论坛 › keepalived › keepalived非抢占式高可用

q3256 发表于 2018-12-31 09:17:23

keepalived非抢占式高可用

master: 192.168.108.18
slave: 192.168.108.19
vip: 192.168.108.17
master: keepalived.conf
global_defs {
    notification_email {
            ****@****.com
    }
    notification_email.from keepalived@localhost.com
    smtp_server ****
    smtp_connect_timeout 30
    route_id LVS_DEVEL
}
vrrp_script chk_nginx_port {
    script "/etc/keepalived/nginx_pid.sh"
    interval 2
}
vrrp_instance VI_1 {
    state BACKUP
    nopreempt
    interface eth0
    virtual_router_id 51
    priority 100
    advert_int 1
    authentication {
      auth_type PASS
      auth_pass 1111
    }
    track_script {
      chk_nginx_port
    }
    virtual_ipaddress {
      192.168.108.17
    }
}
slave: keepalived.conf
global_defs {
    notification_email {
            ****@****.com
    }
    notification_email.from keepalived@localhost.com
    smtp_server ****
    smtp_connect_timeout 30
    route_id LVS_DEVEL
}
vrrp_script chk_nginx_port {
    script "/etc/keepalived/nginx_pid.sh"
    interval 2
}
vrrp_instance VI_1 {
    state BACKUP
    interface eth0
    virtual_router_id 51
    priority 90
    advert_int 1
    authentication {
      auth_type PASS
      auth_pass 1111
    }
    track_script {
      chk_nginx_port
    }
    virtual_ipaddress {
      192.168.108.17
    }
}
/etc/keepalived/nginx_pid.sh
#!/bin/bash
nginx_pid=`ps aux | grep nginx | grep -v grep | grep master | awk '{print $2}'`
if [[ $nginx_pid != "" ]]
then
    exit 0
else
    exit 1
fi

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