Comment 8 for bug 1802587

I get the same error.

vagrant@ass:~: $ glance image-create --name xenial --visibility public --disk-format qcow2 --container-format bare --file xenial-server-cloudimg-amd64-disk1.img
+------------------+--------------------------------------+
| Property | Value |
+------------------+--------------------------------------+
| checksum | None |
| container_format | bare |
| created_at | 2019-07-30T21:22:46Z |
| disk_format | qcow2 |
| id | c90e04bf-b670-44f6-975a-2f7609c08887 |
| min_disk | 0 |
| min_ram | 0 |
| name | xenial |
| os_hash_algo | None |
| os_hash_value | None |
| os_hidden | False |
| owner | 38e0f566b6bf445e89a8404c0466fc90 |
| protected | False |
| size | None |
| status | queued |
| tags | [] |
| updated_at | 2019-07-30T21:22:46Z |
| virtual_size | Not available |
| visibility | public |
+------------------+--------------------------------------+
HTTP 500 Internal Server Error: The server has either erred or is incapable of performing the requested operation.

Jul 30 23:22:51 ass <email address hidden>[6863]: ERROR glance.common.wsgi File "/opt/stack/glance/glance/location.py", line 86, in save
Jul 30 23:22:51 ass <email address hidden>[6863]: ERROR glance.common.wsgi self._set_acls(image)
Jul 30 23:22:51 ass <email address hidden>[6863]: ERROR glance.common.wsgi File "/opt/stack/glance/glance/location.py", line 72, in _set_acls
Jul 30 23:22:51 ass <email address hidden>[6863]: ERROR glance.common.wsgi context=self.context
Jul 30 23:22:51 ass <email address hidden>[6863]: ERROR glance.common.wsgi File "/usr/lib/python3.6/site-packages/glance_store/multi_backend.py", line 496, in set_a>
Jul 30 23:22:51 ass <email address hidden>[6863]: ERROR glance.common.wsgi location_uri, backend, conf=CONF)
Jul 30 23:22:51 ass <email address hidden>[6863]: ERROR glance.common.wsgi File "/usr/lib/python3.6/site-packages/glance_store/location.py", line 109, in get_locati>
Jul 30 23:22:51 ass <email address hidden>[6863]: ERROR glance.common.wsgi raise exceptions.UnknownScheme(scheme=backend)
Jul 30 23:22:51 ass <email address hidden>[6863]: ERROR glance.common.wsgi glance_store.exceptions.UnknownScheme: Unknown scheme 'None' found in URI