Acting as UID 100026, I am able to successfully run ceph-fuse and mount the filesystem. However, as soon as I try to write a file as UID 100026, I get permission denied, but I am able to write to disk as root without issue. I am looking for the inverse of this. I want to write changes to disk as UID 100026, but not as root. From what I understood in the email at http://lists.ceph.com/pipermail/ceph-users-ceph.com/ 2017-February/016173.html, I should be able to do so with the following cephx caps set to "caps: [mds] allow r, allow rw path=/user uid=100026". Am I wrong with this assumption or is there something else at play I am not aware of?
Thanks, Keane On Wed, Oct 25, 2017 at 5:52 AM, Gregory Farnum <gfar...@redhat.com> wrote: > > On Mon, Oct 23, 2017 at 5:03 PM Keane Wolter <wolt...@umich.edu> wrote: > >> Hi Gregory, >> >> I did set the cephx caps for the client to: >> >> caps: [mds] allow r, allow rw uid=100026 path=/user, allow rw >> path=/project >> > > So you’ve got three different permission granting clauses here: > 1) allows the client to read anything > 2) allows the client to act as uid 100026 in the path /user > 3) allows the user to do any read or write (as any user) in path /project > > > caps: [mon] allow r >> caps: [osd] allow rw pool=cephfs_osiris, allow rw pool=cephfs_users >> >> Keane >> >> On Fri, Oct 20, 2017 at 5:35 PM, Gregory Farnum <gfar...@redhat.com> >> wrote: >> >>> What did you actually set the cephx caps to for that client? >>> >>> On Fri, Oct 20, 2017 at 8:01 AM Keane Wolter <wolt...@umich.edu> wrote: >>> >>>> Hello all, >>>> >>>> I am trying to limit what uid/gid a client is allowed to run as >>>> (similar to NFS' root squashing). I have referenced this email, >>>> http://lists.ceph.com/pipermail/ceph-users-ceph.com/2017- >>>> February/016173.html, with no success. After generating the keyring, >>>> moving it to a client machine, and mounting the filesystem with ceph-fuse, >>>> I am still able to create files with the UID and GID of root. >>>> >>>> Is there something I am missing or can do to prevent root from working >>>> with a ceph-fuse mounted filesystem? >>>> >>>> Thanks, >>>> Keane >>>> wolt...@umich.edu >>>> _______________________________________________ >>>> ceph-users mailing list >>>> ceph-users@lists.ceph.com >>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>>> >>> >>
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