rsync daemon模式的 启动脚本

1.1 rsync部署情况

01：利用rsync daemon模式部署的备份服务器:

02：Pid文件的路径: pid file = /var/run/rsyncd.pid

03：rsync守护进程的启动方式为：rsync --daemon

1.2 脚本内容

#!/bin/bash
#
# Define variables
export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
RETVAL=0
Port=873
Pid=/var/run/rsyncd.pid

# Determine the user to execute
if [ "$UID" -ne "$RETVAL" ];then
   echo "Must be root to run scripts"
   exit 1
fi

# Load local functions
[ -f /etc/init.d/functions ] && source /etc/init.d/functions

# Define functions
start(){
        if [ ! -f "$Pid" ];then
           /usr/bin/rsync --daemon
           RETVAL=$?
           if [ $RETVAL -eq 0 ];then
              action "Start Rsync service[$Port]" /bin/true
             else
              action "Start Rsync service[$Port]" /bin/false
           fi
          else
           echo "Rsync service[$Port] is running"
        fi
        return $RETVAL
}

stop(){
        if [ -f "$Pid" ];then
           kill -USR2 $(cat $Pid)
           rm -f $Pid
           RETVAL=$?
           if [ $RETVAL -eq 0 ];then
              action "Start Rsync service[$Port]" /bin/true
             else
              action "Start Rsync service[$Port]" /bin/false
           fi
          else
           echo "Rsync Service[$Port] is not running"
        fi
        return $RETVAL
}

status(){
        if [ -f "$Pid" ];then
           echo "Rsync service[$Port] is running"
          else
           echo "Rsync service[$Port] is nog running"
        fi
        return $RETVAL
}

# Case callf functions
case "$1" in
  start)
        start
        RETVAL=$?
        ;;
  stop)
        stop
        RETVAL=$?
        ;;
  restart)
        stop
        start
        RETVAL=$?
        ;;
  status)
        status
        RETVAL=$?
        ;;
  *)
        echo "USAGE:$0 {start|stop|restart|status}"
        exit 1
esac

# Scripts return values
exit $RETVAL

1.3 执行脚本

[root@backup ~]# /etc/init.d/rsyncd
USAGE:/etc/init.d/rsyncd {start|stop|restart|status}

[root@backup ~]# /etc/init.d/rsyncd status
Rsync service[873] is running

[root@backup ~]# /etc/init.d/rsyncd stop
Start Rsync service[873]                                   [  OK  ]

[root@backup ~]# /etc/init.d/rsyncd start
Start Rsync service[873]                                   [  OK  ]

[root@backup ~]# /etc/init.d/rsyncd restart
Start Rsync service[873]                                   [  OK  ]
Start Rsync service[873]                                   [  OK  ]

[root@backup ~]# netstat -lntup|grep rsync
tcp   0   0 0.0.0.0:873    0.0.0.0:*    LISTEN      2396/rsync         
tcp   0   0 :::873         :::*         LISTEN      2396/rsync