[Tutor] WMI

Spencer Parker inthefridge at gmail.com
Wed Sep 17 19:37:39 CEST 2008

Yes...you do have it all correct.  Luckily this is all behind a private
network that is firewalled.  There is no way to get to this network unless
you are physically on site.  Since there isn't even VPN access to this
network currently.  This was done for the security problems associated with
random scripts running that do dangerous things like this.  Most of this is
done with SSH on the linux side...which I am going to stick with on the
windows side.  I setup and SSH server running on the windows controller.  It
is working for the most part now.

Thanks again for all of the help...

On Wed, Sep 17, 2008 at 11:20 AM, Steve Willoughby <steve at alchemy.com>wrote:

> On Wed, Sep 17, 2008 at 10:52:33AM -0600, Spencer Parker wrote:
> > We have a web interface where people can provision virtual machines.
> > Currently we do this with Linux machines and it sets a unique IP,
> username,
> > startup services, and a password.  This is all triggered at startup of
> the
> > linux machines with perl and an xml file.  We are trying to replicate
> this
> > with Windows.  Setting the IP and creating the user's is pretty
> easy...and
> > that code you sent me did basically everything with some tweaking.  When
> > someone goes to the web interface it triggers some Expect scripts that
> log
> > into the linux xen machine and trigger the whole process.  We have a
> windows
> > VM now that will control the process for Windows VM's.
> SO... a user goes to the web interface and requests a new VM, which makes a
> script log in to a Linux master host and kicks off a remote job there to
> create a new VM instance, which, when it boots up, runs another script to
> complete the process?  I just want to make sure I got that parsed
> correctly.
> You'd basically do the same thing on the Windows machine.  If the process
> you're triggering is a simple command-line program (like a script, maybe?)
> you could use an RPC call or even something like SSH to run it from the
> Linux system.  If it's something that can be easily invoked by an object
> method call in .net, you could make a very simple .net web service running
> on the windows master waiting to kick off the provisioning process.  Your
> web interface could have a simple Linux-side Python script which would
> connect to the web service and request it to run.
> Be careful, though.  What you're describing is fraught with security
> issues and vulnerabilities that need to be skillfully addressed.
> --
> Steve Willoughby    |  Using billion-dollar satellites
> steve at alchemy.com   |  to hunt for Tupperware.

Spencer Parker
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