Re: [Condor-users] VM Unviverse & Xen

[Cole Uhlman <cuhlman@xxxxxxx>]

Hi, Jonathan.

I had this very same problem a while ago (except mine ran without error
manually).  What fixed it for me was making a 'condor' user for the
local config variable CONDOR_IDS.  I had CONDOR_IDS set to 0.0 before,
so it didn't work.

Even though xen commands need to be run as root, you need a non root
user controlling condor (and the VM_GAHP).

-Cole

On Thu, 2009-04-16 at 10:50 -0400, Jonathan D. Proulx wrote:
> Hi,
> 
> I'm attempting to get one of my Xen Dom0's to be an execute node for
> VM universe jobs, but it keeps coming up with "HasVM = FALSE" in it's
> class ad.
> 
> 
> StartLog shows:
> 
> 4/16 10:35:12 (fd:6) (pid:12933) Warning: '/afs/csail.mit.edu/system/@sys/condor/latest-install/sbin/condor_vm-gahp -f -M 0 vmtype "xen"' did not produce any valid output.
> 4/16 10:35:12 (fd:6) (pid:12933) Test of vmgahp for VM_TYPE('"xen"') failed. So we disabled VM Universe
> 
> 
> So trying to run the  command by hand (as root):
> 
> hive17:/opt/condor/log# /afs/csail.mit.edu/system/@sys/condor/latest-install/sbin/condor_vm-gahp -f -M 0 vmtype "xen"
> 
> ERROR: Please set environment variable 'VMGAHP_USER_UID=<uid>'
> 
> 
> OK, so I set teh environment variable:
> 
>  VMGAHP_USER_UID=0 /afs/csail.mit.edu/system/@sys/condor/latest-install/sbin/condor_vm-gahp -f -M 0 vmtype "xen"
> 
> ERROR: Please set environment variable 'VMGAHP_USER_UID=<uid>'
> 
> $CondorVersion: 7.2.0 Dec 19 2008 BuildID: 121001 $
> $CondorPlatform: X86_64-LINUX_RHEL5 $
> These are the static binaries running on Debian "Lenny" 
> 
> My VM config bits in condor_config.local (showwing my attempt to
> define VMGAHP_USER_ID there as well)
> 
> ALL_DEBUG = D_ALL
> VM_TYPE = "xen"
> VM_MEMORY = 31921
> VM_GAHP_SERVER = $(SBIN)/condor_vm-gahp
> VM_GAHP_LOG = $(LOG)/VMGahpLog
> VM_VERSION = xen3.2.1
> VMGAHP_USER_UID = 0
> 
> XEN_SCRIPT = $(SBIN)/condor_vm_xen.sh
> XEN_DEFAULT_KERNEL = vmlinuz-2.6.18-6-xen-amd64
> XEN_BOOTLOADER = /usr/bin/pygrub
> XEN_BRIDGE_SCRIPT = vif-bridge bridge=xenbr0
> 
> 
> Any hints much appreciated
> 
> Thanks,
> -Jon
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