corefileMigrationRequired, err := isCoreDNSConfigMapMigrationRequired(corefile, currentInstalledCoreDNSVersion)
	if err != nil {
		return err
	}

	// Assume that migration is always possible, rely on migrateCoreDNSCorefile() to fail if not.
	canMigrateCorefile := true

	if corefile == "" || migration.Default("", corefile) {
		// If the Corefile is empty or default, the latest default Corefile will be applied