From c95b9df894232ba94cbda1cdc9ca4af1bdda9a92 Mon Sep 17 00:00:00 2001 From: Clayton Coleman Date: Mon, 12 Sep 2016 18:52:47 -0400 Subject: [PATCH] Unstructured methods belong in unstructured.go Simple code move --- pkg/runtime/types.go | 414 ------------------------------------ pkg/runtime/unstructured.go | 408 +++++++++++++++++++++++++++++++++++ 2 files changed, 408 insertions(+), 414 deletions(-) diff --git a/pkg/runtime/types.go b/pkg/runtime/types.go index 960bbef92a2..10f94fcf7d4 100644 --- a/pkg/runtime/types.go +++ b/pkg/runtime/types.go @@ -16,17 +16,6 @@ limitations under the License. package runtime -import ( - "bytes" - "fmt" - - "github.com/golang/glog" - - "k8s.io/kubernetes/pkg/api/meta/metatypes" - "k8s.io/kubernetes/pkg/api/unversioned" - "k8s.io/kubernetes/pkg/types" -) - // Note that the types provided in this file are not versioned and are intended to be // safe to use from within all versions of every API object. @@ -139,409 +128,6 @@ type Unstructured struct { Object map[string]interface{} } -// MarshalJSON ensures that the unstructured object produces proper -// JSON when passed to Go's standard JSON library. -func (u *Unstructured) MarshalJSON() ([]byte, error) { - var buf bytes.Buffer - err := UnstructuredJSONScheme.Encode(u, &buf) - return buf.Bytes(), err -} - -// UnmarshalJSON ensures that the unstructured object properly decodes -// JSON when passed to Go's standard JSON library. -func (u *Unstructured) UnmarshalJSON(b []byte) error { - _, _, err := UnstructuredJSONScheme.Decode(b, nil, u) - return err -} - -func getNestedField(obj map[string]interface{}, fields ...string) interface{} { - var val interface{} = obj - for _, field := range fields { - if _, ok := val.(map[string]interface{}); !ok { - return nil - } - val = val.(map[string]interface{})[field] - } - return val -} - -func getNestedString(obj map[string]interface{}, fields ...string) string { - if str, ok := getNestedField(obj, fields...).(string); ok { - return str - } - return "" -} - -func getNestedSlice(obj map[string]interface{}, fields ...string) []string { - if m, ok := getNestedField(obj, fields...).([]interface{}); ok { - strSlice := make([]string, 0, len(m)) - for _, v := range m { - if str, ok := v.(string); ok { - strSlice = append(strSlice, str) - } - } - return strSlice - } - return nil -} - -func getNestedMap(obj map[string]interface{}, fields ...string) map[string]string { - if m, ok := getNestedField(obj, fields...).(map[string]interface{}); ok { - strMap := make(map[string]string, len(m)) - for k, v := range m { - if str, ok := v.(string); ok { - strMap[k] = str - } - } - return strMap - } - return nil -} - -func setNestedField(obj map[string]interface{}, value interface{}, fields ...string) { - m := obj - if len(fields) > 1 { - for _, field := range fields[0 : len(fields)-1] { - if _, ok := m[field].(map[string]interface{}); !ok { - m[field] = make(map[string]interface{}) - } - m = m[field].(map[string]interface{}) - } - } - m[fields[len(fields)-1]] = value -} - -func setNestedSlice(obj map[string]interface{}, value []string, fields ...string) { - m := make([]interface{}, 0, len(value)) - for _, v := range value { - m = append(m, v) - } - setNestedField(obj, m, fields...) -} - -func setNestedMap(obj map[string]interface{}, value map[string]string, fields ...string) { - m := make(map[string]interface{}, len(value)) - for k, v := range value { - m[k] = v - } - setNestedField(obj, m, fields...) -} - -func (u *Unstructured) setNestedField(value interface{}, fields ...string) { - if u.Object == nil { - u.Object = make(map[string]interface{}) - } - setNestedField(u.Object, value, fields...) -} - -func (u *Unstructured) setNestedSlice(value []string, fields ...string) { - if u.Object == nil { - u.Object = make(map[string]interface{}) - } - setNestedSlice(u.Object, value, fields...) -} - -func (u *Unstructured) setNestedMap(value map[string]string, fields ...string) { - if u.Object == nil { - u.Object = make(map[string]interface{}) - } - setNestedMap(u.Object, value, fields...) -} - -func extractOwnerReference(src interface{}) metatypes.OwnerReference { - v := src.