storj/satellite/gc/gc_test.go

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// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package gc_test
import (
"context"
"errors"
"testing"
"time"
"github.com/stretchr/testify/require"
"go.uber.org/zap"
"go.uber.org/zap/zaptest"
"storj.io/common/base58"
"storj.io/common/encryption"
"storj.io/common/memory"
"storj.io/common/paths"
"storj.io/common/pb"
"storj.io/common/storj"
"storj.io/common/testcontext"
"storj.io/common/testrand"
"storj.io/storj/private/testplanet"
"storj.io/storj/satellite/gc/bloomfilter"
"storj.io/storj/satellite/metabase"
"storj.io/storj/satellite/metabase/rangedloop"
"storj.io/storj/storagenode"
"storj.io/storj/storagenode/blobstore"
"storj.io/uplink/private/eestream"
"storj.io/uplink/private/testuplink"
)
// TestGarbageCollection does the following:
// * Set up a network with one storagenode
// * Upload two objects
// * Delete one object from the metainfo service on the satellite
// * Do bloom filter generation
// * Send out bloom filters
// * Check that pieces of the deleted object are deleted on the storagenode
// * Check that pieces of the kept object are not deleted on the storagenode.
func TestGarbageCollection(t *testing.T) {
testplanet.Run(t, testplanet.Config{
SatelliteCount: 2, StorageNodeCount: 1, UplinkCount: 1,
Reconfigure: testplanet.Reconfigure{
StorageNode: func(index int, config *storagenode.Config) {
config.Retain.MaxTimeSkew = 0
},
},
}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
// Set satellite 1 to store bloom filters of satellite 0
access := planet.Uplinks[0].Access[planet.Satellites[1].NodeURL().ID]
accessString, err := access.Serialize()
require.NoError(t, err)
// configure sender
gcsender := planet.Satellites[0].GarbageCollection.Sender
gcsender.Config.AccessGrant = accessString
// configure filter uploader
config := planet.Satellites[0].Config.GarbageCollectionBF
config.AccessGrant = accessString
satellite := planet.Satellites[0]
upl := planet.Uplinks[0]
targetNode := planet.StorageNodes[0]
// Upload two objects
testData1 := testrand.Bytes(8 * memory.KiB)
testData2 := testrand.Bytes(8 * memory.KiB)
err = upl.Upload(ctx, satellite, "testbucket", "test/path/1", testData1)
require.NoError(t, err)
objectLocationToDelete, segmentToDelete := getSegment(ctx, t, satellite, upl, "testbucket", "test/path/1")
var deletedPieceID storj.PieceID
for _, p := range segmentToDelete.Pieces {
if p.StorageNode == targetNode.ID() {
deletedPieceID = segmentToDelete.RootPieceID.Derive(p.StorageNode, int32(p.Number))
break
}
}
require.NotZero(t, deletedPieceID)
err = upl.Upload(ctx, satellite, "testbucket", "test/path/2", testData2)
require.NoError(t, err)
_, segmentToKeep := getSegment(ctx, t, satellite, upl, "testbucket", "test/path/2")
var keptPieceID storj.PieceID
for _, p := range segmentToKeep.Pieces {
if p.StorageNode == targetNode.ID() {
keptPieceID = segmentToKeep.RootPieceID.Derive(p.StorageNode, int32(p.Number))
break
}
}
require.NotZero(t, keptPieceID)
// Delete one object from metainfo service on satellite
_, err = satellite.Metabase.DB.DeleteObjectExactVersion(ctx, metabase.DeleteObjectExactVersion{
ObjectLocation: objectLocationToDelete,
Version: metabase.DefaultVersion,
})
require.NoError(t, err)
// Check that piece of the deleted object is on the storagenode
pieceAccess, err := targetNode.DB.Pieces().Stat(ctx, blobstore.BlobRef{
Namespace: satellite.ID().Bytes(),
Key: deletedPieceID.Bytes(),
})
require.NoError(t, err)
require.NotNil(t, pieceAccess)
// The pieceInfo.GetPieceIDs query converts piece creation and the filter creation timestamps
// to datetime in sql. This chops off all precision beyond seconds.
