自动安装Redis服务端与PHP扩展Redis

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 2015-12
#only suit for centos/aliyun os, and based on aliyun install script

CURR_PATH=$(pwd);

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

DOWNLOAD_TCL_URL=http://download.verymall.cn/tcl8.6.1.zip
INSTALL_TCL_PATH=/alidata/lib/tcl

DOWNLOAD_REDIS_URL=http://download.verymall.cn/redis-3.0.3.zip
DOWNLOAD_REDIS_SCRIPT_URL=http://download.verymall.cn/redis.script
INSTALL_REDIS_PATH=/alidata/server/redis

REDIS_PORT=12302

DOWNLOAD_REDIS_EXT_URL=http://download.verymall.cn/phpredis.zip
PHP_INI_PATH=/alidata/server/php/etc/php.ini

function check_curr_path_auth()
{
    if [ ! -w "$CURR_PATH" ]
    then
        echo "no write"
        exit 1
    fi
}

function check_user_name()
{
    if [ "$(whoami)" != "root" ]
    then
        echo "please run as root"
        exit 1
    fi
}

function is_curr_path_leagal()
{
    if [ "$(ls | grep 'install.sh')" = "" ]
    then
        echo "please put this script where install.sh locates"
        exit 1
    fi
}

function get_php_ext_source_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 1
    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 1
        fi
    
        echo -n "php ext source path is $PHP_EXT_SOURCE_PATH , (Y/N): "
        read USER_ANSWER
    done
}

function check_gcc()
{
    which gcc > /dev/null 2>&1
    if [ "$?" != "0" ]
    then
        echo "please install gcc first"
        exit 1
    fi
}

function check_redis_port()
{
    if [ -n "$(lsof -i:$REDIS_PORT)" ]
    then
        echo "PORT $REDIS_PORT is occupied"
        exit 1
    fi
}

function check_unzip()    #not tested yet!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
{
    unzip > /dev/null 2>&1
    if [ "$?" != "0" ]
    then
        yum install unzip
    fi
}

function check_alidata_path()
{
    if [ ! -d /alidata ]
    then
        mkdir /alidata
    fi

    if [ ! -d /alidata/lib ]
    then
        mkdir /alidata/lib
    fi

    if [ ! -d /alidata/server ]
    then
        echo "alidata server has not been installed"
        exit 1
    fi
}

function install_tcl_lib()
{
    if [ -n "$(ldconfig -p | grep 'libtcl8.6')" ]
    then
        return 0
    fi

    if [ -d $INSTALL_TCL_PATH ]
    then
        rm -rf $INSTALL_TCL_PATH
    fi
    mkdir $INSTALL_TCL_PATH
    chmod -R 0777 $INSTALL_TCL_PATH

    if [ -d ./tcl8.6.1 ]
    then
        rm -rf ./tcl8.6.1
    fi

    if [ -a ./tcl8.6.1.zip ] && [ -n "$(md5sum ./tcl8.6.1.zip | grep 'f3d76fa9f96eab32e2f2655dd48a21a8')" ]
    then
        echo "tcl8.6.1.zip exist"
    else
        rm -f ./tcl8.6.1.zip
        wget $DOWNLOAD_TCL_URL    
    fi

    unzip ./tcl8.6.1.zip
    chmod -R 0777 ./tcl8.6.1
    cd ./tcl8.6.1/unix
    ./configure --prefix=$INSTALL_TCL_PATH --without-tzdata --mandir=/usr/share/man $([ $(uname -m) = x86_64 ] && echo --enable-64bit)
    make
    sed -e "s@^(TCL_SRC_DIR=').*@1/usr/include'@" -e "/TCL_B/s@='(-L)?.*unix@='1/usr/lib@" -i tclConfig.sh
    make install
    make install-private-headers
    ln -v -sf tclsh8.6 /usr/bin/tclsh
    ln -s $INSTALL_TCL_PATH/lib/libtcl8.6.so /usr/lib/libtcl8.6.so
    chmod 0755 $INSTALL_TCL_PATH/lib/libtcl8.6.so
    chmod -v 755 /usr/lib/libtcl8.6.so
    ldconfig

    cd $CURR_PATH
}

function install_redis()
{
    if [ -d $INSTALL_REDIS_PATH ]
    then
        rm -rf $INSTALL_REDIS_PATH
    fi
    mkdir $INSTALL_REDIS_PATH
    chmod -R 0777 $INSTALL_REDIS_PATH

    if [ -d ./redis-3.0.3 ]
    then
        rm -rf ./redis-3.0.3
    fi

    if [ -a ./redis-3.0.3.zip ] && [ -n "$(md5sum ./redis-3.0.3.zip | grep '05c5e89354bd14f1eb2dfbc88dec24ae')" ]
    then
        echo "redis-3.0.3.zip exist"
    else
        rm -f ./redis-3.0.3.zip
        wget $DOWNLOAD_REDIS_URL    
    fi

    unzip ./redis-3.0.3.zip
    chmod -R 0777 ./redis-3.0.3
    cd ./redis-3.0.3
    make
    make install
    
    
    sed "s/port 6379/port $REDIS_PORT/g" ./redis.conf >  $INSTALL_REDIS_PATH/redis.conf
    sed -i "s/daemonize no/daemonize yes/g" $INSTALL_REDIS_PATH/redis.conf > /dev/null 2>&1
    
    #start up redis
    redis-server $INSTALL_REDIS_PATH/redis.conf

    cd $CURR_PATH
}

function install_dos2unix()
{
    which dos2unix > /dev/null 2>&1
    if [ "$?" != "0" ]
    then
        yum install dos2unix
    fi
}

function create_init_script()
{
    rm -f /etc/rc.d/init.d/redis
    wget $DOWNLOAD_REDIS_SCRIPT_URL -O /etc/rc.d/init.d/redis
    chmod 0777 /etc/rc.d/init.d/redis
    chmod +x /etc/rc.d/init.d/redis
    dos2unix /etc/rc.d/init.d/redis

    chkconfig --add redis
    chkconfig --level 2345 redis on

    service redis restart
}

function install_php_redis_ext()
{
    if [ -d ./phpredis ]
    then
        rm -rf ./phpredis
    fi

    if [ -d $PHP_EXT_SOURCE_PATH/ext/redis ]
    then
        rm -rf $PHP_EXT_SOURCE_PATH/ext/redis
    fi

    if [ -a ./phpredis.zip ] && [ -n "$(md5sum ./phpredis.zip | grep '1a6eef0989cab3b34eebc45e3f6d9b71')" ]
    then
        echo "php redis exist"
    else
        wget $DOWNLOAD_REDIS_EXT_URL
    fi

    unzip ./phpredis.zip
    chmod -R 0777 ./phpredis
    mv ./phpredis $PHP_EXT_SOURCE_PATH/redis

    cd $PHP_EXT_SOURCE_PATH/redis
    $PHP_BIN_PATH/phpize
    ./configure --with-php-config=$PHP_BIN_PATH/php-config 
    make 
    make install 

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

    cd $CURR_PATH
}

function restart_php_fpm()
{
    /etc/init.d/php-fpm restart
}

check_curr_path_auth
check_user_name
is_curr_path_leagal
get_php_ext_source_path
check_gcc
check_redis_port
check_unzip
check_alidata_path
install_tcl_lib
install_redis
install_dos2unix
create_init_script
install_php_redis_ext
restart_php_fpm

echo "redis install successfully"
exit 0