Update go dependencies

vendor/k8s.io/client-go/tools/clientcmd/api/v1/conversion.go

@@ -17,6 +17,7 @@ limitations under the License.
 package v1
 
 import (
+	"fmt"
 	"sort"
 
 	"k8s.io/apimachinery/pkg/conversion"
@@ -105,7 +106,11 @@ func addConversionFuncs(scheme *runtime.Scheme) error {
 				if err := s.Convert(&curr.Cluster, newCluster, 0); err != nil {
 					return err
 				}
-				(*out)[curr.Name] = newCluster
+				if (*out)[curr.Name] == nil {
+					(*out)[curr.Name] = newCluster
+				} else {
+					return fmt.Errorf("error converting *[]NamedCluster into *map[string]*api.Cluster: duplicate name \"%v\" in list: %v", curr.Name, *in)
+				}
 			}
 
 			return nil
@@ -136,7 +141,11 @@ func addConversionFuncs(scheme *runtime.Scheme) error {
 				if err := s.Convert(&curr.AuthInfo, newAuthInfo, 0); err != nil {
 					return err
 				}
-				(*out)[curr.Name] = newAuthInfo
+				if (*out)[curr.Name] == nil {
+					(*out)[curr.Name] = newAuthInfo
+				} else {
+					return fmt.Errorf("error converting *[]NamedAuthInfo into *map[string]*api.AuthInfo: duplicate name \"%v\" in list: %v", curr.Name, *in)
+				}
 			}
 
 			return nil
@@ -167,7 +176,11 @@ func addConversionFuncs(scheme *runtime.Scheme) error {
 				if err := s.Convert(&curr.Context, newContext, 0); err != nil {
 					return err
 				}
-				(*out)[curr.Name] = newContext
+				if (*out)[curr.Name] == nil {
+					(*out)[curr.Name] = newContext
+				} else {
+					return fmt.Errorf("error converting *[]NamedContext into *map[string]*api.Context: duplicate name \"%v\" in list: %v", curr.Name, *in)
+				}
 			}
 
 			return nil
@@ -198,7 +211,11 @@ func addConversionFuncs(scheme *runtime.Scheme) error {
 				if err := s.Convert(&curr.Extension, &newExtension, 0); err != nil {
 					return err
 				}
-				(*out)[curr.Name] = newExtension
+				if (*out)[curr.Name] == nil {
+					(*out)[curr.Name] = newExtension
+				} else {
+					return fmt.Errorf("error converting *[]NamedExtension into *map[string]runtime.Object: duplicate name \"%v\" in list: %v", curr.Name, *in)
+				}
 			}
 
 			return nil

vendor/k8s.io/client-go/tools/clientcmd/api/v1/zz_generated.deepcopy.go

@@ -1,7 +1,7 @@
 // +build !ignore_autogenerated
 
 /*
-Copyright 2018 The Kubernetes Authors.
+Copyright 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.

vendor/k8s.io/client-go/tools/clientcmd/api/zz_generated.deepcopy.go

@@ -1,7 +1,7 @@
 // +build !ignore_autogenerated
 
 /*
-Copyright 2018 The Kubernetes Authors.
+Copyright 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.

vendor/k8s.io/client-go/tools/clientcmd/auth_loaders.go

@@ -23,7 +23,8 @@ import (
 	"io/ioutil"
 	"os"
 
-	"github.com/howeyc/gopass"
+	"golang.org/x/crypto/ssh/terminal"
+
 	clientauth "k8s.io/client-go/tools/auth"
 )
 
@@ -89,8 +90,12 @@ func promptForString(field string, r io.Reader, show bool) (result string, err e
 		_, err = fmt.Fscan(r, &result)
 	} else {
 		var data []byte
-		data, err = gopass.GetPasswdMasked()
-		result = string(data)
+		if terminal.IsTerminal(int(os.Stdin.Fd())) {
+			data, err = terminal.ReadPassword(int(os.Stdin.Fd()))
+			result = string(data)
+		} else {
+			return "", fmt.Errorf("error reading input for %s", field)
+		}
 	}
 	return result, err
 }

vendor/k8s.io/client-go/tools/clientcmd/client_config.go

@@ -27,7 +27,6 @@ import (
 	"github.com/golang/glog"
 	"github.com/imdario/mergo"
 
