keep using --tlsverify between config and env commands

Signed-off-by: Ke Zhu <kzhu@us.ibm.com>

commands.go

@@ -369,7 +369,7 @@ func cmdConfig(c *cli.Context) {
 
 		dockerHost = fmt.Sprintf("tcp://%s:%s", machineIp, swarmPort)
 	}
-	fmt.Printf("--tls --tlscacert=%s --tlscert=%s --tlskey=%s -H=%s",
+	fmt.Printf("--tlsverify --tlscacert=%s --tlscert=%s --tlskey=%s -H=%s",
 		cfg.caCertPath, cfg.clientCertPath, cfg.clientKeyPath, dockerHost)
 }
 

commands_test.go

@@ -300,14 +300,13 @@ func TestRunActionForeachMachine(t *testing.T) {
 func TestCmdConfig(t *testing.T) {
 	stdout := os.Stdout
 	r, w, _ := os.Pipe()
-	os.Stdout = w
 
+	os.Stdout = w
 	os.Setenv("MACHINE_STORAGE_PATH", TestStoreDir)
 
 	defer func() {
 		os.Setenv("MACHINE_STORAGE_PATH", "")
 		os.Stdout = stdout
-		w.Close()
 	}()
 
 	if err := clearHosts(); err != nil {
@@ -333,17 +332,27 @@ func TestCmdConfig(t *testing.T) {
 		t.Fatalf("error setting active host: %v", err)
 	}
 
+	outStr := make(chan string)
+
+	go func() {
+		var testOutput bytes.Buffer
+		io.Copy(&testOutput, r)
+		outStr <- testOutput.String()
+	}()
+
 	set := flag.NewFlagSet("config", 0)
-
-	testOutput := &bytes.Buffer{}
-
-	go io.Copy(testOutput, r)
-
 	c := cli.NewContext(nil, set, set)
-
 	cmdConfig(c)
 
-	if strings.Contains(testOutput.String(), "-H=unix:///var/run/docker.sock") {
+	w.Close()
+
+	out := <-outStr
+
+	if !strings.Contains(out, "--tlsverify") {
+		t.Fatalf("Expect --tlsverify")
+	}
+
+	if !strings.Contains(out, "-H=unix:///var/run/docker.sock") {
 		t.Fatalf("Expect docker host URL")
 	}
 }