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File prun of Package prun-ohpc

#!/bin/bash
#-------------------------------------------------------------------------------
# Copyright (c) 2015, Intel Corporation
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
#     * Redistributions of source code must retain the above copyright notice,
#       this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above copyright
#       notice, this list of conditions and the following disclaimer in the
#       documentation and/or other materials provided with the distribution.
#     * Neither the name of Intel Corporation nor the names of its contributors
#       may be used to endorse or promote products derived from this software
#       without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#-------------------------------------------------------------------------------

CONFIG=/etc/sysconfig/prun
MODE=native
LOGLEVEL=2     # 0=error,1=warn,2=info,3=debug
RM=slurm

function usage () {

echo " "
    echo "This utility can be use to launch parallel (MPI) applications within "
    echo "a supported resource manager."
    echo " "
    echo "Usage: $DELIM <options> executable [arguments]"
    echo " "
    echo "where available options are as follows:"
    echo " "
    echo "  -h        generate help message and exit"
    echo " "
    exit 1
}

function parse_config_file () {

if [ -e $CONFIG ];then
        source $CONFIG 2> /dev/null
    fi
}

function _error () {
    if [ $LOGLEVEL -ge 0 ];then
        echo -n "[$DELIM] Error: "
        echo "$@"
    fi
}

function _warn () {
    if [ $LOGLEVEL -ge 1 ];then
        echo -n "[$DELIM] "
        echo "$@"
    fi
}

function _info () {
    if [ $LOGLEVEL -ge 2 ];then
        echo -n "[$DELIM] "
        echo "$@"
    fi
}

function _debug () {
    if [ $LOGLEVEL -ge 3 ];then
        echo -n "[$DELIM] "
        echo "$@"
    fi
}

function verify_launcher_avail () {
    if [ ! $(type -P "$1") ];then
        _error "Expected Job launcher $1 not found for $LMOD_FAMILY_MPI"
        exit 1
    fi
}

function launch_impi () {
    if [ $MODE == "native" ];then
        LAUNCHER="mpiexec.hydra"
        verify_launcher_avail $LAUNCHER

cmd="$LAUNCHER -bootstrap slurm $@"
        _info "Launch cmd = $cmd"
        $cmd
    fi
}

function launch_mvapich2 () {
    if [ $MODE == "native" ];then

LAUNCHER="mpiexec.hydra"
        verify_launcher_avail $LAUNCHER

cmd="$LAUNCHER -bootstrap slurm $@"
        _info "Launch cmd = $cmd"
        $cmd

local _status=$?

return $_status
    fi
}

function launch_openmpi () {
    if [ $MODE == "native" ];then
        LAUNCHER="mpirun"
        verify_launcher_avail $LAUNCHER

cmd="mpirun $@"
        _info "Launch cmd = $cmd"
        $cmd
    fi
}

DELIM=prun

# Parse command-line args

while getopts ":h" opt; do
    case $opt in
	h)
	    usage
	    ;;
	\?)
	    echo "Invalid option: -$OPTARG" >&2
	    exit 1
	    ;;
    esac
done

if [ $# -lt 1 ];then
    usage
fi

parse_config_file

EXEC=$1
shift
ARGS=$@

if ! [ -x "$(command -v $EXEC)" ];then
    if [ ! -x $EXEC ];then
        _error "Unable to access executable -> $EXEC"
        exit 1
    fi
fi

if [ -z $LMOD_FAMILY_MPI ];then
    _error "LMOD_FAMILY_MPI environment variable must be set to desired MPI runtime"
    exit 1
fi

masterHost=`hostname -s`
_info "Master compute host = $masterHost"

if [ $LMOD_FAMILY_MPI == "impi" ];then
    launch_impi $EXEC $ARGS
elif [ $LMOD_FAMILY_MPI == "mvapich2" ];then
    launch_mvapich2 $EXEC $ARGS
elif [ $LMOD_FAMILY_MPI == "openmpi" ];then
    launch_openmpi $EXEC $ARGS
else
    _error "Unsupported or unknown MPI family -> $LMOD_FAMILY_MPI"
fi

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