The root cause is: Cinder returns 500 error for non-admin user for quota-show method:
e0ne@dsvm2:~/devstack$ cinder quota-show 72833f28a109465582295eabde21d64f
ERROR: The server has either erred or is incapable of performing the requested operation. (HTTP 500) (Request-ID: req-f0445fc3-e3a2-4807-835f-42523c40b61c)
The root cause is: Cinder returns 500 error for non-admin user for quota-show method:
e0ne@dsvm2: ~/devstack$ cinder quota-show 72833f28a109465 582295eabde21d6 4f e3a2-4807- 835f-42523c40b6 1c)
ERROR: The server has either erred or is incapable of performing the requested operation. (HTTP 500) (Request-ID: req-f0445fc3-