feat: kubesphere 4.0 (#6115)

* feat: kubesphere 4.0

Signed-off-by: ci-bot <ci-bot@kubesphere.io>

* feat: kubesphere 4.0

Signed-off-by: ci-bot <ci-bot@kubesphere.io>

---------

Signed-off-by: ci-bot <ci-bot@kubesphere.io>
Co-authored-by: ks-ci-bot <ks-ci-bot@example.com>
Co-authored-by: joyceliu <joyceliu@yunify.com>

vendor/k8s.io/apiextensions-apiserver/pkg/apiserver/schema/objectmeta/coerce.go

@@ -0,0 +1,151 @@
+/*
+Copyright 2019 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 objectmeta
+
+import (
+	"fmt"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/apimachinery/pkg/runtime"
+	utiljson "k8s.io/apimachinery/pkg/util/json"
+	"k8s.io/apimachinery/pkg/util/validation/field"
+	kjson "sigs.k8s.io/json"
+)
+
+// GetObjectMeta calls GetObjectMetaWithOptions without returning unknown field paths.
+func GetObjectMeta(obj map[string]interface{}, dropMalformedFields bool) (*metav1.ObjectMeta, bool, error) {
+	meta, found, _, err := GetObjectMetaWithOptions(obj, ObjectMetaOptions{
+		DropMalformedFields: dropMalformedFields,
+	})
+	return meta, found, err
+}
+
+// ObjectMetaOptions provides the options for how GetObjectMeta should retrieve the object meta.
+type ObjectMetaOptions struct {
+	// DropMalformedFields discards malformed serialized metadata fields that
+	// cannot be successfully decoded to the corresponding ObjectMeta field.
+	// This only applies to fields that are recognized as part of the schema,
+	// but of an invalid type (i.e. cause an error when unmarshaling, rather
+	// than being dropped or causing a strictErr).
+	DropMalformedFields bool
+	// ReturnUnknownFieldPaths will return the paths to fields that are not
+	// recognized as part of the schema.
+	ReturnUnknownFieldPaths bool
+	// ParentPath provides the current path up to the given ObjectMeta.
+	// If nil, the metadata is assumed to be at the root of the object.
+	ParentPath *field.Path
+}
+
+// GetObjectMetaWithOptions  does conversion of JSON to ObjectMeta.
+// It first tries json.Unmarshal into a metav1.ObjectMeta
+// type. If that does not work and opts.DropMalformedFields is true, it does field-by-field best-effort conversion
+// throwing away fields which lead to errors.
+// If opts.ReturnedUnknownFields is true, it will UnmarshalStrict instead, returning the paths of any unknown fields
+// it encounters (i.e. paths returned as strict errs from UnmarshalStrict)
+func GetObjectMetaWithOptions(obj map[string]interface{}, opts ObjectMetaOptions) (*metav1.ObjectMeta, bool, []string, error) {
+	metadata, found := obj["metadata"]
+	if !found {
+		return nil, false, nil, nil
+	}
+
+	// round-trip through JSON first, hoping that unmarshalling just works
+	objectMeta := &metav1.ObjectMeta{}
+	metadataBytes, err := utiljson.Marshal(metadata)
+	if err != nil {
+		return nil, false, nil, err
+	}
+	var unmarshalErr error
+	if opts.ReturnUnknownFieldPaths {
+		var strictErrs []error
+		strictErrs, unmarshalErr = kjson.UnmarshalStrict(metadataBytes, objectMeta)
+		if unmarshalErr == nil {
+			if len(strictErrs) > 0 {
+				unknownPaths := []string{}
+				prefix := opts.ParentPath.Child("metadata").String()
+				for _, err := range strictErrs {
+					if fieldPathErr, ok := err.(kjson.FieldError); ok {
+						unknownPaths = append(unknownPaths, prefix+"."+fieldPathErr.FieldPath())
+					}
+				}
+				return objectMeta, true, unknownPaths, nil
+			}
+			return objectMeta, true, nil, nil
+		}
+	} else {
+		if unmarshalErr = utiljson.Unmarshal(metadataBytes, objectMeta); unmarshalErr == nil {
+			// if successful, return
+			return objectMeta, true, nil, nil
+		}
+	}
+	if !opts.DropMalformedFields {
+		// if we're not trying to drop malformed fields, return the error
+		return nil, true, nil, unmarshalErr
+	}
+
+	metadataMap, ok := metadata.(map[string]interface{})
+	if !ok {
+		return nil, false, nil, fmt.Errorf("invalid metadata: expected object, got %T", metadata)
+	}
+
+	// Go field by field accumulating into the metadata object.
+	// This takes advantage of the fact that you can repeatedly unmarshal individual fields into a single struct,
+	// each iteration preserving the old key-values.
+	accumulatedObjectMeta := &metav1.ObjectMeta{}
+	testObjectMeta := &metav1.ObjectMeta{}
+	var unknownFields []string
+	for k, v := range metadataMap {
+		// serialize a single field
+		if singleFieldBytes, err := utiljson.Marshal(map[string]interface{}{k: v}); err == nil {
+			// do a test unmarshal
+			if utiljson.Unmarshal(singleFieldBytes, testObjectMeta) == nil {
+				// if that succeeds, unmarshal for real
+				if opts.ReturnUnknownFieldPaths {
+					strictErrs, _ := kjson.UnmarshalStrict(singleFieldBytes, accumulatedObjectMeta)
+					if len(strictErrs) > 0 {
+						prefix := opts.ParentPath.Child("metadata").String()
+						for _, err := range strictErrs {
+							if fieldPathErr, ok := err.(kjson.FieldError); ok {
+								unknownFields = append(unknownFields, prefix+"."+fieldPathErr.FieldPath())
+							}
+						}
+					}
+				} else {
+					utiljson.Unmarshal(singleFieldBytes, accumulatedObjectMeta)
+				}
+			}
+		}
+	}
+
+	return accumulatedObjectMeta, true, unknownFields, nil
+}
+
+// SetObjectMeta writes back ObjectMeta into a JSON data structure.
+func SetObjectMeta(obj map[string]interface{}, objectMeta *metav1.ObjectMeta) error {
+	if objectMeta == nil {
+		unstructured.RemoveNestedField(obj, "metadata")
+		return nil
+	}
+
+	metadata, err := runtime.DefaultUnstructuredConverter.ToUnstructured(objectMeta)
+	if err != nil {
+		return err
+	}
+
+	obj["metadata"] = metadata
+	return nil
+}