Querying Openstack Database to dig deep down

Openstack has many components and each components has many commands as well. But almost every openstack command query openstack database tables for the result. For example, if you issue ‘nova list’ command from nova-client, the client get the output from ‘nova’ database and from ‘instance’ table. The purpose of this note, is to explore openstack databases to be more familiar with openstack and demystify it.

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