Shell Programming and Scripting

#! /bin/sh
# chkconfig: 345 99 1
# description: xxx
# processname: Application
#
. /etc/rc.d/init.d/functions

BIN="/projects/user/app/appsysv.sh start $VERSION"
PIDFILE="/projects/user/app/pid.file"
#LOG
LOGFILE="/projects/user/log/app.log"

start()
{
su - user -c "/etc/init.d/app start_internal" &
echo -n "Starting App ... "
echo
}

start_internal()
{
# Remember PID
echo $$ > $PIDFILE
# Exec application
exec $BIN >> $LOGFILE 2>&1
if [ $(cat $PIDFILE) -gt 0 ]; then
ps -p $(cat $PIDFILE) > /dev/null
        if [ $? -eq 0 ]; then
        echo "App started successfully"
        fi
fi
}

stop()
{
if [ -f ${PIDFILE} ]; then
kill $(cat $PIDFILE)
echo -n "App stopped"
echo
fi
}

case "$1" in
start)
start
;;
start_internal)
start_internal
;;
stop)
stop
;;
restart)
stop
start
;;
*)
echo "Usage $0 {start|stop|restart}"
exit 1
esac

#!/bin/sh

#Set Maven
export M2_HOME=/opt/apache-maven-2.2.1
# Set Java environment
export JAVA_HOME=/opt/jdk1.6.0_22
PATH=$JAVA_HOME/bin:$PATH
# Oracle environment
export ORACLE_BASE=/home/oracle/app/oracle
export ORACLE_SID=db
export ORACLE_HOME=/home/oracle/app/oracle/product/11.2.0/client_1
export PATH=$ORACLE_HOME/bin:$PATH
source /projects/tcatnbia/app/nbis-execution/app.cfg
PIDFILE="/projects/user/app/pid.file"
start()
{dformat=`date '+%y%m%d_%H%M%S'`
 export MAVEN_OPTS="-server -Xms512m -Xmx2048m -XX:MaxPermSize=256m  -Xloggc:/projects/user/log/gc-${dformat}.log  -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=7091  -Dcom.sun.management.jmxremote.authenticate=true  -Dcom.sun.management.jmxremote.password.file=app_jmxremote.password  -Dcom.sun.management.jmxremote.access.file=app_jmxremote.access  -Dcom.sun.management.jmxremote.ssl=true  -Djavax.net.ssl.keyStore=nbis_jmx_key  -Djavax.net.ssl.keyStorePassword=123456 -Duser.timezone=$TIMEZONE"
nohup mvn -e -o -Dapp.version=$1 -Dnbis.env=$ENV  -Dlocal.server.file.locn=$LOCAL_SERVER exec:java >  /projects/user/log/app-out.log 2>&1 &
}

stop()
{
if [ -f ${PIDFILE} ]; then
kill `cat $PIDFILE`
echo -n "App stopped"
echo
fi
}

case "$1" in
    start)
        start $2
        ;;
    stop)
        stop
        ;;
    restart)
        stop
        start $2
        ;;
    *)
        echo Usage:
        echo $0 'start [App_version]'
        echo 'or          restart [app_version]'
        echo 'or          stop'
        exit 1
esac
exit 0

# process_to_start
# echo $?

su user -c $cmd

su - user -c $cmd