This chapter covers 15% of the Certified OpenStack Administrator exam requirements.
Architecture and Components of Nova
OpenStack Compute (Nova) service is the heart of the OpenStack cloud. Its main goal is to manage basic virtual machines functions like creating, starting, stopping, and so on. Let’s look at the architecture and general parts of Nova. As with other services, Nova uses a message broker and database. As usual, by default the database is MariaDB and the message broker is RabbitMQ. The main services that support Nova are:
nova-api: This service receives REST API ...