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/server/storage/doc.go

@@ -0,0 +1,18 @@
+/*
+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 storage contains the plumbing to setup the etcd storage of the apiserver.
+package storage

vendor/k8s.io/apiserver/pkg/server/storage/resource_config.go

@@ -0,0 +1,83 @@
+/*
+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 storage
+
+import (
+	"k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+// APIResourceConfigSource is the interface to determine which groups and versions are enabled
+type APIResourceConfigSource interface {
+	VersionEnabled(version schema.GroupVersion) bool
+	AnyVersionForGroupEnabled(group string) bool
+}
+
+var _ APIResourceConfigSource = &ResourceConfig{}
+
+type ResourceConfig struct {
+	GroupVersionConfigs map[schema.GroupVersion]bool
+}
+
+func NewResourceConfig() *ResourceConfig {
+	return &ResourceConfig{GroupVersionConfigs: map[schema.GroupVersion]bool{}}
+}
+
+func (o *ResourceConfig) DisableAll() {
+	for k := range o.GroupVersionConfigs {
+		o.GroupVersionConfigs[k] = false
+	}
+}
+
+func (o *ResourceConfig) EnableAll() {
+	for k := range o.GroupVersionConfigs {
+		o.GroupVersionConfigs[k] = true
+	}
+}
+
+// DisableVersions disables the versions entirely.
+func (o *ResourceConfig) DisableVersions(versions ...schema.GroupVersion) {
+	for _, version := range versions {
+		o.GroupVersionConfigs[version] = false
+	}
+}
+
+func (o *ResourceConfig) EnableVersions(versions ...schema.GroupVersion) {
+	for _, version := range versions {
+		o.GroupVersionConfigs[version] = true
+	}
+}
+
+func (o *ResourceConfig) VersionEnabled(version schema.GroupVersion) bool {
+	enabled, _ := o.GroupVersionConfigs[version]
+	if enabled {
+		return true
+	}
+
+	return false
+}
+
+func (o *ResourceConfig) AnyVersionForGroupEnabled(group string) bool {
+	for version := range o.GroupVersionConfigs {
+		if version.Group == group {
+			if o.VersionEnabled(version) {
+				return true
+			}
+		}
+	}
+
+	return false
+}

vendor/k8s.io/apiserver/pkg/server/storage/resource_encoding_config.go

@@ -0,0 +1,119 @@
+/*
+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 storage
+
+import (
+	"fmt"
+
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+type ResourceEncodingConfig interface {
+	// StorageEncoding returns the serialization format for the resource.
+	// TODO this should actually return a GroupVersionKind since you can logically have multiple "matching" Kinds
+	// For now, it returns just the GroupVersion for consistency with old behavior
+	StorageEncodingFor(schema.GroupResource) (schema.GroupVersion, error)
+
+	// InMemoryEncodingFor returns the groupVersion for the in memory representation the storage should convert to.
+	InMemoryEncodingFor(schema.GroupResource) (schema.GroupVersion, error)
+}
+
+type DefaultResourceEncodingConfig struct {
+	groups map[string]*GroupResourceEncodingConfig
+	scheme *runtime.Scheme
+}
+
+type GroupResourceEncodingConfig struct {
+	DefaultExternalEncoding   schema.GroupVersion
+	ExternalResourceEncodings map[string]schema.GroupVersion
+
+	DefaultInternalEncoding   schema.GroupVersion
+	InternalResourceEncodings map[string]schema.GroupVersion
+}
+
+var _ ResourceEncodingConfig = &DefaultResourceEncodingConfig{}
+
+func NewDefaultResourceEncodingConfig(scheme *runtime.Scheme) *DefaultResourceEncodingConfig {
+	return &DefaultResourceEncodingConfig{groups: map[string]*GroupResourceEncodingConfig{}, scheme: scheme}
+}
+
+func newGroupResourceEncodingConfig(defaultEncoding, defaultInternalVersion schema.GroupVersion) *GroupResourceEncodingConfig {
