05_docker在centos7上使用pipework配置独立

2017-12-28  本文已影响0人  对方不想理你并向你抛出一个异常

在centos7上安装docker

[root@docker2 ~]# yum list| grep docker
docker.x86_64                               2:1.12.6-68.gitec8512b.el7.centos
docker-client.x86_64                        2:1.12.6-68.gitec8512b.el7.centos
docker-common.x86_64                        2:1.12.6-68.gitec8512b.el7.centos
......

docker版本为1.12.6

CentOS7下Docker桥接网络配置

物理机的IP信息

网卡eth0的ip:192.168.175.211
要桥接的网卡br0的ip:192.168.175.88
网关:192.168.175.2

配置桥接网络
  1. 停止docker服务
    service docker stop

  2. 删除docker0网卡
    ip link set dev docker0 down
    brctl delbr docker0
    如果没有bctl命令,需要安装yum install -y bridge-utils

  3. 新建桥接网卡br0
    brctl addbr br0
    ip link set dev br0 up
    ip addr add 192.168.175.88/24 dev br0

  4. 为br0分配物理网络中的ip地址
    ip addr del 192.168.175.211/24 dev eth0 #将宿主机网卡的IP删除(到这一步会断网)
    brctl addif br0 eth0 #将宿主机网卡挂到br0上
    ip route del default #删除原路由
    route -n
    ip route add default via 192.168.175.2 dev br0 #为br0设置路由

  5. 到这里可以用192.168.175.88连接主机

配置docker
  1. 配置桥接网络
    vim /etc/sysconfig/docker-network,其他系统可能在/etc/sysconfig/docker下哦。
    DOCKER_NETWORK_OPTIONS添加-b=br0,如下:
    DOCKER_NETWORK_OPTIONS="-b=br0"

  2. 配置加速器
    vi /etc/docker/daemon.json

{
        "registry-mirrors": ["你的加速器地址"]
}
  1. 启动docker
    service docker start

  2. 安装pipework

git clone https://github.com/jpetazzo/pipework

如果没有git,请先安装git:yum -y install git

  1. 将pipework拷贝到系统运行目录下
cp ~/pipework/pipework /usr/local/bin/
  1. 启动容器并设置网络
    docker run -itd --net=none --name=cs7.01 centos:latest /bin/bash #创建并启动容器,给容器命名为cs7.01
    pipework br0 cs7.01 192.168.175.89/24@192.168.175.88

  2. 进入容器查看ip
    docker attach cs7.01

[root@f008dfae260f /]# ifconfig
eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.175.89  netmask 255.255.255.0  broadcast 192.168.175.255
        inet6 fe80::d489:3ff:fee2:20a  prefixlen 64  scopeid 0x20<link>
        ether d6:89:03:e2:02:0a  txqueuelen 1000  (Ethernet)
        RX packets 4121  bytes 12249844 (11.6 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 3516  bytes 194671 (190.1 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 0  (Local Loopback)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

[root@f008dfae260f /]# 
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