从Docker容器中访问无业游民的VM

Samuel_vdc

如何在使用Vagrant / Virtualbox的2 centos VM与使用docker for mac的docker容器之间设置网络。他们都需要能够相互访问。

目前,我无法从Docker容器中访问虚拟机。

流浪汉设置:

Vagrant.configure("2") do |config|

   config.vm.define "build" do |build|
      build.vm.box = "centos/7"
      build.vm.provider "virtualbox"
      build.vm.hostname = "server-a"
      build.vm.network "private_network", ip: "192.168.50.4"
   end

   config.vm.define "test" do |test|
      test.vm.box = "centos/7"
      test.vm.provider "virtualbox"
      test.vm.hostname = "server"
      test.vm.network "private_network", ip: "192.168.50.5"
   end
end

虚拟机可以互相访问,但docker容器不能访问虚拟机

docker network create -d bridge --gateway=192.168.50.1 --subnet=192.168.50.1/24 mybridge
docker run --network=mybridge alpine ping 192.168.50.4
=> not able to connect
尼克里格

您需要连接运行docker容器的网络和将无用的VM引导到主机上同一桥设备的网络:

1.创建泊坞窗网络:

docker network create -d bridge --gateway=192.168.50.1
--subnet=192.168.50.1/24 mybridge

Dockerbr-<network_id>在主机上创建具有名称的桥

$ docker network ls | grep mybridge
e13b3ccc6691        mybridge              bridge              local

$ brctl show | grep e13b3ccc6691
br-e13b3ccc6691     8000.024277661b29   no  

$ ip r s | grep e13b3ccc6691
192.168.50.0/24 dev br-e13b3ccc6691  proto kernel  scope link  src 192.168.50.1 linkdown 

2.将无用的VM网络连接到同一网桥设备:

Vagrant.configure("2") do |config|
   config.vm.define "build" do |build|
      build.vm.box = "centos/7"
      build.vm.provider "virtualbox"
      build.vm.hostname = "server-a"
      build.vm.network "public_network", ip: "192.168.50.4", bridge: "br-e13b3ccc6691"
   end

   config.vm.define "test" do |test|
      test.vm.box = "centos/7"
      test.vm.provider "virtualbox"
      test.vm.hostname = "server"
      test.vm.network "public_network", ip: "192.168.50.5", bridge: "br-e13b3ccc6691"
   end
end

3.引导虚拟机:

$ vagrant up

4.mybridge网络中启动docker容器

$ docker run -ti --network=mybridge alpine ping -c2 192.168.50.4
PING 192.168.50.4 (192.168.50.4): 56 data bytes
64 bytes from 192.168.50.4: seq=0 ttl=64 time=0.898 ms
64 bytes from 192.168.50.4: seq=1 ttl=64 time=0.869 ms

--- 192.168.50.4 ping statistics ---
2 packets transmitted, 2 packets received, 0% packet loss
round-trip min/avg/max = 0.869/0.883/0.898 ms

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