[Lxc-users] Unable to create lxc CT on fedora 19

Tue Jul 9 14:17:55 UTC 2013

On Tue, 2013-07-09 at 10:02 -0400, Dwight Engen wrote: 
> On Mon, 08 Jul 2013 10:05:49 -0400
> "Michael H. Warfield" <mhw at WittsEnd.com> wrote:
> 
> > On Sat, 2013-07-06 at 16:11 -0700, jjs - mainphrame wrote: 
> > > All,
> > > 
> > > 
> > > Noob question here. I've been testing lxc on ubunbtu 13.04 and
> > > everything just works. However, all my attempts to create an lxc CT
> > > on fedora 19 have failed. 
> > 
> > 
> > > The result is the same when attempting to create debian, ubuntu or
> > > fedora containers. What am I missing here?
> > 
> > As it so happens, I just upgraded one of my F18 workstations to F19
> > over the weekend and had not gotten around to testing this yet.  So I
> > just tested.  Spotted an immediate and obvious problem before I even
> > started and fixed that before even making the attempt.
> > 
> > 1) What version of lxc are you running?
> > 
> > The stock lxc rpms from the repos are 0.8.0.  Uh, oh.  No, that's not
> > gonna work at all.  Version 0.8.0 is not compatible with the version
> > of systemd that's shipped with F19 (or F18 for that matter).  You
> > need to upgrade lxc to at least 0.9.0 (current) and that's been
> > discussed in several other threads.  There are some prebuilt rpms
> > floating around, though I typically build my own since I've done some
> > work on the binaries and the Fedora template.  I would highly
> > recommend installing from some prebuilt rpms (or building your own)
> > rather than from source "compile and install".

> Just wanted to point out that "make rpm" from the sources works quite
> well for the "building your own" case :)

As does "rpmbuild -ta lxc-0.9.0.tar.gz" directly on the tarball (which
is generally what I do until I start making modifications).  :-)

> > No for testing...
> > 
> > 2) The lxc-fedora template (even in 0.9.0) is busted, as I feared it
> > would be, for Fedora 19 because the Fedora 19 release file is a -2
> > release and it's only looking for a -1 release.  I saw that code a
> > month ago and thought "that can't be right" but it hasn't busted
> > until now. Nobody answered when I asked about that logic on the devel
> > list back then so I guess it's one more thing on my list to fix.  The
> > whole retry logic in that template is wrong, IMNSHO.
> > 
> > 3) The errors couldn't be "the same" because the template logic is
> > different.  No where in the Fedora template do we do a "chroot .*
> > mount.*proc".  In fact, we don't even mount proc (which may be
> > something else I should look into).  That error on the "chroot ...
> > mount -t proc" would have never shown up in an fedora create (but you
> > would have blown up for the release download).
> > 
> > 4) After installing lxc-0.9.0 on my F19 system AND hacking the bloody
> > lxc-fedora template for the release extension, I was able to
> > successfully install an F19 container on an F19 host.  I'll try Ubuntu
> > and Debian next.
> > 
> > AFAICT, almost none of the other templates have allowed for cross
> > distro container creation, which sucks.  One more thing to work
> > on.  :-P
> > 
> > Regards,
> > Mike
> > 
> > > --- output follows ---
> > > 
> > > 
> > > [root at max ~]# lxc-create -n debian1 -t debian
> > > /usr/share/lxc/templates/lxc-debian
> > > is /usr/share/lxc/templates/lxc-debian
> > > debootstrap is /sbin/debootstrap
> > > 
> > > Checking cache download
> > > in /var/cache/lxc/debian/rootfs-squeeze-amd64 ... 
> > > Downloading debian minimal ...
> > > I: Retrieving Release
> > > W: Cannot check Release signature; keyring file not
> > > available /usr/share/keyrings/debian-archive-keyring.gpg
> > > I: Retrieving Packages
> > > I: Validating Packages
> > > I: Resolving dependencies of required packages...
> > > I: Resolving dependencies of base packages...
> > > I: Found additional required dependencies: insserv libbz2-1.0
> > > libdb4.8 libslang2
> > > 
> > > 
> > > ...  <snipped> ...
> > > 
> > > 
> > > I: Extracting mount...
> > > I: Extracting util-linux...
> > > I: Extracting liblzma2...
> > > I: Extracting xz-utils...
> > > I: Extracting zlib1g...
> > > W: Failure trying to run:
> > > chroot /var/cache/lxc/debian/partial-squeeze-amd64 mount -t proc
> > > proc /proc
> > > W:
> > > See /var/cache/lxc/debian/partial-squeeze-amd64/debootstrap/debootstrap.log
> > > for details Failed to download the rootfs, aborting.
> > > Failed to download 'debian base'
> > > failed to install debian
> > > lxc-create: failed to execute template 'debian'
> > > lxc-create: aborted
> > > [root at max ~]# 

Regards,
Mike
-- 
Michael H. Warfield (AI4NB) | (770) 985-6132 |  mhw at WittsEnd.com
   /\/\|=mhw=|\/\/          | (678) 463-0932 |  http://www.wittsend.com/mhw/
   NIC whois: MHW9          | An optimist believes we live in the best of all
 PGP Key: 0x674627FF        | possible worlds.  A pessimist is sure of it!
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