-	"k8s.io/api/core/v1"
 	restclient "k8s.io/client-go/rest"
 	clientauth "k8s.io/client-go/tools/auth"
 	clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
@@ -100,6 +99,26 @@ func NewInteractiveClientConfig(config clientcmdapi.Config, contextName string,
 	return &DirectClientConfig{config, contextName, overrides, fallbackReader, configAccess, promptedCredentials{}}
 }
 
+// NewClientConfigFromBytes takes your kubeconfig and gives you back a ClientConfig
+func NewClientConfigFromBytes(configBytes []byte) (ClientConfig, error) {
+	config, err := Load(configBytes)
+	if err != nil {
+		return nil, err
+	}
+
+	return &DirectClientConfig{*config, "", &ConfigOverrides{}, nil, nil, promptedCredentials{}}, nil
+}
+
+// RESTConfigFromKubeConfig is a convenience method to give back a restconfig from your kubeconfig bytes.
+// For programmatic access, this is what you want 80% of the time
+func RESTConfigFromKubeConfig(configBytes []byte) (*restclient.Config, error) {
+	clientConfig, err := NewClientConfigFromBytes(configBytes)
+	if err != nil {
+		return nil, err
+	}
+	return clientConfig.ClientConfig()
+}
+
 func (config *DirectClientConfig) RawConfig() (clientcmdapi.Config, error) {
 	return config.config, nil
 }
@@ -318,7 +337,7 @@ func (config *DirectClientConfig) Namespace() (string, bool, error) {
 	}
 
 	if len(configContext.Namespace) == 0 {
-		return v1.NamespaceDefault, false, nil
+		return "default", false, nil
 	}
 
 	return configContext.Namespace, false, nil

vendor/k8s.io/client-go/tools/clientcmd/config.go

@@ -68,7 +68,9 @@ func (o *PathOptions) GetEnvVarFiles() []string {
 		return []string{}
 	}
 
-	return filepath.SplitList(envVarValue)
+	fileList := filepath.SplitList(envVarValue)
+	// prevent the same path load multiple times
+	return deduplicate(fileList)
 }
 
 func (o *PathOptions) GetLoadingPrecedence() []string {

vendor/k8s.io/client-go/tools/clientcmd/loader.go

@@ -139,7 +139,9 @@ func NewDefaultClientConfigLoadingRules() *ClientConfigLoadingRules {
 
 	envVarFiles := os.Getenv(RecommendedConfigPathEnvVar)
 	if len(envVarFiles) != 0 {
-		chain = append(chain, filepath.SplitList(envVarFiles)...)
+		fileList := filepath.SplitList(envVarFiles)
+		// prevent the same path load multiple times
+		chain = append(chain, deduplicate(fileList)...)
 
 	} else {
 		chain = append(chain, RecommendedHomeFile)
@@ -615,3 +617,17 @@ func MakeRelative(path, base string) (string, error) {
 	}
 	return path, nil
 }
+
+// deduplicate removes any duplicated values and returns a new slice, keeping the order unchanged
+func deduplicate(s []string) []string {
+	encountered := map[string]bool{}
+	ret := make([]string, 0)
+	for i := range s {
+		if encountered[s[i]] {
+			continue
+		}
+		encountered[s[i]] = true
+		ret = append(ret, s[i])
+	}
+	return ret
+}

vendor/k8s.io/client-go/tools/clientcmd/merged_client_builder.go

@@ -22,7 +22,6 @@ import (
 
 	"github.com/golang/glog"
 
-	"k8s.io/api/core/v1"
 	restclient "k8s.io/client-go/rest"
 	clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
 )
@@ -145,7 +144,7 @@ func (config *DeferredLoadingClientConfig) Namespace() (string, bool, error) {
 
 	if len(ns) > 0 {
 		// if we got a non-default namespace from the kubeconfig, use it
-		if ns != v1.NamespaceDefault {
+		if ns != "default" {
 			return ns, false, nil
 		}