Re: Ceph configuration data sharing requirements

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The ability to specify the osd id would maybe simplify things, here is a pull request for discussion https://github.com/ceph/ceph/pull/736

On 17/10/2013 22:46, Loic Dachary wrote:
> Hi Ceph,
> 
> Configuring a Ceph cluster requires sharing data between clients and daemons. It would be helpful for the architecture of a puppet module to have a detailed descripiton of what these requirements are. As far as I understand there is:
> 
> * The IP address of at least one MON in the Ceph cluster
> 
> If cephx is disabled:
> 
> * no other requirement
> 
> If cephx is enabled:
> 
> * an admin user is created by providing a keyring file with its description when the first
>   MON is bootstraped
>   http://ceph.com/docs/next/dev/mon-bootstrap/
> 
> * users must be created by injecting them into the MONs, for instance with auth import
>    https://github.com/ceph/ceph/blob/master/src/mon/MonCommands.h#L162
>    or auth add. There is not need to ask the MONs for a key, although it can be done. It is
>    not a requirement. When a user is created or later on, its capabilities can be set.
> 
> * an osd must be created by the mon which return an unique osd ID which is then used to
>    further configure the osd.
>    https://github.com/ceph/ceph/blob/master/src/mon/MonCommands.h#L471
> 
> * a client must be given a user id and a secret key
> 
> It would also be helpful to better understand why people are happy with the way ceph-deploy currently works and how it deals with these requirements.
> 
> Cheers
> 
> 
> 
> _______________________________________________
> ceph-users mailing list
> ceph-users@xxxxxxxxxxxxxx
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
> 

-- 
Loïc Dachary, Artisan Logiciel Libre
All that is necessary for the triumph of evil is that good people do nothing.

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