自动安装MySQL脚本

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#!/bin/bash
 
user=mysql
group=mysql
port=3306
basedir=/usr/local/mysql
datadir=/data/mysql/mysql_${port}/data
sourcefile=$1
mysqlprofile=/etc/my.cnf
logfile=/tmp/mysqlinstall.log
nowtime=`date '+%Y-%m-%d %H:%M:%S'`
retval=0
 
Usage(){
  nowtime=`date '+%Y-%m-%d %H:%M:%S'`
  echo -e "\e[0;36m${nowtime}[INFO]:Usage: `basename $0` MySQL_Source_File\e[m"
}
 
if [ $# != 1 ];then
   nowtime=`date '+%Y-%m-%d %H:%M:%S'`
   echo -e "\e[0;36m${nowtime}[ERROR]:INPUT ARGUMENTS ERROR!\e[m"
   Usage
   exit 1
fi
 
[ ! -d $basedir  ]&& mkdir -p $basedir
[ ! -d $datadir  ]&& mkdir -p $datadir
 
content=`ls $basedir`
if [ "x$content" != "x" ];then
   nowtime=`date '+%Y-%m-%d %H:%M:%S'`
   echo -e "\e[0;36m${nowtime}[ERROR]:'$basedir' IS NOT NULL.\e[m"
   exit 1
fi
 
content1=`ls $datadir`
if [ "x$content1" != "x" ];then
   nowtime=`date '+%Y-%m-%d %H:%M:%S'`
   echo -e "\e[0;36m${nowtime}[ERROR]:'$datadir' IS NOT NULL.\e[m"
   exit 1
fi
 
check_port=`netstat -na |grep ":${port}" |awk '{print $4}' |grep ":${port}"`
if [ "x$check_port" != "x" ];then
   nowtime=`date '+%Y-%m-%d %H:%M:%S'`
   echo -e "\e[0;36m${nowtime}[ERROR]:'$port' PORT ALREADY USED!\e[m"
   exit 1
fi
 
if [ ! -f $sourcefile ];then
   nowtime=`date '+%Y-%m-%d %H:%M:%S'`
   echo -e "\e[0;36m${nowtime}[ERROR]:'$sourcefile' IS NOT EXISTS.\e[m"
   Usage
   exit 1
else
   nowtime=`date '+%Y-%m-%d %H:%M:%S'`
   echo -e "\e[0;36m${nowtime}[INFO]:Extract MySQL Install File.\e[m"
   tar xzf $sourcefile --strip-components 1 -C $basedir
   retval=$?
   nowtime=`date '+%Y-%m-%d %H:%M:%S'`
   [ $retval -eq 0 ] && echo -e "\e[0;36m${nowtime}[INFO]:Extract MySQL Install File Complete.\e[m"
fi
 
if [ $retval -ne 0  ];then
   nowtime=`date '+%Y-%m-%d %H:%M:%S'`
   echo -e "\e[0;36m${nowtime}[ERROR]:Extract File ERROR,Please Check Your Package.\e[m"   
   echo 1
fi
 
#create group if not exists  
egrep "^$group" /etc/group >& /dev/null  
if [ $? -ne 0 ]  
then  
    groupadd $group  
    nowtime=`date '+%Y-%m-%d %H:%M:%S'`
    echo -e "\e[0;36m${nowtime}[INFO]:Add Group...\e[m"
fi  
   
#create user if not exists  
egrep "^$user" /etc/passwd >& /dev/null  
if [ $? -ne 0 ]  
then  
    useradd -g $group $user
    nowtime=`date '+%Y-%m-%d %H:%M:%S'`  
    echo -e "\e[0;36m${nowtime}[INFO]:Add User...\e[m"
fi
 
#Create my.cnf
datapath=${datadir%/*}
[ ! -d "${datapath}/tmp"  ] && mkdir -p ${datapath}/tmp
[ ! -d "${datapath}/logs"  ] && mkdir -p ${datapath}/logs
 
 
 
if [ ! -f $mysqlprofile ];then
nowtime=`date '+%Y-%m-%d %H:%M:%S'`
echo -e "\e[0;36m${nowtime}[INFO]:Starting Create my.cnf.\e[m"
cat > $mysqlprofile <  $logfile 2>&1
   retval=$?
fi
 
if [ $retval -ne 0  ];then
   nowtime=`date '+%Y-%m-%d %H:%M:%S'`
   echo -e "\e[0;36m${nowtime}[ERROR]:MySQL Initializing FAIL!\e[m"
   exit 1
fi
#Add env variables
grep "$basedir/bin" /etc/profile > /dev/null 2>&1
if [ $? -ne 0 ];then
   nowtime=`date '+%Y-%m-%d %H:%M:%S'`
   echo  "export PATH=\$PATH:$basedir/bin">>/etc/profile
   source /etc/profile
fi
#start mysql
if [ ! -f "/etc/init.d/mysqld" ];then
    cp $basedir/support-files/mysql.server /etc/init.d/mysqld
    /etc/init.d/mysqld start >/dev/null 2>&1
    retval=$?
fi
 
if [ $retval -eq 0 ];then
   $basedir/bin/mysqladmin -u root password '123456' 2> $logfile
   nowtime=`date '+%Y-%m-%d %H:%M:%S'`
   echo -e "\e[0;36m${nowtime}[INFO]:Starting MySQL.. SUCCESS!\e[m"
   retval=0
else
   nowtime=`date '+%Y-%m-%d %H:%M:%S'`
   echo -e "\e[0;36m${nowtime}[ERROR]:Starting MySQL.. FAIL!\e[m"
   exit 1
fi
 
#setting account security
if [ $retval -eq 0 ];then
mysql -uroot -p123456 2>/dev/null <