(map[string]interface{}) - controllerPtr, ok := (getNestedField(v, "controller")).(*bool) - if !ok { - controllerPtr = nil - } else { - if controllerPtr != nil { - controller := *controllerPtr - controllerPtr = &controller - } - } - return metatypes.OwnerReference{ - Kind: getNestedString(v, "kind"), - Name: getNestedString(v, "name"), - APIVersion: getNestedString(v, "apiVersion"), - UID: (types.UID)(getNestedString(v, "uid")), - Controller: controllerPtr, - } -} - -func setOwnerReference(src metatypes.OwnerReference) map[string]interface{} { - ret := make(map[string]interface{}) - controllerPtr := src.Controller - if controllerPtr != nil { - controller := *controllerPtr - controllerPtr = &controller - } - setNestedField(ret, src.Kind, "kind") - setNestedField(ret, src.Name, "name") - setNestedField(ret, src.APIVersion, "apiVersion") - setNestedField(ret, string(src.UID), "uid") - setNestedField(ret, controllerPtr, "controller") - return ret -} - -func getOwnerReferences(object map[string]interface{}) ([]map[string]interface{}, error) { - field := getNestedField(object, "metadata", "ownerReferences") - if field == nil { - return nil, fmt.Errorf("cannot find field metadata.ownerReferences in %v", object) - } - ownerReferences, ok := field.([]map[string]interface{}) - if ok { - return ownerReferences, nil - } - // TODO: This is hacky... - interfaces, ok := field.([]interface{}) - if !ok { - return nil, fmt.Errorf("expect metadata.ownerReferences to be a slice in %#v", object) - } - ownerReferences = make([]map[string]interface{}, 0, len(interfaces)) - for i := 0; i < len(interfaces); i++ { - r, ok := interfaces[i].(map[string]interface{}) - if !ok { - return nil, fmt.Errorf("expect element metadata.ownerReferences to be a map[string]interface{} in %#v", object) - } - ownerReferences = append(ownerReferences, r) - } - return ownerReferences, nil -} - -func (u *Unstructured) GetOwnerReferences() []metatypes.OwnerReference { - original, err := getOwnerReferences(u.Object) - if err != nil { - glog.V(6).Info(err) - return nil - } - ret := make([]metatypes.OwnerReference, 0, len(original)) - for i := 0; i < len(original); i++ { - ret = append(ret, extractOwnerReference(original[i])) - } - return ret -} - -func (u *Unstructured) SetOwnerReferences(references []metatypes.OwnerReference) { - var newReferences = make([]map[string]interface{}, 0, len(references)) - for i := 0; i < len(references); i++ { - newReferences = append(newReferences, setOwnerReference(references[i])) - } - u.setNestedField(newReferences, "metadata", "ownerReferences") -} - -func (u *Unstructured) GetAPIVersion() string { - return getNestedString(u.Object, "apiVersion") -} - -func (u *Unstructured) SetAPIVersion(version string) { - u.setNestedField(version, "apiVersion") -} - -func (u *Unstructured) GetKind() string { - return getNestedString(u.Object, "kind") -} - -func (u *Unstructured) SetKind(kind string) { - u.setNestedField(kind, "kind") -} - -func (u *Unstructured) GetNamespace() string { - return getNestedString(u.Object, "metadata", "namespace") -} - -func (u *Unstructured) SetNamespace(namespace string) { - u.setNestedField(namespace, "metadata", "namespace") -} - -func (u *Unstructured) GetName() string { - return