On 05/10/2016 07:13 PM, Ken Dreyer wrote:
> I was thinking about handling it in the OSD directly, particularly
> since it already has the UID from --setuid.
> http://tracker.ceph.com/issues/15733
Thanks, Ken, for reminding me of that tracker issue! I would rather
implement the recursive ownership change for filestore-backed OSDs
(assuming it's not a totally insane thing to be doing) in ceph-disk than
in the OSD itself, for the following reasons.
ceph-disk already contains heuristics for determining the user/group to
pass to ceph-osd [1] and "--setuser ceph --setgroup ceph" is hardcoded
when starting ceph-osd via the systemd service [2].
If someone is passing a user/group other than "ceph" to the OSD via
--setuser/--setgroup, they will be doing the same with ceph-disk (which
also takes --setuser/--setgroup). Alternatively they will not be using
ceph-disk at all.
Right?
Nathan
[1]
https://github.com/ceph/ceph/blob/master/src/ceph-disk/ceph_disk/main.py#L951
[2] https://github.com/ceph/ceph/blob/master/systemd/ceph-osd%40.service#L12
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