Heat and DevStack
DevStack provides a set of scripts for automated installation of OpenStack on Ubuntu as well as Fedora Linux. It is a tool to help OpenStack developers to quickly set up an OpenStack environment using scripts. These scripts automatically download or clone the required packages and repositories from the OpenStack website that are necessary for setting up an OpenStack cloud.
One drawback with this approach is that the environment is not persistent across server reboots. There are scripts such as rejoin-stack
that need to be run to recreate the environment after a server has been rebooted.
Therefore, DevStack is not recommended for a production install. However, it can only be used for testing and development purpose, where an OpenStack environment is created and destroyed several times. When OpenStack is required in a purely development environment, other methods of installation can be used.
DevStack can also be configured for enabling and using Heat services. This can be...