Re: [Qemu-devel] [PATCH 01/11] QMP: Introduce specification file

[Jamie Lokier <jamie@shareable.org>]

Filip Navara wrote:
> > QEMU's monitor is already much easier to use than that.
> 
> For human? Definitely! For shell scripts? Yes. For libraries that need
> to parse the data reliably? No.

Yes, it could do with a more well-defined formatting.

Documented escaping of unusual characters in names would be a start :-)

> > When a new monitor command is added, you can use it from scripts as
> > trivial one-liner text commands, assuming you already have a way to
> > connect to the monitor.
> 
> Since when was calling from scripts added as requirement? Don't get me
> wrong, I would be happy to cover this use case as well. It's a diverse
> use case from the libvirt usage though, in my humble opinion.

Aren't most QEMU management programs (other than libvirt) scripts?

Looks to me like "works with libvirt and other management programs"
implies that you can use it from scripts, because many management
programs are, in fact, scripts.

If the requirement is simply "works with libvirt", then closer
integration with libvirt would be better than trying to cleanly RPC
everything.  After all, libvirt already has it's own RPC layer for
everything connecting to it, and libvirt people want all QEMU
interaction to happen via libvirt anyway.  There's no point having
multiple different RPC layers carrying exactly the same commands in
different ways.

-- Jamie