[lxc-devel] [PATCH v2 3/3] Improve setting the default password in a new container

Michael H. Warfield mhw at WittsEnd.com
Sat Oct 11 17:24:10 UTC 2014


On Sat, 2014-10-11 at 11:58 +0900, TAMUKI Shoichi wrote:
> Hello,
> 
> From: "Michael H. Warfield" <mhw at WittsEnd.com>
> Subject: Re: [lxc-devel] [PATCH v2 3/3] Improve setting the default password in a new container
> Date: Thu, 09 Oct 2014 23:23:30 -0400
> 
> > > The default password in a new container is now auto-generated using
> > > phoneme rules and (good) random numbers.
> > > 
> > > Even if the default random password is set in a distribution-specific
> > > template and you use the download template to pull a pre-built rootfs
> > > image, you will get the same password every time unless the pre-built
> > > rootfs image is updated.
> > > 
> > > So, the default random password in a new container is to be set after
> > > container creation.  The user names whose passwords to be changed are
> > > stored in *.chpasswd file which is located at /usr/share/lxc/config.
> > > Each line of the file specifies a user name whose password is to be
> > > changed.  If the target *.chpasswd file does not exist, no password is
> > > changed in a new container.
> > 
> > This is obviously a festering problem and one that has already been
> > addressed in the Fedora and CentOS templates in a different manner and
> > additional patches have been submitted and under discussion.  Did you
> > even bother to read the code in the Fedora and CentOS templates?

> At first, I intended to use the code in the Fedora/CentOS templates,
> but I became aware that the method was available only when using the
> template with '-t' option to lxc-create.  It can not be used by non-
> priv users.

That would then be handled by the download template and, iirc, it was
Stéphane's intention to have those containers start with "locked"
accounts and require lxc-attach or something similar to set up.

> > Please immediately table this patch until further discussion can be
> > completed and a consensus achieved.

> Sure, I would like to discuss the approach with the people interested.

Cool.

> Regards,
> TAMUKI Shoichi

Regards,
Mike
-- 
Michael H. Warfield (AI4NB) | (770) 978-7061 |  mhw at WittsEnd.com
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