+	return &GroupResourceEncodingConfig{
+		DefaultExternalEncoding: defaultEncoding, ExternalResourceEncodings: map[string]schema.GroupVersion{},
+		DefaultInternalEncoding: defaultInternalVersion, InternalResourceEncodings: map[string]schema.GroupVersion{},
+	}
+}
+
+func (o *DefaultResourceEncodingConfig) SetVersionEncoding(group string, externalEncodingVersion, internalVersion schema.GroupVersion) {
+	_, groupExists := o.groups[group]
+	if !groupExists {
+		o.groups[group] = newGroupResourceEncodingConfig(externalEncodingVersion, internalVersion)
+	}
+
+	o.groups[group].DefaultExternalEncoding = externalEncodingVersion
+	o.groups[group].DefaultInternalEncoding = internalVersion
+}
+
+func (o *DefaultResourceEncodingConfig) SetResourceEncoding(resourceBeingStored schema.GroupResource, externalEncodingVersion, internalVersion schema.GroupVersion) {
+	group := resourceBeingStored.Group
+	_, groupExists := o.groups[group]
+	if !groupExists {
+		o.groups[group] = newGroupResourceEncodingConfig(externalEncodingVersion, internalVersion)
+	}
+
+	o.groups[group].ExternalResourceEncodings[resourceBeingStored.Resource] = externalEncodingVersion
+	o.groups[group].InternalResourceEncodings[resourceBeingStored.Resource] = internalVersion
+}
+
+func (o *DefaultResourceEncodingConfig) StorageEncodingFor(resource schema.GroupResource) (schema.GroupVersion, error) {
+	if !o.scheme.IsGroupRegistered(resource.Group) {
+		return schema.GroupVersion{}, fmt.Errorf("group %q is not registered in scheme", resource.Group)
+	}
+
+	groupEncoding, groupExists := o.groups[resource.Group]
+
+	if !groupExists {
+		// return the most preferred external version for the group
+		return o.scheme.PrioritizedVersionsForGroup(resource.Group)[0], nil
+	}
+
+	resourceOverride, resourceExists := groupEncoding.ExternalResourceEncodings[resource.Resource]
+	if !resourceExists {
+		return groupEncoding.DefaultExternalEncoding, nil
+	}
+
+	return resourceOverride, nil
+}
+
+func (o *DefaultResourceEncodingConfig) InMemoryEncodingFor(resource schema.GroupResource) (schema.GroupVersion, error) {
+	if !o.scheme.IsGroupRegistered(resource.Group) {
+		return schema.GroupVersion{}, fmt.Errorf("group %q is not registered in scheme", resource.Group)
+	}
+
+	groupEncoding, groupExists := o.groups[resource.Group]
+	if !groupExists {
+		return schema.GroupVersion{Group: resource.Group, Version: runtime.APIVersionInternal}, nil
+	}
+
+	resourceOverride, resourceExists := groupEncoding.InternalResourceEncodings[resource.Resource]
+	if !resourceExists {
+		return groupEncoding.DefaultInternalEncoding, nil
+	}
+
+	return resourceOverride, nil
+}

vendor/k8s.io/apiserver/pkg/server/storage/storage_codec.go

@@ -0,0 +1,108 @@
+/*
+Copyright 2017 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 storage
+
+import (
+	"fmt"
+	"mime"
+
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/runtime/serializer/recognizer"
+	"k8s.io/apiserver/pkg/storage/storagebackend"
+
+	"github.com/golang/glog"
+)
+
+// StorageCodecConfig are the arguments passed to newStorageCodecFn
+type StorageCodecConfig struct {
+	StorageMediaType  string
+	StorageSerializer runtime.StorageSerializer
+	StorageVersion    schema.GroupVersion
+	MemoryVersion     schema.GroupVersion
+	Config            storagebackend.Config
+
+	EncoderDecoratorFn func(runtime.Encoder) runtime.Encoder
+	DecoderDecoratorFn func([]runtime.Decoder) []runtime.Decoder
+}
+
+// NewStorageCodec assembles a storage codec for the provided storage media type, the provided serializer, and the requested
+// storage and memory versions.