getNestedString(u.Object, "metadata", "name") -} - -func (u *Unstructured) SetName(name string) { - u.setNestedField(name, "metadata", "name") -} - -func (u *Unstructured) GetGenerateName() string { - return getNestedString(u.Object, "metadata", "generateName") -} - -func (u *Unstructured) SetGenerateName(name string) { - u.setNestedField(name, "metadata", "generateName") -} - -func (u *Unstructured) GetUID() types.UID { - return types.UID(getNestedString(u.Object, "metadata", "uid")) -} - -func (u *Unstructured) SetUID(uid types.UID) { - u.setNestedField(string(uid), "metadata", "uid") -} - -func (u *Unstructured) GetResourceVersion() string { - return getNestedString(u.Object, "metadata", "resourceVersion") -} - -func (u *Unstructured) SetResourceVersion(version string) { - u.setNestedField(version, "metadata", "resourceVersion") -} - -func (u *Unstructured) GetSelfLink() string { - return getNestedString(u.Object, "metadata", "selfLink") -} - -func (u *Unstructured) SetSelfLink(selfLink string) { - u.setNestedField(selfLink, "metadata", "selfLink") -} - -func (u *Unstructured) GetCreationTimestamp() unversioned.Time { - var timestamp unversioned.Time - timestamp.UnmarshalQueryParameter(getNestedString(u.Object, "metadata", "creationTimestamp")) - return timestamp -} - -func (u *Unstructured) SetCreationTimestamp(timestamp unversioned.Time) { - ts, _ := timestamp.MarshalQueryParameter() - u.setNestedField(ts, "metadata", "creationTimestamp") -} - -func (u *Unstructured) GetDeletionTimestamp() *unversioned.Time { - var timestamp unversioned.Time - timestamp.UnmarshalQueryParameter(getNestedString(u.Object, "metadata", "deletionTimestamp")) - if timestamp.IsZero() { - return nil - } - return ×tamp -} - -func (u *Unstructured) SetDeletionTimestamp(timestamp *unversioned.Time) { - ts, _ := timestamp.MarshalQueryParameter() - u.setNestedField(ts, "metadata", "deletionTimestamp") -} - -func (u *Unstructured) GetLabels() map[string]string { - return getNestedMap(u.Object, "metadata", "labels") -} - -func (u *Unstructured) SetLabels(labels map[string]string) { - u.setNestedMap(labels, "metadata", "labels") -} - -func (u *Unstructured) GetAnnotations() map[string]string { - return getNestedMap(u.Object, "metadata", "annotations") -} - -func (u *Unstructured) SetAnnotations(annotations map[string]string) { - u.setNestedMap(annotations, "metadata", "annotations") -} - -func (u *Unstructured) SetGroupVersionKind(gvk unversioned.GroupVersionKind) { - u.SetAPIVersion(gvk.GroupVersion().String()) - u.SetKind(gvk.Kind) -} - -func (u *Unstructured) GroupVersionKind() unversioned.GroupVersionKind { - gv, err := unversioned.ParseGroupVersion(u.GetAPIVersion()) - if err != nil { - return unversioned.GroupVersionKind{} - } - gvk := gv.WithKind(u.GetKind()) - return gvk -} - -func (u *Unstructured) GetFinalizers() []string { - return getNestedSlice(u.Object, "metadata", "finalizers") -} - -func (u *Unstructured) SetFinalizers(finalizers []string) { - u.setNestedSlice(finalizers, "metadata", "finalizers") -} - -func (u *Unstructured) GetClusterName() string { - return getNestedString(u.Object, "metadata", "clusterName") -} - -func (u *Unstructured) SetClusterName(clusterName string) { - u.setNestedField(clusterName, "metadata", "clusterName") -} - -// UnstructuredList allows lists that do not have Golang structs -// registered to be manipulated generically. This can be used to deal -// with the API lists from a plug-in. -type UnstructuredList struct { - Object map[string]interface{} - - // Items is a list of unstructured objects. - Items []*Unstructured `json:"items"` -} - -// MarshalJSON ensures that the unstructured list object produces proper -// JSON when passed to Go's standard JSON