// In this test, the amount of time that elapses between piece uploads and the gc loop might be
// less than a second, meaning datetime(piece_creation) < datetime(filter_creation) is false unless we sleep
// for a second.
time.Sleep(1 * time.Second)
// Wait for bloom filter observer to finish
rangedloopConfig := planet.Satellites[0].Config.RangedLoop
observer := bloomfilter.NewObserver(zaptest.NewLogger(t), config, planet.Satellites[0].Overlay.DB)
segments := rangedloop.NewMetabaseRangeSplitter(planet.Satellites[0].Metabase.DB, rangedloopConfig.AsOfSystemInterval, rangedloopConfig.BatchSize)
rangedLoop := rangedloop.NewService(zap.NewNop(), planet.Satellites[0].Config.RangedLoop, segments,
[]rangedloop.Observer{observer})
_, err = rangedLoop.RunOnce(ctx)
require.NoError(t, err)
// send to storagenode
err = gcsender.RunOnce(ctx)
require.NoError(t, err)
// Wait for the storagenode's RetainService queue to be empty
targetNode.Storage2.RetainService.TestWaitUntilEmpty()
// Check that piece of the deleted object is not on the storagenode
pieceAccess, err = targetNode.DB.Pieces().Stat(ctx, blobstore.BlobRef{
Namespace: satellite.ID().Bytes(),
Key: deletedPieceID.Bytes(),
})
require.Error(t, err)
require.Nil(t, pieceAccess)
// Check that piece of the kept object is on the storagenode
pieceAccess, err = targetNode.DB.Pieces().Stat(ctx, blobstore.BlobRef{
Namespace: satellite.ID().Bytes(),
Key: keptPieceID.Bytes(),
})
require.NoError(t, err)
require.NotNil(t, pieceAccess)
})
}
// TestGarbageCollectionWithCopies checkes that server-side copy elements are not
// affecting GC and nothing unexpected was deleted from storage nodes.
func TestGarbageCollectionWithCopies(t *testing.T) {
testplanet.Run(t, testplanet.Config{
SatelliteCount: 1, StorageNodeCount: 4, UplinkCount: 1,
Reconfigure: testplanet.Reconfigure{
Satellite: testplanet.ReconfigureRS(2, 3, 4, 4),
},
}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
satellite := planet.Satellites[0]
access := planet.Uplinks[0].Access[planet.Satellites[0].NodeURL().ID]
accessString, err := access.Serialize()
require.NoError(t, err)
gcsender := planet.Satellites[0].GarbageCollection.Sender
gcsender.Config.AccessGrant = accessString
// configure filter uploader
config := planet.Satellites[0].Config.GarbageCollectionBF
config.AccessGrant = accessString
project, err := planet.Uplinks[0].OpenProject(ctx, satellite)
require.NoError(t, err)
defer ctx.Check(project.Close)
allSpaceUsedForPieces := func() (all int64) {
for _, node := range planet.StorageNodes {
_, piecesContent, _, err := node.Storage2.Store.SpaceUsedTotalAndBySatellite(ctx)
require.NoError(t, err)
all += piecesContent
}
return all
}
expectedRemoteData := testrand.Bytes(8 * memory.KiB)
expectedInlineData := testrand.Bytes(1 * memory.KiB)
encryptedSize, err := encryption.CalcEncryptedSize(int64(len(expectedRemoteData)), storj.EncryptionParameters{
CipherSuite: storj.EncAESGCM,
BlockSize: 29 * 256 * memory.B.Int32(), // hardcoded value from uplink
})
require.NoError(t, err)
redundancyStrategy, err := planet.Satellites[0].Config.Metainfo.RS.RedundancyStrategy()
require.NoError(t, err)
pieceSize := eestream.CalcPieceSize(encryptedSize, redundancyStrategy.ErasureScheme)
singleRemoteUsed := pieceSize * int64(len(planet.StorageNodes))
totalUsedByNodes := 2 * singleRemoteUsed // two remote objects
require.NoError(t, planet.Uplinks[0].Upload(ctx, satellite, "testbucket", "remote", expectedRemoteData))
require.NoError(t, planet.Uplinks[0].Upload(ctx, satellite, "testbucket", "inline", expectedInlineData))
require.NoError(t, planet.Uplinks[0].Upload(ctx, satellite, "testbucket", "remote-no-copy", expectedRemoteData))
_, err = project.CopyObject(ctx, "testbucket", "remote", "testbucket", "remote-copy", nil)
require.NoError(t, err)
_, err = project.CopyObject(ctx, "testbucket", "inline", "testbucket", "inline-copy", nil)
require.NoError(t, err)
