(菜汪学docker)docker+macVlan实现容器跨主机

怼烎@ 2022-06-09 05:13 233阅读 0赞

本汪接触macvlan没有几天，还是分享一些我的学习资料吧，学习总结就不好意思给了。

macvlan对于服务器和交换机来说还是有点区别的，下面是大神们的资料

<table style="table-layout:fixed; border-collapse:collapse; border:1px solid #ccc; width:620px">     
 <tbody> 
  <tr style="height:40px"> 
   <td style="word-wrap:break-word">对于交换机来说</td> 
   <td style="word-wrap:break-word; color:rgb(0,56,132)"><a href="http://qiankunli.github.io/2017/01/13/docker_macvlan.html" rel="nofollow">http://qiankunli.github.io/2017/01/13/docker_macvlan.html</a></td> 
  </tr> 
  <tr style="height:40px"> 
   <td style="word-wrap:break-word">&nbsp;</td> 
   <td style="word-wrap:break-word; color:rgb(0,56,132)"><a href="http://www.xuebuyuan.com/1653901.html" rel="nofollow">http://www.xuebuyuan.com/1653901.html</a></td> 
  </tr> 
 </tbody> 
</table>

<table style="table-layout:fixed; border-collapse:collapse; border:1px solid #ccc; width:620px">     
 <tbody> 
  <tr style="height:40px"> 
   <td style="word-wrap:break-word">对于服务器来说</td> 
   <td style="word-wrap:break-word">&nbsp;</td> 
  </tr> 
  <tr style="height:40px"> 
   <td style="word-wrap:break-word">&nbsp;</td> 
   <td style="word-wrap:break-word; color:rgb(0,56,132)"><a href="http://blog.csdn.net/xie_heng/article/details/72862500" rel="nofollow">http://blog.csdn.net/xie_heng/article/details/72862500</a></td> 
  </tr> 
  <tr style="height:40px"> 
   <td style="word-wrap:break-word">&nbsp;</td> 
   <td style="word-wrap:break-word; color:rgb(0,56,132)"><a href="https://docs.docker.com/engine/userguide/networking/get-started-macvlan/" rel="nofollow">https://docs.docker.com/engine/userguide/networking/get-started-macvlan/</a></td> 
  </tr> 
  <tr style="height:40px"> 
   <td style="word-wrap:break-word">&nbsp;</td> 
   <td style="word-wrap:break-word; color:rgb(0,56,132)"><a href="http://www.cnblogs.com/kex1n/p/6138509.html" rel="nofollow">http://www.cnblogs.com/kex1n/p/6138509.html</a></td> 
  </tr> 
 </tbody> 
</table>

下面进去入实验，![偷笑][titter.gif]

上一张比较low的图

![Center][]

<table style="table-layout:fixed; border-collapse:collapse; border:1px solid #ccc; width:620px">     
 <tbody> 
  <tr style="height:40px"> 
   <td style="word-wrap:break-word; background-color:rgb(195,215,152)">macvlan要求</td> 
   <td style="word-wrap:break-word">1、官方说docker 1.12.0以上，但是我用1.11.0也做出来了，不知道什么鬼<br> 2、网卡名字带有 '.'的时候，会被截取，比如eth0.10 会截取为eth0<br> 3、kernel v3.9–3.19 and 4.0以上</td> 
  </tr> 
  <tr style="height:40px"> 
   <td style="word-wrap:break-word">环境配置</td> 
   <td style="word-wrap:break-word">1、添加net.ipv4.ip_forward = 1<br> 2、A:eno33554992网卡:192.168.16.1/24 eno16777736:192.168.0.16/24<br> &nbsp; B:eno33554992网卡:192.168.16.2/24 eno16777736:192.168.0.17/24</td> 
  </tr> 
  <tr style="height:40px"> 
   <td style="word-wrap:break-word">主机A</td> 
   <td style="word-wrap:break-word">docker network create -d macvlan \<br> &nbsp; &nbsp; --subnet=192.168.16.0/24 \<br> &nbsp; &nbsp; --gateway=192.168.16.1 \<br> &nbsp; &nbsp; -o parent=eno33554992 mac16</td> 
  </tr> 
  <tr style="height:40px"> 
   <td style="word-wrap:break-word">主机B</td> 
   <td style="word-wrap:break-word">docker network create -d macvlan \<br> &nbsp; &nbsp; --subnet=192.168.16.0/24 \<br> &nbsp; &nbsp; --gateway=192.168.16.2 \<br> &nbsp; &nbsp; -o parent=eno33554992 mac17</td> 
  </tr> 
  <tr style="height:40px"> 
   <td style="word-wrap:break-word">主机A</td> 
   <td style="word-wrap:break-word">docker run -itd --net=mac16 --ip=192.168.16.6 --name=test16y1 reg.docker.alibaba-inc.com/v2/centos:08.21 /bin/bash<br> docker run -itd --net=mac16 --ip=192.168.16.7 --name=test16y2 reg.docker.alibaba-inc.com/v2/centos:08.21 /bin/bash</td> 
  </tr> 
  <tr style="height:40px"> 
   <td style="word-wrap:break-word">主机B</td> 
   <td style="word-wrap:break-word">docker run -itd --net=mac17 --ip=192.168.16.8 --name=test17y1 reg.docker.alibaba-inc.com/v2/centos:08.21 /bin/bash<br> docker run -itd --net=mac17 --ip=192.168.16.9 --name=test17y2 reg.docker.alibaba-inc.com/v2/centos:08.21 /bin/bash</td> 
  </tr> 
  <tr style="height:40px"> 
   <td style="word-wrap:break-word; background-color:rgb(195,215,152)">测试</td> 
   <td style="word-wrap:break-word">1、容器之间是通的<br> 2、本机的容器网卡和本机的物理网卡是不通的,这是linux系统在实现macvlan时的一个机制，实现网络隔离<br> 3、A容器网卡和B主机的物理网卡是通的</td> 
  </tr> 
  <tr style="height:40px"> 
   <td style="word-wrap:break-word">&nbsp;</td> 
   <td style="word-wrap:break-word">在macvlan中，父网卡可以没有IP，就相当于个交换机的功能</td> 
  </tr> 
 </tbody> 
</table>

各位看官有啥问题，就说哈，不要羞涩。 ![再见][bye.gif]

[titter.gif]: /images/20220609/a6cbb54ca2ae414aae56fe7096d31ec3.png
[Center]: /images/20220609/92d5562abaf444bbad23144b69e1b029.png
[bye.gif]: /images/20220609/6fad7c8a247d4250bc7b331a5d0a0681.png