BoundServiceAccountTokenVolume: fix InClusterConfig

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 {
@@ -491,6 +492,7 @@ func (config *inClusterClientConfig) ClientConfig() (*restclient.Config, error)
 		}
 		if token := config.overrides.AuthInfo.Token; len(token) > 0 {
 			icc.BearerToken = token
+			icc.BearerTokenFile = ""
 		}
 		if certificateAuthorityFile := config.overrides.ClusterInfo.CertificateAuthority; len(certificateAuthorityFile) > 0 {
 			icc.TLSClientConfig.CAFile = certificateAuthorityFile