Add glide.yaml and vendor deps

vendor/k8s.io/kubernetes/pkg/kubectl/resource/BUILD

@@ -0,0 +1,81 @@
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_binary",
+    "go_library",
+    "go_test",
+    "cgo_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "builder.go",
+        "doc.go",
+        "helper.go",
+        "interfaces.go",
+        "mapper.go",
+        "result.go",
+        "selector.go",
+        "visitor.go",
+    ],
+    tags = ["automanaged"],
+    deps = [
+        "//pkg/api:go_default_library",
+        "//pkg/api/errors:go_default_library",
+        "//pkg/api/meta:go_default_library",
+        "//pkg/api/validation:go_default_library",
+        "//pkg/apimachinery/registered:go_default_library",
+        "//pkg/apis/extensions:go_default_library",
+        "//pkg/apis/meta/v1:go_default_library",
+        "//pkg/client/restclient:go_default_library",
+        "//pkg/labels:go_default_library",
+        "//pkg/runtime:go_default_library",
+        "//pkg/runtime/schema:go_default_library",
+        "//pkg/util/errors:go_default_library",
+        "//pkg/util/sets:go_default_library",
+        "//pkg/util/yaml:go_default_library",
+        "//pkg/watch:go_default_library",
+    ],
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = [
+        "builder_test.go",
+        "helper_test.go",
+        "visitor_test.go",
+    ],
+    data = [
+        "//examples:config",
+        "//test/fixtures",
+    ],
+    library = "go_default_library",
+    tags = [
+        "automanaged",
+        "skip",
+    ],
+    deps = [
+        "//pkg/api:go_default_library",
+        "//pkg/api/meta:go_default_library",
+        "//pkg/api/resource:go_default_library",
+        "//pkg/api/testapi:go_default_library",
+        "//pkg/api/testing:go_default_library",
+        "//pkg/api/v1:go_default_library",
+        "//pkg/apimachinery/registered:go_default_library",
+        "//pkg/apis/meta/v1:go_default_library",
+        "//pkg/client/restclient/fake:go_default_library",
+        "//pkg/labels:go_default_library",
+        "//pkg/runtime:go_default_library",
+        "//pkg/runtime/serializer/streaming:go_default_library",
+        "//pkg/util/errors:go_default_library",
+        "//pkg/util/testing:go_default_library",
+        "//pkg/watch:go_default_library",
+        "//pkg/watch/versioned:go_default_library",
+        "//vendor:github.com/ghodss/yaml",
+        "//vendor:github.com/stretchr/testify/assert",
+    ],
+)

vendor/k8s.io/kubernetes/pkg/kubectl/resource/doc.go

@@ -0,0 +1,24 @@
+/*
+Copyright 2014 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 resource assists clients in dealing with RESTful objects that match the
+// Kubernetes API conventions. The Helper object provides simple CRUD operations
+// on resources. The Visitor interface makes it easy to deal with multiple resources
+// in bulk for retrieval and operation. The Builder object simplifies converting
+// standard command line arguments and parameters into a Visitor that can iterate
+// over all of the identified resources, whether on the server or on the local
+// filesystem.
+package resource // import "k8s.io/kubernetes/pkg/kubectl/resource"

