I had deleted the admin project because of which non of the openstack command works. I am able to restore the problem by rolling back the controller DB backup. The DB backup requires various steps and it takes time.
In some of the posts it is mention to use admin_token in keystone.conf and export the necessary environment to enable openstack command and create the project/tenant.
Instead I wanted to insert the the project and user related information directly to the DB to fix the issue in keystone databases. But not sure the list of required tables I need to work on?