Re: [vserver] Util-vserver build from template modifies uid/gid

From: Daniel Hokka Zakrisson <daniel_at_hozac.com>
Date: Fri 30 Nov 2007 - 23:20:10 GMT
Message-ID: <51771.192.168.102.6.1196464810.squirrel@intranet>

DI Roman Fiedler wrote:
> I have a problem when creating vservers from template using the
> util-vserver tools, perhaps someone else has already fixed this:
>
> The template tar has correct uid/gid:
>
> tar --numeric-owner -tjvf ../vs-ubuntu710-minimal-2007-11-27.tar.bz2 |
> grep var/lock/logcheck
> drwxr-xr-x 103/109 0 2007-10-15 17:28 ./var/lock/logcheck/
>
> After importing the uid/gid are wrong:
> vserver-build -n - --hostname vs-test -m template -n vs-test -- -t
> vs-ubuntu710-minimal-2007-11-27.tar.bz2
> ls -aln vs-test/var/lock/logcheck/
> drwxr-xr-x 2 102 109 1 2007-10-15 17:28 .
> drwxrwxrwt 3 0 0 16 2007-10-15 17:29 ..
>
> On vserver utils .213 this workaround helped, but now it doesn't:
>
> Change: /usr/lib/util-vserver/util-vserver-vars
> _TAR="/bin/tar --numeric-owner"

Yeah, you'll need to change /usr/lib*/util-vserver/defaults/h2ext.desc
instead, since file is no longer used to determine the file type. This bug
is fixed in trunk, so 0.30.215 will include it...

> Now after machine upgrade (ubuntu 710, util-vserver 30.214, kernel
> 2.6.22.12-vs2.2.0.5) this setting is ignored (ps during extract, uses
> tar -x):
>
> root@localhost:/data/vservers# ps auxw | grep tar
> root 18367 0.1 0.0 108 28 pts/2 S+ 14:15 0:00
> /usr/sbin/vnamespace --new -- /usr/lib/util-vserver/vserver-build -n -
> --hostname vs-test -m template -n vs-test -- -t
> vs-ubuntu710-minimal-2007-11-27.tar.bz2
> root 18369 0.2 0.0 4276 1796 pts/2 S+ 14:15 0:00
> /bin/bash /usr/lib/util-vserver/vserver-build -n - --hostname vs-test -m
> template -n vs-test -- -t vs-ubuntu710-minimal-2007-11-27.tar.bz2
> root 18403 0.4 0.0 2900 596 pts/2 S+ 14:15 0:00
> /bin/cat /data/vservers/vs-ubuntu710-minimal-2007-11-27.tar.bz2
> root 18405 5.2 0.0 3464 1092 pts/2 S+ 14:15 0:00 tar -x
>
> The only possible workaround until now is to create a tar shellscript:
> #!/bin/bash
>
> exec /bin/tar --numeric-owner $
>
> and export PATH=.:$PATH before executing the build command
>
>
> Any idea?
>

-- 
Daniel Hokka Zakrisson
Received on Fri Nov 30 23:20:39 2007
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