Linux環境下，程序通用啟動腳本

#!/bin/sh

#?should?config?first

prog="program?name"???#?like?'kafka'

exec_path="/home/hadoop/local/kafka"???#?like?/home/hadoop/local/kafka

exec="execute?command"??#?execute?command

pidfile="/home/hadoop/local/pids/${prog}.pid"???#?pid?file

log_timestamp_file="/home/hadoop/logs/kafka/$prog"???#?log?timestamp

success()?{

echo?"start?$prog?sucess!"

}

failure()?{

echo?"start?$prog?fail!"

}

start()?{

[?-x?$exec?]?||?exit?5

if?!?[?-f?$pidfile?];?then

printf?"Starting?$prog...?\n"

echo?"$(date)"?>>?$log_timestamp_file

cd?$exec_path

`$exec`

retval=$?

pid=$!

cd?-

echo?$pid?>?$pidfile

if?[?$retval?-eq?0?];?then

success

else

failure

echo

fi

exit?$retval

else

failure

echo

printf?"$pidfile?still?exists...\n"

exit?7

fi

}

stop()?{

echo?-n?$"Stopping?$prog...?\n"

if?[?-f?$pidfile?];?then

kill?$(cat?$pidfile)?&&?rm?-f?$pidfile

retval=$?

echo

return?$retval

fi

return?0

}

restart()?{

stop

start

}

case?"$1"?in

start)

$1

;;

stop)

$1

;;

restart)

$1

;;

*)

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

exit?2

esac

exit?$?

總結

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