vendor/k8s.io/kubernetes/pkg/kubectl/resource/helper.go

@@ -0,0 +1,166 @@
+/*
+Copyright 2014 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 resource
+
+import (
+	"strconv"
+
+	"k8s.io/kubernetes/pkg/api"
+	"k8s.io/kubernetes/pkg/api/meta"
+	"k8s.io/kubernetes/pkg/labels"
+	"k8s.io/kubernetes/pkg/runtime"
+	"k8s.io/kubernetes/pkg/watch"
+)
+
+// Helper provides methods for retrieving or mutating a RESTful
+// resource.
+type Helper struct {
+	// The name of this resource as the server would recognize it
+	Resource string
+	// A RESTClient capable of mutating this resource.
+	RESTClient RESTClient
+	// An interface for reading or writing the resource version of this
+	// type.
+	Versioner runtime.ResourceVersioner
+	// True if the resource type is scoped to namespaces
+	NamespaceScoped bool
+}
+
+// NewHelper creates a Helper from a ResourceMapping
+func NewHelper(client RESTClient, mapping *meta.RESTMapping) *Helper {
+	return &Helper{
+		Resource:        mapping.Resource,
+		RESTClient:      client,
+		Versioner:       mapping.MetadataAccessor,
+		NamespaceScoped: mapping.Scope.Name() == meta.RESTScopeNameNamespace,
+	}
+}
+
+func (m *Helper) Get(namespace, name string, export bool) (runtime.Object, error) {
+	req := m.RESTClient.Get().
+		NamespaceIfScoped(namespace, m.NamespaceScoped).
+		Resource(m.Resource).
+		Name(name)
+	if export {
+		req.Param("export", strconv.FormatBool(export))
+	}
+	return req.Do().Get()
+}
+
+// TODO: add field selector
+func (m *Helper) List(namespace, apiVersion string, selector labels.Selector, export bool) (runtime.Object, error) {
+	req := m.RESTClient.Get().
+		NamespaceIfScoped(namespace, m.NamespaceScoped).
+		Resource(m.Resource).
+		LabelsSelectorParam(selector)
+	if export {
+		req.Param("export", strconv.FormatBool(export))
+	}
+	return req.Do().Get()
+}
+
+func (m *Helper) Watch(namespace, resourceVersion, apiVersion string, labelSelector labels.Selector) (watch.Interface, error) {
+	return m.RESTClient.Get().
+		Prefix("watch").
+		NamespaceIfScoped(namespace, m.NamespaceScoped).
+		Resource(m.Resource).
+		Param("resourceVersion", resourceVersion).
+		LabelsSelectorParam(labelSelector).
+		Watch()
+}
+
+func (m *Helper) WatchSingle(namespace, name, resourceVersion string) (watch.Interface, error) {
+	return m.RESTClient.Get().
+		Prefix("watch").
+		NamespaceIfScoped(namespace, m.NamespaceScoped).
+		Resource(m.Resource).
+		Name(name).
+		Param("resourceVersion", resourceVersion).
+		Watch()
+}
+
+func (m *Helper) Delete(namespace, name string) error {
+	return m.RESTClient.Delete().
+		NamespaceIfScoped(namespace, m.NamespaceScoped).
+		Resource(m.Resource).
+		Name(name).
+		Do().
+		Error()
+}
+
+func (m *Helper) Create(namespace string, modify bool, obj runtime.Object) (runtime.Object, error) {
+	if modify {
+		// Attempt to version the object based on client logic.
+		version, err := m.Versioner.ResourceVersion(obj)
+		if err != nil {
+			// We don't know how to clear the version on this object, so send it to the server as is
+			return m.createResource(m.RESTClient, m.Resource, namespace, obj)
+		}
+		if version != "" {
+			if err := m.Versioner.SetResourceVersion(obj, ""); err != nil {
+				return nil, err
+			}
+		}
+	}
+
+	return m.createResource(m.RESTClient, m.Resource, namespace, obj)
+}
+
+func (m *Helper) createResource(c RESTClient, resource, namespace string, obj runtime.Object) (runtime.Object, error) {
+	return c.Post().NamespaceIfScoped(namespace, m.NamespaceScoped).Resource(resource).Body(obj).Do().Get()
+}
+func (m *Helper) Patch(namespace, name string, pt api.PatchType, data []byte) (runtime.Object, error) {
+	return m.RESTClient.Patch(pt).
+		NamespaceIfScoped(namespace, m.NamespaceScoped).
+		Resource(m.Resource).
+		Name(name).
+		Body(data).
+		Do().
+		Get()
+}
+
+func (m *Helper) Replace(namespace, name string, overwrite bool, obj runtime.Object) (runtime.Object, error) {
+	c := m.RESTClient
+
+	// Attempt to version the object based on client logic.
+	version, err := m.Versioner.ResourceVersion(obj)
+	if err != nil {
+		// We don't know how to version this object, so send it to the server as is
+		return m.replaceResource(c, m.Resource, namespace, name, obj)
+	}
+	if version == "" && overwrite {
+		// Retrieve the current version of the object to overwrite the server object
+		serverObj, err := c.Get().NamespaceIfScoped(namespace, m.NamespaceScoped).Resource(m.Resource).Name(name).Do().Get()
+		if err != nil {
+			// The object does not exist, but we want it to be created
+			return m.replaceResource(c, m.Resource, namespace, name, obj)
+		}
+		serverVersion, err := m.Versioner.ResourceVersion(serverObj)
+		if err != nil {
+			return nil, err
+		}
+		if err := m.Versioner.SetResourceVersion(obj, serverVersion); err != nil {
+			return nil, err
+		}
+	}
+
+	return m.replaceResource(c, m.Resource, namespace, name, obj)
+}
+
+func (m *Helper) replaceResource(c RESTClient, resource, namespace, name string, obj runtime.Object) (runtime.Object, error) {
+	return c.Put().NamespaceIfScoped(namespace, m.NamespaceScoped).Resource(resource).Name(name).Body(obj).Do().Get()
+}

