Re: RGW Swift questions

["Luis Pabón" <lpabon@redhat.com>]

Great thanks!

- Luis

On 08/14/2014 12:40 PM, Yehuda Sadeh wrote:
> On Thu, Aug 14, 2014 at 9:00 AM, Luis Pabon <lpabon@redhat.com> wrote:
>> Thanks for the quick turnaround Yehuda.  I have just a few more comments below:
>>
>> ----- Original Message -----
>> From: "Yehuda Sadeh" <yehuda@redhat.com>
>> To: "Luis Pabón" <lpabon@redhat.com>
>> Cc: ceph-devel@vger.kernel.org
>> Sent: Thursday, August 14, 2014 11:02:06 AM
>> Subject: Re: RGW Swift questions
>>
>> On Thu, Aug 14, 2014 at 7:27 AM, Luis Pabón <lpabon@redhat.com> wrote:
>>> Hi Yehuda,
>>>      I am starting work on RGW and have a few questions:
>>>
>>> * Why is the command 'user create' when I am sending '--subuser'. Seems
>>> confusing.  Is there a reason why we are not to use 'subuser create'?
>> A subuser needs to have the containing user in order to be created.
>> The 'user create' command generates ones. The order of things would be
>> to create a user, then create a subuser for that user. By specifying
>> --subuser=.. on the user creation it should do both.
>>
>> [LP] Great, thank you
>>
>>> * If I use "user create --subuser", the JSON returned shows the entry for
>>> "subusers" is empty.  What is subusers for? (This is related to the previous
>>> question)
>> So I assume the subuser wasn't created?
>> The rgw user model follows the S3 user model which is a bit different
>> from the swift one. In S3 there's basically a single tenant, multiple
>> users. With swift there are multiple tenants (originally referred to
>> as 'accounts'), each have different users that share a similar view of
>> the system (e.g., share list of containers, etc.). The more natural
>> (although not perfect) mapping is by having an rgw user map to a swift
>> account. That's why we needed to add a second level of identification,
>> the subuser.
>>
>> [LP] I will have to check why it is empty.
>>
>>
>>> * Where do I place the OpenStack Tenant information?
>> The tenant id should be the user name.
>>
>> [LP] Cool, thanks. So if the tenant is the user name in RGW, what is the Swift user
>> map to?
> It maps into the subuser.
>
> Yehuda
>
>>> * Is there a document which describes how to setup RGW for OpenStack Swift?
>> Not that I'm aware of. Basically rgw is set to work with both S3 and
>> Swift out of the box. Here's how to integrate with keystone:
>> http://ceph.com/docs/master/radosgw/keystone/
>>
>>> * The radosgw-admin help screen does not explain which options to use for
>>> certain commands.  Is this something that we should fix?
>> We should certainly improve documentation. This can either go into the
>> man page, or a complete rework of the usage help.
>>
>>> * On page: http://ceph.com/docs/master/radosgw/swift/auth/ , clicking on
>>> "see radosgw-admin" does not work.
>> I opened issue #9116.
>>
>>
>> Thanks,
>> Yehuda
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