[et-mgmt-tools] Re-usage of existing disks/virt-install

[Daniel P. Berrange]

On Wed, Feb 20, 2008 at 10:02:27AM -0500, Cole Robinson wrote:
> Alexander Todorov wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA512
> > 
> > Hello,
> > I've been using a shell script to help me with some testing which installs the
> > same Xen guest over and over again. Now I've noticed that in
> > python-virtinst-0.300.2-3.fc8 there's new functionality. virt-install will check
> > if the file exists and ask to overwrite, then it will ask if you want to use the
> > same file if it's being used by another guest (in my case inactive).
> > 
> > That's breaking the cli by making it interactive. This has impact on old scripts
> > which do not require further interaction.
> > 
> > Can we consider a --yes or a similar option to deal with this problem?
> > Any opinions are welcome.
> > 
> > Thanks,
> > Alexander.
> 
> Complete agreement here, I actually cooked up something similar to this a while
> ago and posted it to the list, but never committed it. There should probably
> be an option to answer yes where applicable, but also an option to outright fail
> on any prompt.
> 
> Something like --noprompt={fail,yes}, defaults to fail. Unfortunately this doesn't
> look very intuitive but my brain isn't thinking of anything cleaner at the moment.

Personally I think the check for a file existing on disk is an utter waste
of time & just serves to seriously annoy & should be removed. Fine checking
for it being in use in an existing guest though.

The -f, or --force is the common nomenculture used to rm/cp/mv to stop it
prompting

Dan.
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