library. -func (u *UnstructuredList) MarshalJSON() ([]byte, error) { - var buf bytes.Buffer - err := UnstructuredJSONScheme.Encode(u, &buf) - return buf.Bytes(), err -} - -// UnmarshalJSON ensures that the unstructured list object properly -// decodes JSON when passed to Go's standard JSON library. -func (u *UnstructuredList) UnmarshalJSON(b []byte) error { - _, _, err := UnstructuredJSONScheme.Decode(b, nil, u) - return err -} - -func (u *UnstructuredList) setNestedField(value interface{}, fields ...string) { - if u.Object == nil { - u.Object = make(map[string]interface{}) - } - setNestedField(u.Object, value, fields...) -} - -func (u *UnstructuredList) GetAPIVersion() string { - return getNestedString(u.Object, "apiVersion") -} - -func (u *UnstructuredList) SetAPIVersion(version string) { - u.setNestedField(version, "apiVersion") -} - -func (u *UnstructuredList) GetKind() string { - return getNestedString(u.Object, "kind") -} - -func (u *UnstructuredList) SetKind(kind string) { - u.setNestedField(kind, "kind") -} - -func (u *UnstructuredList) GetResourceVersion() string { - return getNestedString(u.Object, "metadata", "resourceVersion") -} - -func (u *UnstructuredList) SetResourceVersion(version string) { - u.setNestedField(version, "metadata", "resourceVersion") -} - -func (u *UnstructuredList) GetSelfLink() string { - return getNestedString(u.Object, "metadata", "selfLink") -} - -func (u *UnstructuredList) SetSelfLink(selfLink string) { - u.setNestedField(selfLink, "metadata", "selfLink") -} - -func (u *UnstructuredList) SetGroupVersionKind(gvk unversioned.GroupVersionKind) { - u.SetAPIVersion(gvk.GroupVersion().String()) - u.SetKind(gvk.Kind) -} - -func (u *UnstructuredList) GroupVersionKind() unversioned.GroupVersionKind { - gv, err := unversioned.ParseGroupVersion(u.GetAPIVersion()) - if err != nil { - return unversioned.GroupVersionKind{} - } - gvk := gv.WithKind(u.GetKind()) - return gvk -} - // VersionedObjects is used by Decoders to give callers a way to access all versions // of an object during the decoding process. type VersionedObjects struct { diff --git a/pkg/runtime/unstructured.go b/pkg/runtime/unstructured.go index e14c8840b60..032e235ddfd 100644 --- a/pkg/runtime/unstructured.go +++ b/pkg/runtime/unstructured.go @@ -17,16 +17,424 @@ limitations under the License. package runtime import ( + "bytes" gojson "encoding/json" "errors" "fmt" "io" "strings" + "github.com/golang/glog" + + "k8s.io/kubernetes/pkg/api/meta/metatypes" "k8s.io/kubernetes/pkg/api/unversioned" + "k8s.io/kubernetes/pkg/types" "k8s.io/kubernetes/pkg/util/json" ) +// MarshalJSON ensures that the unstructured object produces proper +// JSON when passed to Go's standard JSON library. +func (u *Unstructured) MarshalJSON() ([]byte, error) { + var buf bytes.Buffer + err := UnstructuredJSONScheme.Encode(u, &buf) + return buf.Bytes(), err +} + +// UnmarshalJSON ensures that the unstructured object properly decodes +// JSON when passed to Go's standard JSON library. +func (u *Unstructured) UnmarshalJSON(b []byte) error { + _, _, err := UnstructuredJSONScheme.Decode(b, nil, u) + return err +} + +func getNestedField(obj map[string]interface{}, fields ...string) interface{} { + var val interface{} = obj + for _, field := range fields { + if _, ok := val.(map[string]interface{}); !ok { + return nil + } + val = val.(map[string]interface{})[field] + } + return val +} + +func getNestedString(obj map[string]interface{}, fields ...string) string { + if str, ok := getNestedField(obj, fields...).(string); ok { + return str + } + return "" +} + +func getNestedSlice(obj map[string]interface{}, fields ...string) []string { + if m, ok := getNestedField(obj, fields...).