Add glide.yaml and vendor deps

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]
+}