diff options
Diffstat (limited to 'vendor/k8s.io/apimachinery/pkg/apis/meta/v1/unstructured/unstructured_list.go')
-rw-r--r-- | vendor/k8s.io/apimachinery/pkg/apis/meta/v1/unstructured/unstructured_list.go | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/unstructured/unstructured_list.go b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/unstructured/unstructured_list.go new file mode 100644 index 000000000..5028f5fb5 --- /dev/null +++ b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/unstructured/unstructured_list.go @@ -0,0 +1,210 @@ +/* +Copyright 2015 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 unstructured + +import ( + "bytes" + + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" + "k8s.io/apimachinery/pkg/runtime" + "k8s.io/apimachinery/pkg/runtime/schema" +) + +var _ runtime.Unstructured = &UnstructuredList{} +var _ metav1.ListInterface = &UnstructuredList{} + +// 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. +// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object +// +k8s:deepcopy-gen=true +type UnstructuredList struct { + Object map[string]interface{} + + // Items is a list of unstructured objects. + Items []Unstructured `json:"items"` +} + +func (u *UnstructuredList) GetObjectKind() schema.ObjectKind { return u } + +func (u *UnstructuredList) IsList() bool { return true } + +func (u *UnstructuredList) EachListItem(fn func(runtime.Object) error) error { + for i := range u.Items { + if err := fn(&u.Items[i]); err != nil { + return err + } + } + return nil +} + +// NewEmptyInstance returns a new instance of the concrete type containing only kind/apiVersion and no other data. +// This should be called instead of reflect.New() for unstructured types because the go type alone does not preserve kind/apiVersion info. +func (u *UnstructuredList) NewEmptyInstance() runtime.Unstructured { + out := new(UnstructuredList) + if u != nil { + out.SetGroupVersionKind(u.GroupVersionKind()) + } + return out +} + +// UnstructuredContent returns a map contain an overlay of the Items field onto +// the Object field. Items always overwrites overlay. +func (u *UnstructuredList) UnstructuredContent() map[string]interface{} { + out := make(map[string]interface{}, len(u.Object)+1) + + // shallow copy every property + for k, v := range u.Object { + out[k] = v + } + + items := make([]interface{}, len(u.Items)) + for i, item := range u.Items { + items[i] = item.UnstructuredContent() + } + out["items"] = items + return out +} + +// SetUnstructuredContent obeys the conventions of List and keeps Items and the items +// array in sync. If items is not an array of objects in the incoming map, then any +// mismatched item will be removed. +func (obj *UnstructuredList) SetUnstructuredContent(content map[string]interface{}) { + obj.Object = content + if content == nil { + obj.Items = nil + return + } + items, ok := obj.Object["items"].([]interface{}) + if !ok || items == nil { + items = []interface{}{} + } + unstructuredItems := make([]Unstructured, 0, len(items)) + newItems := make([]interface{}, 0, len(items)) + for _, item := range items { + o, ok := item.(map[string]interface{}) + if !ok { + continue + } + unstructuredItems = append(unstructuredItems, Unstructured{Object: o}) + newItems = append(newItems, o) + } + obj.Items = unstructuredItems + obj.Object["items"] = newItems +} + +func (u *UnstructuredList) DeepCopy() *UnstructuredList { + if u == nil { + return nil + } + out := new(UnstructuredList) + *out = *u + out.Object = runtime.DeepCopyJSON(u.Object) + out.Items = make([]Unstructured, len(u.Items)) + for i := range u.Items { + u.Items[i].DeepCopyInto(&out.Items[i]) + } + return out +} + +// 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) 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) GetContinue() string { + return getNestedString(u.Object, "metadata", "continue") +} + +func (u *UnstructuredList) SetContinue(c string) { + u.setNestedField(c, "metadata", "continue") +} + +func (u *UnstructuredList) GetRemainingItemCount() *int64 { + return getNestedInt64Pointer(u.Object, "metadata", "remainingItemCount") +} + +func (u *UnstructuredList) SetRemainingItemCount(c *int64) { + if c == nil { + RemoveNestedField(u.Object, "metadata", "remainingItemCount") + } else { + u.setNestedField(*c, "metadata", "remainingItemCount") + } +} + +func (u *UnstructuredList) SetGroupVersionKind(gvk schema.GroupVersionKind) { + u.SetAPIVersion(gvk.GroupVersion().String()) + u.SetKind(gvk.Kind) +} + +func (u *UnstructuredList) GroupVersionKind() schema.GroupVersionKind { + gv, err := schema.ParseGroupVersion(u.GetAPIVersion()) + if err != nil { + return schema.GroupVersionKind{} + } + gvk := gv.WithKind(u.GetKind()) + return gvk +} + +func (u *UnstructuredList) setNestedField(value interface{}, fields ...string) { + if u.Object == nil { + u.Object = make(map[string]interface{}) + } + SetNestedField(u.Object, value, fields...) +} |