标签：/etc tps global tab ace dai exit route email
2LVS + keepalived
5 bind dns源站
yum -y install ipvsadm keepalived
lvs增加并发
echo "options ip_vs conn_tab_bits=22" > /etc/modprobe.d/ip_vs.conf 然后重启服务器
cat check_dns_resolve.sh # 该文件加执行权限
#!/bin/bash
# check dns resolve
a_check="check.healthcheck.check"
nslookup_bin="/usr/bin/nslookup"
ns_ip=$1
port=53
timeout=2
function EchoHelp(){
echo "use: ./check_dns_resolve.sh [ip] {port}"
exit 1
}
if [ $2 ]; then
port=$2
fi
if [ $ns_ip -a $a_check ]; then
$nslookup_bin -timeout=${timeout} -port=$port $a_check $ns_ip > /dev/null
else
EchoHelp
fi
exit $?
keepalived_notify.py 参照 https://www.cnblogs.com/linkenpark/p/7416998.html
lvs1 keepalived配置：
cat /etc/keepalived/keepalived.conf
global_defs {
notification_email {
keepalived@qq.com
}
notification_email_from keepalived@qq.com
smtp_server 127.0.0.1
smtp_connect_timeout 30
router_id lvs_canlu
}
vrrp_instance VI_1 {
state BACKUP
interface ens160
virtual_router_id 162
mcast_src_ip 172.16.12.26
priority 100
advert_int 2
authentication {
auth_type PASS
auth_pass sPkdd98m
}
virtual_ipaddress {
172.16.12.30
}
notify_master "/bin/python /tuandai/script/keepalived_notify.py master 172.16.12.26 172.16.12.30"
notify_backup "/bin/python /tuandai/script/keepalived_notify.py backup 172.16.12.26 172.16.12.30"
}
## dns_bind
virtual_server 172.16.12.30 53 {
delay_loop 6
lb_algo lc
lb_kind DR
#persistence_timeout 1
protocol UDP
real_server 172.16.7.14 53 {
weight 10
MISC_CHECK {
misc_path "/usr/bin/sh /etc/keepalived/check_dns_resolve.sh 172.16.7.14"
misc_timeout 5
}
}
real_server 172.16.7.15 53 {
weight 10
MISC_CHECK {
misc_path "/usr/bin/sh /etc/keepalived/check_dns_resolve.sh 172.16.7.15"
misc_timeout 5
}
}
real_server 172.16.7.16 53 {
weight 10
MISC_CHECK {
misc_path "/usr/bin/sh /etc/keepalived/check_dns_resolve.sh 172.16.7.16"
misc_timeout 5
}
}
real_server 172.16.7.17 53 {
weight 10
MISC_CHECK {
misc_path "/usr/bin/sh /etc/keepalived/check_dns_resolve.sh 172.16.7.17"
misc_timeout 5
}
}
real_server 172.16.7.18 53 {
weight 10
MISC_CHECK {
misc_path "/usr/bin/sh /etc/keepalived/check_dns_resolve.sh 172.16.7.18"
misc_timeout 5
}
}
}
lvs2 keepalived配置：
global_defs {
notification_email {
keepalived@qq.com
}
notification_email_from keepalived@qq.com
smtp_server 127.0.0.1
smtp_connect_timeout 30
router_id lvs_canlu
}
vrrp_instance VI_1 {
state BACKUP
interface ens160
virtual_router_id 162
mcast_src_ip 172.16.12.27
priority 99
advert_int 2
authentication {
auth_type PASS
auth_pass sPkdd98m
}
virtual_ipaddress {
172.16.12.30
}
notify_master "/bin/python /tuandai/script/keepalived_notify.py master 172.16.12.27 172.16.12.30"
notify_backup "/bin/python /tuandai/script/keepalived_notify.py backup 172.16.12.27 172.16.12.30"
}
## dns_bind
virtual_server 172.16.12.30 53 {
delay_loop 6
lb_algo lc
lb_kind DR
#persistence_timeout 1
protocol UDP
real_server 172.16.7.14 53 {
weight 10
MISC_CHECK {
misc_path "/usr/bin/sh /etc/keepalived/check_dns_resolve.sh 172.16.7.14"
misc_timeout 5
}
}
real_server 172.16.7.15 53 {
weight 10
MISC_CHECK {
misc_path "/usr/bin/sh /etc/keepalived/check_dns_resolve.sh 172.16.7.15"
misc_timeout 5
}
}
real_server 172.16.7.16 53 {
weight 10
MISC_CHECK {
misc_path "/usr/bin/sh /etc/keepalived/check_dns_resolve.sh 172.16.7.16"
misc_timeout 5
}
}
real_server 172.16.7.17 53 {
weight 10
MISC_CHECK {
misc_path "/usr/bin/sh /etc/keepalived/check_dns_resolve.sh 172.16.7.17"
misc_timeout 5
}
}
real_server 172.16.7.18 53 {
weight 10
MISC_CHECK {
misc_path "/usr/bin/sh /etc/keepalived/check_dns_resolve.sh 172.16.7.18"
misc_timeout 5
}
}
}
标签：/etc tps global tab ace dai exit route email
原文地址：https://www.cnblogs.com/linkenpark/p/8799137.html
