vendor: bump k8s dependencies to v0.29.2

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

vendor/k8s.io/apimachinery/pkg/util/managedfields/internal/fieldmanager.go

@@ -0,0 +1,209 @@
+/*
+Copyright 2022 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 internal
+
+import (
+	"fmt"
+	"reflect"
+	"time"
+
+	"k8s.io/apimachinery/pkg/api/meta"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/klog/v2"
+	"sigs.k8s.io/structured-merge-diff/v4/merge"
+)
+
+// DefaultMaxUpdateManagers defines the default maximum retained number of managedFields entries from updates
+// if the number of update managers exceeds this, the oldest entries will be merged until the number is below the maximum.
+// TODO(jennybuckley): Determine if this is really the best value. Ideally we wouldn't unnecessarily merge too many entries.
+const DefaultMaxUpdateManagers int = 10
+
+// DefaultTrackOnCreateProbability defines the default probability that the field management of an object
+// starts being tracked from the object's creation, instead of from the first time the object is applied to.
+const DefaultTrackOnCreateProbability float32 = 1
+
+var atMostEverySecond = NewAtMostEvery(time.Second)
+
+// FieldManager updates the managed fields and merges applied
+// configurations.
+type FieldManager struct {
+	fieldManager Manager
+	subresource  string
+}
+
+// NewFieldManager creates a new FieldManager that decodes, manages, then re-encodes managedFields
+// on update and apply requests.
+func NewFieldManager(f Manager, subresource string) *FieldManager {
+	return &FieldManager{fieldManager: f, subresource: subresource}
+}
+
+// newDefaultFieldManager is a helper function which wraps a Manager with certain default logic.
+func NewDefaultFieldManager(f Manager, typeConverter TypeConverter, objectConverter runtime.ObjectConvertor, objectCreater runtime.ObjectCreater, kind schema.GroupVersionKind, subresource string) *FieldManager {
+	return NewFieldManager(
+		NewVersionCheckManager(
+			NewLastAppliedUpdater(
+				NewLastAppliedManager(
+					NewProbabilisticSkipNonAppliedManager(
+						NewCapManagersManager(
+							NewBuildManagerInfoManager(
+								NewManagedFieldsUpdater(
+									NewStripMetaManager(f),
+								), kind.GroupVersion(), subresource,
+							), DefaultMaxUpdateManagers,
+						), objectCreater, DefaultTrackOnCreateProbability,
+					), typeConverter, objectConverter, kind.GroupVersion(),
+				),
+			), kind,
+		), subresource,
+	)
+}
+
+func decodeLiveOrNew(liveObj, newObj runtime.Object, ignoreManagedFieldsFromRequestObject bool) (Managed, error) {
+	liveAccessor, err := meta.Accessor(liveObj)
+	if err != nil {
+		return nil, err
+	}
+
+	// We take the managedFields of the live object in case the request tries to
+	// manually set managedFields via a subresource.
+	if ignoreManagedFieldsFromRequestObject {
+		return emptyManagedFieldsOnErr(DecodeManagedFields(liveAccessor.GetManagedFields()))
+	}
+
+	// If the object doesn't have metadata, we should just return without trying to
+	// set the managedFields at all, so creates/updates/patches will work normally.
+	newAccessor, err := meta.Accessor(newObj)
+	if err != nil {
+		return nil, err
+	}
+
+	if isResetManagedFields(newAccessor.GetManagedFields()) {
+		return NewEmptyManaged(), nil
+	}
+
+	// If the managed field is empty or we failed to decode it,
+	// let's try the live object. This is to prevent clients who
+	// don't understand managedFields from deleting it accidentally.
+	managed, err := DecodeManagedFields(newAccessor.GetManagedFields())
+	if err != nil || len(managed.Fields()) == 0 {
