Upgrade k8s.io/client-go to version 2

vendor/k8s.io/client-go/discovery/unstructured.go

@@ -0,0 +1,95 @@
+/*
+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 discovery
+
+import (
+	"fmt"
+
+	"k8s.io/client-go/pkg/api/unversioned"
+	"k8s.io/client-go/pkg/runtime"
+)
+
+// UnstructuredObjectTyper provides a runtime.ObjectTyper implmentation for
+// runtime.Unstructured object based on discovery information.
+type UnstructuredObjectTyper struct {
+	registered map[unversioned.GroupVersionKind]bool
+}
+
+// NewUnstructuredObjectTyper returns a runtime.ObjectTyper for
+// unstructred objects based on discovery information.
+func NewUnstructuredObjectTyper(groupResources []*APIGroupResources) *UnstructuredObjectTyper {
+	dot := &UnstructuredObjectTyper{registered: make(map[unversioned.GroupVersionKind]bool)}
+	for _, group := range groupResources {
+		for _, discoveryVersion := range group.Group.Versions {
+			resources, ok := group.VersionedResources[discoveryVersion.Version]
+			if !ok {
+				continue
+			}
+
+			gv := unversioned.GroupVersion{Group: group.Group.Name, Version: discoveryVersion.Version}
+			for _, resource := range resources {
+				dot.registered[gv.WithKind(resource.Kind)] = true
+			}
+		}
+	}
+	return dot
+}
+
+// ObjectKind returns the group,version,kind of the provided object, or an error
+// if the object in not *runtime.Unstructured or has no group,version,kind
+// information.
+func (d *UnstructuredObjectTyper) ObjectKind(obj runtime.Object) (unversioned.GroupVersionKind, error) {
+	if _, ok := obj.(*runtime.Unstructured); !ok {
+		return unversioned.GroupVersionKind{}, fmt.Errorf("type %T is invalid for dynamic object typer", obj)
+	}
+
+	return obj.GetObjectKind().GroupVersionKind(), nil
+}
+
+// ObjectKinds returns a slice of one element with the group,version,kind of the
+// provided object, or an error if the object is not *runtime.Unstructured or
+// has no group,version,kind information. unversionedType will always be false
+// because runtime.Unstructured object should always have group,version,kind
+// information set.
+func (d *UnstructuredObjectTyper) ObjectKinds(obj runtime.Object) (gvks []unversioned.GroupVersionKind, unversionedType bool, err error) {
+	gvk, err := d.ObjectKind(obj)
+	if err != nil {
+		return nil, false, err
+	}
+
+	return []unversioned.GroupVersionKind{gvk}, false, nil
+}
+
+// Recognizes returns true if the provided group,version,kind was in the
+// discovery information.
+func (d *UnstructuredObjectTyper) Recognizes(gvk unversioned.GroupVersionKind) bool {
+	return d.registered[gvk]
+}
+
+// IsUnversioned returns false always because *runtime.Unstructured objects
+// should always have group,version,kind information set. ok will be true if the
+// object's group,version,kind is registered.
+func (d *UnstructuredObjectTyper) IsUnversioned(obj runtime.Object) (unversioned bool, ok bool) {
+	gvk, err := d.ObjectKind(obj)
+	if err != nil {
+		return false, false
+	}
+
+	return false, d.registered[gvk]
+}
+
+var _ runtime.ObjectTyper = &UnstructuredObjectTyper{}