git subrepo clone (merge) https://github.com/kubernetes-incubator/metrics-server.git metrics-server

subrepo:
  subdir:   "metrics-server"
  merged:   "92d8412"
upstream:
  origin:   "https://github.com/kubernetes-incubator/metrics-server.git"
  branch:   "master"
  commit:   "92d8412"
git-subrepo:
  version:  "0.4.0"
  origin:   "???"
  commit:   "???"
diff --git a/metrics-server/vendor/k8s.io/client-go/transport/config.go b/metrics-server/vendor/k8s.io/client-go/transport/config.go
new file mode 100644
index 0000000..4081c23
--- /dev/null
+++ b/metrics-server/vendor/k8s.io/client-go/transport/config.go
@@ -0,0 +1,110 @@
+/*
+Copyright 2015 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package transport
+
+import (
+	"context"
+	"crypto/tls"
+	"net"
+	"net/http"
+)
+
+// Config holds various options for establishing a transport.
+type Config struct {
+	// UserAgent is an optional field that specifies the caller of this
+	// request.
+	UserAgent string
+
+	// The base TLS configuration for this transport.
+	TLS TLSConfig
+
+	// Username and password for basic authentication
+	Username string
+	Password string
+
+	// Bearer token for authentication
+	BearerToken string
+
+	// Impersonate is the config that this Config will impersonate using
+	Impersonate ImpersonationConfig
+
+	// Transport may be used for custom HTTP behavior. This attribute may
+	// not be specified with the TLS client certificate options. Use
+	// WrapTransport for most client level operations.
+	Transport http.RoundTripper
+
+	// WrapTransport will be invoked for custom HTTP behavior after the
+	// underlying transport is initialized (either the transport created
+	// from TLSClientConfig, Transport, or http.DefaultTransport). The
+	// config may layer other RoundTrippers on top of the returned
+	// RoundTripper.
+	WrapTransport func(rt http.RoundTripper) http.RoundTripper
+
+	// Dial specifies the dial function for creating unencrypted TCP connections.
+	Dial func(ctx context.Context, network, address string) (net.Conn, error)
+}
+
+// ImpersonationConfig has all the available impersonation options
+type ImpersonationConfig struct {
+	// UserName matches user.Info.GetName()
+	UserName string
+	// Groups matches user.Info.GetGroups()
+	Groups []string
+	// Extra matches user.Info.GetExtra()
+	Extra map[string][]string
+}
+
+// HasCA returns whether the configuration has a certificate authority or not.
+func (c *Config) HasCA() bool {
+	return len(c.TLS.CAData) > 0 || len(c.TLS.CAFile) > 0
+}
+
+// HasBasicAuth returns whether the configuration has basic authentication or not.
+func (c *Config) HasBasicAuth() bool {
+	return len(c.Username) != 0
+}
+
+// HasTokenAuth returns whether the configuration has token authentication or not.
+func (c *Config) HasTokenAuth() bool {
+	return len(c.BearerToken) != 0
+}
+
+// HasCertAuth returns whether the configuration has certificate authentication or not.
+func (c *Config) HasCertAuth() bool {
+	return (len(c.TLS.CertData) != 0 || len(c.TLS.CertFile) != 0) && (len(c.TLS.KeyData) != 0 || len(c.TLS.KeyFile) != 0)
+}
+
+// HasCertCallbacks returns whether the configuration has certificate callback or not.
+func (c *Config) HasCertCallback() bool {
+	return c.TLS.GetCert != nil
+}
+
+// TLSConfig holds the information needed to set up a TLS transport.
+type TLSConfig struct {
+	CAFile   string // Path of the PEM-encoded server trusted root certificates.
+	CertFile string // Path of the PEM-encoded client certificate.
+	KeyFile  string // Path of the PEM-encoded client key.
+
+	Insecure   bool   // Server should be accessed without verifying the certificate. For testing only.
+	ServerName string // Override for the server name passed to the server for SNI and used to verify certificates.
+
+	CAData   []byte // Bytes of the PEM-encoded server trusted root certificates. Supercedes CAFile.
+	CertData []byte // Bytes of the PEM-encoded client certificate. Supercedes CertFile.
+	KeyData  []byte // Bytes of the PEM-encoded client key. Supercedes KeyFile.
+
+	GetCert func() (*tls.Certificate, error) // Callback that returns a TLS client certificate. CertData, CertFile, KeyData and KeyFile supercede this field.
+}