+func NewStorageCodec(opts StorageCodecConfig) (runtime.Codec, error) {
+	mediaType, _, err := mime.ParseMediaType(opts.StorageMediaType)
+	if err != nil {
+		return nil, fmt.Errorf("%q is not a valid mime-type", opts.StorageMediaType)
+	}
+
+	if opts.Config.Type == storagebackend.StorageTypeETCD2 && mediaType != "application/json" {
+		glog.Warningf(`storage type %q does not support media type %q, using "application/json"`, storagebackend.StorageTypeETCD2, mediaType)
+		mediaType = "application/json"
+	}
+
+	serializer, ok := runtime.SerializerInfoForMediaType(opts.StorageSerializer.SupportedMediaTypes(), mediaType)
+	if !ok {
+		return nil, fmt.Errorf("unable to find serializer for %q", mediaType)
+	}
+
+	s := serializer.Serializer
+
+	// make sure the selected encoder supports string data
+	if !serializer.EncodesAsText && opts.Config.Type == storagebackend.StorageTypeETCD2 {
+		return nil, fmt.Errorf("storage type %q does not support binary media type %q", storagebackend.StorageTypeETCD2, mediaType)
+	}
+
+	// Give callers the opportunity to wrap encoders and decoders.  For decoders, each returned decoder will
+	// be passed to the recognizer so that multiple decoders are available.
+	var encoder runtime.Encoder = s
+	if opts.EncoderDecoratorFn != nil {
+		encoder = opts.EncoderDecoratorFn(encoder)
+	}
+	decoders := []runtime.Decoder{
+		// selected decoder as the primary
+		s,
+		// universal deserializer as a fallback
+		opts.StorageSerializer.UniversalDeserializer(),
+		// base64-wrapped universal deserializer as a last resort.
+		// this allows reading base64-encoded protobuf, which should only exist if etcd2+protobuf was used at some point.
+		// data written that way could exist in etcd2, or could have been migrated to etcd3.
+		// TODO: flag this type of data if we encounter it, require migration (read to decode, write to persist using a supported encoder), and remove in 1.8
+		runtime.NewBase64Serializer(nil, opts.StorageSerializer.UniversalDeserializer()),
+	}
+	if opts.DecoderDecoratorFn != nil {
+		decoders = opts.DecoderDecoratorFn(decoders)
+	}
+
+	// Ensure the storage receives the correct version.
+	encoder = opts.StorageSerializer.EncoderForVersion(
+		encoder,
+		runtime.NewMultiGroupVersioner(
+			opts.StorageVersion,
+			schema.GroupKind{Group: opts.StorageVersion.Group},
+			schema.GroupKind{Group: opts.MemoryVersion.Group},
+		),
+	)
+	decoder := opts.StorageSerializer.DecoderToVersion(
+		recognizer.NewDecoder(decoders...),
+		runtime.NewMultiGroupVersioner(
+			opts.MemoryVersion,
+			schema.GroupKind{Group: opts.MemoryVersion.Group},
+			schema.GroupKind{Group: opts.StorageVersion.Group},
+		),
+	)
+
+	return runtime.NewCodec(encoder, decoder), nil
+}

vendor/k8s.io/apiserver/pkg/server/storage/storage_factory.go

@@ -0,0 +1,350 @@
+/*
+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 storage
+
+import (
+	"crypto/tls"
+	"crypto/x509"
+	"io/ioutil"
+	"strings"
+
+	"github.com/golang/glog"
+
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/util/sets"
+	"k8s.io/apiserver/pkg/features"
+	"k8s.io/apiserver/pkg/storage/storagebackend"
+	"k8s.io/apiserver/pkg/storage/value"
+	utilfeature "k8s.io/apiserver/pkg/util/feature"
+)
+
+// Backend describes the storage servers, the information here should be enough
+// for health validations.
+type Backend struct {
+	// the url of storage backend like: https://etcd.domain:2379
+	Server string
+	// the required tls config
+	TLSConfig *tls.Config
+}
+
+// StorageFactory is the interface to locate the storage for a given GroupResource
+type StorageFactory interface {
+	// New finds the storage destination for the given group and resource. It will
+	// return an error if the group has no storage destination configured.
+	NewConfig(groupResource schema.GroupResource) (*storagebackend.Config, error)
+
+	// ResourcePrefix returns the overridden resource prefix for the GroupResource
+	// This allows for cohabitation of resources with different native types and provides
+	// centralized control over the shape of etcd directories
+	ResourcePrefix(groupResource schema.GroupResource) string
+
+	// Backends gets all backends for all registered storage destinations.
+	// Used for getting all instances for health validations.
+	Backends() []Backend
+}
+
+// DefaultStorageFactory takes a GroupResource and returns back its storage interface.  This result includes:
+// 1. Merged etcd config, including: auth, server locations, prefixes
+// 2. Resource encodings for storage: group,version,kind to store as
+// 3. Cohabitating default: some resources like hpa are exposed through multiple APIs.  They must agree on 1 and 2
+type DefaultStorageFactory struct {
+	// StorageConfig describes how to create a storage backend in general.
