if err != nil {
		if errors.Is(err, errConfigNotFound) {
			return nil, time.Time{}, BucketLifecycleNotFound{Bucket: bucket}
		}
		return nil, time.Time{}, err
	}
	// there could be just `ExpiryUpdatedAt` field populated as part
	// of last delete all. Treat this situation as not lifecycle configuration
	// available
	if meta.lifecycleConfig == nil || len(meta.lifecycleConfig.Rules) == 0 {

### 2. Run MinIO in federated mode

Bucket lookup from DNS federation requires two dependencies

- etcd (for bucket DNS service records)
- CoreDNS (for DNS management based on populated bucket DNS service records, optional)

## Architecture

![bucket-lookup](https://github.com/minio/minio/blob/master/docs/federation/lookup/bucket-lookup.png?raw=true)

### Environment variables

}

// NewEventNotifier - creates new event notification object.
func NewEventNotifier(ctx context.Context) *EventNotifier {
	// targetList/bucketRulesMap/bucketRemoteTargetRulesMap are populated by NotificationSys.InitBucketTargets()
	return &EventNotifier{
		targetList:     event.NewTargetList(ctx),
		bucketRulesMap: make(map[string]event.RulesMap),
	}
}

// GetARNList - returns available ARNs.

		}
		return anonDrives
	}

	go func() {
		defer xioutil.SafeClose(healthInfoCh)

		partialWrite(healthInfo) // Write first message with only version and deployment id populated
		getAndWritePlatformInfo()
		getAndWriteCPUs()
		getAndWritePartitions()
		getAndWriteNetInfo()
		getAndWriteOSInfo()
		getAndWriteMemInfo()
		getAndWriteProcInfo()
		getAndWriteMinioConfig()

		if err != nil && !errors.Is(err, errNoSuchPolicy) {
			iamLogIf(GlobalContext,
				fmt.Errorf("unable to load policies during STS purge: %w (%s)", err, item))
		}

	}

	// Store the newly populated map in the iam cache. This takes care of
	// removing stale entries from the existing map.
	iamOS.Lock()
	defer iamOS.Unlock()
	iamOS.iamCache.iamSTSAccountsMap = stsAccountsFromStore

			case errDiskNotFound:
				hr.After.Drives[i].State = madmin.DriveStateOffline
			default:
				hr.After.Drives[i].State = madmin.DriveStateCorrupt
			}
		}
	}
	return hr, nil
}

// Populates default heal result item entries with possible values when we are returning prematurely.
// This is to ensure that in any circumstance we are not returning empty arrays with wrong values.