Allow constructing spdy executor from existing transports

pkg/client/tests/remotecommand_test.go

@@ -256,7 +256,12 @@ func TestStream(t *testing.T) {
 			conf := &restclient.Config{
 				Host: server.URL,
 			}
-			e, err := remoteclient.NewSPDYExecutorForProtocols(conf, "POST", req.URL(), testCase.ClientProtocols...)
+			transport, upgradeTransport, err := spdy.RoundTripperFor(conf)
+			if err != nil {
+				t.Errorf("%s: unexpected error: %v", name, err)
+				continue
+			}
+			e, err := remoteclient.NewSPDYExecutorForProtocols(transport, upgradeTransport, "POST", req.URL(), testCase.ClientProtocols...)
 			if err != nil {
 				t.Errorf("%s: unexpected error: %v", name, err)
 				continue

staging/src/k8s.io/client-go/tools/remotecommand/BUILD

@@ -42,7 +42,6 @@ go_library(
         "//vendor/k8s.io/apimachinery/pkg/util/remotecommand:go_default_library",
         "//vendor/k8s.io/apimachinery/pkg/util/runtime:go_default_library",
         "//vendor/k8s.io/client-go/rest:go_default_library",
-        "//vendor/k8s.io/client-go/transport:go_default_library",
         "//vendor/k8s.io/client-go/transport/spdy:go_default_library",
         "//vendor/k8s.io/client-go/util/exec:go_default_library",
     ],

staging/src/k8s.io/client-go/tools/remotecommand/remotecommand.go

@@ -27,7 +27,6 @@ import (
 	"k8s.io/apimachinery/pkg/util/httpstream"
 	"k8s.io/apimachinery/pkg/util/remotecommand"
 	restclient "k8s.io/client-go/rest"
-	"k8s.io/client-go/transport"
 	spdy "k8s.io/client-go/transport/spdy"
 )
 
@@ -72,8 +71,18 @@ type streamExecutor struct {
 // NewSPDYExecutor connects to the provided server and upgrades the connection to
 // multiplexed bidirectional streams.
 func NewSPDYExecutor(config *restclient.Config, method string, url *url.URL) (Executor, error) {
+	wrapper, upgradeRoundTripper, err := spdy.RoundTripperFor(config)
+	if err != nil {
+		return nil, err
+	}
+	return NewSPDYExecutorForTransports(wrapper, upgradeRoundTripper, method, url)
+}
+
+// NewSPDYExecutorForTransports connects to the provided server using the given transport,
+// upgrades the response using the given upgrader to multiplexed bidirectional streams.
+func NewSPDYExecutorForTransports(transport http.RoundTripper, upgrader spdy.Upgrader, method string, url *url.URL) (Executor, error) {
 	return NewSPDYExecutorForProtocols(
-		config, method, url,
+		transport, upgrader, method, url,
 		remotecommand.StreamProtocolV4Name,
 		remotecommand.StreamProtocolV3Name,
 		remotecommand.StreamProtocolV2Name,
@@ -83,16 +92,11 @@ func NewSPDYExecutor(config *restclient.Config, method string, url *url.URL) (Ex
 
 // NewSPDYExecutorForProtocols connects to the provided server and upgrades the connection to
 // multiplexed bidirectional streams using only the provided protocols. Exposed for testing, most
-// callers should use NewSPDYExecutor.
+// callers should use NewSPDYExecutor or NewSPDYExecutorForTransports.
-func NewSPDYExecutorForProtocols(config *restclient.Config, method string, url *url.URL, protocols ...string) (Executor, error) {
+func NewSPDYExecutorForProtocols(transport http.RoundTripper, upgrader spdy.Upgrader, method string, url *url.URL, protocols ...string) (Executor, error) {
-	wrapper, upgradeRoundTripper, err := spdy.RoundTripperFor(config)
-	if err != nil {
-		return nil, err
-	}
-	wrapper = transport.DebugWrappers(wrapper)
 	return &streamExecutor{
-		upgrader:  upgradeRoundTripper,
+		upgrader:  upgrader,
-		transport: wrapper,
+		transport: transport,
 		method:    method,
 		url:       url,
 		protocols: protocols,