From e25e077a2030aa7c438a993085e6aefcd337ca19 Mon Sep 17 00:00:00 2001
From: Nicolas De Loof <nicolas.deloof@gmail.com>
Date: Thu, 22 Aug 2019 16:39:21 +0200
Subject: [PATCH] restore support for env variables to configure proxy
 regression introduced by b34f34 close #39654

Signed-off-by: Nicolas De Loof <nicolas.deloof@gmail.com>
---
 cli/command/cli_test.go    | 19 +++++++++++++++++++
 cli/context/docker/load.go |  2 +-
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/cli/command/cli_test.go b/cli/command/cli_test.go
index 926d43f2ddf7..34d0c219cafb 100644
--- a/cli/command/cli_test.go
+++ b/cli/command/cli_test.go
@@ -6,6 +6,7 @@ import (
 	"crypto/x509"
 	"fmt"
 	"io/ioutil"
+	"net/http"
 	"os"
 	"runtime"
 	"testing"
@@ -79,6 +80,24 @@ func TestNewAPIClientFromFlagsWithAPIVersionFromEnv(t *testing.T) {
 	assert.Check(t, is.Equal(customVersion, apiclient.ClientVersion()))
 }
 
+func TestNewAPIClientFromFlagsWithHttpProxyEnv(t *testing.T) {
+	defer env.Patch(t, "HTTP_PROXY", "http://proxy.acme.com:1234")()
+	defer env.Patch(t, "DOCKER_HOST", "tcp://docker.acme.com:2376")()
+
+	opts := &flags.CommonOptions{}
+	configFile := &configfile.ConfigFile{}
+	apiclient, err := NewAPIClientFromFlags(opts, configFile)
+	assert.NilError(t, err)
+	transport, ok := apiclient.HTTPClient().Transport.(*http.Transport)
+	assert.Assert(t, ok)
+	assert.Assert(t, transport.Proxy != nil)
+	request, err := http.NewRequest(http.MethodGet, "tcp://docker.acme.com:2376", nil)
+	assert.NilError(t, err)
+	url, err := transport.Proxy(request)
+	assert.NilError(t, err)
+	assert.Check(t, is.Equal("http://proxy.acme.com:1234", url.String()))
+}
+
 type fakeClient struct {
 	client.Client
 	pingFunc   func() (types.Ping, error)
diff --git a/cli/context/docker/load.go b/cli/context/docker/load.go
index b7288bd1d4b4..c85d4b6d36ab 100644
--- a/cli/context/docker/load.go
+++ b/cli/context/docker/load.go
@@ -104,8 +104,8 @@ func (c *Endpoint) ClientOpts() ([]client.Opt, error) {
 				return nil, err
 			}
 			result = append(result,
-				client.WithHost(c.Host),
 				withHTTPClient(tlsConfig),
+				client.WithHost(c.Host),
 			)
 
 		} else {