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refactor ToUnstructured helper to a new package
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| /* | ||
| Copyright 2021 The Knative 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 ( | ||
| "fmt" | ||
|
|
||
| "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| ) | ||
|
|
||
| // ConvertTo converts a runtime.Object to an unstructured.Unstructured type | ||
| func ConvertTo(s *runtime.Scheme, obj runtime.Object) (*unstructured.Unstructured, error) { | ||
| var ( | ||
| err error | ||
| u unstructured.Unstructured | ||
| ) | ||
|
|
||
| u.Object, err = runtime.DefaultUnstructuredConverter.ToUnstructured(obj) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to convert to unstructured: %w", err) | ||
| } | ||
|
|
||
| gvk := u.GroupVersionKind() | ||
| if gvk.Group == "" || gvk.Kind == "" { | ||
| gvks, _, err := s.ObjectKinds(obj) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to convert to unstructured: %w", err) | ||
| } | ||
| apiv, k := gvks[0].ToAPIVersionAndKind() | ||
| u.SetAPIVersion(apiv) | ||
| u.SetKind(k) | ||
| } | ||
| return &u, nil | ||
| } | ||
|
|
||
| // ConvertManyTo converts a slice of runtime.Object to a slice of *unstructured.Unstructured | ||
| func ConvertManyTo(s *runtime.Scheme, objs []runtime.Object) ([]*unstructured.Unstructured, error) { | ||
| ul := make([]*unstructured.Unstructured, 0, len(objs)) | ||
|
|
||
| for _, obj := range objs { | ||
| u, err := ConvertTo(s, obj) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| ul = append(ul, u) | ||
| } | ||
| return ul, nil | ||
| } | ||
|
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| // ConvertManyToObjects converts a slice of runtime.Object to a slice of runtime.Objects | ||
| // where each element is of the type *unstructured.Unstructured | ||
| func ConvertManyToObjects(s *runtime.Scheme, objs []runtime.Object) ([]runtime.Object, error) { | ||
| ul := make([]runtime.Object, 0, len(objs)) | ||
|
|
||
| for _, obj := range objs { | ||
| u, err := ConvertTo(s, obj) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| ul = append(ul, u) | ||
| } | ||
| return ul, nil | ||
| } |
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