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/github.com/kubernetes-incubator/custom-metrics-apiserver/pkg/dynamicmapper/fake_discovery.go

@@ -0,0 +1,152 @@
+/*
+Copyright 2016 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 dynamicmapper
+
+import (
+	"fmt"
+
+	"github.com/emicklei/go-restful-swagger12"
+	"github.com/googleapis/gnostic/OpenAPIv2"
+
+	"k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/version"
+	kubeversion "k8s.io/client-go/pkg/version"
+	restclient "k8s.io/client-go/rest"
+	"k8s.io/client-go/testing"
+)
+
+// NB: this is a copy of k8s.io/client-go/discovery/fake.  The original returns `nil, nil`
+// for some methods, which is generally confuses lots of code.
+
+type FakeDiscovery struct {
+	*testing.Fake
+}
+
+func (c *FakeDiscovery) ServerResourcesForGroupVersion(groupVersion string) (*metav1.APIResourceList, error) {
+	action := testing.ActionImpl{
+		Verb:     "get",
+		Resource: schema.GroupVersionResource{Resource: "resource"},
+	}
+	c.Invokes(action, nil)
+	for _, resourceList := range c.Resources {
+		if resourceList.GroupVersion == groupVersion {
+			return resourceList, nil
+		}
+	}
+	return nil, fmt.Errorf("GroupVersion %q not found", groupVersion)
+}
+
+func (c *FakeDiscovery) ServerResources() ([]*metav1.APIResourceList, error) {
+	action := testing.ActionImpl{
+		Verb:     "get",
+		Resource: schema.GroupVersionResource{Resource: "resource"},
+	}
+	c.Invokes(action, nil)
+	return c.Resources, nil
+}
+
+func (c *FakeDiscovery) ServerPreferredResources() ([]*metav1.APIResourceList, error) {
+	return nil, nil
+}
+
+func (c *FakeDiscovery) ServerPreferredNamespacedResources() ([]*metav1.APIResourceList, error) {
+	return nil, nil
+}
+
+func (c *FakeDiscovery) ServerGroups() (*metav1.APIGroupList, error) {
+	groups := map[string]*metav1.APIGroup{}
+	groupVersions := map[metav1.GroupVersionForDiscovery]struct{}{}
+	for _, resourceList := range c.Resources {
+		groupVer, err := schema.ParseGroupVersion(resourceList.GroupVersion)
+		if err != nil {
+			return nil, err
+		}
+		groupVerForDisc := metav1.GroupVersionForDiscovery{
+			GroupVersion: resourceList.GroupVersion,
+			Version:      groupVer.Version,
+		}
+
+		group, groupPresent := groups[groupVer.Group]
+		if !groupPresent {
+			group = &metav1.APIGroup{
+				Name: groupVer.Group,
+				// use the fist seen version as the preferred version
+				PreferredVersion: groupVerForDisc,
+			}
+			groups[groupVer.Group] = group
+		}
+
+		// we'll dedup in the end by deleting the group-versions
+		// from the global map one at a time
+		group.Versions = append(group.Versions, groupVerForDisc)
+		groupVersions[groupVerForDisc] = struct{}{}
+	}
+
+	groupList := make([]metav1.APIGroup, 0, len(groups))
+	for _, group := range groups {
+		newGroup := metav1.APIGroup{
+			Name:             group.Name,
+			PreferredVersion: group.PreferredVersion,
+		}
+
+		for _, groupVer := range group.Versions {
+			if _, ok := groupVersions[groupVer]; ok {
+				delete(groupVersions, groupVer)
+				newGroup.Versions = append(newGroup.Versions, groupVer)
+			}
+		}
+
+		groupList = append(groupList, newGroup)
+	}
+
+	return &metav1.APIGroupList{
+		Groups: groupList,
+	}, nil
+}
+
+func (c *FakeDiscovery) ServerVersion() (*version.Info, error) {
+	action := testing.ActionImpl{}
+	action.Verb = "get"
+	action.Resource = schema.GroupVersionResource{Resource: "version"}
+
+	c.Invokes(action, nil)
+	versionInfo := kubeversion.Get()
+	return &versionInfo, nil
+}
+
+func (c *FakeDiscovery) SwaggerSchema(version schema.GroupVersion) (*swagger.ApiDeclaration, error) {
+	action := testing.ActionImpl{}
+	action.Verb = "get"
+	if version == v1.SchemeGroupVersion {
+		action.Resource = schema.GroupVersionResource{Resource: "/swaggerapi/api/" + version.Version}
+	} else {
+		action.Resource = schema.GroupVersionResource{Resource: "/swaggerapi/apis/" + version.Group + "/" + version.Version}
+	}
+
+	c.Invokes(action, nil)
+	return &swagger.ApiDeclaration{}, nil
+}
+
+func (c *FakeDiscovery) OpenAPISchema() (*openapi_v2.Document, error) {
+	return &openapi_v2.Document{}, nil
+}
+
+func (c *FakeDiscovery) RESTClient() restclient.Interface {
+	return nil
+}

vendor/github.com/kubernetes-incubator/custom-metrics-apiserver/pkg/dynamicmapper/mapper.go

