# docker run -itd  --name centos_m1 centos

# 进入容器

# docker exec -it centos_m1 /bin/bash

# 安装nginx

# rpm -Uvh http://nginx.org/packages/centos/7/noarch/RPMS/nginx-release-centos-7-0.el7.ngx.noarch.rpm

# yum install nginx

# 安装keepalived

# yum install -y gcc openssl-devel popt-devel

# yum -y install ipvsadm

# yum install keepalived

! Configuration File for keepalived

global_defs {

    notification_email {

        xxxx@xx.com

    }

    notification_email_from xxxx@example.com

    smtp_server mail.example.com

    smtp_connect_timeout

    router_id LVS_DEVEL

}

vrrp_script chk_nginx {

    script "/etc/keepalived/nginxcheck.sh"

    interval

    weight -

    fall

    rise

}

vrrp_instance VI_1 {

    state MASTER

    interface eth0

    virtual_router_id

    priority

    advert_int

    authentication {

        auth_type PASS

        auth_pass

    }

    virtual_ipaddress {

        172.17.0.200

    }

    track_script {

       chk_nginx

    }

}

A=`ps -ef | grep nginx | grep -v grep | wc -l`

if [ $A -eq  ];then

    #killall keepalived

    ps -ef|grep keepalived|grep -v grep|awk '{print $2}'|xargs kill

fi

# 增加执行权限

# chmod +x check_nginx.sh

# docker commit centos_m1 centos_keepalived:v1

# docker run --privileged  -tid --name  keepalived_master centos_keepalived:v1 /usr/sbin/init
# 启动keepalived
# systemctl start keepalived.service

# docker run --privileged  -tid --name  keepalived_slave centos_keepalived:v1 /usr/sbin/init
# 启动keepalived
# systemctl start keepalived.service