+	// Its authentication information will be used for every storage.Interface returned.
+	StorageConfig storagebackend.Config
+
+	Overrides map[schema.GroupResource]groupResourceOverrides
+
+	DefaultResourcePrefixes map[schema.GroupResource]string
+
+	// DefaultMediaType is the media type used to store resources. If it is not set, "application/json" is used.
+	DefaultMediaType string
+
+	// DefaultSerializer is used to create encoders and decoders for the storage.Interface.
+	DefaultSerializer runtime.StorageSerializer
+
+	// ResourceEncodingConfig describes how to encode a particular GroupVersionResource
+	ResourceEncodingConfig ResourceEncodingConfig
+
+	// APIResourceConfigSource indicates whether the *storage* is enabled, NOT the API
+	// This is discrete from resource enablement because those are separate concerns.  How this source is configured
+	// is left to the caller.
+	APIResourceConfigSource APIResourceConfigSource
+
+	// newStorageCodecFn exists to be overwritten for unit testing.
+	newStorageCodecFn func(opts StorageCodecConfig) (codec runtime.Codec, err error)
+}
+
+type groupResourceOverrides struct {
+	// etcdLocation contains the list of "special" locations that are used for particular GroupResources
+	// These are merged on top of the StorageConfig when requesting the storage.Interface for a given GroupResource
+	etcdLocation []string
+	// etcdPrefix is the base location for a GroupResource.
+	etcdPrefix string
+	// etcdResourcePrefix is the location to use to store a particular type under the `etcdPrefix` location
+	// If empty, the default mapping is used.  If the default mapping doesn't contain an entry, it will use
+	// the ToLowered name of the resource, not including the group.
+	etcdResourcePrefix string
+	// mediaType is the desired serializer to choose. If empty, the default is chosen.
+	mediaType string
+	// serializer contains the list of "special" serializers for a GroupResource.  Resource=* means for the entire group
+	serializer runtime.StorageSerializer
+	// cohabitatingResources keeps track of which resources must be stored together.  This happens when we have multiple ways
+	// of exposing one set of concepts.  autoscaling.HPA and extensions.HPA as a for instance
+	// The order of the slice matters!  It is the priority order of lookup for finding a storage location
+	cohabitatingResources []schema.GroupResource
+	// encoderDecoratorFn is optional and may wrap the provided encoder prior to being serialized.
+	encoderDecoratorFn func(runtime.Encoder) runtime.Encoder
+	// decoderDecoratorFn is optional and may wrap the provided decoders (can add new decoders). The order of
+	// returned decoders will be priority for attempt to decode.
+	decoderDecoratorFn func([]runtime.Decoder) []runtime.Decoder
+	// transformer is optional and shall encrypt that resource at rest.
+	transformer value.Transformer
+	// disablePaging will prevent paging on the provided resource.
+	disablePaging bool
+}
+
+// Apply overrides the provided config and options if the override has a value in that position
+func (o groupResourceOverrides) Apply(config *storagebackend.Config, options *StorageCodecConfig) {
+	if len(o.etcdLocation) > 0 {
+		config.ServerList = o.etcdLocation
+	}
+	if len(o.etcdPrefix) > 0 {
+		config.Prefix = o.etcdPrefix
+	}
+
+	if len(o.mediaType) > 0 {
+		options.StorageMediaType = o.mediaType
+	}
+	if o.serializer != nil {
+		options.StorageSerializer = o.serializer
+	}
+	if o.encoderDecoratorFn != nil {
+		options.EncoderDecoratorFn = o.encoderDecoratorFn
+	}
+	if o.decoderDecoratorFn != nil {
+		options.DecoderDecoratorFn = o.decoderDecoratorFn
+	}
+	if o.transformer != nil {
+		config.Transformer = o.transformer
+	}
+	if o.disablePaging {
+		config.Paging = false
+	}
+}
+
+var _ StorageFactory = &DefaultStorageFactory{}
+
+const AllResources = "*"
+
+func NewDefaultStorageFactory(
+	config storagebackend.Config,
+	defaultMediaType string,
+	defaultSerializer runtime.StorageSerializer,
+	resourceEncodingConfig ResourceEncodingConfig,
+	resourceConfig APIResourceConfigSource,
