socat使用指南：5:打开MacOS上的Remote API服务

我不是女神ヾ 2023-07-17 04:37 6阅读 0赞

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Docker提供了Remote API，可以通过REST方式的接口进行操作，但是在MacOS上Docker Desktop CE的缺省安装，却无法使用，这篇文章继续介绍如何使用socat实现在MacOS上开启Docker Remote API的方式。

# 事前确认 #

*  操作系统版本确认

liumiaocn:~ liumiao$ uname -a
    Darwin liumiaocn 19.2.0 Darwin Kernel Version 19.2.0: Sat Nov  9 03:47:04 PST 2019; root:xnu-6153.61.1~20/RELEASE_X86_64 x86_64
    liumiaocn:~ liumiao$ sw_vers
    ProductName:	Mac OS X
    ProductVersion:	10.15.2
    BuildVersion:	19C57
    liumiaocn:~ liumiao$

*  docker版本确认

liumiaocn:~ liumiao$ docker version
    Client: Docker Engine - Community
     Version:           19.03.5
     API version:       1.40
     Go version:        go1.12.12
     Git commit:        633a0ea
     Built:             Wed Nov 13 07:22:34 2019
     OS/Arch:           darwin/amd64
     Experimental:      false
    
    Server: Docker Engine - Community
     Engine:
      Version:          19.03.5
      API version:      1.40 (minimum version 1.12)
      Go version:       go1.12.12
      Git commit:       633a0ea
      Built:            Wed Nov 13 07:29:19 2019
      OS/Arch:          linux/amd64
      Experimental:     true
     containerd:
      Version:          v1.2.10
      GitCommit:        b34a5c8af56e510852c35414db4c1f4fa6172339
     runc:
      Version:          1.0.0-rc8+dev
      GitCommit:        3e425f80a8c931f88e6d94a8c831b9d5aa481657
     docker-init:
      Version:          0.18.0
      GitCommit:        fec3683
    liumiaocn:~ liumiao$

# 事前确认 #

通过curl可以确认到当前机器在2375端口并未提供REST服务

liumiaocn:~ liumiao$ curl localhost:2375/version
    curl: (7) Failed to connect to localhost port 2375: Connection refused
    liumiaocn:~ liumiao$

# 使用socat开启服务 #

执行如下命令，即可使用socat在2375端口开启Remot API服务

> 执行命令：socat -d TCP-LISTEN:2375,reuseaddr,fork UNIX:/var/run/docker.sock

执行日志如下所示：

liumiaocn:~ liumiao$ socat -d TCP-LISTEN:2375,reuseaddr,fork UNIX:/var/run/docker.sock

注：另外可以结合range进行限定，同时也可以使用镜像方式的socat，也可以结合使用nohup在后台运行，此处不再赘述。

# 结果确认 #

liumiaocn:nodered liumiao$ curl localhost:2375/version 2>/dev/null |jq .
    {
      "Platform": {
        "Name": "Docker Engine - Community"
      },
      "Components": [
        {
          "Name": "Engine",
          "Version": "19.03.5",
          "Details": {
            "ApiVersion": "1.40",
            "Arch": "amd64",
            "BuildTime": "2019-11-13T07:29:19.000000000+00:00",
            "Experimental": "true",
            "GitCommit": "633a0ea",
            "GoVersion": "go1.12.12",
            "KernelVersion": "4.9.184-linuxkit",
            "MinAPIVersion": "1.12",
            "Os": "linux"
          }
        },
        {
          "Name": "containerd",
          "Version": "v1.2.10",
          "Details": {
            "GitCommit": "b34a5c8af56e510852c35414db4c1f4fa6172339"
          }
        },
        {
          "Name": "runc",
          "Version": "1.0.0-rc8+dev",
          "Details": {
            "GitCommit": "3e425f80a8c931f88e6d94a8c831b9d5aa481657"
          }
        },
        {
          "Name": "docker-init",
          "Version": "0.18.0",
          "Details": {
            "GitCommit": "fec3683"
          }
        }
      ],
      "Version": "19.03.5",
      "ApiVersion": "1.40",
      "MinAPIVersion": "1.12",
      "GitCommit": "633a0ea",
      "GoVersion": "go1.12.12",
      "Os": "linux",
      "Arch": "amd64",
      "KernelVersion": "4.9.184-linuxkit",
      "Experimental": true,
      "BuildTime": "2019-11-13T07:29:19.000000000+00:00"
    }
    liumiaocn:nodered liumiao$

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