Re: [Condor-users] Only run when logged of?

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> Date: Wed, 22 Sep 2010 08:23:14 -0500
> From: tannenba@xxxxxxxxxxx
> To: condor-users@xxxxxxxxxxx
> Subject: Re: [Condor-users] Only run when logged of?
>
> Dave STREET wrote:
> > I came up with the following script
> >
> > trComputer = "." ' " use "." for local computer
> >
> > Set objWMI = GetObject("winmgmts:" _
> > & "{impersonationLevel=impersonate}!\\" _
> > & strComputer & "\root\cimv2")
> > Set colSessions = objWMI.ExecQuery _
> > ("Select * from Win32_LogonSession Where LogonType = 2")
> >
> > If colSessions.Count = 0 Then
> > Wscript.Echo "FALSE"
> >
> > Else
> > WScript.Echo "True"
> >
> > End If
> >
> > So this echos TRUE is a user is Logged on and False is not. My questions
> > is though when you say it must return TRUE or FALSE to the STARTD_CRON
> > job I am assuming I would need to change the echo statements but I am
> > not sure what to.
> >
> > Any ideas. Other wise this seems a perfect solution.
>
> Hi Aaron (or is it Davey?) -
>
> Awesome!
>
> You'd want your above script to not just echo "True" or "False, but it
> should echo to stdout "UsersLoggedIn = True" or "UsersLoggedIn = False"
> if you configure things up as Ian suggested below.
>
> Assuming you get it all working in short order, can I persuade you to
> contributing a HOWTO recipe for this? It would likely be of interest to
> other Condor users. We've been trying to collect such HOWTOs on the
> Condor wiki at
> https://condor-wiki.cs.wisc.edu/index.cgi/wiki?p=HowToAdminRecipes
> see the above URL to get a feeling of what I am talking about. If you
> are interested, please just drop a note to condor-admin@xxxxxxxxxxx and
> we'll create an account for you on the wiki (anonymous users have read
> access, but an account is needed to create/edit content).
>
> regards,
> Todd
>
>
> >
> > Cheers
> >
> > Aaron
> >
> > Date: Wed, 15 Sep 2010 10:31:10 -0400
> > From: ichesal@xxxxxxxxxxxxxxxxxx
> > To: condor-users@xxxxxxxxxxx
> > Subject: Re: [Condor-users] Only run when logged of?
> >
> > On Wed, Sep 15, 2010 at 8:48 AM, Dave STREET <davey_street@xxxxxxxxxxx
> > <mailto:davey_street@xxxxxxxxxxx>> wrote:
> >
> > I am sure this is easy and I know some people do it, but how can I
> > make it so windows machines only accept jobs and run jobs while no
> > one is logged on, and remove jobs as soon as a user logs in?
> >
> > I can see how to set up for CPU and keyboard busy. But I want to
> > have the logged on status of the machine control when jobs can and
> > cant run?
> >
> >
> > Aaron,
> >
> > There isn't a built-in macro in Condor that indicates whether a user is
> > logged in to a machine or not. But you could write something that can be
> > called from a STARTD_CRON that returned True or False depending on
> > whether users are logged in or not.
> >
> > And then:
> >
> > STARTD_CRON_JOBLIST = LOGINCHECKER
> > STARTD_CRON_LOGINCHECKER_PREFIX = LoginChecker
> > STARTD_CRON_LOGINCHECKER_EXECUTABLE = c:\condor\loginchecker.exe
> > STARTD_CRON_LOGINCHECKER_PERIOD = 1m
> > STARTD_CRON_LOGINCHECKER_MODE = Periodic
> > STARTD_CRON_LOGINCHECKER_RECONFIG = True
> >
> > (That syntax is likely not 100% correct, I'm working from memory here on
> > the cron syntax, but that should get you started)
> >
> > The output from loginchecker.exe should be ClassAd attribute syntax. So:
> >
> > UsersLoggedIn = (True|False)
> >
> > That'll produce an attribute in your machine's ad called
> > LoginCheckerUsersLoggedIn that you can reference in your
> > START/SUSPEND/PREEMPT strings:
> >
> > START = $(LoginCheckerUsersLoggedIn) =!= True
> >
> > That should also keep START = False if the cron hasn't run and the
> > attribute has never been set.
> >
> > - Ian
> >
> >
> > Cycle Computing, LLC
> > The Leader in Open Compute Solutions for Clouds, Servers, and Desktops
> > Enterprise Condor Support and Management Tools
> >
> > http://www.cyclecomputing.com
> > http://www.cyclecloud.com
> >
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> >
> >
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>
> --
> Todd Tannenbaum University of Wisconsin-Madison
> Center for High Throughput Computing Department of Computer Sciences
> tannenba@xxxxxxxxxxx 1210 W. Dayton St. Rm #4257
> Phone: (608) 263-7132 Madison, WI 53706-1685
>
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Re: [Condor-users] Only run when logged of?