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Signed-off-by: Alper Rifat Ulucinar <ulucinar@users.noreply.github.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| package migration | ||
|
|
||
| import ( | ||
| "github.com/crossplane/crossplane-runtime/pkg/fieldpath" | ||
| "github.com/pkg/errors" | ||
| "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/apimachinery/pkg/runtime/schema" | ||
| "k8s.io/apimachinery/pkg/util/json" | ||
| ) | ||
|
|
||
| const ( | ||
| errFromUnstructured = "failed to convert from unstructured.Unstructured to the managed resource type" | ||
| errToUnstructured = "failed to convert from the managed resource type to unstructured.Unstructured" | ||
| errRawExtensionUnmarshal = "failed to unmarshal runtime.RawExtension" | ||
|
|
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| errFmtPavedDelete = "failed to delete fieldpath %q from paved" | ||
| ) | ||
|
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| func CopyInto(source any, target any, targetGVK schema.GroupVersionKind, skipFieldPaths ...string) (any, error) { | ||
| u := ToUnstructured(source) | ||
| paved := fieldpath.Pave(u.Object) | ||
| skipFieldPaths = append(skipFieldPaths, "apiVersion", "kind") | ||
| for _, p := range skipFieldPaths { | ||
| if err := paved.DeleteField(p); err != nil { | ||
| return nil, errors.Wrapf(err, errFmtPavedDelete, p) | ||
| } | ||
| } | ||
| u.SetGroupVersionKind(targetGVK) | ||
| return target, errors.Wrap(runtime.DefaultUnstructuredConverter.FromUnstructured(u.Object, target), errFromUnstructured) | ||
| } | ||
|
|
||
| func sanitizeResource(m map[string]any) map[string]any { | ||
| delete(m, "status") | ||
| if _, ok := m["metadata"]; !ok { | ||
| return m | ||
| } | ||
| metadata := m["metadata"].(map[string]any) | ||
|
|
||
| if v := metadata["creationTimestamp"]; v == nil { | ||
| delete(metadata, "creationTimestamp") | ||
| } | ||
| if len(metadata) == 0 { | ||
| delete(m, "metadata") | ||
| } | ||
| return m | ||
| } | ||
|
|
||
| func ToUnstructured(mg any) unstructured.Unstructured { | ||
| m, err := runtime.DefaultUnstructuredConverter.ToUnstructured(mg) | ||
| if err != nil { | ||
| panic(errors.Wrap(err, errToUnstructured)) | ||
| } | ||
| return unstructured.Unstructured{ | ||
| Object: sanitizeResource(m), | ||
| } | ||
| } | ||
|
|
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| func FromRawExtension(r runtime.RawExtension) (unstructured.Unstructured, error) { | ||
| var m map[string]interface{} | ||
| if err := json.Unmarshal(r.Raw, &m); err != nil { | ||
| return unstructured.Unstructured{}, errors.Wrap(err, errRawExtensionUnmarshal) | ||
| } | ||
| return unstructured.Unstructured{ | ||
| Object: m, | ||
| }, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| package migration | ||
|
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| type NoopTarget struct{} | ||
|
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| func (_ NoopTarget) Put(_ UnstructuredWithMetadata) error { | ||
| return nil | ||
| } | ||
|
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| func (_ NoopTarget) Patch(_ UnstructuredWithMetadata) error { | ||
| return nil | ||
| } | ||
|
|
||
| func (_ NoopTarget) Delete(_ UnstructuredWithMetadata) error { | ||
| return nil | ||
| } |
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