fix: remove the requirement for healing buckets in ListBucketsHeal (#11098)

With new refactor of bucket healing, healing bucket happens
automatically including its metadata, there is no need to
redundant heal buckets also in ListBucketsHeal remove
it.

cmd/admin-heal-ops.go

@@ -868,7 +868,7 @@ func (h *healSequence) healBuckets(objAPI ObjectLayer, bucketsOnly bool) error {
 		return h.healBucket(objAPI, h.bucket, bucketsOnly)
 	}
 
-	buckets, err := objAPI.ListBucketsHeal(h.ctx)
+	buckets, err := objAPI.ListBuckets(h.ctx)
 	if err != nil {
 		return errFnHealFromAPIErr(h.ctx, err)
 	}

cmd/background-newdisks-heal-ops.go

@@ -160,7 +160,7 @@ wait:
 				erasureSetInZoneDisksToHeal[zoneIdx][setIndex] = append(erasureSetInZoneDisksToHeal[zoneIdx][setIndex], disk)
 			}
 
-			buckets, _ := z.ListBucketsHeal(ctx)
+			buckets, _ := z.ListBuckets(ctx)
 			for i, setMap := range erasureSetInZoneDisksToHeal {
 				for setIndex, disks := range setMap {
 					for _, disk := range disks {

cmd/bucket-metadata-sys.go

@@ -191,7 +191,6 @@ func (sys *BucketMetadataSys) Update(bucket string, configFile string, configDat
 // This function should only be used with
 // - GetBucketInfo
 // - ListBuckets
-// - ListBucketsHeal (only in case of erasure coding mode)
 // For all other bucket specific metadata, use the relevant
 // calls implemented specifically for each of those features.
 func (sys *BucketMetadataSys) Get(bucket string) (BucketMetadata, error) {
@@ -440,11 +439,10 @@ func (sys *BucketMetadataSys) concurrentLoad(ctx context.Context, buckets []Buck
 	for index := range buckets {
 		index := index
 		g.Go(func() error {
-			if _, err := objAPI.HealBucket(ctx, buckets[index].Name, madmin.HealOpts{
+			_, _ = objAPI.HealBucket(ctx, buckets[index].Name, madmin.HealOpts{
-				Remove: true,
+				// Ensure heal opts for bucket metadata be deep healed all the time.
-			}); err != nil {
+				ScanMode: madmin.HealDeepScan,
-				return err
+			})
-			}
 			meta, err := loadBucketMetadata(ctx, objAPI, buckets[index].Name)
 			if err != nil {
 				return err

cmd/erasure-bucket.go

@@ -31,39 +31,6 @@ var bucketOpIgnoredErrs = append(baseIgnoredErrs, errDiskAccessDenied, errUnform
 // list all errors that can be ignored in a bucket metadata operation.
 var bucketMetadataOpIgnoredErrs = append(bucketOpIgnoredErrs, errVolumeNotFound)
 
-// MakeMultipleBuckets - create a list of buckets
-func (er erasureObjects) MakeMultipleBuckets(ctx context.Context, bucketsInfo ...BucketInfo) error {
-	storageDisks := er.getDisks()
-
-	g := errgroup.WithNErrs(len(storageDisks))
-
-	buckets := make([]string, len(bucketsInfo))
-	for i := range bucketsInfo {
-		buckets[i] = bucketsInfo[i].Name
-	}
-
-	// Make a volume entry on all underlying storage disks.
-	for index := range storageDisks {
-		index := index
-		g.Go(func() error {
-			if storageDisks[index] != nil {
-				if err := storageDisks[index].MakeVolBulk(ctx, buckets...); err != nil {
-					if !errors.Is(err, errVolumeExists) {
-						logger.LogIf(ctx, err)
-					}
-					return err
-				}
-				return nil
-			}
-			return errDiskNotFound
-		}, index)
-	}
-
-	writeQuorum := getWriteQuorum(len(storageDisks))
-	err := reduceWriteQuorumErrs(ctx, g.Wait(), bucketOpIgnoredErrs, writeQuorum)
-	return toObjectErr(err)
-}
-
 /// Bucket operations
 