([]interface{}); ok { + strSlice := make([]string, 0, len(m)) + for _, v := range m { + if str, ok := v.(string); ok { + strSlice = append(strSlice, str) + } + } + return strSlice + } + return nil +} + +func getNestedMap(obj map[string]interface{}, fields ...string) map[string]string { + if m, ok := getNestedField(obj, fields...).(map[string]interface{}); ok { + strMap := make(map[string]string, len(m)) + for k, v := range m { + if str, ok := v.(string); ok { + strMap[k] = str + } + } + return strMap + } + return nil +} + +func setNestedField(obj map[string]interface{}, value interface{}, fields ...string) { + m := obj + if len(fields) > 1 { + for _, field := range fields[0 : len(fields)-1] { + if _, ok := m[field].(map[string]interface{}); !ok { + m[field] = make(map[string]interface{}) + } + m = m[field].(map[string]interface{}) + } + } + m[fields[len(fields)-1]] = value +} + +func setNestedSlice(obj map[string]interface{}, value []string, fields ...string) { + m := make([]interface{}, 0, len(value)) + for _, v := range value { + m = append(m, v) + } + setNestedField(obj, m, fields...) +} + +func setNestedMap(obj map[string]interface{}, value map[string]string, fields ...string) { + m := make(map[string]interface{}, len(value)) + for k, v := range value { + m[k] = v + } + setNestedField(obj, m, fields...) +} + +func (u *Unstructured) setNestedField(value interface{}, fields ...string) { + if u.Object == nil { + u.Object = make(map[string]interface{}) + } + setNestedField(u.Object, value, fields...) +} + +func (u *Unstructured) setNestedSlice(value []string, fields ...string) { + if u.Object == nil { + u.Object = make(map[string]interface{}) + } + setNestedSlice(u.Object, value, fields...) +} + +func (u *Unstructured) setNestedMap(value map[string]string, fields ...string) { + if u.Object == nil { + u.Object = make(map[string]interface{}) + } + setNestedMap(u.Object, value, fields...) +} + +func extractOwnerReference(src interface{}) metatypes.OwnerReference { + v := src.(map[string]interface{}) + controllerPtr, ok := (getNestedField(v, "controller")).(*bool) + if !ok { + controllerPtr = nil + } else { + if controllerPtr != nil { + controller := *controllerPtr + controllerPtr = &controller + } + } + return metatypes.OwnerReference{ + Kind: getNestedString(v, "kind"), + Name: getNestedString(v, "name"), + APIVersion: getNestedString(v, "apiVersion"), + UID: (types.UID)(getNestedString(v, "uid")), + Controller: controllerPtr, + } +} + +func setOwnerReference(src metatypes.OwnerReference) map[string]interface{} { + ret := make(map[string]interface{}) + controllerPtr := src.Controller + if controllerPtr != nil { + controller := *controllerPtr + controllerPtr = &controller + } + setNestedField(ret, src.Kind, "kind") + setNestedField(ret, src.Name, "name") + setNestedField(ret, src.APIVersion, "apiVersion") + setNestedField(ret, string(src.UID), "uid") + setNestedField(ret, controllerPtr, "controller") + return ret +} + +func getOwnerReferences(object map[string]interface{}) ([]map[string]interface{}, error) { + field := getNestedField(object, "metadata", "ownerReferences") + if field == nil { + return nil, fmt.Errorf("cannot find field metadata.ownerReferences in %v", object) + } + ownerReferences, ok := field.([]map[string]interface{}) + if ok { + return ownerReferences, nil + } + // TODO: This is hacky... + interfaces, ok := field.([]interface{}) + if !ok { + return nil, fmt.Errorf("expect metadata.ownerReferences to be a slice in %#v", object) + } + ownerReferences = make([]map[string]interface{}, 0, len(interfaces)) + for i := 0; i < len(interfaces); i++ { + r, ok := interfaces[i].