OpenStack - assign user to project

openstack role add --user myusername --project myproject member

Roles:

openstack role list

+----------------------------------+------------------+
| ID                               | Name             |
+----------------------------------+------------------+
| xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx | service          |
| xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx | admin            |
| xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx | manager          |
| xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx | member           |
| xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx | heat_stack_owner |
| xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx | reader           |
| xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx | heat_stack_user  |
+----------------------------------+------------------+