require.NoError(t, planet.WaitForStorageNodeEndpoints(ctx))
afterTotalUsedByNodes := allSpaceUsedForPieces()
require.Equal(t, totalUsedByNodes, afterTotalUsedByNodes)
// Wait for bloom filter observer to finish
rangedloopConfig := planet.Satellites[0].Config.RangedLoop
observer := bloomfilter.NewObserver(zaptest.NewLogger(t), config, planet.Satellites[0].Overlay.DB)
segments := rangedloop.NewMetabaseRangeSplitter(planet.Satellites[0].Metabase.DB, rangedloopConfig.AsOfSystemInterval, rangedloopConfig.BatchSize)
rangedLoop := rangedloop.NewService(zap.NewNop(), planet.Satellites[0].Config.RangedLoop, segments,
[]rangedloop.Observer{observer})
_, err = rangedLoop.RunOnce(ctx)
require.NoError(t, err)
// send to storagenode
err = gcsender.RunOnce(ctx)
require.NoError(t, err)
for _, node := range planet.StorageNodes {
node.Storage2.RetainService.TestWaitUntilEmpty()
}
// we should see all space used by all objects
afterTotalUsedByNodes = allSpaceUsedForPieces()
require.Equal(t, totalUsedByNodes, afterTotalUsedByNodes)
for _, toDelete := range []string{
// delete ancestors, no change in used space
"remote",
"inline",
// delete object without copy, used space should be decreased
"remote-no-copy",
} {
_, err = project.DeleteObject(ctx, "testbucket", toDelete)
require.NoError(t, err)
}
planet.WaitForStorageNodeDeleters(ctx)
// run GC
_, err = rangedLoop.RunOnce(ctx)
require.NoError(t, err)
// send to storagenode
err = gcsender.RunOnce(ctx)
require.NoError(t, err)
for _, node := range planet.StorageNodes {
node.Storage2.RetainService.TestWaitUntilEmpty()
}
// verify that we deleted only pieces for "remote-no-copy" object
afterTotalUsedByNodes = allSpaceUsedForPieces()
require.Equal(t, totalUsedByNodes, afterTotalUsedByNodes)
// delete rest of objects to verify that everything will be removed also from SNs
for _, toDelete := range []string{
"remote-copy",
"inline-copy",
} {
_, err = project.DeleteObject(ctx, "testbucket", toDelete)
require.NoError(t, err)
}
planet.WaitForStorageNodeDeleters(ctx)
// run GC
_, err = rangedLoop.RunOnce(ctx)
require.NoError(t, err)
// send to storagenode
err = gcsender.RunOnce(ctx)
require.NoError(t, err)
for _, node := range planet.StorageNodes {
node.Storage2.RetainService.TestWaitUntilEmpty()
}
// verify that nothing more was deleted from storage nodes after GC
afterTotalUsedByNodes = allSpaceUsedForPieces()
require.EqualValues(t, totalUsedByNodes, afterTotalUsedByNodes)
})
}
func getSegment(ctx *testcontext.Context, t *testing.T, satellite *testplanet.Satellite, upl *testplanet.Uplink, bucket, path string) (_ metabase.ObjectLocation, _ metabase.Segment) {
access := upl.Access[satellite.ID()]
serializedAccess, err := access.Serialize()
require.NoError(t, err)
store, err := encryptionAccess(serializedAccess)
require.NoError(t, err)
encryptedPath, err := encryption.EncryptPathWithStoreCipher(bucket, paths.NewUnencrypted(path), store)
require.NoError(t, err)
objectLocation :=
metabase.ObjectLocation{
ProjectID: upl.Projects[0].ID,
BucketName: "testbucket",
ObjectKey: metabase.ObjectKey(encryptedPath.Raw()),
}
lastSegment, err := satellite.Metabase.DB.GetLatestObjectLastSegment(ctx, metabase.GetLatestObjectLastSegment{
ObjectLocation: objectLocation,
})
require.NoError(t, err)
return objectLocation, lastSegment
}
func encryptionAccess(access string) (*encryption.Store, error) {
data, version, err := base58.CheckDecode(access)
if err != nil || version != 0 {
return nil, errors.New("invalid access grant format")
}
p := new(pb.Scope)
if err := pb.Unmarshal(data, p); err != nil {
return nil, err
}
key, err := storj.NewKey(p.EncryptionAccess.DefaultKey)
if err != nil {
return nil, err
}
store := encryption.NewStore()
store.SetDefaultKey(key)
store.SetDefaultPathCipher(storj.EncAESGCM)
return store, nil
}
// TestGarbageCollection_PendingObject verifies that segments from pending objects
// are also processed by GC piece tracker.
