Add generated file

This PR adds generated files under pkg/client and vendor folder.

vendor/k8s.io/kubernetes/pkg/apis/authentication/validation/BUILD

@@ -0,0 +1,26 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = ["validation.go"],
+    importpath = "k8s.io/kubernetes/pkg/apis/authentication/validation",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//pkg/apis/authentication:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/util/validation/field:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

vendor/k8s.io/kubernetes/pkg/apis/authentication/validation/validation.go

@@ -0,0 +1,41 @@
+/*
+Copyright 2018 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 validation contains methods to validate kinds in the
+// authentication.k8s.io API group.
+package validation
+
+import (
+	"time"
+
+	"k8s.io/apimachinery/pkg/util/validation/field"
+	"k8s.io/kubernetes/pkg/apis/authentication"
+)
+
+// ValidateTokenRequest validates a TokenRequest.
+func ValidateTokenRequest(tr *authentication.TokenRequest) field.ErrorList {
+	allErrs := field.ErrorList{}
+	specPath := field.NewPath("spec")
+
+	const min = 10 * time.Minute
+	if tr.Spec.ExpirationSeconds < int64(min.Seconds()) {
+		allErrs = append(allErrs, field.Invalid(specPath.Child("expirationSeconds"), tr.Spec.ExpirationSeconds, "may not specify a duration less than 10 minutes"))
+	}
+	if tr.Spec.ExpirationSeconds > 1<<32 {
+		allErrs = append(allErrs, field.Invalid(specPath.Child("expirationSeconds"), tr.Spec.ExpirationSeconds, "may not specify a duration larger than 2^32 seconds"))
+	}
+	return allErrs
+}