vendor/k8s.io/kubernetes/pkg/kubectl/resource/interfaces.go

@@ -0,0 +1,46 @@
+/*
+Copyright 2014 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 resource
+
+import (
+	"k8s.io/kubernetes/pkg/api"
+	"k8s.io/kubernetes/pkg/api/meta"
+	client "k8s.io/kubernetes/pkg/client/restclient"
+)
+
+// RESTClient is a client helper for dealing with RESTful resources
+// in a generic way.
+type RESTClient interface {
+	Get() *client.Request
+	Post() *client.Request
+	Patch(api.PatchType) *client.Request
+	Delete() *client.Request
+	Put() *client.Request
+}
+
+// ClientMapper abstracts retrieving a Client for mapped objects.
+type ClientMapper interface {
+	ClientForMapping(mapping *meta.RESTMapping) (RESTClient, error)
+}
+
+// ClientMapperFunc implements ClientMapper for a function
+type ClientMapperFunc func(mapping *meta.RESTMapping) (RESTClient, error)
+
+// ClientForMapping implements ClientMapper
+func (f ClientMapperFunc) ClientForMapping(mapping *meta.RESTMapping) (RESTClient, error) {
+	return f(mapping)
+}

vendor/k8s.io/kubernetes/pkg/kubectl/resource/mapper.go

@@ -0,0 +1,154 @@
+/*
+Copyright 2014 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 resource
+
+import (
+	"fmt"
+	"reflect"
+
+	"k8s.io/kubernetes/pkg/api/meta"
+	"k8s.io/kubernetes/pkg/runtime"
+	"k8s.io/kubernetes/pkg/runtime/schema"
+)
+
+// DisabledClientForMapping allows callers to avoid allowing remote calls when handling
+// resources.
+type DisabledClientForMapping struct {
+	ClientMapper
+}
+
+func (f DisabledClientForMapping) ClientForMapping(mapping *meta.RESTMapping) (RESTClient, error) {
+	return nil, nil
+}
+
+// Mapper is a convenience struct for holding references to the three interfaces
+// needed to create Info for arbitrary objects.
+type Mapper struct {
+	runtime.ObjectTyper
+	meta.RESTMapper
+	ClientMapper
+	runtime.Decoder
+}
+
+// InfoForData creates an Info object for the given data. An error is returned
+// if any of the decoding or client lookup steps fail. Name and namespace will be
+// set into Info if the mapping's MetadataAccessor can retrieve them.
+func (m *Mapper) InfoForData(data []byte, source string) (*Info, error) {
+	versions := &runtime.VersionedObjects{}
+	_, gvk, err := m.Decode(data, nil, versions)
+	if err != nil {
+		return nil, fmt.Errorf("unable to decode %q: %v", source, err)
+	}
+
+	obj, versioned := versions.Last(), versions.First()
+	mapping, err := m.RESTMapping(gvk.GroupKind(), gvk.Version)
+	if err != nil {
+		return nil, fmt.Errorf("unable to recognize %q: %v", source, err)
+	}
+
+	client, err := m.ClientForMapping(mapping)
+	if err != nil {
+		return nil, fmt.Errorf("unable to connect to a server to handle %q: %v", mapping.Resource, err)
+	}
+
+	name, _ := mapping.MetadataAccessor.Name(obj)
