add vendoring with go dep

vendor/github.com/vmware/govmomi/vim25/mo/retrieve.go

@@ -0,0 +1,174 @@
+/*
+Copyright (c) 2014-2015 VMware, Inc. All Rights Reserved.
+
+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 mo
+
+import (
+	"context"
+	"reflect"
+
+	"github.com/vmware/govmomi/vim25/methods"
+	"github.com/vmware/govmomi/vim25/soap"
+	"github.com/vmware/govmomi/vim25/types"
+)
+
+func ignoreMissingProperty(ref types.ManagedObjectReference, p types.MissingProperty) bool {
+	switch ref.Type {
+	case "VirtualMachine":
+		switch p.Path {
+		case "environmentBrowser":
+			// See https://github.com/vmware/govmomi/pull/242
+			return true
+		case "alarmActionsEnabled":
+			// Seen with vApp child VM
+			return true
+		}
+	}
+
+	return false
+}
+
+// ObjectContentToType loads an ObjectContent value into the value it
+// represents. If the ObjectContent value has a non-empty 'MissingSet' field,
+// it returns the first fault it finds there as error. If the 'MissingSet'
+// field is empty, it returns a pointer to a reflect.Value. It handles contain
+// nested properties, such as 'guest.ipAddress' or 'config.hardware'.
+func ObjectContentToType(o types.ObjectContent) (interface{}, error) {
+	// Expect no properties in the missing set
+	for _, p := range o.MissingSet {
+		if ignoreMissingProperty(o.Obj, p) {
+			continue
+		}
+
+		return nil, soap.WrapVimFault(p.Fault.Fault)
+	}
+
+	ti := typeInfoForType(o.Obj.Type)
+	v, err := ti.LoadFromObjectContent(o)
+	if err != nil {
+		return nil, err
+	}
+
+	return v.Elem().Interface(), nil
+}
+
+// LoadRetrievePropertiesResponse converts the response of a call to
+// RetrieveProperties to one or more managed objects.
+func LoadRetrievePropertiesResponse(res *types.RetrievePropertiesResponse, dst interface{}) error {
+	rt := reflect.TypeOf(dst)
+	if rt == nil || rt.Kind() != reflect.Ptr {
+		panic("need pointer")
+	}
+
+	rv := reflect.ValueOf(dst).Elem()
+	if !rv.CanSet() {
+		panic("cannot set dst")
+	}
+
+	isSlice := false
+	switch rt.Elem().Kind() {
+	case reflect.Struct:
+	case reflect.Slice:
+		isSlice = true
+	default:
+		panic("unexpected type")
+	}
+
+	if isSlice {
+		for _, p := range res.Returnval {
+			v, err := ObjectContentToType(p)
+			if err != nil {
+				return err
+			}
+
+			vt := reflect.TypeOf(v)
+
+			if !rv.Type().AssignableTo(vt) {
+				// For example: dst is []ManagedEntity, res is []HostSystem
+				if field, ok := vt.FieldByName(rt.Elem().Elem().Name()); ok && field.Anonymous {
+					rv.Set(reflect.Append(rv, reflect.ValueOf(v).FieldByIndex(field.Index)))
+					continue
+				}
+			}
+
+			rv.Set(reflect.Append(rv, reflect.ValueOf(v)))
+		}
+	} else {
+		switch len(res.Returnval) {
+		case 0:
+		case 1:
+			v, err := ObjectContentToType(res.Returnval[0])
+			if err != nil {
+				return err
+			}
+
+			vt := reflect.TypeOf(v)
+
+			if !rv.Type().AssignableTo(vt) {
+				// For example: dst is ComputeResource, res is ClusterComputeResource
+				if field, ok := vt.FieldByName(rt.Elem().Name()); ok && field.Anonymous {
+					rv.Set(reflect.ValueOf(v).FieldByIndex(field.Index))
+					return nil
+				}
+			}
+
+			rv.Set(reflect.ValueOf(v))
+		default:
+			// If dst is not a slice, expect to receive 0 or 1 results
+			panic("more than 1 result")
+		}
+	}
+
+	return nil
+}
+
+// RetrievePropertiesForRequest calls the RetrieveProperties method with the
+// specified request and decodes the response struct into the value pointed to
+// by dst.
+func RetrievePropertiesForRequest(ctx context.Context, r soap.RoundTripper, req types.RetrieveProperties, dst interface{}) error {
+	res, err := methods.RetrieveProperties(ctx, r, &req)
+	if err != nil {
+		return err
+	}
+
+	return LoadRetrievePropertiesResponse(res, dst)
+}
+
+// RetrieveProperties retrieves the properties of the managed object specified
+// as obj and decodes the response struct into the value pointed to by dst.
+func RetrieveProperties(ctx context.Context, r soap.RoundTripper, pc, obj types.ManagedObjectReference, dst interface{}) error {
+	req := types.RetrieveProperties{
+		This: pc,
+		SpecSet: []types.PropertyFilterSpec{
+			{
+				ObjectSet: []types.ObjectSpec{
+					{
+						Obj:  obj,
+						Skip: types.NewBool(false),
+					},
+				},
+				PropSet: []types.PropertySpec{
+					{
+						All:  types.NewBool(true),
+						Type: obj.Type,
+					},
+				},
+			},
+		},
+	}
+
+	return RetrievePropertiesForRequest(ctx, r, req, dst)
+}