+	specialDefaultResourcePrefixes map[schema.GroupResource]string,
+) *DefaultStorageFactory {
+	config.Paging = utilfeature.DefaultFeatureGate.Enabled(features.APIListChunking)
+	if len(defaultMediaType) == 0 {
+		defaultMediaType = runtime.ContentTypeJSON
+	}
+	return &DefaultStorageFactory{
+		StorageConfig:           config,
+		Overrides:               map[schema.GroupResource]groupResourceOverrides{},
+		DefaultMediaType:        defaultMediaType,
+		DefaultSerializer:       defaultSerializer,
+		ResourceEncodingConfig:  resourceEncodingConfig,
+		APIResourceConfigSource: resourceConfig,
+		DefaultResourcePrefixes: specialDefaultResourcePrefixes,
+
+		newStorageCodecFn: NewStorageCodec,
+	}
+}
+
+func (s *DefaultStorageFactory) SetEtcdLocation(groupResource schema.GroupResource, location []string) {
+	overrides := s.Overrides[groupResource]
+	overrides.etcdLocation = location
+	s.Overrides[groupResource] = overrides
+}
+
+func (s *DefaultStorageFactory) SetEtcdPrefix(groupResource schema.GroupResource, prefix string) {
+	overrides := s.Overrides[groupResource]
+	overrides.etcdPrefix = prefix
+	s.Overrides[groupResource] = overrides
+}
+
+// SetDisableAPIListChunking allows a specific resource to disable paging at the storage layer, to prevent
+// exposure of key names in continuations. This may be overridden by feature gates.
+func (s *DefaultStorageFactory) SetDisableAPIListChunking(groupResource schema.GroupResource) {
+	overrides := s.Overrides[groupResource]
+	overrides.disablePaging = true
+	s.Overrides[groupResource] = overrides
+}
+
+// SetResourceEtcdPrefix sets the prefix for a resource, but not the base-dir.  You'll end up in `etcdPrefix/resourceEtcdPrefix`.
+func (s *DefaultStorageFactory) SetResourceEtcdPrefix(groupResource schema.GroupResource, prefix string) {
+	overrides := s.Overrides[groupResource]
+	overrides.etcdResourcePrefix = prefix
+	s.Overrides[groupResource] = overrides
+}
+
+func (s *DefaultStorageFactory) SetSerializer(groupResource schema.GroupResource, mediaType string, serializer runtime.StorageSerializer) {
+	overrides := s.Overrides[groupResource]
+	overrides.mediaType = mediaType
+	overrides.serializer = serializer
+	s.Overrides[groupResource] = overrides
+}
+
+func (s *DefaultStorageFactory) SetTransformer(groupResource schema.GroupResource, transformer value.Transformer) {
+	overrides := s.Overrides[groupResource]
+	overrides.transformer = transformer
+	s.Overrides[groupResource] = overrides
+}
+
+// AddCohabitatingResources links resources together the order of the slice matters!  its the priority order of lookup for finding a storage location
+func (s *DefaultStorageFactory) AddCohabitatingResources(groupResources ...schema.GroupResource) {
+	for _, groupResource := range groupResources {
+		overrides := s.Overrides[groupResource]
+		overrides.cohabitatingResources = groupResources
+		s.Overrides[groupResource] = overrides
+	}
+}
+
+func (s *DefaultStorageFactory) AddSerializationChains(encoderDecoratorFn func(runtime.Encoder) runtime.Encoder, decoderDecoratorFn func([]runtime.Decoder) []runtime.Decoder, groupResources ...schema.GroupResource) {
+	for _, groupResource := range groupResources {
+		overrides := s.Overrides[groupResource]
+		overrides.encoderDecoratorFn = encoderDecoratorFn
+		overrides.decoderDecoratorFn = decoderDecoratorFn
+		s.Overrides[groupResource] = overrides
+	}
+}
+
+func getAllResourcesAlias(resource schema.GroupResource) schema.GroupResource {
+	return schema.GroupResource{Group: resource.Group, Resource: AllResources}
+}
+
+func (s *DefaultStorageFactory) getStorageGroupResource(groupResource schema.GroupResource) schema.GroupResource {
+	for _, potentialStorageResource := range s.Overrides[groupResource].cohabitatingResources {
+		if s.APIResourceConfigSource.AnyVersionForGroupEnabled(potentialStorageResource.Group) {
+			return potentialStorageResource
+		}
+	}
+
+	return groupResource
+}
+
+// New finds the storage destination for the given group and resource. It will
+// return an error if the group has no storage destination configured.
