Merge pull request #77897 from mikedanese/automated-cherry-pick-of-#77613-upstream-release-1.14

staging/src/k8s.io/apiserver/pkg/util/webhook/authentication.go

@@ -171,6 +171,7 @@ func restConfigFromKubeconfig(configAuthInfo *clientcmdapi.AuthInfo) (*rest.Conf
 	// blindly overwrite existing values based on precedence
 	if len(configAuthInfo.Token) > 0 {
 		config.BearerToken = configAuthInfo.Token
+		config.BearerTokenFile = configAuthInfo.TokenFile
 	} else if len(configAuthInfo.TokenFile) > 0 {
 		tokenBytes, err := ioutil.ReadFile(configAuthInfo.TokenFile)
 		if err != nil {

staging/src/k8s.io/client-go/rest/transport.go

@@ -74,9 +74,10 @@ func (c *Config) TransportConfig() (*transport.Config, error) {
 			KeyFile:    c.KeyFile,
 			KeyData:    c.KeyData,
 		},
-		Username:    c.Username,
-		Password:    c.Password,
-		BearerToken: c.BearerToken,
+		Username:        c.Username,
+		Password:        c.Password,
+		BearerToken:     c.BearerToken,
+		BearerTokenFile: c.BearerTokenFile,
 		Impersonate: transport.ImpersonationConfig{
 			UserName: c.Impersonate.UserName,
 			Groups:   c.Impersonate.Groups,

staging/src/k8s.io/client-go/tools/clientcmd/client_config.go

@@ -228,6 +228,7 @@ func (config *DirectClientConfig) getUserIdentificationPartialConfig(configAuthI
 	// blindly overwrite existing values based on precedence
 	if len(configAuthInfo.Token) > 0 {
 		mergedConfig.BearerToken = configAuthInfo.Token
+		mergedConfig.BearerTokenFile = configAuthInfo.TokenFile
 	} else if len(configAuthInfo.TokenFile) > 0 {
 		tokenBytes, err := ioutil.ReadFile(configAuthInfo.TokenFile)
 		if err != nil {
@@ -499,8 +500,9 @@ func (config *inClusterClientConfig) ClientConfig() (*restclient.Config, error)
 		if server := config.overrides.ClusterInfo.Server; len(server) > 0 {
 			icc.Host = server
 		}
-		if token := config.overrides.AuthInfo.Token; len(token) > 0 {
-			icc.BearerToken = token
+		if len(config.overrides.AuthInfo.Token) > 0 || len(config.overrides.AuthInfo.TokenFile) > 0 {
+			icc.BearerToken = config.overrides.AuthInfo.Token
+			icc.BearerTokenFile = config.overrides.AuthInfo.TokenFile
 		}
 		if certificateAuthorityFile := config.overrides.ClusterInfo.CertificateAuthority; len(certificateAuthorityFile) > 0 {
 			icc.TLSClientConfig.CAFile = certificateAuthorityFile

staging/src/k8s.io/client-go/tools/clientcmd/client_config_test.go

@@ -549,6 +549,30 @@ func TestInClusterClientConfigPrecedence(t *testing.T) {
 			},
 		},
 		{
+			overrides: &ConfigOverrides{
+				ClusterInfo: clientcmdapi.Cluster{
+					Server:               "https://host-from-overrides.com",
+					CertificateAuthority: "/path/to/ca-from-overrides.crt",
+				},
+				AuthInfo: clientcmdapi.AuthInfo{
+					Token:     "token-from-override",
+					TokenFile: "tokenfile-from-override",
+				},
+			},
+		},
+		{
+			overrides: &ConfigOverrides{
+				ClusterInfo: clientcmdapi.Cluster{
+					Server:               "https://host-from-overrides.com",
+					CertificateAuthority: "/path/to/ca-from-overrides.crt",
+				},
+				AuthInfo: clientcmdapi.AuthInfo{
+					Token:     "",
+					TokenFile: "tokenfile-from-override",
+				},
+			},
+		},
+		{
 			overrides: &ConfigOverrides{},
 		},
 	}
@@ -556,13 +580,15 @@ func TestInClusterClientConfigPrecedence(t *testing.T) {
 	for _, tc := range tt {
 		expectedServer := "https://host-from-cluster.com"
 		expectedToken := "token-from-cluster"
+		expectedTokenFile := "tokenfile-from-cluster"
 		expectedCAFile := "/path/to/ca-from-cluster.crt"
 
 		icc := &inClusterClientConfig{
 			inClusterConfigProvider: func() (*restclient.Config, error) {
 				return &restclient.Config{
-					Host:        expectedServer,
-					BearerToken: expectedToken,
+					Host:            expectedServer,
+					BearerToken:     expectedToken,
+					BearerTokenFile: expectedTokenFile,
 					TLSClientConfig: restclient.TLSClientConfig{
 						CAFile: expectedCAFile,
 					},
@@ -579,8 +605,9 @@ func TestInClusterClientConfigPrecedence(t *testing.T) {
 		if overridenServer := tc.overrides.ClusterInfo.Server; len(overridenServer) > 0 {
 			expectedServer = overridenServer
 		}
-		if overridenToken := tc.overrides.AuthInfo.Token; len(overridenToken) > 0 {
-			expectedToken = overridenToken
+		if len(tc.overrides.AuthInfo.Token) > 0 || len(tc.overrides.AuthInfo.TokenFile) > 0 {
+			expectedToken = tc.overrides.AuthInfo.Token
+			expectedTokenFile = tc.overrides.AuthInfo.TokenFile
 		}
 		if overridenCAFile := tc.overrides.ClusterInfo.CertificateAuthority; len(overridenCAFile) > 0 {
 			expectedCAFile = overridenCAFile
@@ -592,6 +619,9 @@ func TestInClusterClientConfigPrecedence(t *testing.T) {
 		if clientConfig.BearerToken != expectedToken {
 			t.Errorf("Expected token %v, got %v", expectedToken, clientConfig.BearerToken)
 		}
+		if clientConfig.BearerTokenFile != expectedTokenFile {
+			t.Errorf("Expected tokenfile %v, got %v", expectedTokenFile, clientConfig.BearerTokenFile)
+		}
 		if clientConfig.TLSClientConfig.CAFile != expectedCAFile {
 			t.Errorf("Expected Certificate Authority %v, got %v", expectedCAFile, clientConfig.TLSClientConfig.CAFile)
 		}