+		return emptyManagedFieldsOnErr(DecodeManagedFields(liveAccessor.GetManagedFields()))
+	}
+	return managed, nil
+}
+
+func emptyManagedFieldsOnErr(managed Managed, err error) (Managed, error) {
+	if err != nil {
+		return NewEmptyManaged(), nil
+	}
+	return managed, nil
+}
+
+// Update is used when the object has already been merged (non-apply
+// use-case), and simply updates the managed fields in the output
+// object.
+func (f *FieldManager) Update(liveObj, newObj runtime.Object, manager string) (object runtime.Object, err error) {
+	// First try to decode the managed fields provided in the update,
+	// This is necessary to allow directly updating managed fields.
+	isSubresource := f.subresource != ""
+	managed, err := decodeLiveOrNew(liveObj, newObj, isSubresource)
+	if err != nil {
+		return newObj, nil
+	}
+
+	RemoveObjectManagedFields(newObj)
+
+	if object, managed, err = f.fieldManager.Update(liveObj, newObj, managed, manager); err != nil {
+		return nil, err
+	}
+
+	if err = EncodeObjectManagedFields(object, managed); err != nil {
+		return nil, fmt.Errorf("failed to encode managed fields: %v", err)
+	}
+
+	return object, nil
+}
+
+// UpdateNoErrors is the same as Update, but it will not return
+// errors. If an error happens, the object is returned with
+// managedFields cleared.
+func (f *FieldManager) UpdateNoErrors(liveObj, newObj runtime.Object, manager string) runtime.Object {
+	obj, err := f.Update(liveObj, newObj, manager)
+	if err != nil {
+		atMostEverySecond.Do(func() {
+			ns, name := "unknown", "unknown"
+			if accessor, err := meta.Accessor(newObj); err == nil {
+				ns = accessor.GetNamespace()
+				name = accessor.GetName()
+			}
+
+			klog.ErrorS(err, "[SHOULD NOT HAPPEN] failed to update managedFields", "versionKind",
+				newObj.GetObjectKind().GroupVersionKind(), "namespace", ns, "name", name)
+		})
+		// Explicitly remove managedFields on failure, so that
+		// we can't have garbage in it.
+		RemoveObjectManagedFields(newObj)
+		return newObj
+	}
+	return obj
+}
+
+// Returns true if the managedFields indicate that the user is trying to
+// reset the managedFields, i.e. if the list is non-nil but empty, or if
+// the list has one empty item.
+func isResetManagedFields(managedFields []metav1.ManagedFieldsEntry) bool {
+	if len(managedFields) == 0 {
+		return managedFields != nil
+	}
+
+	if len(managedFields) == 1 {
+		return reflect.DeepEqual(managedFields[0], metav1.ManagedFieldsEntry{})
+	}
+
+	return false
+}
+
+// Apply is used when server-side apply is called, as it merges the
+// object and updates the managed fields.
+func (f *FieldManager) Apply(liveObj, appliedObj runtime.Object, manager string, force bool) (object runtime.Object, err error) {
+	// If the object doesn't have metadata, apply isn't allowed.
+	accessor, err := meta.Accessor(liveObj)
+	if err != nil {
+		return nil, fmt.Errorf("couldn't get accessor: %v", err)
+	}
+
+	// Decode the managed fields in the live object, since it isn't allowed in the patch.
+	managed, err := DecodeManagedFields(accessor.GetManagedFields())
+	if err != nil {
+		return nil, fmt.Errorf("failed to decode managed fields: %v", err)
+	}
+
+	object, managed, err = f.fieldManager.Apply(liveObj, appliedObj, managed, manager, force)
+	if err != nil {
+		if conflicts, ok := err.(merge.Conflicts); ok {
+			return nil, NewConflictError(conflicts)
+		}
+		return nil, err
+	}
+
+	if err = EncodeObjectManagedFields(object, managed); err != nil {
+		return nil, fmt.Errorf("failed to encode managed fields: %v", err)
+	}
+
+	return object, nil
+}