自动安装memcached服务端与PHP扩展Memcached

该脚本基于阿里云服务器安装脚本，并只能运用于centos / aliyun os，该脚本使用时，需要与阿里云安装脚本的install.sh放在同一目录下。有缘人切忌乱用：

 #! /bin/bash
 #by dxd in -
 #only suit for centos/aliyun os, and based on aliyun install script

 PHP_EXT_SOURCE_PATH=""
 PHP_BIN_PATH=/alidata/server/php/bin

 DOWNLOAD_LIBEVENT_URL=http://download.verymall.cn/libevent-1.4.14b.tar.gz
 INSTALL_LIBEVENT_PATH=/alidata/lib/libevent
 NEW_LIBEVENT=""

 DOWNLOAD_MEMCACHE_URL=http://download.verymall.cn/memcached-1.4.25.zip
 INSTALL_MEMCACHE_PATH=/alidata/server/memcache
 MEMCACHE_PORT=
 MEMCACHE_PID_FILE=/tmp/memcached.pid

 CURR_PATH=$(pwd);

 DOWNLOAD_LIBMEMCACHED_URL=http://download.verymall.cn/libmemcached-1.0.18.zip
 INSTALL_LIBMEMCACHED_PATH=/alidata/lib/libmemcached

 DOWNLOAD_PHP_MEMCACHED=http://download.verymall.cn/php_memcached-2.2.0.zip
 PHP_INI_PATH=/alidata/server/php/etc/php.ini

 #check current path auth
 if [ ! -w "$CURR_PATH" ]
 then
     echo "no write"
     exit
 fi

 #check user name
 if [ "$(whoami)" != "root" ]
 then
     echo "please run as root"
     exit
 fi

 #check current path
 if [ "$(ls | grep 'install.sh')" = "" ]
 then
     echo "please put this script where install.sh locates"
     exit
 fi

 #select php ext path
 for dir in $(ls)
 do
     TMP_PATH=$CURR_PATH/$dir/ext
     if [ -d $TMP_PATH ]
     then
         PHP_EXT_SOURCE_PATH=$TMP_PATH
         break
     fi
 done
 if [ -z "$PHP_EXT_SOURCE_PATH" ]
 then
     echo "could not find php install path"
     exit
 fi

 echo -n "php ext source path is $PHP_EXT_SOURCE_PATH , (Y/N): "
 read USER_ANSWER
 until [ "$USER_ANSWER" = "Y" ] || [ "$USER_ANSWER" = "y" ]
 do
     if [ "$USER_ANSWER" = "N" ] || [ "$USER_ANSWER" = "n" ]
     then
         echo "php ext source path is fault, then exit"
         exit
     fi

     echo -n "php ext source path is $PHP_EXT_SOURCE_PATH , (Y/N): "
     read USER_ANSWER
 done

 #maybe gcc is not installed,but it is rare, I'm not going to handle this situation
 which gcc > /dev/null >&
 if [ "$?" != "" ]
 then
     echo "please install gcc first"
     exit
 fi

 #check is port occupied
 if [ -n "$(netstat -ano | grep $MEMCACHE_PORT)" ]
 then
     echo "PORT $MEMCACHE_PORT is occupied, please check"
     if [ -f $MEMCACHE_PID_FILE ]
     then
         echo 'maybe by old memcache server'
         echo "PID: $(cat $MEMCACHE_PID_FILE)"
     fi
     exit
 fi

 #test zip if exist
 unzip > /dev/null >&
 if [ "$?" != "" ]    #not tested yet!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 then
     yum install unzip
 fi

 #clear old memcache files
 if [ -d $INSTALL_MEMCACHE_PATH ]
 then
     rm -rf $INSTALL_MEMCACHE_PATH > /dev/null >&
     if "$?"=""
     then
         echo "$INSTALL_MEMCACHE_PATH could not be removed"
         exit
     fi
 fi

 if [ -d $INSTALL_LIBMEMCACHED_PATH ]
 then
     rm -rf $INSTALL_LIBMEMCACHED_PATH > /dev/null >&
     if "$?"=""
     then
         echo "$INSTALL_LIBMEMCACHED_PATH could not be removed"
         exit
     fi
 fi

