linux 浮动ip软件

# 创建一个Docker网络
docker network create my_network

# 启动两个Docker容器
docker run -d --name container1 --network my_network -p 8080:80 nginx
docker run -d --name container2 --network my_network -p 8081:80 nginx

# 配置浮动IP（假设使用Keepalived）
# 在container1上配置Keepalived
docker exec -it container1 /bin/bash
apt-get update && apt-get install -y keepalived
cat <<EOF > /etc/keepalived/keepalived.conf
vrrp_instance VI_1 {
    state MASTER
    interface eth0
    virtual_router_id 51
    priority 100
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1234
    }
    virtual_ipaddress {
        192.168.1.100
    }
}
EOF
keepalived -f /etc/keepalived/keepalived.conf & exit

# 在container2上配置Keepalived
docker exec -it container2 /bin/bash
apt-get update && apt-get install -y keepalived
cat <<EOF > /etc/keepalived/keepalived.conf
vrrp_instance VI_1 {
    state BACKUP
    interface eth0
    virtual_router_id 51
    priority 90
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1234
    }
    virtual_ipaddress {
        192.168.1.100
    }
}
EOF
keepalived -f /etc/keepalived/keepalived.conf & exit