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docker_cli_proxy_test.go

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package main

import (

"net"

"os/exec"

"strings"

"testing"

)

func TestCliProxyDisableProxyUnixSock(t *testing.T) {

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

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

cmd.Env = appendBaseEnv([]string{"HTTP_PROXY=http://127.0.0.1:9999"})

if out, _, err := runCommandWithOutput(cmd); err != nil {

t.Fatal(err, out)

}

logDone("cli proxy - HTTP_PROXY is not used when connecting to unix sock")

}

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

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

func TestCliProxyProxyTCPSock(t *testing.T) {

testRequires(t, SameHostDaemon)

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

addrs, err := net.InterfaceAddrs()

if err != nil {

t.Fatal(err)

}

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

}

}

if ip == "" {

t.Fatal("could not find ip to connect to")

}

d := NewDaemon(t)

if err := d.Start("-H", "tcp://"+ip+":2375"); err != nil {

t.Fatal(err)

}

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

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

if out, _, err := runCommandWithOutput(cmd); err == nil {

t.Fatal(err, out)

}

// Test with no_proxy

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

if out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "info")); err != nil {

t.Fatal(err, out)

}

logDone("cli proxy - HTTP_PROXY is used for TCP sock")

}