Hi Robin,
Thanks for the pointer! My one concern though is that it didn’t seem to update the original object owner’s quota however, which is a bit of a sticking point. Is this expected (and is there a workaround)? I will admit to being a bit naive to how radosgw’s quota system works under the hood.
Thanks,
Ryan
> On Mar 6, 2018, at 2:54 PM, Robin H. Johnson <robbat2@xxxxxxxxxx> wrote:
>
> On Tue, Mar 06, 2018 at 02:40:11PM -0500, Ryan Leimenstoll wrote:
>> Hi all,
>>
>> We are trying to move a bucket in radosgw from one user to another in an effort both change ownership and attribute the storage usage of the data to the receiving user’s quota.
>>
>> I have unlinked the bucket and linked it to the new user using:
>>
>> radosgw-admin bucket unlink —bucket=$MYBUCKET —uid=$USER
>> radosgw-admin bucket link —bucket=$MYBUCKET —bucket-id=$BUCKET_ID —uid=$NEWUSER
>>
>> However, perhaps as expected, the owner of all the objects in the
>> bucket remain as $USER. I don’t believe changing the owner is a
>> supported operation from the S3 protocol, however it would be very
>> helpful to have the ability to do this on the radosgw backend. This is
>> especially useful for large buckets/datasets where copying the objects
>> out and into radosgw could be time consuming.
> At the raw radosgw-admin level, you should be able to do it with
> bi-list/bi-get/bi-put. The downside here is that I don't think the BI ops are
> exposed in the HTTP Admin API, so it's going to be really expensive to chown
> lots of objects.
>
> Using a quick example:
> # radosgw-admin \
> --uid UID-CENSORED \
> --bucket BUCKET-CENSORED \
> bi get \
> --object=OBJECTNAME-CENSORED
> {
> "type": "plain",
> "idx": "OBJECTNAME-CENSORED",
> "entry": {
> "name": "OBJECTNAME-CENSORED",
> "instance": "",
> "ver": {
> "pool": 5,
> "epoch": 266028
> },
> "locator": "",
> "exists": "true",
> "meta": {
> "category": 1,
> "size": 1066,
> "mtime": "2016-11-17 17:01:29.668746Z",
> "etag": "e7a75c39df3d123c716d5351059ad2d9",
> "owner": "UID-CENSORED",
> "owner_display_name": "UID-CENSORED",
> "content_type": "image/png",
> "accounted_size": 1066,
> "user_data": ""
> },
> "tag": "default.293024600.1188196",
> "flags": 0,
> "pending_map": [],
> "versioned_epoch": 0
> }
> }
>
> --
> Robin Hugh Johnson
> Gentoo Linux: Dev, Infra Lead, Foundation Treasurer
> E-Mail : robbat2@xxxxxxxxxx
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