#! /bin/bash
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# Copyright (c) 2015, Intel Corporation
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# [ICS VERSION STRING: unknown]


# initialize

# BASE PATH TO MPI EXECUTABLES: To use an alternate location,
# either edit this line or set MPICH_PREFIX in your environment.
# see iba_select_mpi for the set of default MPI selections
# default to MPI used for build
MPICH_PREFIX=

mpirunfile=
vfselectmethod=sid
vfname=
vfsid=
qname=

MPI_CMD_ARGS=

LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$MPICH_PREFIX/lib64/
LSB_DJOB_NUMPROC=3

# Usage - display usage syntax and exit

Usage()
{
	echo "Usage: submit.openmpi.job [-p num_processes] [-V vf_select_method] [-s vf_sid] [-n vf_name] [-q queue_name] mpi_run_file [mpi_run_file args]"
	echo "  where vf_select_method is one of:"
	echo "    vf_name: Name of virtual fabric - use -n to define vf name"
	echo "    sid    : ServiceId of virtual fabric - use -s option to define service id"
	echo "  where queue_name is a valid LSF queue name (use bqueues for a list)"
	exit 2
}




# process opts and args

while getopts V:s:n:p:q: param
do
	case $param in
	V)
		export vfselectmethod=$OPTARG;;
	s)
		export vfsid=$OPTARG;;
	n)
		export vfname=$OPTARG;;
	p)
		export LSB_DJOB_NUMPROC=$OPTARG;;
	q)
		export qname=$OPTARG;;
	?)
		Usage
	esac
done
shift $(($OPTIND -1))

mpirunfile=$1

# validate args

if [ "$mpirunfile" = "" ]
then
	echo "Must provide an mpi_run_file"
	Usage
fi

if [ ! -f $mpirunfile ]
then
	echo "mpi_run_file \"$mpirunfile\" does not exist"
	Usage
fi

# get opagetvf_func definition
. /usr/bin/opagetvf_env

case $vfselectmethod in
	vf_name)
		opagetvf2_func "-d '$vfname'" OMPI_MCA_btl_openib_pkey OMPI_MCA_btl_openib_ib_service_level OMPI_MCA_btl_openib_mtu
		if [ $? -ne 0 ]
		then
			echo "Failed to get environment variables for VF with Name \"$vfname\""
			Usage
		fi
		export OMPI_MCA_mtl_psm_ib_pkey=$OMPI_MCA_btl_openib_pkey
		export OMPI_MCA_mtl_psm_ib_service_level=$OMPI_MCA_btl_openib_ib_service_level
		export PSM_MTU=$OMPI_MCA_btl_openib_mtu;;
	sid)
		opagetvf2_func "-S '$vfsid'" OMPI_MCA_btl_openib_pkey OMPI_MCA_btl_openib_ib_service_level OMPI_MCA_btl_openib_mtu
		if [ $? -ne 0 ]
		then
			echo "Failed to get environment variables for VF with SID \"$vfsid\""
			Usage
		fi
		export OMPI_MCA_mtl_psm_ib_pkey=$OMPI_MCA_btl_openib_pkey
		export OMPI_MCA_mtl_psm_ib_service_level=$OMPI_MCA_btl_openib_ib_service_level
		export PSM_MTU=$OMPI_MCA_btl_openib_mtu;;
	*)
		echo Unknown vfselectmethod $vfselectmethod
		Usage;;
esac

if [ "$MPICH_PREFIX" = "" ]
then
	. /usr/bin/iba_select_mpi
	if ! valid_mpich_prefix
	then
		find_mpi $prefix/mpi/gcc/openmpi*
	fi
fi

lsid -V 2>&1 | tee lsid.out  > /dev/null
version=`cat lsid.out | grep LSF | awk -F" " '{print $4}' | cut -d"." -f 1`
if [ "$version" = "9" ] || [ "$version" = "8" ]
then

	temp=
	for arg in $MPI_CMD_ARGS
	do
       		temp="$temp -x '$arg'"
	done
	MPI_CMD_ARGS="$temp"

	# submit the job
	echo "#! /bin/sh" > .run.openmpi
	echo "#BSUB -n $LSB_DJOB_NUMPROC" >> .run.openmpi
	echo "#BSUB -o %J.out" >> .run.openmpi
	echo "#BSUB -e %J.err" >> .run.openmpi
	if [ "$qname" != "" ]
	then
		echo "#BSUB -q $qname" >> .run.openmpi
	fi
	echo $MPICH_PREFIX/bin/mpirun -np $LSB_DJOB_NUMPROC -hostfile \$LSB_DJOB_HOSTFILE $MPI_CMD_ARGS $* >> .run.openmpi

	bsub < .run.openmpi
	rm .run.openmpi
else
	# submit the job from stdin - user mpirun.lsf

	if [ "$qname" != "" ]
	then
		qparam="#BSUB -q $qname"
	else
		qparam=""
	fi

	bsub -a openmpi << EOF
	#BSUB -n $LSB_DJOB_NUMPROC
	#BSUB -o %J.out
	#BSUB -e %J.err
	$qparam
	mpirun.lsf $MPI_CMD_ARGS $*
EOF
fi

rm lsid.out
exit 0