 // MakeBucket - make a bucket.

cmd/erasure-server-sets.go

@@ -430,28 +430,6 @@ func (z *erasureServerPools) CrawlAndGetDataUsage(ctx context.Context, bf *bloom
 	return firstErr
 }
 
-func (z *erasureServerPools) MakeMultipleBuckets(ctx context.Context, buckets ...BucketInfo) error {
-	g := errgroup.WithNErrs(len(z.serverPools))
-
-	// Create buckets in parallel across all sets.
-	for index := range z.serverPools {
-		index := index
-		g.Go(func() error {
-			return z.serverPools[index].MakeMultipleBuckets(ctx, buckets...)
-		}, index)
-	}
-
-	errs := g.Wait()
-	// Return the first encountered error
-	for _, err := range errs {
-		if err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
 // MakeBucketWithLocation - creates a new bucket across all serverPools simultaneously
 // even if one of the sets fail to create buckets, we proceed all the successful
 // operations.
@@ -1181,13 +1159,8 @@ func (z *erasureServerPools) HealBucket(ctx context.Context, bucket string, opts
 		Bucket: bucket,
 	}
 
-	// Ensure heal opts for bucket metadata be deep healed all the time.
+	// Attempt heal on the bucket metadata, ignore any failures
-	opts.ScanMode = madmin.HealDeepScan
+	_, _ = z.HealObject(ctx, minioMetaBucket, pathJoin(bucketConfigPrefix, bucket, bucketMetadataFile), "", opts)
-
-	// Ignore the results on purpose.
-	if _, err := z.HealObject(ctx, minioMetaBucket, pathJoin(bucketConfigPrefix, bucket), "", opts); err != nil {
-		logger.LogIf(ctx, fmt.Errorf("Healing bucket metadata for %s failed", bucket))
-	}
 
 	for _, zone := range z.serverPools {
 		result, err := zone.HealBucket(ctx, bucket, opts)
@@ -1203,6 +1176,7 @@ func (z *erasureServerPools) HealBucket(ctx context.Context, bucket string, opts
 		r.Before.Drives = append(r.Before.Drives, result.Before.Drives...)
 		r.After.Drives = append(r.After.Drives, result.After.Drives...)
 	}
+
 	return r, nil
 }
 
@@ -1372,26 +1346,6 @@ func (z *erasureServerPools) HealObject(ctx context.Context, bucket, object, ver
 	}
 }
 
-func (z *erasureServerPools) ListBucketsHeal(ctx context.Context) ([]BucketInfo, error) {
-	var healBuckets []BucketInfo
-	for _, zone := range z.serverPools {
-		bucketsInfo, err := zone.ListBucketsHeal(ctx)
-		if err != nil {
-			continue
-		}
-		healBuckets = append(healBuckets, bucketsInfo...)
-	}
-
-	for i := range healBuckets {
-		meta, err := globalBucketMetadataSys.Get(healBuckets[i].Name)
-		if err == nil {
-			healBuckets[i].Created = meta.Created
-		}
-	}
-
-	return healBuckets, nil
-}
-
 // GetMetrics - no op
 func (z *erasureServerPools) GetMetrics(ctx context.Context) (*Metrics, error) {
 	logger.LogIf(ctx, NotImplemented{})

cmd/erasure-sets.go

@@ -562,31 +562,6 @@ func (s *erasureSets) Shutdown(ctx context.Context) error {
 	return nil
 }
 