 #create lib path
 mkdir /alidata/lib > /dev/null >&

 #install libevent
 libevent=$(ldconfig -p | grep 'libevent')
 if [ -z "$libevent" ]    #not tested yet!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 then
     rm -rf $INSTALL_LIBEVENT_PATH > /dev/null >&
     mkdir $INSTALL_LIBEVENT_PATH
     chmod -R  $INSTALL_LIBEVENT_PATH

     rm -f $CURR_PATH/libevent-1.4.14b.tar.gz
     rm -rf $CURR_PATH/libevent-1.4.14b
     wget $DOWNLOAD_LIBEVENT_URL
     tar -zxvf libevent-1.4.14b.tar.gz
     chmod -R  ./libevent-1.4.14b
     cd ./libevent-1.4.14b
     ./configure --prefix=$INSTALL_LIBEVENT_PATH
     make
     make install

     NEW_LIBEVENT=""
 fi

 cd $CURR_PATH

 #install memcache
 rm -f $CURR_PATH/memcached-1.4..zip
 rm -rf $CURR_PATH/memcached-1.4.
 wget $DOWNLOAD_MEMCACHE_URL
 unzip memcached-1.4..zip
 chmod -R  ./memcached-1.4.
 cd ./memcached-1.4.
 if [ $NEW_LIBEVENT="" ]    #install libevent in this script
 then
     ./configure --prefix=$INSTALL_MEMCACHE_PATH --with-libevent=$INSTALL_LIBEVENT_PATH
 else
     ./configure --prefix=$INSTALL_MEMCACHE_PATH
 fi
 make
 make install 

 #start memcache
 rm -f /tmp/memcached.pid
 $INSTALL_MEMCACHE_PATH/bin/memcached -d -m  -u root -p $MEMCACHE_PORT -c  -P $MEMCACHE_PID_FILE

 cd $CURR_PATH

 #install libmemcached
 rm -f $CURR_PATH/libmemcached-1.0..zip
 rm -rf $CURR_PATH/libmemcached-1.0.
 wget $DOWNLOAD_LIBMEMCACHED_URL
 unzip libmemcached-1.0..zip
 chmod -R  ./libmemcached-1.0.
 cd ./libmemcached-1.0.
 mkdir $INSTALL_LIBMEMCACHED_PATH
 chmod -R  $INSTALL_LIBMEMCACHED_PATH
 ./configure --prefix=$INSTALL_LIBMEMCACHED_PATH --with-memcached
 make
 make install

 cd $CURR_PATH

 #install php extension Memcached
 rm -f $CURR_PATH/php_memcached-2.2..zip
 rm -rf $CURR_PATH/memcached-2.2.
 rm -rf $PHP_EXT_SOURCE_PATH/memcached-2.2.
 wget $DOWNLOAD_PHP_MEMCACHED
 unzip php_memcached-2.2..zip
 chmod -R  ./memcached-2.2.
 mv $CURR_PATH/memcached-2.2. $PHP_EXT_SOURCE_PATH/memcached-2.2.
 cd $PHP_EXT_SOURCE_PATH/memcached-2.2.
 $PHP_BIN_PATH/phpize
 ./configure --enable-memcached --with-php-config=$PHP_BIN_PATH/php-config --with-libmemcached-dir=$INSTALL_LIBMEMCACHED_PATH --disable-memcached-sasl
 make
 make install

 #write php.ini
 memcached_exist=$(cat $PHP_INI_PATH | grep 'memcached.so')
 if [ -z "$memcached_exist" ]
 then
     echo "extension=memcached.so" >> $PHP_INI_PATH
 fi

 cd $CURR_PATH

 #restart php fpm
 /etc/init.d/php-fpm restart

 echo "install successfully"
 exit