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Re: [Xen-users] xend future

On 03/21/2012 12:16 PM, Ian Campbell wrote:
On Wed, 2012-03-21 at 11:08 +0000, Mario wrote:
On 03/21/2012 10:49 AM, Ian Campbell wrote:
On Tue, 2012-03-20 at 21:58 +0000, Mario wrote:
Hey everyone, I was wondering, since xend will finaly be removed in the
next major release, what will the future be like for us who use its
XML-RPC features? Is there going to be some other way to do it, for
example adding xml-rpc support into libxl, or should I simply start
porting all my scripts over to libvirt?

The best options for replacing xend here are either libvirt/virtd or

I guess you already know about libvirt.

The XML-RPC interface exposed by xapi is a descendant of that used by
xend, although I'm not sure how much they have in common nowadays. Might
potentially make porting somewhat simple I guess (just a guess though).

You can get xapi either via the traditional XCP route or it is also now
available in Debian and Ubuntu as a result of project Kronos. Project
Zeus[2] is in progress to add it to Fedora etc.


[0] http://wiki.xen.org/wiki/XCP_Introduction
[1] http://wiki.xen.org/wiki/Project_Kronos
[2] http://wiki.xen.org/wiki/Project_Zeus_Fedora_Spec

Well, I would usualy consider Xapi since it's directly related to Xen,
however, because it is "distro-locked" in such a way that there has to
be a fork per distro doesn't really seem like the right choice to me. I
suppose it has to be like that if its just a hack to make XCP work on
classic distro's? Or am I mistaken?

The aim of Kronos and Zeus is to make XAPI available as a proper package
on various distros, there is no fork -- only effort to package things
for the particular distro packaging formats, which is normal for any
software -- or hack involved.

Part of Kronos has necessarily involved changes to the xapi side to make
it less entangled with XCP and therefore usable in a generic environment
(i.e. resolving the "distro-lock" which you refer to), this has
obviously made Zeus a fair bit easier.


In that case, I am interested in making a package for yet another distribution, and instead of making up yet another name and doing it all from scratch (if its even possible), which of the two would be a better choice to follow? Which of the two is more generic? Does having Zeus project ensure that Kronos will stay active, or is Zeus not dependant on Kronos development, etc etc :-)
Any info I can get, would help alot.


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