-// MakeMultipleBuckets - make many buckets at once.
-func (s *erasureSets) MakeMultipleBuckets(ctx context.Context, buckets ...BucketInfo) error {
-	g := errgroup.WithNErrs(len(s.sets))
-
-	// Create buckets in parallel across all sets.
-	for index := range s.sets {
-		index := index
-		g.Go(func() error {
-			return s.sets[index].MakeMultipleBuckets(ctx, buckets...)
-		}, index)
-	}
-
-	errs := g.Wait()
-
-	// Return the first encountered error
-	for _, err := range errs {
-		if err != nil {
-			return err
-		}
-	}
-
-	// Success.
-	return nil
-}
-
 // MakeBucketLocation - creates a new bucket across all sets simultaneously,
 // then return the first encountered error
 func (s *erasureSets) MakeBucketWithLocation(ctx context.Context, bucket string, opts BucketOptions) error {
@@ -739,8 +714,20 @@ func undoDeleteBucketSets(ctx context.Context, bucket string, sets []*erasureObj
 // sort here just for simplification. As per design it is assumed
 // that all buckets are present on all sets.
 func (s *erasureSets) ListBuckets(ctx context.Context) (buckets []BucketInfo, err error) {
-	// Always lists from the same set signified by the empty string.
+	var listBuckets []BucketInfo
-	return s.ListBucketsHeal(ctx)
+	var healBuckets = map[string]VolInfo{}
+	for _, set := range s.sets {
+		// lists all unique buckets across drives.
+		if err := listAllBuckets(ctx, set.getDisks(), healBuckets); err != nil {
+			return nil, err
+		}
+	}
+	for _, v := range healBuckets {
+		listBuckets = append(listBuckets, BucketInfo(v))
+	}
+	sort.Sort(byBucketName(listBuckets))
+
+	return listBuckets, nil
 }
 
 // --- Object Operations ---
@@ -1319,28 +1306,6 @@ func (s *erasureSets) HealObject(ctx context.Context, bucket, object, versionID
 	return s.getHashedSet(object).HealObject(ctx, bucket, object, versionID, opts)
 }
 
-// Lists all buckets which need healing.
-func (s *erasureSets) ListBucketsHeal(ctx context.Context) ([]BucketInfo, error) {
-	var listBuckets []BucketInfo
-	var healBuckets = map[string]VolInfo{}
-	for _, set := range s.sets {
-		// lists all unique buckets across drives.
-		if err := listAllBuckets(ctx, set.getDisks(), healBuckets); err != nil {
-			return nil, err
-		}
-	}
-	for _, v := range healBuckets {
-		listBuckets = append(listBuckets, BucketInfo(v))
-	}
-	sort.Sort(byBucketName(listBuckets))
-
-	if err := s.MakeMultipleBuckets(ctx, listBuckets...); err != nil {
-		return listBuckets, err
-	}
-
-	return listBuckets, nil
-}
-
 // PutObjectTags - replace or add tags to an existing object
 func (s *erasureSets) PutObjectTags(ctx context.Context, bucket, object string, tags string, opts ObjectOptions) error {
 	return s.getHashedSet(object).PutObjectTags(ctx, bucket, object, tags, opts)

cmd/fs-v1.go

@@ -1565,11 +1565,6 @@ func (fs *FSObjects) HealObjects(ctx context.Context, bucket, prefix string, opt
 	return NotImplemented{}
 }
 
-// ListBucketsHeal - list all buckets to be healed. Valid only for Erasure, returns ListBuckets() in single drive mode.
-func (fs *FSObjects) ListBucketsHeal(ctx context.Context) ([]BucketInfo, error) {
-	return fs.ListBuckets(ctx)
-}
-
 // GetMetrics - no op
 func (fs *FSObjects) GetMetrics(ctx context.Context) (*Metrics, error) {
 	logger.LogIf(ctx, NotImplemented{})

cmd/gateway-unsupported.go

@@ -51,11 +51,6 @@ func (a GatewayUnsupported) SetDriveCount() int {
 	return 0
 }
 
-// MakeMultipleBuckets is dummy stub for gateway.
-func (a GatewayUnsupported) MakeMultipleBuckets(ctx context.Context, buckets ...BucketInfo) error {
-	return NotImplemented{}
-}
-
 // ListMultipartUploads lists all multipart uploads.
 func (a GatewayUnsupported) ListMultipartUploads(ctx context.Context, bucket string, prefix string, keyMarker string, uploadIDMarker string, delimiter string, maxUploads int) (lmi ListMultipartsInfo, err error) {
 	return lmi, NotImplemented{}
@@ -175,11 +170,6 @@ func (a GatewayUnsupported) HealBucket(ctx context.Context, bucket string, opts
 	return madmin.HealResultItem{}, NotImplemented{}
 }
 
