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[Akihiro Motoki <1783467@xxxxxxxxxxxxxxxxxx>]

I reproduced this issue but it sounds a cinder or cinderclient bug.
horizon uses Cinder API v3.0, so the change of
https://review.openstack.org/#/c/573093/ should not affect horizon.

I set the logging level of cinderclient in horizon to DEBUG and got the following log: http://paste.openstack.org/show/727200/
According to L.4, cinder API version 3.0 is used. The change of the encryption in cinder side is implemented in Cinder API version 3.53. Horizon uses cinder API version 3.0, so the API should not be changed. It sounds a cinder (or cinderclient) bug.


** Also affects: cinder
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1783467

Title:
  fail to create volume type encryption

Status in Cinder:
  New
Status in OpenStack Dashboard (Horizon):
  In Progress

Bug description:
  branch: master
  deploy tool: devstack, local.conf file can be found as attachment.
  os: centos7

  When I try to create the volume type encryption, the msg 'Unable to
  create encrypted volume type.' occurs. I find the msg from the command
  'journal -f --unit devstack@c-*'.

  Jul 25 10:28:30 dev devstack@c-api.service[8775]: INFO cinder.api.openstack.wsgi [None req-5b1be177-9550-422b-a7cb-c43875ae697c admin admin] GET http://172.16.140.46/volume/v3/414592cac9954402b6e34f25998d10ed/types?is_public=None
  Jul 25 10:28:30 dev devstack@c-api.service[8775]: DEBUG cinder.api.openstack.wsgi [None req-5b1be177-9550-422b-a7cb-c43875ae697c admin admin] Empty body provided in request {{(pid=8777) get_body /opt/stack/cinder/cinder/api/openstack/wsgi.py:718}}
  Jul 25 10:28:30 dev devstack@c-api.service[8775]: DEBUG cinder.api.openstack.wsgi [None req-5b1be177-9550-422b-a7cb-c43875ae697c admin admin] Calling method 'index' {{(pid=8777) _process_stack /opt/stack/cinder/cinder/api/openstack/wsgi.py:872}}
  Jul 25 10:28:30 dev devstack@c-api.service[8775]: INFO cinder.api.openstack.wsgi [None req-5b1be177-9550-422b-a7cb-c43875ae697c admin admin] http://172.16.140.46/volume/v3/414592cac9954402b6e34f25998d10ed/types?is_public=None returned with HTTP 200
  Jul 25 10:28:30 dev devstack@c-api.service[8775]: [pid: 8777|app: 0|req: 409/805] 172.16.140.46 () {64 vars in 1370 bytes} [Wed Jul 25 10:28:30 2018] GET /volume/v3/414592cac9954402b6e34f25998d10ed/types?is_public=None => generated 701 bytes in 22 msecs (HTTP/1.1 200) 7 headers in 285 bytes (1 switches on core 0)
  Jul 25 10:28:30 dev devstack@c-api.service[8775]: INFO cinder.api.openstack.wsgi [None req-fae4a561-8c6b-4d34-b567-55698cbeebd0 admin admin] POST http://172.16.140.46/volume/v3/414592cac9954402b6e34f25998d10ed/types/fd1d6e02-7a50-4336-b19c-9b48671c183b/encryption
  Jul 25 10:28:30 dev devstack@c-api.service[8775]: DEBUG cinder.api.openstack.wsgi [None req-fae4a561-8c6b-4d34-b567-55698cbeebd0 admin admin] Action: 'create', calling method: create, body: {"encryption": {"volume_type_id": "fd1d6e02-7a50-4336-b19c-9b48671c183b", "name": "lvmdriver-3", "control_location": "front-end", "key_size": null, "provider": "luks", "cipher": null}} {{(pid=8776) _process_stack /opt/stack/cinder/cinder/api/openstack/wsgi.py:869}}
  Jul 25 10:28:30 dev devstack@c-api.service[8775]: INFO cinder.api.openstack.wsgi [None req-fae4a561-8c6b-4d34-b567-55698cbeebd0 admin admin] http://172.16.140.46/volume/v3/414592cac9954402b6e34f25998d10ed/types/fd1d6e02-7a50-4336-b19c-9b48671c183b/encryption returned with HTTP 400

  But I can create the volume type encryption by the CLI command 'cinder
  encryption-type-create <volume-type-id> <provider>'.

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