# wget https://github.com/jpetazzo/pipework/archive/master.zip # unzip pipework-master.zip # cp pipework-master/pipework /usr/local/bin/ # chmod +x /usr/local/bin/pipework 创建none模式的容器,为其分配IP。 #ip a show docker0 #docker run -idt --name test --net=none resin #pipework docker0 test 172.17.42.100/16@172.17.42.1 #docker attach test
[yaxin@cube2x ~]$docker run -i -t --rm --net='none' ubuntu /bin/bash
root@db84e747c362:/# ifconfig -a
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
root@db84e747c362:/#
[yaxin@cube2x ~]$docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
db84e747c362 docker.cn/docker/ubuntu:latest "/bin/bash" 4 minutes ago Up 4 minutes sharp_kirch
[yaxin@cube2x ~]$docker inspect -f "{{.State.Pid}}" sharp_kirch
23090
[yaxin@cube2x ~]$sudo ln -s /proc/23090/ns/net /var/run/netns/23090
[yaxin@cube2x ~]$sudo ip link add veth_db84e747c3 type veth peer name X [yaxin@cube2x ~]$sudo brctl addif docker0 veth_db84e747c3 [yaxin@cube2x ~]$sudo ip link set veth_db84e747c3 up [yaxin@cube2x ~]$sudo ip link set X netns 23090
root@db84e747c362:/# ifconfig -aX Link encap:Ethernet HWaddr 5a:7e:4d:ba:63:1c
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
[yaxin@cube2x ~]$sudo ip netns exec 23090 ip link set dev X name eth0 [yaxin@cube2x ~]$sudo ip netns exec 23090 ip link set eth0 up [yaxin@cube2x ~]$sudo ip netns exec 23090 ip addr add 172.17.111.10/16 dev eth0 [yaxin@cube2x ~]$sudo ip netns exec 23090 ip route add default via 172.17.42.1
#!/usr/bin/env bash# filename: bind_addr.sh
if [ `id -u` -ne 0 ];then
echo '必须使用root权限'
exitfi
if [ $# != 2 ]; then
echo "使用方法: $0 容器名字 IP"
exit 1fi
container_name=$1bind_ip=$2
container_id=`docker inspect -f '{{.Id}}' $container_name 2> /dev/null`
if [ ! $container_id ];then
echo "容器不存在"
exit 2fibind_ip=`echo $bind_ip | egrep '^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]).){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$'`
if [ ! $bind_ip ];then
echo "IP地址格式不正确"
exit 3fi
container_minid=`echo $container_id | cut -c 1-10`
container_netmask=`ip addr show docker0 | grep "inetb" | awk '{print $2}' | cut -d / -f2`
container_gw=`ip addr show docker0 | grep "inetb" | awk '{print $2}' | cut -d / -f1`
bridge_name="veth_$container_minid"
container_ip=$bind_ip/$container_netmask
pid=`docker inspect -f '{{.State.Pid}}' $container_name 2> /dev/null`
if [ ! $pid ];then
echo "获取容器$container_name的id失败"
exit 4fi
if [ ! -d /var/run/netns ];then
mkdir -p /var/run/netns
fi
ln -sf /proc/$pid/ns/net /var/run/netns/$pid
ip link add $bridge_name type veth peer name X
brctl addif docker0 $bridge_name
ip link set $bridge_name up
ip link set X netns $pid
ip netns exec $pid ip link set dev X name eth0
ip netns exec $pid ip link set eth0 up
ip netns exec $pid ip addr add $container_ip dev eth0
ip netns exec $pid ip route add default via $container_gw
运行并写入ip和容器名称
配置容器与主机IP同一网段
先配置主机br0
vi /etc/sysconfig/network-scripts/ifcfg-br0
DEVICE=br0
TYPE=Bridge
BOOTPROTO=static
ONBOOT=yes
DELAY=0
STP=yes
IPADDR=192.168.2.111
NETMASK=255.255.255.0
GATEWAY=192.168.2.1
/etc/init.d/network restart
docker run -itd --name test centos /bin/bash
pipework br0 test 192.168.2.201/24@192.168.2.1
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