shell mysql5.6安装

#/bin/bash
# mysql install for linux 
# copy to linux 

# if /usr/local/mysql  exists

if [ -e /usr/local/mysql ]
   then 
    #mv /usr/local/mysql mysql.bak
    rm -rf mysql*
fi

if [ -f $HOME/mysql*tar.gz ]
   then
     cp $HOME/mysql*tar.gz  /usr/local
     cd /usr/local 
     tar -xvf mysql*tar.gz
     mv /usr/local/mysql-5.6.23-linux-glibc2.5-x86_64/ mysql
   else 
      echo "the mysql install package is not exists"
fi

# create mysql user 
testuser=mysql
if grep $testuser /etc/passwd 
   then 
      echo "you are $testuser!!" 
      userdel -r mysql
     # rm -rf /home/mysql 
else    
  useradd -r -g dba mysql
      chown -R mysql:dba /usr/local/mysql/
       mysqlpath='export PATH=/usr/local/mysql/bin:$PATH'
       echo $mysqlpath  >> /root/.bash_profile
      # . ./.bash_profile
   #   /usr/local/mysql/scripts/mysql_install_db --user=mysql  --basedir=/usr/local/mysql  --datadir=/usr/local/mysql/data/
     echo "user mysql is created !"
fi

if [ -d /usr/local/mysql ]
   then
   /usr/local/mysql/scripts/mysql_install_db --user=mysql  --basedir=/usr/local/mysql  --datadir=/usr/local/mysql/data/
   echo "mysql install successful"
else
   echo "mysql install filed"
fi

if [ -f /etc/my.cnf ]
   then 
     echo "my.cnf exists!"
     rm -f /etc/my.cnf 
    cp /usr/local/mysql/my.cnf /etc/my.cnf 
addtest='basedir = /usr/local/mysql\n
datadir = /usr/local/mysql/data\n
port = 3306\n
server_id = 1\n
log-bin=mysql-bin'
echo -e $addtest >> /etc/my.cnf

else
    echo "my.conf file is configure filed!"
fi

if [ -f /usr/local/mysql/support-files/mysql.server ]
   then
   rm -f /etc/init.d/mysql/mysql.server
   cp  /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql
else
   cp  /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql

fi

if [ -f /usr/local/mysql/support-files/mysql.server ]
   then 
    service mysql restart
    echo "mysql start successful"
else
    echo "mysql start failed"
fi