++ openstack domain create --or-show --enable -f value -c id '--description=Service Domain for RegionOne/magnum' magnum
+ SERVICE_OS_DOMAIN_ID=1611263095f44f7f865b708da1d6807e
+ openstack domain show 1611263095f44f7f865b708da1d6807e
+-------------+-------------------------------------+
| Field       | Value                               |
+-------------+-------------------------------------+
| id          | 1611263095f44f7f865b708da1d6807e    |
| name        | magnum                              |
| enabled     | True                                |
| description | Service Domain for RegionOne/magnum |
| options     | {}                                  |
+-------------+-------------------------------------+
++ openstack user create --or-show --enable -f value -c id --domain=1611263095f44f7f865b708da1d6807e --description 'Service User for RegionOne/magnum' --password=kdcQYKBs1JPEyBtn99zggRenb24HOEB4 magnum-domain-RegionOne
+ SERVICE_OS_USERID=e00e70f6815649cbb538ce2759122636
+ openstack user set --password=kdcQYKBs1JPEyBtn99zggRenb24HOEB4 e00e70f6815649cbb538ce2759122636
+ openstack user show e00e70f6815649cbb538ce2759122636
+---------------------+-----------------------------------+
| Field               | Value                             |
+---------------------+-----------------------------------+
| default_project_id  | None                              |
| domain_id           | 1611263095f44f7f865b708da1d6807e  |
| email               | None                              |
| enabled             | True                              |
| id                  | e00e70f6815649cbb538ce2759122636  |
| name                | magnum-domain-RegionOne           |
| description         | Service User for RegionOne/magnum |
| password_expires_at | None                              |
| options             | {}                                |
+---------------------+-----------------------------------+
++ openstack role show -f value -c id admin
+ SERVICE_OS_ROLE_ID=b99995b334fa46b7b53a36bad0eb9080
+ openstack role add --domain=1611263095f44f7f865b708da1d6807e --user=e00e70f6815649cbb538ce2759122636 --user-domain=1611263095f44f7f865b708da1d6807e b99995b334fa46b7b53a36bad0eb9080
+ openstack role assignment list --role=b99995b334fa46b7b53a36bad0eb9080 --user-domain=1611263095f44f7f865b708da1d6807e --user=e00e70f6815649cbb538ce2759122636
+----------------------------------+----------------------------------+-------+---------+----------------------------------+--------+-----------+
| Role                             | User                             | Group | Project | Domain                           | System | Inherited |
+----------------------------------+----------------------------------+-------+---------+----------------------------------+--------+-----------+
| b99995b334fa46b7b53a36bad0eb9080 | e00e70f6815649cbb538ce2759122636 |       |         | 1611263095f44f7f865b708da1d6807e |        | False     |
+----------------------------------+----------------------------------+-------+---------+----------------------------------+--------+-----------+