シェルスクリプト：一定のプロセス数を超えたらサービス再起動

シェルスクリプト

#!/bin/sh

export LANG=c

PROCESS=httpd
PROCESS_COUNT=100

LOG=/var/log/psrestart.log
DATE=`date '+%Y/%m/%d %k:%M:%S'` 

# log file
if [-e $LOG ]; then

	echo "$LOG"

else

	touch $LOG

fi


# process check
AliveProces=`ps -ef | grep $PROCESS | grep -v grep | wc -l`
echo $DATE number of $PROCESS processes ==$AliveProces== >> $LOG 

if [ "$AliveProces" -ge $PROCESS_COUNT ]
then
    echo $DATE Start $PROCESS restart >> $LOG
    service $PROCESS restart
    echo $DATE End $PROCESS restart >> $LOG
else
    echo "no restart"
fi