Red Hat Bugzilla – Bug 809198
swift replication with selinux
Last modified: 2014-10-06 20:16:09 EDT
As part of a swift install, rsync is configured to replicate data
between nodes. I've been testing this out on RHEL 6.2 and it all works
great until I turn selinux on.
Once I turn on selinux I start getting AVCs in the audit log, they
are being generated when rsyc (configured to be run by xinetd) trys to
access the swift data being stored on a mounted files system in
To get around this I've had to
1. setsebool rsync_export_all_ro on # set the rsync_export_all_ro
2. semodule -i rsyncswift.pp # insert a policy module, I generated by
3. change the lock files configured in rsyncd.conf to be created in
/var/run/ (the swift docs put them in /var/lock/)
How would we normally handle policies required for a package in a
different channel? should they be added to the swift package or the RHEL
policies or are there other options?
Attached are some example AVCs from audit.log along with various security contexts involved
Created attachment 574578 [details]
AVCs generated by swift replication
Created attachment 574579 [details]
module generated by audit2allow
Created attachment 574580 [details]
example rsyncd config file being used
Let's fixed that in Fedora first.
This is a regression. I previously verified bug #918721, yet now I noticed the problem is back.
You can easily reproduce it by manually deleting some files in /srv/node/deviceX/ - without SELinux, they get restored if you have at least 2 nodes and replica_count=2.
I reproduced this on RHEL6.4 using
swift packages 1.8.0-4
Does running this:
restorecon -Rv /srv/*
... make the problem go away?
Swift creates /srv/node, which there should be labelling for in Fedora, but because the directory is created after the selinux-policy package is installed, it probably simply has the wrong label.
In my case, this was bug in my tests, I was messing with the data and forgot to restore SELinux context. So everything works on my setup now, even with SELinux.
The reporter says he uses RHEL 6.2, maybe that is the problem.
Derek, does the restorecon from #c7 help?
(In reply to Martina Kollarova from comment #9)
> Derek, does the restorecon from #c7 help?
I no longer have the system where this was originally happening (It was over a year ago). If this has been solved for the currently supported platforms perhapes this can be closed?
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