(map[string]interface{}) + if !ok { + return nil, fmt.Errorf("expect element metadata.ownerReferences to be a map[string]interface{} in %#v", object) + } + ownerReferences = append(ownerReferences, r) + } + return ownerReferences, nil +} + +func (u *Unstructured) GetOwnerReferences() []metatypes.OwnerReference { + original, err := getOwnerReferences(u.Object) + if err != nil { + glog.V(6).Info(err) + return nil + } + ret := make([]metatypes.OwnerReference, 0, len(original)) + for i := 0; i < len(original); i++ { + ret = append(ret, extractOwnerReference(original[i])) + } + return ret +} + +func (u *Unstructured) SetOwnerReferences(references []metatypes.OwnerReference) { + var newReferences = make([]map[string]interface{}, 0, len(references)) + for i := 0; i < len(references); i++ { + newReferences = append(newReferences, setOwnerReference(references[i])) + } + u.setNestedField(newReferences, "metadata", "ownerReferences") +} + +func (u *Unstructured) GetAPIVersion() string { + return getNestedString(u.Object, "apiVersion") +} + +func (u *Unstructured) SetAPIVersion(version string) { + u.setNestedField(version, "apiVersion") +} + +func (u *Unstructured) GetKind() string { + return getNestedString(u.Object, "kind") +} + +func (u *Unstructured) SetKind(kind string) { + u.setNestedField(kind, "kind") +} + +func (u *Unstructured) GetNamespace() string { + return getNestedString(u.Object, "metadata", "namespace") +} + +func (u *Unstructured) SetNamespace(namespace string) { + u.setNestedField(namespace, "metadata", "namespace") +} + +func (u *Unstructured) GetName() string { + return getNestedString(u.Object, "metadata", "name") +} + +func (u *Unstructured) SetName(name string) { + u.setNestedField(name, "metadata", "name") +} + +func (u *Unstructured) GetGenerateName() string { + return getNestedString(u.Object, "metadata", "generateName") +} + +func (u *Unstructured) SetGenerateName(name string) { + u.setNestedField(name, "metadata", "generateName") +} + +func (u *Unstructured) GetUID() types.UID { + return types.UID(getNestedString(u.Object, "metadata", "uid")) +} + +func (u *Unstructured) SetUID(uid types.UID) { + u.setNestedField(string(uid), "metadata", "uid") +} + +func (u *Unstructured) GetResourceVersion() string { + return getNestedString(u.Object, "metadata", "resourceVersion") +} + +func (u *Unstructured) SetResourceVersion(version string) { + u.setNestedField(version, "metadata", "resourceVersion") +} + +func (u *Unstructured) GetSelfLink() string { + return getNestedString(u.Object, "metadata", "selfLink") +} + +func (u *Unstructured) SetSelfLink(selfLink string) { + u.setNestedField(selfLink, "metadata", "selfLink") +} + +func (u *Unstructured) GetCreationTimestamp() unversioned.Time { + var timestamp unversioned.Time + timestamp.UnmarshalQueryParameter(getNestedString(u.Object, "metadata", "creationTimestamp")) + return timestamp +} + +func (u *Unstructured) SetCreationTimestamp(timestamp unversioned.Time) { + ts, _ := timestamp.MarshalQueryParameter() + u.setNestedField(ts, "metadata", "creationTimestamp") +} + +func (u *Unstructured) GetDeletionTimestamp() *unversioned.Time { + var timestamp unversioned.Time + timestamp.UnmarshalQueryParameter(getNestedString(u.Object, "metadata", "deletionTimestamp")) + if timestamp.IsZero() { + return nil + } + return ×tamp +} + +func (u *Unstructured) SetDeletionTimestamp(timestamp *unversioned.Time) { + ts, _ := timestamp.MarshalQueryParameter() + u.setNestedField(ts, "metadata", "deletionTimestamp") +} + +func (u *Unstructured) GetLabels() map[string]string { + return getNestedMap(u.Object, "metadata", "labels") +} + +func (u *Unstructured) SetLabels(labels map[string]string) { + u.setNestedMap(labels, "metadata", "labels") +} + +func (u *Unstructured) GetAnnotations() map[string]string { + return getNestedMap(u.Object, "metadata", "annotations") +} + +func (u *Unstructured) SetAnnotations(annotations map[string]string) { + u.setNestedMap(annotations, "metadata", "annotations") +} + +func (u *Unstructured) SetGroupVersionKind(gvk unversioned.GroupVersionKind) { + u.SetAPIVersion(gvk.GroupVersion().String()) + u.SetKind(gvk.Kind) +} + +func (u *Unstructured) GroupVersionKind() unversioned.GroupVersionKind { + gv, err := unversioned.ParseGroupVersion(u.GetAPIVersion()) + if err != nil { + return unversioned.GroupVersionKind{} + } + gvk := gv.WithKind(u.GetKind()) + return gvk +} + +func (u *Unstructured) GetFinalizers() []string { + return getNestedSlice(u.Object, "metadata", "finalizers") +} + +func (u *Unstructured) SetFinalizers(finalizers []string) { + u.setNestedSlice(finalizers, "metadata", "finalizers") +} + +func (u *Unstructured) GetClusterName() string { + return getNestedString(u.Object, "metadata", "clusterName") +} + +func (u *Unstructured) SetClusterName(clusterName string) { + u.setNestedField(clusterName, "metadata", "clusterName") +} + +// UnstructuredList allows lists that do not have Golang structs +// registered to be manipulated generically. This can be used to deal +// with the API lists from a plug-in. +type UnstructuredList struct { + Object map[string]interface{} + + // Items is a list of unstructured objects. + Items []*Unstructured `json:"items"` +} + +// MarshalJSON ensures that the unstructured list object produces proper +// JSON when passed to Go's standard JSON library. +func (u *UnstructuredList) MarshalJSON() ([]byte, error) { + var buf bytes.Buffer + err := UnstructuredJSONScheme.Encode(u, &buf) + return buf.Bytes(), err +} + +// UnmarshalJSON ensures that the unstructured list object properly +// decodes JSON when passed to Go's standard JSON library. +func (u *UnstructuredList) UnmarshalJSON(b []byte) error { + _, _, err := UnstructuredJSONScheme.Decode(b, nil, u) + return err +} + +func (u *UnstructuredList) setNestedField(value interface{}, fields ...string) { + if u.Object == nil { + u.Object = make(map[string]interface{}) + } + setNestedField(u.Object, value, fields...) +} + +func (u *UnstructuredList) GetAPIVersion() string { + return getNestedString(u.Object, "apiVersion") +} + +func (u *UnstructuredList) SetAPIVersion(version string) { + u.setNestedField(version, "apiVersion") +} + +func (u *UnstructuredList) GetKind() string { + return getNestedString(u.Object, "kind") +} + +func (u *UnstructuredList) SetKind(kind string) { + u.setNestedField(kind, "kind") +} + +func (u *UnstructuredList) GetResourceVersion() string { + return getNestedString(u.Object, "metadata", "resourceVersion") +} + +func (u *UnstructuredList) SetResourceVersion(version string) { + u.setNestedField(version, "metadata", "resourceVersion") +} + +func (u *UnstructuredList) GetSelfLink() string { + return getNestedString(u.Object, "metadata", "selfLink") +} + +func (u *UnstructuredList) SetSelfLink(selfLink string) { + u.setNestedField(selfLink, "metadata", "selfLink") +} + +func (u *UnstructuredList) SetGroupVersionKind(gvk unversioned.GroupVersionKind) { + u.SetAPIVersion(gvk.GroupVersion().String()) + u.SetKind(gvk.Kind) +} + +func (u *UnstructuredList) GroupVersionKind() unversioned.GroupVersionKind { + gv, err := unversioned.ParseGroupVersion(u.GetAPIVersion()) + if err != nil { + return unversioned.GroupVersionKind{} + } + gvk := gv.WithKind(u.GetKind()) + return gvk +} + // UnstructuredJSONScheme is capable of converting JSON data into the Unstructured // type, which can be used for generic access to objects without a predefined scheme. // TODO: move into serializer/json.