#!/bin/bash
# Copyright Huawei Technologies Co., Ltd. 1998-2015. All rights reserved.
# Description
# 该脚本适用于启动、停止、重启tomcat
######################################################################
JVM_MEM_OPT="-server -Xms3072m -Xmx3072m -XX:PermSize=108m -XX:MaxPermSize=256m"
RETURN_CODE_SUCCESS=0
RETURN_CODE_ERROR=1
######################################################################
# DESCRIPTION: 切换到当前目录
# CALLS : 无
# CALLED BY : main
# INPUT : 无
# OUTPUT : 无
# LOCAL VAR : 无
# USE GLOBVAR: 无
# RETURN : 无
# CHANGE DIR : 无
######################################################################
getCurPath()
{
# 1 如果当前目录就是install文件所在位置，直接pwd取得绝对路径
# 2 而如果是从其他目录来调用install的情况，先cd到install文件所在目录,再取得install的绝对路径，并返回至原目录下
# 3 使用install调用该文件，使用的是当前目录路径
if [ "` dirname "$0" `" = "" ] || [ "` dirname "$0" `" = "." ] ; then
CURRENT_PATH="`pwd`"
else
cd ` dirname "$0" `
CURRENT_PATH="`pwd`"
cd - > /dev/null 2>&1
fi
}
start_tomcat()
{
pid=$(ps -ef |grep $INSTANCE_LABEL | grep -v grep | awk '{print $2}')
if [ -n "$pid" ] ; then
logger "console already start"
return 1
fi
export CATALINA_OPTS="$JVM_MEM_OPT -D$INSTANCE_LABEL"
nohup sh ${START_UP_SCRIPT} &
return 0
}
stop_tomcat()
{
export CATALINA_OPTS="-D$INSTANCE_LABEL"
sh "${SHUT_DOWN_SCRIPT}"
while ( true )
do
pid=$(ps -ef |grep $INSTANCE_LABEL | grep -v grep | awk '{print $2}')
if [ -n "$pid" ] ; then
logger "try to kill console"
kill -9 "$pid"
else
break
fi
done
return 0
}
. /etc/profile
getCurPath
cd "${CURRENT_PATH}"
##引入公共模块
. ./util.sh
##新建运行日志文件
LOGGER_PATH=${BASE_LOGGER_PATH}/monitor
LOGGER_FILE=${LOGGER_PATH}/${MODULE_NAME}.log
#初始化
#执行日志目录初始化
initLogDir
##检查用户
chkUser
PROC_NAME="${MODULE_NAME}.main.proc"
INSTANCE_LABEL="tomcat.instance.name=$PROC_NAME"
START_UP_SCRIPT=${TOMCAT_PATH}/bin/startup.sh
SHUT_DOWN_SCRIPT=${TOMCAT_PATH}/bin/shutdown.sh
# 程序无法正常启动时,尝试次数
TOMCAT_LOOP_COUNTER=3
# action
ACTION=$1
shift
# init ret value for exit
RETVAL=0
# ensure action is specficed
[ -z "$ACTION" ] && die "no action is specficed"
# start
start()
{
start_tomcat > /dev/null 2>&1
if [ $? -eq 0 ] ; then
RETVAL=0
logger "Result:start tomcat success"
else
sleep 2
status > /dev/null 2>&1
if [ $? -eq 0 ]; then
RETVAL=0
logger "Result:start tomcat success"
else
RETVAL=-1
logger "Result:start tomcat fail"
fi
fi
cd - >/dev/null 2>&1
}
# status
status()
{
# do some work, such as send one msg to process
if internalStatus >/dev/null ; then
logger "status check: normal"
return 0
else
logger "status check: abnormal"
return 2
fi
}
# stop
stop()
{
stop_tomcat > /dev/null 2>&1
if [ $? -ne 0 ] ;then
logger "Result:stop failed"
RETVAL=-1
else
logger "Result:stop success"
RETVAL=0
fi
cd - >/dev/null 2>&1
}
# restart
restart()
{
stop
sleep 2
start
}
######################################################################
# FUNCTION : check
# DESCRIPTION : 检查程序状态，如果异常则启动程序. 若重复${TOMCAT_LOOP_COUNTER}次启动后，
# 仍然检测状态异常，则返回异常.
# CALLS : 无
# CALLED BY : 无
# INPUT : 无
# OUTPUT : 无
# READ GLOBVAR : 无
# WRITE GLOBVAR: 无
# RETURN : 成功 0
# 失败 2
######################################################################
check()
{
CURRENT_NUMBER=0
for((; CURRENT_NUMBER < ${TOMCAT_LOOP_COUNTER}; CURRENT_NUMBER++));
do
status > /dev/null 2>&1
if [ $? -eq 0 ] ;then
logger "Result:check success, CURRENT_NUMBER is ${CURRENT_NUMBER}"
return 0
else
logger "Result:check failed, CURRENT_NUMBER is ${CURRENT_NUMBER}. it will start."
start > /dev/null 2>&1
sleep 2
fi
done
logger "Result:check failed."
return 2
}
START_CONSOLE_LOCK=/tmp/start_console.lock
STOP_CONSOLE_LOCK=/tmp/stop_console.lock
RESTART_CONSOLE_LOCK=/tmp/restart_console.lock
CHECK_CONSOLE_LOCK=/tmp/check_console.lock
case "$ACTION" in
start)
lockWrapCall "$START_CONSOLE_LOCK" 'start'
;;
stop)
lockWrapCall "$STOP_CONSOLE_LOCK" 'stop'
;;
status)
status
;;
restart)
lockWrapCall "$RESTART_CONSOLE_LOCK" 'restart'
;;
check)
lockWrapCall "$CHECK_CONSOLE_LOCK" 'check'
;;
*)
die $"Usage: $0 {start|stop|status|restart|check}"
esac
exit $RETVAL