@@ -0,0 +1,113 @@
+package dynamicmapper
+
+import (
+	"fmt"
+	"sync"
+	"time"
+
+	"github.com/golang/glog"
+
+	"k8s.io/apimachinery/pkg/api/meta"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/util/wait"
+	"k8s.io/client-go/discovery"
+	"k8s.io/client-go/restmapper"
+)
+
+// RengeneratingDiscoveryRESTMapper is a RESTMapper which Regenerates its cache of mappings periodically.
+// It functions by recreating a normal discovery RESTMapper at the specified interval.
+// We don't refresh automatically on cache misses, since we get called on every label, plenty of which will
+// be unrelated to Kubernetes resources.
+type RegeneratingDiscoveryRESTMapper struct {
+	discoveryClient discovery.DiscoveryInterface
+
+	refreshInterval time.Duration
+
+	mu sync.RWMutex
+
+	delegate meta.RESTMapper
+}
+
+func NewRESTMapper(discoveryClient discovery.DiscoveryInterface, refreshInterval time.Duration) (*RegeneratingDiscoveryRESTMapper, error) {
+	mapper := &RegeneratingDiscoveryRESTMapper{
+		discoveryClient: discoveryClient,
+		refreshInterval: refreshInterval,
+	}
+	if err := mapper.RegenerateMappings(); err != nil {
+		return nil, fmt.Errorf("unable to populate initial set of REST mappings: %v", err)
+	}
+
+	return mapper, nil
+}
+
+// RunUtil runs the mapping refresher until the given stop channel is closed.
+func (m *RegeneratingDiscoveryRESTMapper) RunUntil(stop <-chan struct{}) {
+	go wait.Until(func() {
+		if err := m.RegenerateMappings(); err != nil {
+			glog.Errorf("error regenerating REST mappings from discovery: %v", err)
+		}
+	}, m.refreshInterval, stop)
+}
+
+func (m *RegeneratingDiscoveryRESTMapper) RegenerateMappings() error {
+	resources, err := restmapper.GetAPIGroupResources(m.discoveryClient)
+	if err != nil {
+		return err
+	}
+	newDelegate := restmapper.NewDiscoveryRESTMapper(resources)
+
+	// don't lock until we're ready to replace
+	m.mu.Lock()
+	defer m.mu.Unlock()
+	m.delegate = newDelegate
+
+	return nil
+}
+
+func (m *RegeneratingDiscoveryRESTMapper) KindFor(resource schema.GroupVersionResource) (schema.GroupVersionKind, error) {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+
+	return m.delegate.KindFor(resource)
+}
+
+func (m *RegeneratingDiscoveryRESTMapper) KindsFor(resource schema.GroupVersionResource) ([]schema.GroupVersionKind, error) {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+
+	return m.delegate.KindsFor(resource)
+
+}
+func (m *RegeneratingDiscoveryRESTMapper) ResourceFor(input schema.GroupVersionResource) (schema.GroupVersionResource, error) {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+
+	return m.delegate.ResourceFor(input)
+
+}
+func (m *RegeneratingDiscoveryRESTMapper) ResourcesFor(input schema.GroupVersionResource) ([]schema.GroupVersionResource, error) {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+
+	return m.delegate.ResourcesFor(input)
+
+}
+func (m *RegeneratingDiscoveryRESTMapper) RESTMapping(gk schema.GroupKind, versions ...string) (*meta.RESTMapping, error) {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+
+	return m.delegate.RESTMapping(gk, versions...)
+
+}
+func (m *RegeneratingDiscoveryRESTMapper) RESTMappings(gk schema.GroupKind, versions ...string) ([]*meta.RESTMapping, error) {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+
+	return m.delegate.RESTMappings(gk, versions...)
+}
+func (m *RegeneratingDiscoveryRESTMapper) ResourceSingularizer(resource string) (singular string, err error) {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+
+	return m.delegate.ResourceSingularizer(resource)
+}