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  • Linux之Bash_Script_Program_002

    Ugly Bash 脚本一枚,用于配置LVS的DR模型(VIP/RIP/DIP同网段)。

    Zero价值,Just 为了实验的时候少敲键盘 :)。

    1.配置RealServer

    #!/bin/bash
    #
    #Configure real server
    
    VIP="192.168.1.200"
    
    #config arp stuff
    echo -e "E[1;36mStart configure ARP E[0m"
    echo 1 > /proc/sys/net/ipv4/conf/all/arp_ignore
    echo 2 > /proc/sys/net/ipv4/conf/all/arp_announce
    echo 1 > /proc/sys/net/ipv4/conf/lo/arp_ignore
    echo 2 > /proc/sys/net/ipv4/conf/lo/arp_announce
    echo 1 > /proc/sys/net/ipv4/ip_forward
    sleep 1
    echo -e "E[1;36mDone. E[0m"
    
    #config VIP
    echo -e "E[1;36mStart configure VIP. E[0m"
    ifconfig lo:0 down > /dev/null 2>&1
    route del -host $VIP > /dev/null 2>&1
    ifconfig lo:0 $VIP netmask 255.255.255.255 broadcast $VIP up
    route add -host $VIP dev lo:0
    sleep 1
    echo -e "E[1;36mDone. E[0m"
    
    #stop iptables
    echo -e "E[1;36mStop iptables.E[0m"
    service iptables stop
    sleep 1
    echo -e "E[1;36mDone.E[0m"
    
    #start httpd
    echo -e "E[1;36mStart httpd.E[0m"
    service httpd stop > /dev/null 2>&1
    service httpd start > /dev/null 2>&1
    sleep 1
    echo -e "E[1;36mDone.E[0m"

    2.配置Director

    #!/bin/bash
    #
    #Configure Director
    
    VIP="192.168.1.200"
    RIPArray=("192.168.1.201" "192.168.1.202")
    PORT=80
    IFACE="eth0:0"
    
    ifconfig $IFACE down > /dev/null 2>&1
    route del -host $VIP > /dev/null 2>&1
    service iptables stop > /dev/null 2>&1
    
    ipconfig $IFACE $VIP netmask 255.255.255.255 broadcast $VIP up
    route add -host $VIP dev $IFACE
    
    echo -e "E[1;36mConfigure DirectorE[0m"
    ipvsadm -A -t $VIP:$PORT -s rr
    for i in `seq 0 $((${#RIPArray[*]}-1))`;do
            [ -n ${RIPArray[$i]} ] && ipvsadm -a -t $VIP:$PORT -r ${RIPArray[$i]}:$PORT -g
            sleep 1
    done
    echo 1 > /proc/sys/net/ipv4/ip_forward
    echo -e "E[1;36mDone.E[0m"

     PS:有copy需求的小伙伴请自行修改:)。

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  • 原文地址:https://www.cnblogs.com/orcsir/p/8588589.html
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