On Fri, Jul 27, 2012 at 01:48:49PM +0400, Dmitry Guryanov wrote:
> On 07/27/2012 01:16 PM, Daniel P. Berrange wrote:
> >On Thu, Jul 26, 2012 at 10:32:00PM +0400, Dmitry Guryanov wrote:
> >>+static virCapsPtr
> >>+parallelsBuildCapabilities(void)
> >>+{
> >>+ virCapsPtr caps;
> >>+ virCapsGuestPtr guest;
> >>+ struct utsname utsname;
> >>+ uname(&utsname);
> >>+
> >>+ if ((caps = virCapabilitiesNew(utsname.machine, 0, 0)) == NULL)
> >>+ goto no_memory;
> >>+
> >>+ if (nodeCapsInitNUMA(caps) < 0)
> >>+ goto no_memory;
> >>+
> >>+ virCapabilitiesSetMacPrefix(caps, (unsigned char[]) {
> >>+ 0x42, 0x1C, 0x00});
> >>+
> >>+ if ((guest = virCapabilitiesAddGuest(caps, "hvm",
> >>PARALLELS_DEFAULT_ARCH,
> >>+ 64, "parallels",
> >>+ NULL, 0, NULL)) == NULL)
> >>+ goto no_memory;
> >Hmm, perhaps I'm misunderstanding, but isn't Parallels a container
> >based technology like OpenVZ, rather than full machine virtualization ?
> >
> >For containers we use 'exe' as the os type rather than 'hvm', and I'd
> >expect the arch + bit count to match the host OS.
> >
>
> Parallels Cloud Server uses the same interface for both
> containers and virtual machines management, where it's
> possible, I've decided to start writing support of VMs.
> I hope then it's possible to make driver which supports
> both types of virtualization and going to do it later.
Ah that makes sense now. Thanks for explaining. So what
you have here is fine to start with.
> >>+ /* From this point on, the connection is for us. */
> >>+ if (!conn->uri->path ||
> >>+ conn->uri->path[0] == '\0' ||
> >>+ (conn->uri->path[0] == '/' && conn->uri->path[1] == '\0')) {
> >>+ virReportError(VIR_ERR_INVALID_ARG, "%s",
> >>+ _("parallelsOpen: supply a path or use "
> >>+ "parallels:///default"));
> >>+ return VIR_DRV_OPEN_ERROR;
> >>+ }
> >>+
> >>+ if (STREQ(conn->uri->path, "/default"))
> >How do connections from parallels work from an end user POV ?
> >
> >Is there is a single parallels service for the whole machine
> >which all users connect to, or does each user have their own
> >private service they work with.
> >
> >If the former, I think it'd be preferable for the URI to be
> >either simple
> >
> > parallels:///
> >
> >Or
> >
> > parallels:///system
> >
> >to have a bit closer alignment with the naming we use with
> >LXC / QEMU / OpenBVZ.
> >
> >If the latter, then I'd suggest parallels:///session to
> >indicate its tied to a per-user account/session.
>
> Each user in system has it's own set of virtual machines,
> I agree to change URI to parallels://system
If each user has their own set of VMs, then you want parallels:///session
actually
Daniel
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