twemproxy deployment

更新autoconf 

wget http://ftp.gnu.org/gnu/autoconf/autoconf-2.68.tar.xz

xz -d autoconf-2.68.tar.xz

tar -xf autoconf-2.68.tar

cd autoconf-2.68

./configure && make && make install

 

wget https://github.com/twitter/twemproxy/zipball/master --no-check-certificate

unzip master

cd twitter-twemproxy

/usr/local/bin/autoreconf -fiv  #autoreconf 版本要是前面装的版本，不是系统默认版本太旧不支持。

./configure --prefix=/home/twemproxy --enable-debug=log

make && make install

cp -R conf /home/twemproxy/

 

启动脚本(start script)：

 

#! /bin/sh

 

nutcracker_BIN=/home/twemproxy/bin/nutcracker

nutcracker_CONF=/home/twemproxy/conf/nutcracker.yml

nutcracker_PID=/home/twemproxy/nutcracker.pid

 

nutcracker_opts="-d -o /home/twemproxy/nut.log -s 22120 -c $nutcracker_CONF -p $nutcracker_PID -v 5 -m 512"

 

 

wait_for_pid () {

        try=0

 

        while test $try -lt 35 ; do

 

                case "$1" in

                        'created')

                        if [ -f "$2" ] ; then

                                try=''

                                break

                        fi

                        ;;

 

                        'removed')

                        if [ ! -f "$2" ] ; then

                                try=''

                                break

                        fi

                        ;;

                esac

 

                echo -n .

                try=`expr $try + 1`

                sleep 1

 

        done

 

}

 

case "$1" in

        start)

                echo -n "Starting nutcracker "

 

                $nutcracker_BIN $nutcracker_opts

 

                if [ "$?" != 0 ] ; then

                        echo " failed"

                        exit 1

                fi

 

                wait_for_pid created $nutcracker_PID

 

                if [ -n "$try" ] ; then

                        echo " failed"

                        exit 1

                else

                        echo " done"

                fi

        ;;

 

        stop)

                echo -n "Gracefully shutting down nutcracker "

 

                if [ ! -r $nutcracker_PID ] ; then

                        echo "warning, no pid file found - nutcracker is not running ?"

                        exit 1

                fi

 

                kill -QUIT `cat $nutcracker_PID` && rm -rf $nutcracker_PID

 

                wait_for_pid removed $nutcracker_PID

 

                if [ -n "$try" ] ; then

                        echo " Stop failed. "

                        exit 1

                else

                        echo " done"

                fi

        ;;

 

        restart)

                $0 stop

                $0 start

        ;;

 

        reload)

 

                echo -n "Reload service nutcracker "

 

                if [ ! -r $nutcracker_PID ] ; then

                        echo "warning, no pid file found - nutcracker is not running ?"

                        exit 1

                fi

 

                kill -USR2 `cat $nutcracker_PID` && rm -rf $nutcracker_PID

 

                echo " done"

        ;;

 

        *)

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

                exit 1

        ;;

 

esac