Ceph REST API

Ceph comes with powerful REST API interface access, which allows you to administer your cluster programmatically. It can run as a WSGI application or as a standalone server, listening on the default port 5000. It provides a similar kind of functionality to that of the Ceph command-line tool through an HTTP-accessible interface. Commands are submitted as HTTP GET and PUT requests, and the results can be returned in the JSON, XML, and text formats. In this recipe, I will quickly show you how to set up the Ceph REST API and interact with it.

How to do it...

Let's configure and use the Ceph REST API to check some cluster states:

1. Create a user, client.restapi, on the Ceph cluster with appropriate access to mon...