Update go dependencies for kubernetes 1.16.0

vendor/k8s.io/client-go/rest/config.go

@@ -94,6 +94,10 @@ type Config struct {
 	// UserAgent is an optional field that specifies the caller of this request.
 	UserAgent string
 
+	// DisableCompression bypasses automatic GZip compression requests to the
+	// server.
+	DisableCompression bool
+
 	// Transport may be used for custom HTTP behavior. This attribute may not
 	// be specified with the TLS client certificate options. Use WrapTransport
 	// to provide additional per-server middleware behavior.
@@ -207,6 +211,12 @@ type TLSClientConfig struct {
 	// CAData holds PEM-encoded bytes (typically read from a root certificates bundle).
 	// CAData takes precedence over CAFile
 	CAData []byte
+
+	// NextProtos is a list of supported application level protocols, in order of preference.
+	// Used to populate tls.Config.NextProtos.
+	// To indicate to the server http/1.1 is preferred over http/2, set to ["http/1.1", "h2"] (though the server is free to ignore that preference).
+	// To use only http/1.1, set to ["http/1.1"].
+	NextProtos []string
 }
 
 var _ fmt.Stringer = TLSClientConfig{}
@@ -232,6 +242,7 @@ func (c TLSClientConfig) String() string {
 		CertData:   c.CertData,
 		KeyData:    c.KeyData,
 		CAData:     c.CAData,
+		NextProtos: c.NextProtos,
 	}
 	// Explicitly mark non-empty credential fields as redacted.
 	if len(cc.CertData) != 0 {
@@ -499,13 +510,15 @@ func AnonymousClientConfig(config *Config) *Config {
 			ServerName: config.ServerName,
 			CAFile:     config.TLSClientConfig.CAFile,
 			CAData:     config.TLSClientConfig.CAData,
+			NextProtos: config.TLSClientConfig.NextProtos,
 		},
-		RateLimiter: config.RateLimiter,
-		UserAgent:   config.UserAgent,
-		QPS:         config.QPS,
-		Burst:       config.Burst,
-		Timeout:     config.Timeout,
-		Dial:        config.Dial,
+		RateLimiter:        config.RateLimiter,
+		UserAgent:          config.UserAgent,
+		DisableCompression: config.DisableCompression,
+		QPS:                config.QPS,
+		Burst:              config.Burst,
+		Timeout:            config.Timeout,
+		Dial:               config.Dial,
 	}
 }
 
@@ -536,14 +549,16 @@ func CopyConfig(config *Config) *Config {
 			CertData:   config.TLSClientConfig.CertData,
 			KeyData:    config.TLSClientConfig.KeyData,
 			CAData:     config.TLSClientConfig.CAData,
+			NextProtos: config.TLSClientConfig.NextProtos,
 		},
-		UserAgent:     config.UserAgent,
-		Transport:     config.Transport,
-		WrapTransport: config.WrapTransport,
-		QPS:           config.QPS,
-		Burst:         config.Burst,
-		RateLimiter:   config.RateLimiter,
-		Timeout:       config.Timeout,
-		Dial:          config.Dial,
+		UserAgent:          config.UserAgent,
+		DisableCompression: config.DisableCompression,
+		Transport:          config.Transport,
+		WrapTransport:      config.WrapTransport,
+		QPS:                config.QPS,
+		Burst:              config.Burst,
+		RateLimiter:        config.RateLimiter,
+		Timeout:            config.Timeout,
+		Dial:               config.Dial,
 	}
 }

vendor/k8s.io/client-go/rest/plugin.go

@@ -55,7 +55,7 @@ func RegisterAuthProviderPlugin(name string, plugin Factory) error {
 	pluginsLock.Lock()
 	defer pluginsLock.Unlock()
 	if _, found := plugins[name]; found {
-		return fmt.Errorf("Auth Provider Plugin %q was registered twice", name)
+		return fmt.Errorf("auth Provider Plugin %q was registered twice", name)
 	}
 	klog.V(4).Infof("Registered Auth Provider Plugin %q", name)
 	plugins[name] = plugin
@@ -67,7 +67,7 @@ func GetAuthProvider(clusterAddress string, apc *clientcmdapi.AuthProviderConfig
 	defer pluginsLock.Unlock()
 	p, ok := plugins[apc.Name]
 	if !ok {
-		return nil, fmt.Errorf("No Auth Provider found for name %q", apc.Name)
+		return nil, fmt.Errorf("no Auth Provider found for name %q", apc.Name)
 	}
 	return p(clusterAddress, apc.Config, persister)
 }

vendor/k8s.io/client-go/rest/request.go

@@ -521,14 +521,24 @@ func (r Request) finalURLTemplate() url.URL {
 	return *url
 }
 