-// ListBucketsHeal - Not implemented stub
-func (a GatewayUnsupported) ListBucketsHeal(ctx context.Context) (buckets []BucketInfo, err error) {
-	return nil, NotImplemented{}
-}
-
 // HealObject - Not implemented stub
 func (a GatewayUnsupported) HealObject(ctx context.Context, bucket, object, versionID string, opts madmin.HealOpts) (h madmin.HealResultItem, e error) {
 	return h, NotImplemented{}

cmd/metacache-set.go

@@ -277,8 +277,10 @@ func getMetacacheBlockInfo(fi FileInfo, block int) (*metacacheBlock, error) {
 	return &tmp, json.Unmarshal([]byte(v), &tmp)
 }
 
+const metacachePrefix = ".metacache"
+
 func metacachePrefixForID(bucket, id string) string {
-	return pathJoin("buckets", bucket, ".metacache", id)
+	return pathJoin(bucketMetaPrefix, bucket, metacachePrefix, id)
 }
 
 // objectPath returns the object path of the cache.

cmd/object-api-interface.go

@@ -82,7 +82,6 @@ type ObjectLayer interface {
 	StorageInfo(ctx context.Context, local bool) (StorageInfo, []error) // local queries only local disks
 
 	// Bucket operations.
-	MakeMultipleBuckets(ctx context.Context, bucketInfo ...BucketInfo) error
 	MakeBucketWithLocation(ctx context.Context, bucket string, opts BucketOptions) error
 	GetBucketInfo(ctx context.Context, bucket string) (bucketInfo BucketInfo, err error)
 	ListBuckets(ctx context.Context) (buckets []BucketInfo, err error)
@@ -125,7 +124,6 @@ type ObjectLayer interface {
 	HealBucket(ctx context.Context, bucket string, opts madmin.HealOpts) (madmin.HealResultItem, error)
 	HealObject(ctx context.Context, bucket, object, versionID string, opts madmin.HealOpts) (madmin.HealResultItem, error)
 	HealObjects(ctx context.Context, bucket, prefix string, opts madmin.HealOpts, fn HealObjectFn) error
-	ListBucketsHeal(ctx context.Context) (buckets []BucketInfo, err error)
 
 	// Policy operations
 	SetBucketPolicy(context.Context, string, *policy.Policy) error

cmd/prepare-storage.go

@@ -125,6 +125,17 @@ func formatErasureCleanupTmpLocalEndpoints(endpoints Endpoints) error {
 					osErrToFileErr(err))
 			}
 
+			// Move .minio.sys/buckets/.minio.sys/metacache transient list cache
+			// folder to speed up startup routines.
+			tmpMetacacheOld := pathJoin(epPath, minioMetaTmpBucket+"-old", mustGetUUID())
+			if err := renameAll(pathJoin(epPath, minioMetaBucket, metacachePrefixForID(minioMetaBucket, "")),
+				tmpMetacacheOld); err != nil && err != errFileNotFound {
+				return fmt.Errorf("unable to rename (%s -> %s) %w",
+					pathJoin(epPath, minioMetaBucket+metacachePrefixForID(minioMetaBucket, "")),
+					tmpMetacacheOld,
+					osErrToFileErr(err))
+			}
+
 			// Removal of tmp-old folder is backgrounded completely.
 			go removeAll(pathJoin(epPath, minioMetaTmpBucket+"-old"))
 

cmd/server-main.go

@@ -310,7 +310,7 @@ func initAllSubsystems(ctx context.Context, newObject ObjectLayer) (err error) {
 	rquorum := InsufficientReadQuorum{}
 	wquorum := InsufficientWriteQuorum{}
 
-	buckets, err := newObject.ListBucketsHeal(ctx)
+	buckets, err := newObject.ListBuckets(ctx)
 	if err != nil {
 		return fmt.Errorf("Unable to list buckets to heal: %w", err)
 	}