Re: [Xen-users] VM Management tools.

["Omer Khalid" <Omer.Khalid@xxxxxxx>]

Hello Everyone,

So it seems for me to jump into the pool too :-)

At CERN, for gLite Grid middle ware we have been using virtual machines for long time. Our use scenario is very different, but one of the tools we created, vGrid, have one component which might interest some people on this thread. 

Its a Python script which runs on each cluster node, and publishes the "xm list" status and "load balance" of the node in the browser at a user-configured port. Its built on top of libvirt library.

Have a look here:
http://vgrid.web.cern.ch/vgrid/demo/xen.htm
http://vgrid.web.cern.ch/vgrid/demo/load.htm

I would be happy to contribute this script to the people who are trying to develop an open source solution.

Regards
Omer

On 3/16/07, Ingard Mevåg < ingard.mevag@xxxxxxxxxxxxxx> wrote:

You might want to look at mln also. It does all this, and alot of other
very conveniant management things :)

ingard

Steve Kemp wrote:
> On Fri, Mar 16, 2007 at 02:21:55PM +0100, Julian Pawlowski wrote:
>
>
>> What we need is something you install on all nodes and where you have a
>> central administration directly over a web browser or a Windows program like
>> the one from XenEnterprise - but in OpenSource of course.
>>
>
>   Funny you should say that .. I've been working on this for the
>  past week or two.
>
>   This is the successor to my previous Argo project, named Argos.
>
>   The intention is that it will run exactly as you describe:
>
>    * Each dom0 runs a small agent.
>
>    * There is a central server which contacts each agent and can
>      instruct them to do things;
>
>         - list running instances
>         - list shutdown instances
>         - list all instances, regardless of running/not-running
>         - start domU
>         - shutdown domU
>
>    The central server also provides an XMLRPC interface that can
>   be used to construct a control panel.  Right now there is a
>   simple (working!) command line shell, but we also have a
>   Ruby on Rails web-based control panel in development, and
>   there will be GUI application too  (probably Ruby + Tk)
>
>    As a quick example the shell allows you to list remote nodes
>   and connect to one in particular.  Then you can list the
>   guests and start/stop them.  Here is a capture:
>
>   skx@mine:~/cvs/argos$ ./control/console/console-client.rb
>   skx#> nodelist     <-  List nodes
>       mine
>       yours
>       localhost
>
>   skx#> node mine    <-  Take control of xen host "mine[.my.flat]"
>   skx# [mine]>
>
>   skx# [mine]> list  <-  list xen guests
>   Running:
>         nfsclient.my.flat
>         builder.my.flat
>         cfmaster.my.flat
>   Not running:
>         steve.my.flat
>
>    skx# [mine]> boot steve.my.flat
>    skx# [mine]> exit
>
>    Neat?  I think so.  Only a few hundred lines of Ruby, although
>  there is still work to do getting the web console working, getting
>  SSL sorted out etc.
>
>   If you're interested in trying it out:
>
>     http://argos.cvsrepository.org/
>
>   Debian packages are almost there, and mailing me off-list should
>  let me help with any problems.
>
>   Once it is actually released for the first time there will be
>  webpages on http://xen-tools.org/software/argos/
>
>
>
>> Why isn't there anything for the community? :-(
>>
>
>   Because everybody wants it for free and isn't prepared to write
>  it themselves - much like Xen ;)
>
> Steve
>


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