[libvirt] [RFC 0/7] Warn at runtime when deprecated features are used

[Andrea Bolognani]

On Fri, 2018-10-12 at 16:21 +0100, Daniel P. Berrangé wrote:
> On Wed, Oct 10, 2018 at 01:09:50PM +0200, Andrea Bolognani wrote:
> > So once we have these changes in place, command line users can be
> > pretty much completely isolated from libvirt defaults, just like
> > virt-manager and oVirt and Nova users. Then it will be up to us
> > to actually advertise these alternatives and push users away from
> > virsh[1] and towards them.
> > 
> > I wonder if showing a message suggesting to use virt-xml instead
> > when 'virsh edit' or 'virsh attach-device' are called would be
> > considered acceptable at that point?
> 
> Depends what you mean by showing a message ?  I'd be fine with the
> virsh man page referring people to virt-xml as a companion tool.
> 
> I would certainly not expect invokation of 'virsh edit' to print
> any text on the console, as it will always be valid to want to
> use "virsh edit", "virsh atach-device"  or any other command
> precisely because they are an almost direct passthrough to the
> libvirt API without trying to inject clever logic of their own.

Okay, let's forget the runtime messages then: we can mention
virt-xml (and virt-install) in the documentation, write blog posts
about them, and the like.

Does the rest of the plan look reasonable to you?

-- 
Andrea Bolognani / Red Hat / Virtualization