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docker_cli_proxy_test.go

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package main

import (

"net"

"os/exec"

"strings"

"github.com/docker/docker/pkg/integration/checker"

"github.com/go-check/check"

)

func (s *DockerSuite) TestCliProxyDisableProxyUnixSock(c *check.C) {

testRequires(c, DaemonIsLinux)

testRequires(c, SameHostDaemon) // test is valid when DOCKER_HOST=unix://..

cmd := exec.Command(dockerBinary, "info")

cmd.Env = appendBaseEnv(false, "HTTP_PROXY=http://127.0.0.1:9999")

out, _, err := runCommandWithOutput(cmd)

c.Assert(err, checker.IsNil, check.Commentf("%v", out))

}

// Can't use localhost here since go has a special case to not use proxy if connecting to localhost

// See https://golang.org/pkg/net/http/#ProxyFromEnvironment

func (s *DockerDaemonSuite) TestCliProxyProxyTCPSock(c *check.C) {

testRequires(c, SameHostDaemon)

// get the IP to use to connect since we can't use localhost

addrs, err := net.InterfaceAddrs()

c.Assert(err, checker.IsNil)

var ip string

for _, addr := range addrs {

sAddr := addr.String()

if !strings.Contains(sAddr, "127.0.0.1") {

addrArr := strings.Split(sAddr, "/")

ip = addrArr[0]

break

}

}

c.Assert(ip, checker.Not(checker.Equals), "")

err = s.d.Start("-H", "tcp://"+ip+":2375")

c.Assert(err, checker.IsNil)

cmd := exec.Command(dockerBinary, "info")

cmd.Env = []string{"DOCKER_HOST=tcp://" + ip + ":2375", "HTTP_PROXY=127.0.0.1:9999"}

out, _, err := runCommandWithOutput(cmd)

c.Assert(err, checker.NotNil, check.Commentf("%v", out))

// Test with no_proxy

cmd.Env = append(cmd.Env, "NO_PROXY="+ip)

out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "info"))

c.Assert(err, checker.IsNil, check.Commentf("%v", out))

}