ec2-api/doc/source/install/credentials-creation.rst

1. Source the admin credentials to gain access to admin-only CLI commands:
2. To create the service credentials, complete these steps:

   • Create the ec2api user:

     $ openstack user create --domain default --password-prompt ec2api

   • Add the admin role to the ec2api user:

     $ openstack role add --project service --user ec2api admin

   • Create the ec2api service entities:

     $ openstack service create --name ec2-api --description "ec2api" ec2api