func TestGarbageCollection_PendingObject(t *testing.T) {
testplanet.Run(t, testplanet.Config{
SatelliteCount: 1, StorageNodeCount: 1, UplinkCount: 1,
}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
access := planet.Uplinks[0].Access[planet.Satellites[0].ID()]
accessString, err := access.Serialize()
require.NoError(t, err)
satellite := planet.Satellites[0]
upl := planet.Uplinks[0]
testData := testrand.Bytes(15 * memory.KiB)
pendingStreamID := startMultipartUpload(ctx, t, upl, satellite, "testbucket", "multi", testData)
segments, err := satellite.Metabase.DB.TestingAllSegments(ctx)
require.NoError(t, err)
require.Len(t, segments, 1)
config := planet.Satellites[0].Config.GarbageCollectionBF
config.AccessGrant = accessString
config.Bucket = "bucket"
config.FalsePositiveRate = 0.000000001
config.InitialPieces = 10
observer := bloomfilter.NewObserver(satellite.Log.Named("gc observer"), config, satellite.Overlay.DB)
rangedloopConfig := planet.Satellites[0].Config.RangedLoop
provider := rangedloop.NewMetabaseRangeSplitter(planet.Satellites[0].Metabase.DB, rangedloopConfig.AsOfSystemInterval, rangedloopConfig.BatchSize)
rangedLoop := rangedloop.NewService(zap.NewNop(), planet.Satellites[0].Config.RangedLoop, provider,
[]rangedloop.Observer{observer})
_, err = rangedLoop.RunOnce(ctx)
require.NoError(t, err)
require.NotEmpty(t, observer.TestingRetainInfos())
info := observer.TestingRetainInfos()[planet.StorageNodes[0].ID()]
require.NotNil(t, info)
require.Equal(t, 1, info.Count)
completeMultipartUpload(ctx, t, upl, satellite, "testbucket", "multi", pendingStreamID)
gotData, err := upl.Download(ctx, satellite, "testbucket", "multi")
require.NoError(t, err)
require.Equal(t, testData, gotData)
})
}
func startMultipartUpload(ctx context.Context, t *testing.T, uplink *testplanet.Uplink, satellite *testplanet.Satellite, bucketName string, path storj.Path, data []byte) string {
_, found := testuplink.GetMaxSegmentSize(ctx)
if !found {
ctx = testuplink.WithMaxSegmentSize(ctx, satellite.Config.Metainfo.MaxSegmentSize)
}
project, err := uplink.GetProject(ctx, satellite)
require.NoError(t, err)
defer func() { require.NoError(t, project.Close()) }()
_, err = project.EnsureBucket(ctx, bucketName)
require.NoError(t, err)
info, err := project.BeginUpload(ctx, bucketName, path, nil)
require.NoError(t, err)
upload, err := project.UploadPart(ctx, bucketName, path, info.UploadID, 1)
require.NoError(t, err)
_, err = upload.Write(data)
require.NoError(t, err)
require.NoError(t, upload.Commit())
return info.UploadID
}
func completeMultipartUpload(ctx context.Context, t *testing.T, uplink *testplanet.Uplink, satellite *testplanet.Satellite, bucketName string, path storj.Path, streamID string) {
_, found := testuplink.GetMaxSegmentSize(ctx)
if !found {
ctx = testuplink.WithMaxSegmentSize(ctx, satellite.Config.Metainfo.MaxSegmentSize)
}
project, err := uplink.GetProject(ctx, satellite)
require.NoError(t, err)
defer func() { require.NoError(t, project.Close()) }()
_, err = project.CommitUpload(ctx, bucketName, path, streamID, nil)
require.NoError(t, err)
}