the host for the OpenStack deploymentrecipe.
• The Glance service with an available image. For more information on how to deploy Glance and add a new image, refer to theInstalling and configuring the OpenStack Glance image servicerecipe.
• The Keystone service we deployed in theInstalling and configuring the OpenStack Keystone identity servicerecipe.
• The Nova services we configured in theInstalling and configuring the OpenStack Nova compute servicerecipe.
• The Neutron service that...