在我的方案中,我使用“consul”作为键值存储后端,以及另外两个安装了docker的VM。命令我运行这两个虚拟机的码头工人守护进程:Docker - 同一覆盖网络中不同主机中的容器之间的连接
sudo docker daemon -H tcp://0.0.0.0:2375 -H unix:///var/run/docker.sock \
--cluster-store consul://{CONSUL_IP}:8500 --cluster-advertise eth0:2376
也是运行领事的命令是:
sudo docker daemon -H tcp://0.0.0.0:2375 -H unix:///var/run/docker.sock
在此之后,我尝试使用创建网络:
sudo docker network create -d overlay --subnet=192.168.3.0/24 my-overlay
而且在每个虚拟机的我运行一个busybox的容器:
sudo docker run -itd --name containerX --net my-overlay busybox
其中X是A,B是另一个。
这里是 “泊坞窗信息” 从第一VM:
$ sudo docker info
Containers: 4
Running: 2
Paused: 0
Stopped: 2
Images: 3
Server Version: 1.12.3
Storage Driver: aufs
Root Dir: /var/lib/docker/aufs
Backing Filesystem: extfs
Dirs: 17
Dirperm1 Supported: false
Logging Driver: json-file
Cgroup Driver: cgroupfs
Plugins:
Volume: local
Network: overlay bridge host null
Swarm: inactive
Runtimes: runc
Default Runtime: runc
Security Options: apparmor
Kernel Version: 3.13.0-76-generic
Operating System: Ubuntu 14.04.3 LTS
OSType: linux
Architecture: x86_64
CPUs: 1
Total Memory: 1.955 GiB
Name: cs-webserving-4
ID: ESSZ:WBCV:W6NU:ODJ6:3ZIW:QHMH:TEXP:M66M:NYF5:MNWB:H4M7:Z3L6
Docker Root Dir: /var/lib/docker
Debug Mode (client): false
Debug Mode (server): false
Registry: https://index.docker.io/v1/
WARNING: No swap limit support
Cluster Store: consul://10.254.1.92:8500
Cluster Advertise: 10.254.1.123:2376
Insecure Registries:
127.0.0.0/8
这里是另一个VM:
$ sudo docker info
Containers: 4
Running: 2
Paused: 0
Stopped: 2
Images: 3
Server Version: 1.12.3
Storage Driver: aufs
Root Dir: /var/lib/docker/aufs
Backing Filesystem: extfs
Dirs: 17
Dirperm1 Supported: false
Logging Driver: json-file
Cgroup Driver: cgroupfs
Plugins:
Volume: local
Network: overlay host bridge null
Swarm: inactive
Runtimes: runc
Default Runtime: runc
Security Options: apparmor
Kernel Version: 3.13.0-76-generic
Operating System: Ubuntu 14.04.3 LTS
OSType: linux
Architecture: x86_64
CPUs: 1
Total Memory: 1.955 GiB
Name: cs-webserving-3
ID: BTAL:L3LE:BHSX:DQRD:HTC4:KXJE:T772:47TU:4KJZ:NIY4:7WTY:Q6TO
Docker Root Dir: /var/lib/docker
Debug Mode (client): false
Debug Mode (server): false
Registry: https://index.docker.io/v1/
WARNING: No swap limit support
Cluster Store: consul://10.254.1.92:8500
Cluster Advertise: 10.254.1.122:2376
Insecure Registries:
127.0.0.0/8
问题 当我尝试平containerB从containerA,我得不到答案:
sudo docker exec containerB ping -w 5 192.168.3.5
PING 192.168.3.5 (192.168.3.5): 56 data bytes
--- 192.168.3.5 ping statistics ---
5 packets transmitted, 0 packets received, 100% packet loss
哪里192.168.3.5是overlay网络中containerA的IP。 **注:**我也试过名称“containerA”而不是IP,它也没有工作。
我的方案中存在什么问题?任何提示或解决方案,将不胜感激。
你从哪里得到这些IP?你可以在所有的机器上发布'docker network inspect my-overlay'的输出吗? – johnharris85