Linux Servers Restart Script

servers-restart.sh

#!/bin/bash

SERVER_DESCRIPTION="Nis Test"
LOG_RESTART="/root/scripts/logs/restart.log"

clear
printf "\n\n\n"
printf "Please, choose server to restart.\n
Available servers : \n
[1] Tomcat\n[2] TomcatDM\n[3] PostgresSQL
[4] ActiveMQ\n[5] Redis\n[6] MongoDB\n\n[0] Exit\n"
echo ______________________________________________________
echo

read -p "Please, choose a server : " op

if [ $op -eq 1 ] 
then 
	### Process ID identification.
	### Among possibly many instances of the same program, (eg. many apache tomcats)
	### the exact instance PID id may be determined using top, htop or ps...
	PROCES_IDENT="/usr/local/tomcat/conf/logging.properties"
	server="Tomcat"
	comm='/etc/init.d/tomcat'
elif [ $op -eq 2 ] 
	then
	PROCES_IDENT="/usr/local/tomcatDM"
	server="TomcatDM"
	comm='/etc/init.d/tomcatDM'
elif [ $op -eq 3 ] 
	then
	PROCES_IDENT="/usr/lib/postgresql/9.3"
	server="TomcatDM"
	comm='/etc/init.d/postgresql'
elif [ $op -eq 4 ] 
	then
    PROCES_IDENT="/usr/local/activemq/apache-activemq"
	server="ActiveMQ"
	comm='service activemq'
elif [ $op -eq 5 ] 
	then
    PROCES_IDENT="/usr/bin/redis-server"
	server="Redis"
	comm='service redis-server'
elif [ $op -eq 6 ] 
	then
    PROCES_IDENT="/usr/bin/mongod"
	server="MongoDB"
	comm='service mongod'
elif [ $op -eq 0 ] 
	then
    printf "Exit\n\n"
    exit
else
    errMsg="There is no server by the chosen number $op"
    echo
    echo $errMsg
    printf "\n\n"
    echo $errMsg >> $LOG_RESTART
    echo "------------------------------------------------------------------" >> $LOG_RESTART
    exit
fi

echo "$SERVER_DESCRIPTION : Server [$server] -> stop : `date '+[%F %X]'` " >> $LOG_RESTART
ps -ef | grep $PROCES_IDENT | awk '{print $2}' | xargs kill -9
echo "$SERVER_DESCRIPTION : Server [$server] -> Waiting for 5 sec to end process tree..." >> $LOG_RESTART
sleep 5
echo "$SERVER_DESCRIPTION : Server [$server] -> start : `date '+[%F %X]'` " >> $LOG_RESTART
echo "------------------------------------------------------------------" >> $LOG_RESTART
sh -c `$comm start`
# echo `$comm start`