pms_auto_restart

#!/bin/sh

MYNAME=`basename $0`
MYDIR=`dirname $0`
KEY="exited with code 255"
PHPFPMLOG=/var/log/devicemgr/php-fpm.log 
FLAG=/var/tmp/$MYNAME
WORKLOG=/tmp/${MYNAME}.log
RESTARTER="${MYDIR}/pms_full_restart"

IAM=`whoami`
if [ $IAM != "root" ]; then
        echo "use me with sudo"
        exit 0
fi

current=`tail -3 "$PHPFPMLOG" | grep "$KEY" | tail -1 | tr -d ']' | awk '{print $2}'`
if [ "${current}X" = X ]; then
    echo "`date`: working good." >> "$WORKLOG"
    if [ -e "$FLAG" ] ;then rm -rf "$FLAG" ;fi
    exit 0
fi

if [ -f $FLAG ]; then
    previous=`cat $FLAG`
    echo "`date`: current: $current // previous: $previous" >> "$WORKLOG"
    if [ "$current" = "$previous" ]; then
        DoRestart=no
    else
        DoRestart=yes
    fi
else
    echo $current > $FLAG
    echo "`date`: current: $current" >> "$WORKLOG"
    DoRestart=no
fi
echo "`date`: DoRestart: $DoRestart" >> "$WORKLOG"

if [ $DoRestart = yes ]; then
    if [ -x "$RESTARTER" ]; then
        "$RESTARTER" >> "$WORKLOG" 2>&1
        rm -f $FLAG
        mv "$WORKLOG" "${WORKLOG}.previous"
    else
	echo "Not found $RESTARTER" >> "$WORKLOG"
	exit 1
    fi
fi