linux 服务脚本

 #!/bin/bash

 #

 # chkconfig:

 # description: my_SERVICE_NAME is a my Service

 #

 # common function

 . /etc/init.d/functions

 # service bash flag

 IVMS_SERVICE=

 CORE_DUMP_DIR=/var/my_core

 DAEMON_COREFILE_LIMIT=unlimited

 SVC_SYS_DIR=/etc/init.d

 SVC_PROG=my_SERVICE_PROG

 SVC_NAME=my_SERVICE_NAME

 SVC_DIR=my_SERVICE_DIR

 SVC_LOCK_FILE=/var/lock/subsys/$SVC_PROG

 SVC_PID_FILE=/var/run/$SVC_NAME.pid

 # install service, $ service name, $ executable name

 InstallSvc()

 {

     if [ -z "$1" ]; then

         echo $"service name is needed by myservice."

         return -

     fi

     SVC_NAME=$

     SVC_PROG=${:-$SVC_NAME}

     SVC_DIR=`pwd`

     SVC_SYS_FILE=$SVC_SYS_DIR/$SVC_NAME

     if [ ! -f $SVC_DIR/$SVC_PROG ]; then

         echo $"$SVC_DIR/$SVC_PROG does not exist."

         return -

     fi

     echo $"installing $SVC_NAME service, executable file $SVC_DIR/$SVC_PROG ..."

     # set suid_dumpable on

     if [ -e /proc/sys/kernel/suid_dumpable ]; then

         echo  > /proc/sys/kernel/suid_dumpable

     else

         echo  > /proc/sys/fs/suid_dumpable

     fi

     # create core directory

     if [ -d $CORE_DUMP_DIR ]; then

         echo $"$CORE_DUMP_DIR/core-%e-%p-%t" > /proc/sys/kernel/core_pattern

     else

         mkdir $CORE_DUMP_DIR

         echo $"$CORE_DUMP_DIR/core-%e-%p-%t" > /proc/sys/kernel/core_pattern

     fi

     # config sysctl to enable core

     grep "$CORE_DUMP_DIR/core-%e-%p-%t" /etc/sysctl.conf

     if [ $? -ne  ]; then

         echo $"fs.suid_dumpable = 1" >> /etc/sysctl.conf

         echo $"kernel.core_pattern = $CORE_DUMP_DIR/core-%e-%p-%t" >> /etc/sysctl.conf

     fi

     # create service bash

     sed -e "s%my_SERVICE=0%my_SERVICE=1%g" $ | \

     sed -e "s%my_SERVICE_PROG%$SVC_PROG%g" | \

     sed -e "s%my_SERVICE_NAME%$SVC_NAME%g" | \

     sed -e "s%my_SERVICE_DIR%$SVC_DIR%g" > $SVC_SYS_FILE

     chmod u+x $SVC_SYS_FILE

     chmod u+x $SVC_DIR/$SVC_PROG

     chkconfig --add $SVC_NAME

     echo $"install $SVC_NAME service successfully."

     return

 }

 # uninstall service, $ service name

 UninstallSvc()

 {

     if [ -z "$1" ]; then

         echo $"service name is needed by myservice."

         return -

     fi

     SVC_NAME=$

     SVC_SYS_FILE=$SVC_SYS_DIR/$SVC_NAME

     echo $"uninstalling $SVC_NAME service ..."

     # rm service bash

     if [ -f $SVC_SYS_FILE ]; then

         chkconfig --del $SVC_NAME

         rm -f $SVC_SYS_FILE

     else

         warning $"$SVC_NAME service does not exist."

     fi

     echo $"uninstall $SVC_NAME service successfully."

     return

 }

 # start service

 StartSvc()

 {

     echo $"starting $SVC_NAME service ..."

     # set core unlimited, replaced by DAEMON_COREFILE_LIMIT

     #ulimit -c unlimited

     # create lockfile, run program

     touch $SVC_LOCK_FILE

     cd $SVC_DIR

     daemon --pidfile=$SVC_PID_FILE $SVC_DIR/$SVC_PROG -service

     if [ $? -eq  ]; then

         # created by the program

         #pidof $SVC_DIR/$SVC_PROG > $SVC_PID_FILE

         echo $"start $SVC_NAME service successfully."

         return

     else

         echo $"start $SVC_NAME service failure."

         return -

     fi

 }

 # get service status

 IsSvcRunning()

 {

     local pid

     __pids_var_run $SVC_NAME $SVC_PID_FILE

     [ -n "$pid" ] && return  || return

 }

 # stop service

 StopSvc()

 {

     echo $"stopping $SVC_NAME service ..."

     # remove lockfile

     rm -f $SVC_LOCK_FILE

     # wait for exit

     local i RC

     for (( i = ; i < ; i++ )); do

         if IsSvcRunning; then

             sleep

         else

             break

         fi

     done

     if [ $i -eq  ] && IsSvcRunning; then

         killproc -p $SVC_PID_FILE $SVC_NAME

         RC=$?

     else

         rm -f $SVC_PID_FILE

         RC=

     fi

     if [ $RC -eq  ]; then

         echo $"stop $SVC_NAME service successfully."

         return

     else

         echo $"stop $SVC_NAME service failure."

         return -

     fi

 }

 # restart service

 RestartSvc()

 {

     echo $"restarting $SVC_NAME service ..."

     StopSvc

     if [ $? -eq  ]; then

         StartSvc

         if [ $? -eq  ]; then

             echo $"restart $SVC_NAME service successfully."

             return

         fi

     fi

     echo $"restart $SVC_NAME service failure."

     return -

 }

 RETVAL=

 if [ $IVMS_SERVICE -eq  ]; then

     # setup

     case $ in

         install | i)

             InstallSvc $ $

             RETVAL=$?

             ;;

         uninstall | u)

             UninstallSvc $

             RETVAL=$?

             ;;

         *)

             echo $"Usage: $0 {i, install NAME [EXEC] | u, uninstall NAME}"

             ;;

     esac

 else

     # service

     case $ in

         start | r)

             StartSvc

             RETVAL=$?

             ;;

         stop | p)

             StopSvc

             RETVAL=$?

             ;;

         restart | e)

             RestartSvc

             RETVAL=$?

             ;;

         status | s)

             status -p $SVC_PID_FILE $SVC_NAME

             RETVAL=$?

             ;;

         status2)

             IsSvcRunning && echo $"$SVC_NAME service is running." || echo $"$SVC_NAME service has been stopped."

             ;;

         *)

             echo $$"Usage: $0 {start|stop|status|restart}"

             ;;

     esac

 fi

 exit $RETVAL