-func (r *Request) tryThrottle() {
+func (r *Request) tryThrottle() error {
+	if r.throttle == nil {
+		return nil
+	}
+
 	now := time.Now()
-	if r.throttle != nil {
+	var err error
+	if r.ctx != nil {
+		err = r.throttle.Wait(r.ctx)
+	} else {
 		r.throttle.Accept()
 	}
+
 	if latency := time.Since(now); latency > longThrottleLatency {
 		klog.V(4).Infof("Throttling request took %v, request: %s:%s", latency, r.verb, r.URL().String())
 	}
+
+	return err
 }
 
 // Watch attempts to begin watching the requested location.
@@ -630,13 +640,18 @@ func (r *Request) Stream() (io.ReadCloser, error) {
 		return nil, r.err
 	}
 
-	r.tryThrottle()
+	if err := r.tryThrottle(); err != nil {
+		return nil, err
+	}
 
 	url := r.URL().String()
 	req, err := http.NewRequest(r.verb, url, nil)
 	if err != nil {
 		return nil, err
 	}
+	if r.body != nil {
+		req.Body = ioutil.NopCloser(r.body)
+	}
 	if r.ctx != nil {
 		req = req.WithContext(r.ctx)
 	}
@@ -732,7 +747,9 @@ func (r *Request) request(fn func(*http.Request, *http.Response)) error {
 			// We are retrying the request that we already send to apiserver
 			// at least once before.
 			// This request should also be throttled with the client-internal throttler.
-			r.tryThrottle()
+			if err := r.tryThrottle(); err != nil {
+				return err
+			}
 		}
 		resp, err := client.Do(req)
 		updateURLMetrics(r, resp, err)
@@ -803,7 +820,9 @@ func (r *Request) request(fn func(*http.Request, *http.Response)) error {
 //  * If the server responds with a status: *errors.StatusError or *errors.UnexpectedObjectError
 //  * http.Client.Do errors are returned directly.
 func (r *Request) Do() Result {
-	r.tryThrottle()
+	if err := r.tryThrottle(); err != nil {
+		return Result{err: err}
+	}
 
 	var result Result
 	err := r.request(func(req *http.Request, resp *http.Response) {
@@ -817,7 +836,9 @@ func (r *Request) Do() Result {
 
 // DoRaw executes the request but does not process the response body.
 func (r *Request) DoRaw() ([]byte, error) {
-	r.tryThrottle()
+	if err := r.tryThrottle(); err != nil {
+		return nil, err
+	}
 
 	var result Result
 	err := r.request(func(req *http.Request, resp *http.Response) {
@@ -850,13 +871,13 @@ func (r *Request) transformResponse(resp *http.Response, req *http.Request) Resu
 			// 3. Apiserver closes connection.
 			// 4. client-go should catch this and return an error.
 			klog.V(2).Infof("Stream error %#v when reading response body, may be caused by closed connection.", err)
-			streamErr := fmt.Errorf("Stream error when reading response body, may be caused by closed connection. Please retry. Original error: %v", err)
+			streamErr := fmt.Errorf("stream error when reading response body, may be caused by closed connection. Please retry. Original error: %v", err)
 			return Result{
 				err: streamErr,
 			}
 		default:
 			klog.Errorf("Unexpected error when reading response body: %v", err)
-			unexpectedErr := fmt.Errorf("Unexpected error when reading response body. Please retry. Original error: %v", err)
+			unexpectedErr := fmt.Errorf("unexpected error when reading response body. Please retry. Original error: %v", err)
 			return Result{
 				err: unexpectedErr,
 			}

vendor/k8s.io/client-go/rest/transport.go

@@ -61,9 +61,10 @@ func HTTPWrappersForConfig(config *Config, rt http.RoundTripper) (http.RoundTrip
 // TransportConfig converts a client config to an appropriate transport config.
 func (c *Config) TransportConfig() (*transport.Config, error) {
 	conf := &transport.Config{
-		UserAgent:     c.UserAgent,
-		Transport:     c.Transport,
-		WrapTransport: c.WrapTransport,
+		UserAgent:          c.UserAgent,
+		Transport:          c.Transport,
+		WrapTransport:      c.WrapTransport,
+		DisableCompression: c.DisableCompression,
 		TLS: transport.TLSConfig{
 			Insecure:   c.Insecure,
 			ServerName: c.ServerName,
@@ -73,6 +74,7 @@ func (c *Config) TransportConfig() (*transport.Config, error) {
 			CertData:   c.CertData,
 			KeyFile:    c.KeyFile,
 			KeyData:    c.KeyData,
+			NextProtos: c.NextProtos,
 		},
 		Username:        c.Username,
 		Password:        c.Password,

vendor/k8s.io/client-go/rest/zz_generated.deepcopy.go

@@ -38,6 +38,11 @@ func (in *TLSClientConfig) DeepCopyInto(out *TLSClientConfig) {
 		*out = make([]byte, len(*in))
 		copy(*out, *in)
 	}
+	if in.NextProtos != nil {
+		in, out := &in.NextProtos, &out.NextProtos
+		*out = make([]string, len(*in))
+		copy(*out, *in)
+	}
 	return
 }