Nginx高可用集群实战
! Configuration File for keepalivedglobal_defs {
notification_email {
root@localhost
}
notification_email_from keepalived@localhost
smtp_server 127.0.0.1
smtp_connect_timeout 30
router_id node1
vrrp_mcast_group4 224.0.120.18
}
vrrp_script chk_down { #检测此文件下是否存在down这个文件，灰度模式下上线时可使用此
script "[[ -f /etc/keepalived/down ]] && exit 1 || exit 0"
interval 1
weight -5
}
vrrp_script chk_nginx { #检测nginx的健康状态信息
script "killall -0 nginx && exit 0 || exit 1"
interval 1
weight -5
}
vrrp_instance VI_1 {
state MASTER
interface eno16777736
virtual_router_id 53
priority 100
advert_int 1
authentication {
auth_type PASS
auth_pass 9818sss1
}
virtual_ipaddress {
10.1.10.7/16 dev eno16777736
}
track_script {
chk_down
chk_nginx
}
notify_master "/etc/keepalived/notify.sh master"
notify_backup "/etc/keepalived/notify.sh backup"
notify_fault "/etc/keepalived/notify.sh fault"
}
vrrp_instance VI_2 {
state BACKUP
interface eno16777736
virtual_router_id 54
priority 98
advert_int 1
authentication {
auth_type PASS
auth_pass 9818rss1
}
virtual_ipaddress {
10.1.10.77/16 dev eno16777736
}
track_script {
chk_down
chk_nginx
}
notify_master "/etc/keepalived/notify.sh master"
notify_backup "/etc/keepalived/notify.sh backup"
notify_fault "/etc/keepalived/notify.sh fault"
}
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