Re: cephx key for CephFS access only

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At present, the only security permission on the MDS is "allowed to do
stuff", so "rwx" and "*" are synonymous. In general "*" means "is an
admin", though, so you'll be happier in the future if you use "rwx".
You may also want a more restrictive set of monitor capabilities as
somebody else recently pointed out, but [3] will give you the
filesystem access you're looking for.
-Greg
Software Engineer #42 @ http://inktank.com | http://ceph.com


On Fri, Mar 28, 2014 at 9:40 AM, Travis Rhoden <trhoden@xxxxxxxxx> wrote:
> Hi Folks,
>
> What would be the right set of capabilities to set for a new client key that
> has access to CephFS only?  I've seen a few different examples:
>
> [1] mds 'allow *' mon 'allow r' osd 'allow rwx pool=data'
> [2] mon 'allow r' osd 'allow rwx pool=data'
> [3] mds 'allow rwx' mon 'allow r' osd 'allow rwx pool=data'
>
> I'm inclined to go with [3]. [1] seems weird for using *, I like seeing rwx.
> Are these synonymous? [2] seems wrong because it doesn't include anything
> for MDS.
>
> - Travis
>
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