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Update staging/src/k8s.io/client-go/util/csaupgrade/upgrade.go

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Co-authored-by: Antoine Pelisse <apelisse@gmail.com>

Kubernetes-commit: 5caffef694b50168f546d7758a26de832302b541
This commit is contained in:
Alex Zielenski 2022-09-02 17:34:07 -07:00 committed by Kubernetes Publisher
parent 675ca93180
commit 703d15eff6
1 changed files with 10 additions and 17 deletions
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27
util/csaupgrade/upgrade.go
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@ -51,46 +51,39 @@ func UpgradeManagedFields(
managedFields = append(managedFields, accessor.GetManagedFields()...)
// Locate SSA manager
ssaManagerIndex, ssaManagerExists := findFirstIndex(managedFields,
replaceIndex, managerExists := findFirstIndex(managedFields,
func(entry metav1.ManagedFieldsEntry) bool {
return entry.Manager == ssaManagerName &&
entry.Operation == metav1.ManagedFieldsOperationApply &&
entry.Subresource == ""
})
if ssaManagerExists {
err = unionManagerIntoIndex(managedFields, ssaManagerIndex, csaManagerName)
if err != nil {
return nil, err
}
} else {
if !managerExists {
// SSA manager does not exist. Find the most recent matching CSA manager,
// convert it to an SSA manager.
//
// (find first index, since managed fields are sorted so that most recent is
// first in the list)
csaManagerIndex, csaManagerExists := findFirstIndex(managedFields,
replaceIndex, managerExists = findFirstIndex(managedFields,
func(entry metav1.ManagedFieldsEntry) bool {
return entry.Manager == csaManagerName &&
entry.Operation == metav1.ManagedFieldsOperationUpdate &&
entry.Subresource == ""
})
if !csaManagerExists {
if !managerExists {
// There are no CSA managers that need to be converted. Nothing to do
// Return early
return obj, nil
}
// Convert CSA manager into SSA manager
managedFields[csaManagerIndex].Operation = metav1.ManagedFieldsOperationApply
managedFields[csaManagerIndex].Manager = ssaManagerName
err = unionManagerIntoIndex(managedFields, csaManagerIndex, csaManagerName)
if err != nil {
return nil, err
}
managedFields[replaceIndex].Operation = metav1.ManagedFieldsOperationApply
managedFields[replaceIndex].Manager = ssaManagerName
}
err = unionManagerIntoIndex(managedFields, replaceIndex, csaManagerName)
if err != nil {
return nil, err
}
// Create version of managed fields which has no CSA managers with the given name