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ad0f7a5305
Upgrade to Go 1.20.5, Hydra v2 SDK, rules-go v0.44.2 (with proper resolves), protobuf v25.3 and mass upgrade of Go dependencies.
91 lines
3.0 KiB
Go
91 lines
3.0 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package internal
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import (
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"fmt"
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"k8s.io/apimachinery/pkg/runtime"
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"sigs.k8s.io/structured-merge-diff/v4/fieldpath"
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)
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type stripMetaManager struct {
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fieldManager Manager
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// stripSet is the list of fields that should never be part of a mangedFields.
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stripSet *fieldpath.Set
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}
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var _ Manager = &stripMetaManager{}
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// NewStripMetaManager creates a new Manager that strips metadata and typemeta fields from the manager's fieldset.
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func NewStripMetaManager(fieldManager Manager) Manager {
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return &stripMetaManager{
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fieldManager: fieldManager,
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stripSet: fieldpath.NewSet(
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fieldpath.MakePathOrDie("apiVersion"),
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fieldpath.MakePathOrDie("kind"),
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fieldpath.MakePathOrDie("metadata"),
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fieldpath.MakePathOrDie("metadata", "name"),
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fieldpath.MakePathOrDie("metadata", "namespace"),
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fieldpath.MakePathOrDie("metadata", "creationTimestamp"),
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fieldpath.MakePathOrDie("metadata", "selfLink"),
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fieldpath.MakePathOrDie("metadata", "uid"),
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fieldpath.MakePathOrDie("metadata", "clusterName"),
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fieldpath.MakePathOrDie("metadata", "generation"),
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fieldpath.MakePathOrDie("metadata", "managedFields"),
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fieldpath.MakePathOrDie("metadata", "resourceVersion"),
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),
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}
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}
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// Update implements Manager.
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func (f *stripMetaManager) Update(liveObj, newObj runtime.Object, managed Managed, manager string) (runtime.Object, Managed, error) {
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newObj, managed, err := f.fieldManager.Update(liveObj, newObj, managed, manager)
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if err != nil {
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return nil, nil, err
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}
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f.stripFields(managed.Fields(), manager)
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return newObj, managed, nil
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}
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// Apply implements Manager.
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func (f *stripMetaManager) Apply(liveObj, appliedObj runtime.Object, managed Managed, manager string, force bool) (runtime.Object, Managed, error) {
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newObj, managed, err := f.fieldManager.Apply(liveObj, appliedObj, managed, manager, force)
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if err != nil {
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return nil, nil, err
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}
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f.stripFields(managed.Fields(), manager)
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return newObj, managed, nil
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}
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// stripFields removes a predefined set of paths found in typed from managed
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func (f *stripMetaManager) stripFields(managed fieldpath.ManagedFields, manager string) {
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vs, ok := managed[manager]
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if ok {
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if vs == nil {
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panic(fmt.Sprintf("Found unexpected nil manager which should never happen: %s", manager))
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}
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newSet := vs.Set().Difference(f.stripSet)
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if newSet.Empty() {
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delete(managed, manager)
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} else {
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managed[manager] = fieldpath.NewVersionedSet(newSet, vs.APIVersion(), vs.Applied())
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}
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}
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}
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