Logstash Wrapper for sFlowtool

logstash-sflowtool-wrapper.sh

#!/bin/bash
#
# Wrapper script for sflowtool when used in pipe input in logstash.
# This wrapper script ensures that the sflowtool is not running prior to start of the sflowtool.

ARGS="$@"
SFLOWTOOL_PID=$(/bin/ps -ef | /bin/grep "/usr/bin/sflowtool $ARGS" | /bin/grep -v "grep" | /bin/awk ' { print $2 } ')

if [ ! -z $SFLOWTOOL_PID ]; then
        kill -s 9 $SFLOWTOOL_PID
fi
/usr/bin/sflowtool "$@"