知识来源：https://www.oldboyedu.com/
[root@db01 ~]#cat /data/3306/mysqld
#!/bin/bash
#
# Define variables
RETVAL=0
Port=3306
User=root
Pass=chenliang
Pid=/data/3306/mysql.pid
Sock=/data/3306/mysql.sock
My=/data/3306/my.cnf
Path=/apps/mysql-5.7.23/bin
# Determine the user to execute
if [ $UID -ne $RETVAL ];then
echo "Must be root to run scripts"
exit 1
fi
# Load the local functions
[ -f /etc/init.d/functions ]&& source /etc/init.d/functions
# Define functions
start(){
if [ ! -f "$Pid" ];then
$Path/mysqld_safe --defaults-file=$My >/dev/null 2>&1 &
RETVAL=$?
if [ $RETVAL -eq 0 ];then
action "Start MySQL [3306]" /bin/true
else
action "Start MySQL [3306]" /bin/false
fi
else
echo "MySQL 3306 is running"
exit 1
fi
return $RETVAL
}
stop(){
if [ -f "$Pid" ];then
$Path/mysqladmin -u$User -p$Pass -S $Sock shutdown >/dev/null 2>&1
RETVAL=$?
if [ $RETVAL -eq 0 ];then
action "Stop MySQL[3306]" /bin/true
else
action "Stop MySQL[3306]" /bin/false
fi
else
echo "MySQL [3306] is not running"
exit 1
fi
return $RETVAL
}
status(){
if [ -f "$Pid" ];then
echo "MySQL [3306] is running"
else
echo "MySQL [3306] is not running"
fi
return $RETVAL
}
# Case call functions
case "$1" in
start)
start
RETVAL=$?
;;
stop)
stop
RETVAL=$?
;;
restart)
stop
sleep 5
start
RETVAL=$?
;;
status)
status
RETVAL=$?
;;
*)
echo "USAGE:$0{start|stop|restart|status}"
exit 1
esac
# Scripts return values
exit $RETVAL