+	namespace, _ := mapping.MetadataAccessor.Namespace(obj)
+	resourceVersion, _ := mapping.MetadataAccessor.ResourceVersion(obj)
+
+	return &Info{
+		Mapping:         mapping,
+		Client:          client,
+		Namespace:       namespace,
+		Name:            name,
+		Source:          source,
+		VersionedObject: versioned,
+		Object:          obj,
+		ResourceVersion: resourceVersion,
+	}, nil
+}
+
+// InfoForObject creates an Info object for the given Object. An error is returned
+// if the object cannot be introspected. Name and namespace will be set into Info
+// if the mapping's MetadataAccessor can retrieve them.
+func (m *Mapper) InfoForObject(obj runtime.Object, preferredGVKs []schema.GroupVersionKind) (*Info, error) {
+	groupVersionKinds, _, err := m.ObjectKinds(obj)
+	if err != nil {
+		return nil, fmt.Errorf("unable to get type info from the object %q: %v", reflect.TypeOf(obj), err)
+	}
+
+	groupVersionKind := groupVersionKinds[0]
+	if len(groupVersionKinds) > 1 && len(preferredGVKs) > 0 {
+		groupVersionKind = preferredObjectKind(groupVersionKinds, preferredGVKs)
+	}
+
+	mapping, err := m.RESTMapping(groupVersionKind.GroupKind(), groupVersionKind.Version)
+	if err != nil {
+		return nil, fmt.Errorf("unable to recognize %v: %v", groupVersionKind, err)
+	}
+	client, err := m.ClientForMapping(mapping)
+	if err != nil {
+		return nil, fmt.Errorf("unable to connect to a server to handle %q: %v", mapping.Resource, err)
+	}
+	name, _ := mapping.MetadataAccessor.Name(obj)
+	namespace, _ := mapping.MetadataAccessor.Namespace(obj)
+	resourceVersion, _ := mapping.MetadataAccessor.ResourceVersion(obj)
+	return &Info{
+		Mapping:   mapping,
+		Client:    client,
+		Namespace: namespace,
+		Name:      name,
+
+		Object:          obj,
+		ResourceVersion: resourceVersion,
+	}, nil
+}
+
+// preferredObjectKind picks the possibility that most closely matches the priority list in this order:
+// GroupVersionKind matches (exact match)
+// GroupKind matches
+// Group matches
+func preferredObjectKind(possibilities []schema.GroupVersionKind, preferences []schema.GroupVersionKind) schema.GroupVersionKind {
+	// Exact match
+	for _, priority := range preferences {
+		for _, possibility := range possibilities {
+			if possibility == priority {
+				return possibility
+			}
+		}
+	}
+
+	// GroupKind match
+	for _, priority := range preferences {
+		for _, possibility := range possibilities {
+			if possibility.GroupKind() == priority.GroupKind() {
+				return possibility
+			}
+		}
+	}
+
+	// Group match
+	for _, priority := range preferences {
+		for _, possibility := range possibilities {
+			if possibility.Group == priority.Group {
+				return possibility
+			}
+		}
+	}
+
+	// Just pick the first
+	return possibilities[0]
+}

