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How Fuel Works
Fuel works on a simple premise. Rather than installing each of the components that make up OpenStack directly, you instead use a configuration management system like Puppet to create scripts that can provide a configurable, reproducible, sharable installation process.
In practice, Fuel works as follows:
- First, set up Fuel Master Node using the ISO. This process only needs to be completed once per installation.
- Next, discover your virtual or physical nodes and configure your OpenStack cluster using the Fuel UI.
- Finally, deploy your OpenStack cluster on discovered nodes. Fuel will perform all deployment magic for you by applying pre-configured and pre-integrated Puppet manifests via Astute orchestration engine.
Fuel is designed to enable you to maintain your cluster while giving you the flexibility to adapt it to your own configuration.
Fuel comes with several pre-defined deployment configurations, some of them include additional configuration options that allow you to adapt OpenStack deployment to your environment.
Fuel UI integrates all of the deployments scripts into a unified, Web-based Graphical User Interface that walks administrators through the process of installing and configuring a fully functional OpenStack environment.