Shell of the enterprise actual work Case 2

Case one:

"LVS Client Node" Development LVS Client Set VIP and Admin script to suppress ARP

Script content:

#!/bin/bash############################################################### file name: lvs_ client.sh# version: v1.0# author: da ya# organization: [email  protected]# created time : 2018# description:######################################## ######################. /etc/init.d/functionsvip= ' Ip a s lo|grep 10.0.0.13|wc -l ' Function start () {  if [  $Vip  -eq 1 ];then     action  ' vip is alreadly exists '  /bin/true  else    ip  addr add 10.0.0.13/32 dev lo    echo -e  ' Net.ipv4.conf.all.arp_ignore = 1\nnet.ipv4.conf.all.arp_announce = 2\nnet.ipv4.conf.lo.arp _ignore = 1\nnet.ipv4.conf.lo.arp_announce = 2 '  >/etc/sysctl.conf     sysctl -p &>/dev/null    action  ' vip is started '  /bin/true  fi}function  Stop () {  ip addr del 10.0.0.13/32 dev lo &>/dev/null   action  ' Vip is delete '  /bin/true}case $1 instart)   Start;; Stop)   Stop;; Restart)   Stop  sleep 1  Start;; *)   echo  "PLEASE INPUT $0 { START|STOP|RESTART }";; Esac

To test:

Case TWO:

The LVS Master node simulates the keepalived Health check function to manage the LVS node,

When the node hangs (detects 2 times, interval 2 seconds) from the server pool, OK (detection 2 times, 2 seconds interval) add in

Tip: Use the IPVSADM command to add and reduce LVS nodes.

Script content:

Shell of the enterprise actual work Case 2