vendor/k8s.io/kubernetes/pkg/kubectl/resource/result.go

@@ -0,0 +1,292 @@
+/*
+Copyright 2014 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 resource
+
+import (
+	"fmt"
+	"reflect"
+
+	"k8s.io/kubernetes/pkg/api"
+	"k8s.io/kubernetes/pkg/api/meta"
+	"k8s.io/kubernetes/pkg/apimachinery/registered"
+	"k8s.io/kubernetes/pkg/apis/extensions"
+	metav1 "k8s.io/kubernetes/pkg/apis/meta/v1"
+	"k8s.io/kubernetes/pkg/runtime"
+	"k8s.io/kubernetes/pkg/runtime/schema"
+	utilerrors "k8s.io/kubernetes/pkg/util/errors"
+	"k8s.io/kubernetes/pkg/util/sets"
+	"k8s.io/kubernetes/pkg/watch"
+)
+
+// ErrMatchFunc can be used to filter errors that may not be true failures.
+type ErrMatchFunc func(error) bool
+
+// Result contains helper methods for dealing with the outcome of a Builder.
+type Result struct {
+	err     error
+	visitor Visitor
+
+	sources  []Visitor
+	singular bool
+
+	ignoreErrors []utilerrors.Matcher
+
+	// populated by a call to Infos
+	info []*Info
+}
+
+// IgnoreErrors will filter errors that occur when by visiting the result
+// (but not errors that occur by creating the result in the first place),
+// eliminating any that match fns. This is best used in combination with
+// Builder.ContinueOnError(), where the visitors accumulate errors and return
+// them after visiting as a slice of errors. If no errors remain after
+// filtering, the various visitor methods on Result will return nil for
+// err.
+func (r *Result) IgnoreErrors(fns ...ErrMatchFunc) *Result {
+	for _, fn := range fns {
+		r.ignoreErrors = append(r.ignoreErrors, utilerrors.Matcher(fn))
+	}
+	return r
+}
+
+// Err returns one or more errors (via a util.ErrorList) that occurred prior
+// to visiting the elements in the visitor. To see all errors including those
+// that occur during visitation, invoke Infos().
+func (r *Result) Err() error {
+	return r.err
+}
+
+// Visit implements the Visitor interface on the items described in the Builder.
+// Note that some visitor sources are not traversable more than once, or may
+// return different results.  If you wish to operate on the same set of resources
+// multiple times, use the Infos() method.
+func (r *Result) Visit(fn VisitorFunc) error {
+	if r.err != nil {
+		return r.err
+	}
+	err := r.visitor.Visit(fn)
+	return utilerrors.FilterOut(err, r.ignoreErrors...)
+}
+
+// IntoSingular sets the provided boolean pointer to true if the Builder input
+// reflected a single item, or multiple.
+func (r *Result) IntoSingular(b *bool) *Result {
+	*b = r.singular
+	return r
+}
+
+// Infos returns an array of all of the resource infos retrieved via traversal.
+// Will attempt to traverse the entire set of visitors only once, and will return
+// a cached list on subsequent calls.
+func (r *Result) Infos() ([]*Info, error) {
+	if r.err != nil {
+		return nil, r.err
+	}
+	if r.info != nil {
+		return r.info, nil
+	}
+
+	infos := []*Info{}
+	err := r.visitor.Visit(func(info *Info, err error) error {
+		if err != nil {
+			return err
+		}
+		infos = append(infos, info)
+		return nil
+	})
+	err = utilerrors.FilterOut(err, r.ignoreErrors...)
+
+	r.info, r.err = infos, err
+	return infos, err
+}
+
+// Object returns a single object representing the output of a single visit to all
+// found resources.  If the Builder was a singular context (expected to return a
+// single resource by user input) and only a single resource was found, the resource
+// will be returned as is.  Otherwise, the returned resources will be part of an
+// api.List. The ResourceVersion of the api.List will be set only if it is identical
+// across all infos returned.
+func (r *Result) Object() (runtime.Object, error) {
+	infos, err := r.Infos()
+	if err != nil {
+		return nil, err
+	}
+
+	versions := sets.String{}
+	objects := []runtime.Object{}
+	for _, info := range infos {
+		if info.Object != nil {
+			objects = append(objects, info.Object)
+			versions.Insert(info.ResourceVersion)
+		}
+	}
+
+	if len(objects) == 1 {
+		if r.singular {
+			return objects[0], nil
+		}
+		// if the item is a list already, don't create another list
+		if meta.IsListType(objects[0]) {
+			return objects[0], nil
+		}
+	}
+
+	version := ""
+	if len(versions) == 1 {
+		version = versions.List()[0]
+	}
+	return &api.List{
+		ListMeta: metav1.ListMeta{
+			ResourceVersion: version,
+		},
+		Items: objects,
+	}, err
+}
+
+// ResourceMapping returns a single meta.RESTMapping representing the
+// resources located by the builder, or an error if more than one
+// mapping was found.
+func (r *Result) ResourceMapping() (*meta.RESTMapping, error) {
