Question

我想测试一些docker swarm功能，为此我在专用网络中都装有Windows PC和Mac book pro。

我安装了Docker for Windows（Windows 10 pro，使用linux容器），还安装了Docker for mac。

然后我启动了这两个服务器，还配置了路由器以允许它们需要TCP和UDP的端口：

用于节点通信的端口2377 TCP
用于容器网络发现的端口7946 TCP / UDP。
用于容器入口网络的端口4789 UDP。

我也同时停用了PC和Mac上的防火墙。

然后我在Macbook上运行了docker swarm init，这给了我一个加入令牌。

在Windows PC上，我在控制台中输入了join命令，.......失败了！

我收到一条错误消息，结尾为“ ...连接被拒绝”。

那么，您能否给我一些建议或链接，以了解如何通过docker swarm正确连接到本地计算机？我希望对其进行测试，并将其用于本地开发和测试我的应用程序。谢谢！

Mac上的Docker信息

    $ docker info
    Containers: 2
     Running: 2
     Paused: 0
     Stopped: 0
    Images: 185
    Server Version: 18.03.1-ce
    Storage Driver: overlay2
     Backing Filesystem: extfs
     Supports d_type: true
     Native Overlay Diff: true
    Logging Driver: json-file
    Cgroup Driver: cgroupfs
    Plugins:
     Volume: local
     Network: bridge host macvlan null overlay
     Log: awslogs fluentd gcplogs gelf journald json-file logentries splunk syslog
    Swarm: active
     NodeID: v3fhiinezmdbbn98l0s6bgqzo
     Is Manager: true
     ClusterID: o9mcdlgtq37t5r86ganupstez
     Managers: 1
     Nodes: 1
     Orchestration:
      Task History Retention Limit: 5
     Raft:
      Snapshot Interval: 10000
      Number of Old Snapshots to Retain: 0
      Heartbeat Tick: 1
      Election Tick: 10
     Dispatcher:
      Heartbeat Period: 5 seconds
     CA Configuration:
      Expiry Duration: 3 months
      Force Rotate: 0
     Autolock Managers: false
     Root Rotation In Progress: false
     Node Address: 192.168.65.3
     Manager Addresses:
      192.168.65.3:2377
    Runtimes: runc
    Default Runtime: runc
    Init Binary: docker-init
    containerd version: 773c489c9c1b21a6d78b5c538cd395416ec50f88
    runc version: 4fc53a81fb7c994640722ac585fa9ca548971871
    init version: 949e6fa
    Security Options:
     seccomp
      Profile: default
    Kernel Version: 4.9.87-linuxkit-aufs
    Operating System: Docker for Mac
    OSType: linux
    Architecture: x86_64
    CPUs: 4
    Total Memory: 4.095GiB
    Name: linuxkit-025000000001
    ID: 2D57:Q3QP:6UZ2:S6JV:WXLG:JN4H:TR6G:V3C3:P6ZP:2ENA:L7ES:OIJD
    Docker Root Dir: /var/lib/docker
    Debug Mode (client): false
    Debug Mode (server): false
    HTTP Proxy: docker.for.mac.http.internal:3128
    HTTPS Proxy: docker.for.mac.http.internal:3129
    Registry: https://index.docker.io/v1/
    Labels:
    Experimental: false
    Insecure Registries:
     127.0.0.0/8
    Live Restore Enabled: false

Windows中的Docker信息

    $ docker info
    Containers: 0
     Running: 0
     Paused: 0
     Stopped: 0
    Images: 0
    Server Version: 18.09.2
    Storage Driver: overlay2
     Backing Filesystem: extfs
     Supports d_type: true
     Native Overlay Diff: true
    Logging Driver: json-file
    Cgroup Driver: cgroupfs
    Plugins:
     Volume: local
     Network: bridge host macvlan null overlay
     Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
    Swarm: inactive
    Runtimes: runc
    Default Runtime: runc
    Init Binary: docker-init
    containerd version: 9754871865f7fe2f4e74d43e2fc7ccd237edcbce
    runc version: 09c8266bf2fcf9519a651b04ae54c967b9ab86ec
    init version: fec3683
    Security Options:
     seccomp
      Profile: default
    Kernel Version: 4.9.125-linuxkit
    Operating System: Docker for Windows
    OSType: linux
    Architecture: x86_64
    CPUs: 3
    Total Memory: 7.768GiB
    Name: linuxkit-00155d674805
    ID: S7LD:PA6I:QGZR:YFQH:BR62:JS5C:DZLS:C6O3:RZUL:7ZXE:PRI6:HPRD
    Docker Root Dir: /var/lib/docker
    Debug Mode (client): false
    Debug Mode (server): true
     File Descriptors: 22
     Goroutines: 46
     System Time: 2019-04-11T13:28:11.3484452Z
     EventsListeners: 1
    Registry: https://index.docker.io/v1/
    Labels:
    Experimental: false
    Insecure Registries:
     127.0.0.0/8
    Live Restore Enabled: false
    Product License: Community Engine

Docker swarm join命令输出

$ docker swarm join --token SWMTKN-1-5rp7ownwv3ob27vl52ogo8z6d3mbxasdfasdfsadfkrf8hqjk1b5-bi2p5u7i7blk5wepw389sba0w 192.168.x.x:2377
Error response from daemon: rpc error: code = Unavailable desc = all 
SubConns are in TransientFailure, latest connection error: 
connection error: 
desc = "transport: Error while dialing dial tcp 192.168.x.x:2377: 
connect: connection refused"

Answer 1

问题在于，适用于Mac或Windows以及Linux容器的网络泊坞窗是“真正的”泊坞窗。两者都在Linux OS上使用真正的docker引擎工作的虚拟机。如果我是对的，则192.162.65.3不是您Mac的IP，而是某个虚拟mac网络中vm的IP。

基于本文https://docs.docker.com/docker-for-mac/docker-toolbox/和这句话“还请注意，适用于Mac的Docker桌面无法将流量路由到容器，因此您无法从主机直接访问正在运行的容器上的公开端口。 ”在Linux容器上连接Mac和Windows可能并不容易。

我建议您测试一下以获取一些云VM或在Windows上使用docker-machine命令生成多个Linux VM，并在其上设置本地群集以测试所需的功能。

如何通过docker swarm连接两个本地计算机？

1 个答案: