#! /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_qlc
vfname=
vfsid=
dsprtg=
qname=
numprocs=2
wrkdir=$HOME
mrailmap=

MPI_CMD_ARGS=

LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$MPICH_PREFIX/lib64/
MOAB_DJOB_QUEUE_ARGS=""
MOAB_DJOB_WRK_DIR_ARGS=""


# Usage - display usage syntax and exit

Usage()
{
	echo "Usage: submit.openmpi.job [-V vf_select_method] [-s vf_sid] [-n vf_name]"
	echo "       [-d dsp_rtg] [-q queue_name] [-p num_processes] [-w wrk_dir]"
	echo "       [-m <unit:port>[,<unit:port>]]"
	echo "       mpi_run_file [mpi_run_file args]"
	echo -e "\n  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 "    sid_qlc: ServiceId of virtual fabric - use -s option to define service id,"
	echo "             uses dist_sa (default)"
	echo "  where dsp_rtg is: 1-adaptive, 2-static_src, 3-static_dest, or 4-static_base"
	echo "  where queue_name is a valid Moab queue name (default queue is batch)"
	echo "  where num_processes is the number of processors to run MPI on"
	echo "  where wrk_dir is the directory the job should execute in (default $""HOME)"
	echo "  where unit:port is the unit/port pair is used to setup a rail"  
	exit 2
}




# process opts and args

while getopts r:h:V:s:n:d:p:q:w:m: param
do
	case $param in
	r)
		export mpirunfile=$OPTARG;;
	V)
		export vfselectmethod=$OPTARG;;
	s)
		export vfsid=$OPTARG;;
	n)
		export vfname=$OPTARG;;
	d)
		export dsprtg=$OPTARG;;
	p)
		export numprocs=$OPTARG;;
	q)
		export qname=$OPTARG;;
	w)
		export wrkdir=$OPTARG;;
	m)
		export mrailmap=$OPTARG;;
	?)
		Usage
	esac
done
shift $(($OPTIND -1))

mpirunfile=$1

# validate args

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

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

if [ "$dsprtg" != "" ]
then
	if [ $dsprtg -lt 1 -o $dsprtg -gt 4 ]
	then
		echo dispersive routing value must be between 1 and 4
		Usage
	fi
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=$OMPI_MCA_btl_openib_mtu;;
	sid_qlc)
		export OMPI_MCA_mtl_psm_path_query=opp
		export OMPI_MCA_mtl_psm_ib_service_id=$vfsid;;
	*)
		echo Unknown vfselectmethod $vfselectmethod
		Usage;;
esac

if [ "$dsprtg" != "" ]
then
	case $dsprtg in
		1)
			export routing=adaptive;;
		2)
			export routing=static_src;;
		3)
			export routing=static_dest;;
		4)
			export routing=static_base;;
	esac
	export MPI_CMD_ARGS="PSM_PATH_SELECTION=$routing"
fi

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

if [ "$qname" != "" ]
then
	export MOAB_DJOB_QUEUE_ARGS="-q $qname"
fi

if [ ! -d $wrkdir ]
then
    echo "wrk_dir \"$wrkdir\" does not exist"
    Usage
fi

if [ "$wrkdir" != "" ]
then
	export MOAB_DJOB_WRK_DIR_ARGS="-d $wrkdir"
fi

if [ "$mrailmap" != "" ]
then
	. /usr/bin/opagetvf_env
	
	iba_getpsm_func $mrailmap
	if [ $? -ne 0 ]
	then
		echo "Failed to get environment variable for PSM with value \"$mrailmap\""
		Usage
	else
		export MPI_CMD_ARGS="$MPI_CMD_ARGS PSM_MULTIRAIL=1 PSM_MULTIRAIL_MAP=$mrailmap"
	fi
fi

if [ "$MPI_CMD_ARGS" != "" ]
then
	export MPI_CMD_ARGS="-x \"$MPI_CMD_ARGS\""
fi

#
# submit the job from stdin
#
# parameters:
# -E:	Moab adds standard Moab environment variables to the job's environment.
# -l:	Defines the resources that are required by the job and establishes a
#	limit to the amount of resource that can be consumed.
#	   + tpn:    Tasks per node allowed on allocated hosts,
#	   + procs:  Requests a specific amount of processors for the job.
# -q:	Specifies the destination queue (Class) the job should execute in.
# -d:	Specifies which directory the job should execute in.
# -V:	Declares that all environment variables in the msub environment are
#	exported to the batch job.

cat moab.mpi.job.wrapper > .run.openmpi
echo $MPICH_PREFIX/bin/mpirun -np $numprocs -hostfile '.mpi_hosts_file.$$' $MPI_CMD_ARGS $* >> .run.openmpi
msub -E -l procs=$numprocs $MOAB_DJOB_WRK_DIR_ARGS $MOAB_DJOB_QUEUE_ARGS -V .run.openmpi
rm .run.openmpi

exit 0