glance env vars

:~$ env | grep OS
OS_PASSWORD=openstack
OS_AUTH_STRATEGY=keystone
OS_AUTH_URL=http://localhost:5000/v2.0/
OS_USERNAME=glance
OS_TENANT_NAME=service

:~$ sudo glance index
Failed to show index. Got error:
You are not authenticated.
Details: 401 Unauthorized

:~$ sudo glance --os_tenant_name=service --os_username=glance --os_password=btstack --os_auth_url="http://127.0.0.1:5000/v2.0" -S keystone index

:~$ echo $?
0