【Shell】Linuxでjavaプログラムを起動する汎用スクリプトsh
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#!/bin/sh
# Linux java 。 service ,
# java 。
#
#Author: tudaxia.com, Date: 2011/6/7
#
# !!!: stop kill java 。
# , 。 , ,
# 。 , ,
# kill 。
#
#
###################################
#
# Java
###################################
#JDK
JAVA_HOME="/usr/java/jdk"
# , , root
RUNNING_USER=root
#Java (classes )
APP_HOME=/opt/tudaxia/test/WEB-INF
# Java (main )
APP_MAINCLASS=com.tudaxia.test.TestMain
# classpath , lib jar
CLASSPATH=$APP_HOME/classes
for i in "$APP_HOME"/lib/*.jar; do
CLASSPATH="$CLASSPATH":"$i"
done
#java
JAVA_OPTS="-ms512m -mx512m -Xmn256m -Djava.awt.headless=true -XX:MaxPermSize=128m"
###################################
#( )
#
# :
# JDK JPS grep , pid
#jps l , java
# awk, pid ($1 ), Java ($2 )
###################################
# psid ( )
psid=0
checkpid() {
javaps=`$JAVA_HOME/bin/jps -l | grep $APP_MAINCLASS`
if [ -n "$javaps" ]; then
psid=`echo $javaps | awk '{print $1}'`
else
psid=0
fi
}
###################################
#( )
#
# :
#1. checkpid , $psid
#2. ($psid 0),
#3. ,
#4. , checkpid
#5. 4 pid, [OK], [Failed]
# :echo -n ,
# : "nohup >/dev/null 2>&1 &"
###################################
start() {
checkpid
if [ $psid -ne 0 ]; then
echo "================================"
echo "warn: $APP_MAINCLASS already started! (pid=$psid)"
echo "================================"
else
echo -n "Starting $APP_MAINCLASS ..."
JAVA_CMD="nohup $JAVA_HOME/bin/java $JAVA_OPTS -classpath $CLASSPATH $APP_MAINCLASS >/dev/null 2>&1 &"
su - $RUNNING_USER -c "$JAVA_CMD"
checkpid
if [ $psid -ne 0 ]; then
echo "(pid=$psid) [OK]"
else
echo "[Failed]"
fi
fi
}
###################################
#( )
#
# :
#1. checkpid , $psid
#2. ($psid 0), , ,
#3. kill -9 pid
#4. kill , : $?
#5. 4 $? 0, [OK], [Failed]
#6. java , , ( stop)。
# :echo -n ,
# : shell ,"$?"
###################################
stop() {
checkpid
if [ $psid -ne 0 ]; then
echo -n "Stopping $APP_MAINCLASS ...(pid=$psid) "
su - $RUNNING_USER -c "kill -9 $psid"
if [ $? -eq 0 ]; then
echo "[OK]"
else
echo "[Failed]"
fi
checkpid
if [ $psid -ne 0 ]; then
stop
fi
else
echo "================================"
echo "warn: $APP_MAINCLASS is not running"
echo "================================"
fi
}
###################################
#( )
#
# :
#1. checkpid , $psid
#2. ($psid 0), pid
#3. ,
###################################
status() {
checkpid
if [ $psid -ne 0 ]; then
echo "$APP_MAINCLASS is running! (pid=$psid)"
else
echo "$APP_MAINCLASS is not running"
fi
}
###################################
#( )
###################################
info() {
echo "System Information:"
echo "****************************"
echo `head -n 1 /etc/issue`
echo `uname -a`
echo
echo "JAVA_HOME=$JAVA_HOME"
echo `$JAVA_HOME/bin/java -version`
echo
echo "APP_HOME=$APP_HOME"
echo "APP_MAINCLASS=$APP_MAINCLASS"
echo "****************************"
}
###################################
# ($1),
# :{start|stop|restart|status|info}
# ,
###################################
case "$1" in
'start')
start
;;
'stop')
stop
;;
'restart')
stop
start
;;
'status')
status
;;
'info')
info
;;
*)
echo "Usage: $0 {start|stop|restart|status|info}"
exit 1