Mysql多实例之mysql服务脚本

#init
port=3306
mysql_user="root"
mysql_pwd="cancer"
CmdPath="/application/mysql/bin"
mysql_sock="/data/${port}/mysql.sock"

#startup function
function_start_mysql()
{
 if [ ! -e "$mysql_sock" ];then
  printf "Starting MySQL...\n"
  /bin/sh ${CmdPath}/mysqld_safe --defaults-file=/data/${port}/my.cnf 2>&1 > /dev/null &
 else
  printf "MySQL is running...\n"
 exit
 fi
}


#stop function
function_stop_mysql()
{
      if [ ! -e "$mysql_sock" ];then
        printf "MySQL is stopped...\n"
        exit
      else
        printf "Stoping MySQL...\n"
        ${CmdPath}/mysqladmin -u ${mysql_user} -p${mysql_pwd} -S /data/${port}/mysql.sock shutdown
      fi
}

#restart function
function_restart_mysql()
{
  printf "Restarting MySQL...\n"
  function_stop_mysql
  sleep 2
  function_start_mysql
}


case $1 in 
start)
 function_start_mysql
;;
stop)
 function_stop_mysql
;;
restart)
 function_restart_mysql
;;
*)
  printf "Usage: /data/${port}/mysql {start|stop|restart}\n"
esac

#!/bin/bash
mysql_port=3307
mysql_username="admin"
mysql_password="password"
function_start_mysql()
{
printf "Starting MySQL...\n"
/bin/sh /usr/local/mysql/bin/mysqld_safe --defaults-file=/data/dbdata_${mysql_port}/my.cnf 2>&1 > /dev/null &
}
function_stop_mysql()
{
printf "Stoping MySQL...\n"
/usr/local/mysql/bin/mysqladmin -u ${mysql_username} -p${mysql_password} -S /data/dbdata_${mysql_port}/mysql.sock shutdown
}
function_restart_mysql()
{
printf "Restarting MySQL...\n"
function_stop_mysql
function_start_mysql
}
function_kill_mysql()
{
kill -9 $(ps -ef | grep ‘bin/mysqld_safe‘ | grep ${mysql_port} | awk ‘{printf $2}‘)
kill -9 $(ps -ef | grep ‘libexec/mysqld‘ | grep ${mysql_port} | awk ‘{printf $2}‘)
}
case $1 in
start)
function_start_mysql;;
stop)
function_stop_mysql;;
kill)
function_kill_mysql;;
restart)
function_stop_mysql
function_start_mysql;;
*)
echo "Usage: /data/dbdata_${mysql_port}/mysqld {start|stop|restart|kill}";;
esac