Check in the vendor directory

Travis seems to be having issues pulling deps, so we'll have to check in
the vendor directory and prevent the makefile from trying to regenerate
it normally.

vendor/k8s.io/apiserver/pkg/admission/errors.go

@@ -0,0 +1,72 @@
+/*
+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 admission
+
+import (
+	apierrors "k8s.io/apimachinery/pkg/api/errors"
+	"k8s.io/apimachinery/pkg/api/meta"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	utilerrors "k8s.io/apimachinery/pkg/util/errors"
+)
+
+func extractResourceName(a Attributes) (name string, resource schema.GroupResource, err error) {
+	resource = a.GetResource().GroupResource()
+
+	if len(a.GetName()) > 0 {
+		return a.GetName(), resource, nil
+	}
+
+	name = "Unknown"
+	obj := a.GetObject()
+	if obj != nil {
+		accessor, err := meta.Accessor(obj)
+		if err != nil {
+			// not all object have ObjectMeta.  If we don't, return a name with a slash (always illegal)
+			return "Unknown/errorGettingName", resource, nil
+		}
+
+		// this is necessary because name object name generation has not occurred yet
+		if len(accessor.GetName()) > 0 {
+			name = accessor.GetName()
+		} else if len(accessor.GetGenerateName()) > 0 {
+			name = accessor.GetGenerateName()
+		}
+	}
+	return name, resource, nil
+}
+
+// NewForbidden is a utility function to return a well-formatted admission control error response
+func NewForbidden(a Attributes, internalError error) error {
+	// do not double wrap an error of same type
+	if apierrors.IsForbidden(internalError) {
+		return internalError
+	}
+	name, resource, err := extractResourceName(a)
+	if err != nil {
+		return apierrors.NewInternalError(utilerrors.NewAggregate([]error{internalError, err}))
+	}
+	return apierrors.NewForbidden(resource, name, internalError)
+}
+
+// NewNotFound is a utility function to return a well-formatted admission control error response
+func NewNotFound(a Attributes) error {
+	name, resource, err := extractResourceName(a)
+	if err != nil {
+		return apierrors.NewInternalError(err)
+	}
+	return apierrors.NewNotFound(resource, name)
+}