+	if r.err != nil {
+		return nil, r.err
+	}
+	mappings := map[string]*meta.RESTMapping{}
+	for i := range r.sources {
+		m, ok := r.sources[i].(ResourceMapping)
+		if !ok {
+			return nil, fmt.Errorf("a resource mapping could not be loaded from %v", reflect.TypeOf(r.sources[i]))
+		}
+		mapping := m.ResourceMapping()
+		mappings[mapping.Resource] = mapping
+	}
+	if len(mappings) != 1 {
+		return nil, fmt.Errorf("expected only a single resource type")
+	}
+	for _, mapping := range mappings {
+		return mapping, nil
+	}
+	return nil, nil
+}
+
+// Watch retrieves changes that occur on the server to the specified resource.
+// It currently supports watching a single source - if the resource source
+// (selectors or pure types) can be watched, they will be, otherwise the list
+// will be visited (equivalent to the Infos() call) and if there is a single
+// resource present, it will be watched, otherwise an error will be returned.
+func (r *Result) Watch(resourceVersion string) (watch.Interface, error) {
+	if r.err != nil {
+		return nil, r.err
+	}
+	if len(r.sources) != 1 {
+		return nil, fmt.Errorf("you may only watch a single resource or type of resource at a time")
+	}
+	w, ok := r.sources[0].(Watchable)
+	if !ok {
+		info, err := r.Infos()
+		if err != nil {
+			return nil, err
+		}
+		if len(info) != 1 {
+			return nil, fmt.Errorf("watch is only supported on individual resources and resource collections - %d resources were found", len(info))
+		}
+		return info[0].Watch(resourceVersion)
+	}
+	return w.Watch(resourceVersion)
+}
+
+// AsVersionedObject converts a list of infos into a single object - either a List containing
+// the objects as children, or if only a single Object is present, as that object. The provided
+// version will be preferred as the conversion target, but the Object's mapping version will be
+// used if that version is not present.
+func AsVersionedObject(infos []*Info, forceList bool, version schema.GroupVersion, encoder runtime.Encoder) (runtime.Object, error) {
+	objects, err := AsVersionedObjects(infos, version, encoder)
+	if err != nil {
+		return nil, err
+	}
+
+	var object runtime.Object
+	if len(objects) == 1 && !forceList {
+		object = objects[0]
+	} else {
+		object = &api.List{Items: objects}
+		converted, err := TryConvert(api.Scheme, object, version, registered.GroupOrDie(api.GroupName).GroupVersion)
+		if err != nil {
+			return nil, err
+		}
+		object = converted
+	}
+	return object, nil
+}
+
+// AsVersionedObjects converts a list of infos into versioned objects. The provided
+// version will be preferred as the conversion target, but the Object's mapping version will be
+// used if that version is not present.
+func AsVersionedObjects(infos []*Info, version schema.GroupVersion, encoder runtime.Encoder) ([]runtime.Object, error) {
+	objects := []runtime.Object{}
+	for _, info := range infos {
+		if info.Object == nil {
+			continue
+		}
+
+		// TODO: use info.VersionedObject as the value?
+		switch obj := info.Object.(type) {
+		case *extensions.ThirdPartyResourceData:
+			objects = append(objects, &runtime.Unknown{Raw: obj.Data})
+			continue
+		}
+
+		// objects that are not part of api.Scheme must be converted to JSON
+		// TODO: convert to map[string]interface{}, attach to runtime.Unknown?
+		if !version.Empty() {
+			if _, _, err := api.Scheme.ObjectKinds(info.Object); runtime.IsNotRegisteredError(err) {
+				// TODO: ideally this would encode to version, but we don't expose multiple codecs here.
+				data, err := runtime.Encode(encoder, info.Object)
+				if err != nil {
+					return nil, err
+				}
+				// TODO: Set ContentEncoding and ContentType.
+				objects = append(objects, &runtime.Unknown{Raw: data})
+				continue
+			}
+		}
+
+		converted, err := TryConvert(info.Mapping.ObjectConvertor, info.Object, version, info.Mapping.GroupVersionKind.GroupVersion())
+		if err != nil {
+			return nil, err
+		}
+		objects = append(objects, converted)
+	}
+	return objects, nil
+}
+
+// TryConvert attempts to convert the given object to the provided versions in order. This function assumes
+// the object is in internal version.
+func TryConvert(converter runtime.ObjectConvertor, object runtime.Object, versions ...schema.GroupVersion) (runtime.Object, error) {
+	var last error
+	for _, version := range versions {
+		if version.Empty() {
+			return object, nil
+		}
+		obj, err := converter.ConvertToVersion(object, version)
+		if err != nil {
+			last = err
+			continue
+		}
+		return obj, nil
+	}
+	return nil, last
+}

