[radosgw-admin] modify bucker owner

[Francois Deppierraz <francois@ctrlaltdel.ch>]

Hi,

I'm trying to modify the owner of an existing bucket. The original user
(userA) was manually created with radosgw-admin user create a few
releases ago (dumpling I guess). The new user
(a2176a80eeac47a58c3d773eaebf6659) is defined in the Openstack Keystone
service.

# ceph -v
ceph version 0.72.2 (a913ded2ff138aefb8cb84d347d72164099cfd60)
# radosgw-admin bucket stats --bucket test-permissions3
{ "bucket": "test-permissions3",
  "pool": ".rgw.buckets",
  "index_pool": ".rgw.buckets",
  "id": "default.37768360.136",
  "marker": "default.37768360.136",
  "owner": "userA",
  "ver": 3,
  "master_ver": 0,
  "mtime": 1401699197,
  "max_marker": "",
  "usage": { "rgw.main": { "size_kb": 1,
          "size_kb_actual": 4,
          "num_objects": 1}},
  "bucket_quota": { "enabled": false,
      "max_size_kb": -1,
      "max_objects": -1}}
# radosgw-admin bucket link --bucket test-permissions3 --uid
a2176a80eeac47a58c3d773eaebf6659
# radosgw-admin bucket stats --bucket test-permissions3
{ "bucket": "test-permissions3",
  "pool": ".rgw.buckets",
  "index_pool": ".rgw.buckets",
  "id": "default.37768360.136",
  "marker": "default.37768360.136",
  "owner": "a2176a80eeac47a58c3d773eaebf6659",
  "ver": 3,
  "master_ver": 0,
  "mtime": 1401699387,
  "max_marker": "",
  "usage": { "rgw.main": { "size_kb": 1,
          "size_kb_actual": 4,
          "num_objects": 1}},
  "bucket_quota": { "enabled": false,
      "max_size_kb": -1,
      "max_objects": -1}}


Looks like the bucket owner was correctly changed, however access to the
bucket through the swift API with the new user fails.

$ swift list
test-permissions3
$ swift list test-permissions3
Container GET failed:
https://s3.company.com/swift/v1/test-permissions3?format=json 401
Authorization Required   {"Code":"AccessDenied"}
$

Trying to rollback to the previous state also fails.

# radosgw-admin bucket link --bucket test-permissions3 --uid userA
failure: (22) Invalid argument
2014-06-02 11:02:21.216739 7fb0b0392780  0 bucket entry point user
mismatch, can't unlink bucket: a2176a80eeac47a58c3d773eaebf6659 != userA
#

Fortunately, access to the bucket with the old user still works, even
though it's no longer listed as owner of the bucket according to
radosgw-admin.

Am I doing this wrong or is there a bug somewhere?

Thanks for your help!

François
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