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/pruning/algorithm.go

@@ -0,0 +1,149 @@
+/*
+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 pruning
+
+import (
+	"sort"
+
+	structuralschema "k8s.io/apiextensions-apiserver/pkg/apiserver/schema"
+)
+
+// PruneWithOptions removes object fields in obj which are not specified in s. It skips TypeMeta
+// and ObjectMeta fields if XEmbeddedResource is set to true, or for the root if isResourceRoot=true,
+// i.e. it does not prune unknown metadata fields.
+// It returns the set of fields that it prunes if opts.TrackUnknownFieldPaths is true
+func PruneWithOptions(obj interface{}, s *structuralschema.Structural, isResourceRoot bool, opts structuralschema.UnknownFieldPathOptions) []string {
+	if isResourceRoot {
+		if s == nil {
+			s = &structuralschema.Structural{}
+		}
+		if !s.XEmbeddedResource {
+			clone := *s
+			clone.XEmbeddedResource = true
+			s = &clone
+		}
+	}
+	prune(obj, s, &opts)
+	sort.Strings(opts.UnknownFieldPaths)
+	return opts.UnknownFieldPaths
+}
+
+// Prune is equivalent to
+// PruneWithOptions(obj, s, isResourceRoot, structuralschema.UnknownFieldPathOptions{})
+func Prune(obj interface{}, s *structuralschema.Structural, isResourceRoot bool) {
+	PruneWithOptions(obj, s, isResourceRoot, structuralschema.UnknownFieldPathOptions{})
+}
+
+var metaFields = map[string]bool{
+	"apiVersion": true,
+	"kind":       true,
+	"metadata":   true,
+}
+
+func prune(x interface{}, s *structuralschema.Structural, opts *structuralschema.UnknownFieldPathOptions) {
+	if s != nil && s.XPreserveUnknownFields {
+		skipPrune(x, s, opts)
+		return
+	}
+
+	origPathLen := len(opts.ParentPath)
+	defer func() {
+		opts.ParentPath = opts.ParentPath[:origPathLen]
+	}()
+	switch x := x.(type) {
+	case map[string]interface{}:
+		if s == nil {
+			for k := range x {
+				opts.RecordUnknownField(k)
+				delete(x, k)
+			}
+			return
+		}
+		for k, v := range x {
+			if s.XEmbeddedResource && metaFields[k] {
+				continue
+			}
+			prop, ok := s.Properties[k]
+			if ok {
+				opts.AppendKey(k)
+				prune(v, &prop, opts)
+				opts.ParentPath = opts.ParentPath[:origPathLen]
+			} else if s.AdditionalProperties != nil {
+				opts.AppendKey(k)
+				prune(v, s.AdditionalProperties.Structural, opts)
+				opts.ParentPath = opts.ParentPath[:origPathLen]
+			} else {
+				if !metaFields[k] || len(opts.ParentPath) > 0 {
+					opts.RecordUnknownField(k)
+				}
+				delete(x, k)
+			}
+		}
+	case []interface{}:
+		if s == nil {
+			for i, v := range x {
+				opts.AppendIndex(i)
+				prune(v, nil, opts)
+				opts.ParentPath = opts.ParentPath[:origPathLen]
+			}
+			return
+		}
+		for i, v := range x {
+			opts.AppendIndex(i)
+			prune(v, s.Items, opts)
+			opts.ParentPath = opts.ParentPath[:origPathLen]
+		}
+	default:
+		// scalars, do nothing
+	}
+}
+
+func skipPrune(x interface{}, s *structuralschema.Structural, opts *structuralschema.UnknownFieldPathOptions) {
+	if s == nil {
+		return
+	}
+	origPathLen := len(opts.ParentPath)
+	defer func() {
+		opts.ParentPath = opts.ParentPath[:origPathLen]
+	}()
+
+	switch x := x.(type) {
+	case map[string]interface{}:
+		for k, v := range x {
+			if s.XEmbeddedResource && metaFields[k] {
+				continue
+			}
+			if prop, ok := s.Properties[k]; ok {
+				opts.AppendKey(k)
+				prune(v, &prop, opts)
+				opts.ParentPath = opts.ParentPath[:origPathLen]
+			} else if s.AdditionalProperties != nil {
+				opts.AppendKey(k)
+				prune(v, s.AdditionalProperties.Structural, opts)
+				opts.ParentPath = opts.ParentPath[:origPathLen]
+			}
+		}
+	case []interface{}:
+		for i, v := range x {
+			opts.AppendIndex(i)
+			skipPrune(v, s.Items, opts)
+			opts.ParentPath = opts.ParentPath[:origPathLen]
+		}
+	default:
+		// scalars, do nothing
+	}
+}