vendor/k8s.io/kubernetes/pkg/kubectl/resource/selector.go

@@ -0,0 +1,90 @@
+/*
+Copyright 2014 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 resource
+
+import (
+	"fmt"
+
+	"k8s.io/kubernetes/pkg/api/errors"
+	"k8s.io/kubernetes/pkg/api/meta"
+	"k8s.io/kubernetes/pkg/labels"
+	"k8s.io/kubernetes/pkg/watch"
+)
+
+// Selector is a Visitor for resources that match a label selector.
+type Selector struct {
+	Client    RESTClient
+	Mapping   *meta.RESTMapping
+	Namespace string
+	Selector  labels.Selector
+	Export    bool
+}
+
+// NewSelector creates a resource selector which hides details of getting items by their label selector.
+func NewSelector(client RESTClient, mapping *meta.RESTMapping, namespace string, selector labels.Selector, export bool) *Selector {
+	return &Selector{
+		Client:    client,
+		Mapping:   mapping,
+		Namespace: namespace,
+		Selector:  selector,
+		Export:    export,
+	}
+}
+
+// Visit implements Visitor
+func (r *Selector) Visit(fn VisitorFunc) error {
+	list, err := NewHelper(r.Client, r.Mapping).List(r.Namespace, r.ResourceMapping().GroupVersionKind.GroupVersion().String(), r.Selector, r.Export)
+	if err != nil {
+		if errors.IsBadRequest(err) || errors.IsNotFound(err) {
+			if se, ok := err.(*errors.StatusError); ok {
+				// modify the message without hiding this is an API error
+				if r.Selector.Empty() {
+					se.ErrStatus.Message = fmt.Sprintf("Unable to list %q: %v", r.Mapping.Resource, se.ErrStatus.Message)
+				} else {
+					se.ErrStatus.Message = fmt.Sprintf("Unable to find %q that match the selector %q: %v", r.Mapping.Resource, r.Selector, se.ErrStatus.Message)
+				}
+				return se
+			}
+			if r.Selector.Empty() {
+				return fmt.Errorf("Unable to list %q: %v", r.Mapping.Resource, err)
+			} else {
+				return fmt.Errorf("Unable to find %q that match the selector %q: %v", r.Mapping.Resource, r.Selector, err)
+			}
+		}
+		return err
+	}
+	accessor := r.Mapping.MetadataAccessor
+	resourceVersion, _ := accessor.ResourceVersion(list)
+	info := &Info{
+		Client:    r.Client,
+		Mapping:   r.Mapping,
+		Namespace: r.Namespace,
+
+		Object:          list,
+		ResourceVersion: resourceVersion,
+	}
+	return fn(info, nil)
+}
+
+func (r *Selector) Watch(resourceVersion string) (watch.Interface, error) {
+	return NewHelper(r.Client, r.Mapping).Watch(r.Namespace, resourceVersion, r.ResourceMapping().GroupVersionKind.GroupVersion().String(), r.Selector)
+}
+
+// ResourceMapping returns the mapping for this resource and implements ResourceMapping
+func (r *Selector) ResourceMapping() *meta.RESTMapping {
+	return r.Mapping
+}

