最近在研究mysql集群，至少要安裝部署2臺(tái)或者多臺(tái)mysql數(shù)據(jù)庫，操作起來即麻煩又很耗時(shí)，今天根據(jù)安裝步驟寫了一個(gè)Shell腳本，只需執(zhí) 行以下腳本就可以快速安裝mysql數(shù)據(jù)庫，對(duì)初學(xué)者或者想學(xué)習(xí)mysql集群的朋友非常方便，即省時(shí)，又省力。

操作系統(tǒng)及其mysql配置文件說明：

Linux系統(tǒng)：Centos5.8

mysql:mysql-5.5.25tar.gz源碼包

安裝目錄：/usr/local/mysql/

數(shù)據(jù)目錄：/data/mysql/3306/data/

二進(jìn)制日志：/data/msyql/3306/binlog/

relay日志：/data/mysql/3306/relaylog/

配置文件：/data/mysql/3306/my.cnf

mysql.sock文件：/data/mysql/3306/mysql.sock

下面是我編寫的一鍵安裝mysql數(shù)據(jù)庫的腳本，如有不對(duì)的地方請(qǐng)多多指教。[root@DB148?sh]#?cat?mysql_install_new_version.sh

#!/bin/bash

#創(chuàng)作日期:2012.6.16

#作者:張世鋒

#Mysql?install?directory?and?configuration?files.

MYSQL_DIR="/data/software"

DATA_DIR="/data/mysql/3306/data"

BASE_DIR="/usr/local/mysql"

echo?"please?input?mysql?version:"

read??VERSION

echo?"Your?mysql?version?is?mysql-$VERSION.tar.gz"

if?[?-e?"$MYSQL_DIR/mysql-$VERSION.tar.gz"?]

then

echo?"Please?waitting..."

sleep?3

#Install?mysql?package?dependent.

yum?-y?install?gcc?gcc-c++?gcc-g77?autoconf?automake?openssl?zlib*?fiex**?libxml*?\

ncurses-devel?libmcrypt*?libtool-ltdl-devel*?&&

#Install?cmake.

echo?"The?system?is?be?installed?cmake,please?waitting..."

sleep?3

tar?-zxvf?$MYSQL_DIR/cmake-2.8.8.tar.gz?-C?$MYSQL_DIR?&&

cd?$MYSQL_DIR/cmake-2.8.8?&&

./configure?\

--prefix=/usr/local/cmake?&&

make?&&?make?install?&&

#creating?mysql?account?and?group.

/usr/sbin/groupadd?mysql?&&

/usr/sbin/useradd?-s?/sbin/nologin?-g?mysql?-M?mysql?&&

#Install?mysql.

tar?-zxvf?$MYSQL_DIR/mysql-$VERSION.tar.gz?-C?$MYSQL_DIR

cd?$MYSQL_DIR/mysql-$VERSION

echo?"PATH=$PATH:/usr/local/cmake/bin"?>>?/etc/profile?&&?source?/etc/profile

cmake?\

$MYSQL_DIR/mysql-$VERSION

-DCMAKE_INSTALL_PREFIX=/usr/local/mysql?\

-DYSQL_TCP_PORT=3306?\

-DMYSQL_DATADIR=$DATA_DIR?\

-DMYSQL_UNIX_ADDR=/data/mysql/3306/mysql.sock?\

-DWITH_MYISAM_STORAGE_ENGINE=1?\

-DWITH_INNOBASE_STORAGE_ENGINE=1?\

-DDEFAULT_CHARSET=utf8?\

-DDEFAULT_COLLATION=utf8_general_ci?\

-DEXTRA_CHARSETS=all?\

-DWITH_DEBUG=0

make?&&?make?install?&&

mkdir?-p?$DATA_DIR

mkdir?-p?`dirname?$DATA_DIR`/binlog

mkdir?-p?`dirname?$DATA_DIR`/relaylog

cp?$MYSQL_DIR/mysql-$VERSION/support-files/my-small.cnf.sh?`dirname?$DATA_DIR`/my.cnf

cp?$MYSQL_DIR/mysql-$VERSION/support-files/mysql.server.sh?/etc/init.d/mysqld

chmod?+x?/etc/init.d/mysqld

sed?-i?'s/^basedir=/basedir=\/usr\/local\/mysql/'?/etc/init.d/mysqld

sed?-i?'s/^datadir=/datadir=\/data\/mysql\/3306/'?/etc/init.d/mysqld

sed?-i?'s/`@HOSTNAME@`/DB148/'?/etc/init.d/mysqld

sh?/usr/local/mysql/scripts/mysql_install_db?--user=mysql?--basedir=/usr/local/mysql?--datadir=$DATA_DIR??&&

/etc/init.d/mysqld?start

else

echo?"Your?input?mysql?version??is?not?in?$MYSQL_DIR"

fi

下面我們測試這個(gè)腳本是否能正常執(zhí)行。

首先新建目錄/data/software,在mysql官方網(wǎng)站下載mysql-5.5.25.tar.gz和cmake源碼包。

接下來我們執(zhí)行mysql安裝腳本，這里要手動(dòng)輸入mysql版本號(hào)碼5.5.25，然后腳本會(huì)自動(dòng)安裝，出去透透風(fēng)，休息休息。

最后查看一下mysql數(shù)據(jù)庫的安裝是否OK，通過查看mysql數(shù)據(jù)庫啟動(dòng)文件，端口，數(shù)據(jù)文件等等都是正常的。

總結(jié)：上面的腳本里面都做了簡單的注釋，下面著重說明一下在安裝過程中容易出錯(cuò)的地方。

1)echo "PATH=$PATH:/usr/local/cmake/bin" >> /etc/profile && source /etc/profile 腳本里面的這行代是修改環(huán)境變量，否則在編譯安裝mysql數(shù)據(jù)庫的時(shí)候出錯(cuò)提示說找不到cmake命令。

2)sed -i 's/^basedir=/basedir=\/usr\/local\/mysql/' /etc/init.d/mysqld和? sed -i 's/^datadir=/datadir=\/data\/mysql\/3306/' /etc/init.d/mysqld 腳本里面的這兩行在mysql啟動(dòng)文件指定mysql數(shù)據(jù)庫的安裝目錄和數(shù)據(jù)目錄存放目錄。

3)sed -i 's/`@HOSTNAME@`/DB148/' /etc/init.d/mysqld 腳本的這行是用mysql服務(wù)器的主機(jī)名替換掉`@HOSTNAME@`，否則在啟動(dòng)數(shù)據(jù)庫的時(shí)候會(huì)提示下面錯(cuò)誤,/etc/init.d/mysqld: line 263: @HOSTNAME@: command not found，但數(shù)據(jù)庫能正常啟動(dòng)。

總結(jié)

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