[Libguestfs] [PATCH RFC] sysprep:add logging feature

Richard W.M. Jones rjones at redhat.com
Tue Apr 3 09:09:36 UTC 2012

On Tue, Apr 03, 2012 at 04:54:59PM +0800, Wanlong Gao wrote:
> On 04/03/2012 04:45 PM, Richard W.M. Jones wrote:
> > On Tue, Apr 03, 2012 at 04:20:28PM +0800, Wanlong Gao wrote:
> >> Hi Rich,
> >>
> >> What I felt at using virt-sysprep is that all things are done in silent and
> >> there is no log what's done. Please consider to add logging feature what was done
> >> at virt-sysprep. For example,
> > 
> > If we do logging, let's allow it to be enabled and disabled on the
> > command line, and add a generic "log" function to utils.ml.
> what I'm going to do and what we most interested in is,
>  - external guest fish script.

Does the new --script option do what you want?  Note it's a shell
script, not a guestfish script (but a shell script should be more


>  - homedir .ssh directroy 
>    (It's better if virt-sysprep can prepare a new key for copied guest.)
>  - /var/run files

This would be simple, *except* that you need to avoid deleting

>  - modify file system's UUID to be an unique.

Not hard, but complicated to ensure that all of the places that the
UUID is used have been updated (/etc/fstab obviously, but maybe there
are other places).

> Other than that, I think following should be removed..
>  - .bash_history file
>  - delete user accounts (should be optional??)
>  - add/modify user accounts(optional)
>  - 

Agreed.  I think most of these are in the TODO file, they just need
doing ...


Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
libguestfs lets you edit virtual machines.  Supports shell scripting,
bindings from many languages.  http://libguestfs.org

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