+func (s *DefaultStorageFactory) NewConfig(groupResource schema.GroupResource) (*storagebackend.Config, error) {
+	chosenStorageResource := s.getStorageGroupResource(groupResource)
+
+	// operate on copy
+	storageConfig := s.StorageConfig
+	codecConfig := StorageCodecConfig{
+		StorageMediaType:  s.DefaultMediaType,
+		StorageSerializer: s.DefaultSerializer,
+	}
+
+	if override, ok := s.Overrides[getAllResourcesAlias(chosenStorageResource)]; ok {
+		override.Apply(&storageConfig, &codecConfig)
+	}
+	if override, ok := s.Overrides[chosenStorageResource]; ok {
+		override.Apply(&storageConfig, &codecConfig)
+	}
+
+	var err error
+	codecConfig.StorageVersion, err = s.ResourceEncodingConfig.StorageEncodingFor(chosenStorageResource)
+	if err != nil {
+		return nil, err
+	}
+	codecConfig.MemoryVersion, err = s.ResourceEncodingConfig.InMemoryEncodingFor(groupResource)
+	if err != nil {
+		return nil, err
+	}
+	codecConfig.Config = storageConfig
+
+	storageConfig.Codec, err = s.newStorageCodecFn(codecConfig)
+	if err != nil {
+		return nil, err
+	}
+	glog.V(3).Infof("storing %v in %v, reading as %v from %#v", groupResource, codecConfig.StorageVersion, codecConfig.MemoryVersion, codecConfig.Config)
+
+	return &storageConfig, nil
+}
+
+// Backends returns all backends for all registered storage destinations.
+// Used for getting all instances for health validations.
+func (s *DefaultStorageFactory) Backends() []Backend {
+	servers := sets.NewString(s.StorageConfig.ServerList...)
+
+	for _, overrides := range s.Overrides {
+		servers.Insert(overrides.etcdLocation...)
+	}
+
+	tlsConfig := &tls.Config{
+		InsecureSkipVerify: true,
+	}
+	if len(s.StorageConfig.CertFile) > 0 && len(s.StorageConfig.KeyFile) > 0 {
+		cert, err := tls.LoadX509KeyPair(s.StorageConfig.CertFile, s.StorageConfig.KeyFile)
+		if err != nil {
+			glog.Errorf("failed to load key pair while getting backends: %s", err)
+		} else {
+			tlsConfig.Certificates = []tls.Certificate{cert}
+		}
+	}
+	if len(s.StorageConfig.CAFile) > 0 {
+		if caCert, err := ioutil.ReadFile(s.StorageConfig.CAFile); err != nil {
+			glog.Errorf("failed to read ca file while getting backends: %s", err)
+		} else {
+			caPool := x509.NewCertPool()
+			caPool.AppendCertsFromPEM(caCert)
+			tlsConfig.RootCAs = caPool
+			tlsConfig.InsecureSkipVerify = false
+		}
+	}
+
+	backends := []Backend{}
+	for server := range servers {
+		backends = append(backends, Backend{
+			Server: server,
+			// We can't share TLSConfig across different backends to avoid races.
+			// For more details see: http://pr.k8s.io/59338
+			TLSConfig: tlsConfig.Clone(),
+		})
+	}
+	return backends
+}
+
+func (s *DefaultStorageFactory) ResourcePrefix(groupResource schema.GroupResource) string {
+	chosenStorageResource := s.getStorageGroupResource(groupResource)
+	groupOverride := s.Overrides[getAllResourcesAlias(chosenStorageResource)]
+	exactResourceOverride := s.Overrides[chosenStorageResource]
+
+	etcdResourcePrefix := s.DefaultResourcePrefixes[chosenStorageResource]
+	if len(groupOverride.etcdResourcePrefix) > 0 {
+		etcdResourcePrefix = groupOverride.etcdResourcePrefix
+	}
+	if len(exactResourceOverride.etcdResourcePrefix) > 0 {
+		etcdResourcePrefix = exactResourceOverride.etcdResourcePrefix
+	}
+	if len(etcdResourcePrefix) == 0 {
+		etcdResourcePrefix = strings.ToLower(chosenStorageResource.Resource)
+	}
+
+	return etcdResourcePrefix
+}