vendor/k8s.io/kubernetes/pkg/kubectl/resource/visitor_test.go

@@ -0,0 +1,102 @@
+/*
+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 resource
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestVisitorHttpGet(t *testing.T) {
+	// Test retries on errors
+	i := 0
+	expectedErr := fmt.Errorf("Failed to get http")
+	actualBytes, actualErr := readHttpWithRetries(func(url string) (int, string, io.ReadCloser, error) {
+		assert.Equal(t, "hello", url)
+		i++
+		if i > 2 {
+			return 0, "", nil, expectedErr
+		}
+		return 0, "", nil, fmt.Errorf("Unexpected error")
+	}, 0, "hello", 3)
+	assert.Equal(t, expectedErr, actualErr)
+	assert.Nil(t, actualBytes)
+	assert.Equal(t, 3, i)
+
+	// Test that 500s are retried.
+	i = 0
+	actualBytes, actualErr = readHttpWithRetries(func(url string) (int, string, io.ReadCloser, error) {
+		assert.Equal(t, "hello", url)
+		i++
+		return 501, "Status", nil, nil
+	}, 0, "hello", 3)
+	assert.Error(t, actualErr)
+	assert.Nil(t, actualBytes)
+	assert.Equal(t, 3, i)
+
+	// Test that 300s are not retried
+	i = 0
+	actualBytes, actualErr = readHttpWithRetries(func(url string) (int, string, io.ReadCloser, error) {
+		assert.Equal(t, "hello", url)
+		i++
+		return 300, "Status", nil, nil
+	}, 0, "hello", 3)
+	assert.Error(t, actualErr)
+	assert.Nil(t, actualBytes)
+	assert.Equal(t, 1, i)
+
+	// Test attempt count is respected
+	i = 0
+	actualBytes, actualErr = readHttpWithRetries(func(url string) (int, string, io.ReadCloser, error) {
+		assert.Equal(t, "hello", url)
+		i++
+		return 501, "Status", nil, nil
+	}, 0, "hello", 1)
+	assert.Error(t, actualErr)
+	assert.Nil(t, actualBytes)
+	assert.Equal(t, 1, i)
+
+	// Test attempts less than 1 results in an error
+	i = 0
+	b := bytes.Buffer{}
+	actualBytes, actualErr = readHttpWithRetries(func(url string) (int, string, io.ReadCloser, error) {
+		return 200, "Status", ioutil.NopCloser(&b), nil
+	}, 0, "hello", 0)
+	assert.Error(t, actualErr)
+	assert.Nil(t, actualBytes)
+	assert.Equal(t, 0, i)
+
+	// Test Success
+	i = 0
+	b = bytes.Buffer{}
+	actualBytes, actualErr = readHttpWithRetries(func(url string) (int, string, io.ReadCloser, error) {
+		assert.Equal(t, "hello", url)
+		i++
+		if i > 1 {
+			return 200, "Status", ioutil.NopCloser(&b), nil
+		}
+		return 501, "Status", nil, nil
+	}, 0, "hello", 3)
+	assert.Nil(t, actualErr)
+	assert.NotNil(t, actualBytes)
+	assert.Equal(t, 2, i)
+}