storj/satellite/repair/checker/checker_test.go
Egon Elbre 6615ecc9b6 common: separate repository
Change-Id: Ibb89c42060450e3839481a7e495bbe3ad940610a
2019-12-27 14:11:15 +02:00

229 lines
6.7 KiB
Go

// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package checker_test
import (
"context"
"fmt"
"testing"
"time"
"github.com/stretchr/testify/require"
"storj.io/common/pb"
"storj.io/common/storj"
"storj.io/common/testcontext"
"storj.io/common/testrand"
"storj.io/storj/private/testplanet"
"storj.io/storj/storage"
)
func TestIdentifyInjuredSegments(t *testing.T) {
testplanet.Run(t, testplanet.Config{
SatelliteCount: 1, StorageNodeCount: 4, UplinkCount: 0,
}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
checker := planet.Satellites[0].Repair.Checker
repairQueue := planet.Satellites[0].DB.RepairQueue()
checker.Loop.Pause()
planet.Satellites[0].Repair.Repairer.Loop.Pause()
rs := &pb.RedundancyScheme{
MinReq: int32(2),
RepairThreshold: int32(3),
SuccessThreshold: int32(4),
Total: int32(5),
ErasureShareSize: int32(256),
}
projectID := testrand.UUID()
pointerPathPrefix := storj.JoinPaths(projectID.String(), "l", "bucket") + "/"
// add some valid pointers
for x := 0; x < 10; x++ {
insertPointer(ctx, t, planet, rs, pointerPathPrefix+fmt.Sprintf("a-%d", x), false)
}
// add pointer that needs repair
insertPointer(ctx, t, planet, rs, pointerPathPrefix+"b", true)
// add some valid pointers
for x := 0; x < 10; x++ {
insertPointer(ctx, t, planet, rs, pointerPathPrefix+fmt.Sprintf("c-%d", x), false)
}
checker.Loop.TriggerWait()
//check if the expected segments were added to the queue
injuredSegment, err := repairQueue.Select(ctx)
require.NoError(t, err)
err = repairQueue.Delete(ctx, injuredSegment)
require.NoError(t, err)
require.Equal(t, []byte(pointerPathPrefix+"b"), injuredSegment.Path)
require.Equal(t, int(rs.SuccessThreshold-rs.MinReq), len(injuredSegment.LostPieces))
for _, lostPiece := range injuredSegment.LostPieces {
require.True(t, rs.MinReq <= lostPiece && lostPiece < rs.SuccessThreshold, fmt.Sprintf("%v", lostPiece))
}
_, err = repairQueue.Select(ctx)
require.Error(t, err)
})
}
func TestIdentifyIrreparableSegments(t *testing.T) {
testplanet.Run(t, testplanet.Config{
SatelliteCount: 1, StorageNodeCount: 3, UplinkCount: 0,
}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
checker := planet.Satellites[0].Repair.Checker
checker.Loop.Stop()
checker.IrreparableLoop.Stop()
const numberOfNodes = 10
pieces := make([]*pb.RemotePiece, 0, numberOfNodes)
// use online nodes
for i, storagenode := range planet.StorageNodes {
pieces = append(pieces, &pb.RemotePiece{
PieceNum: int32(i),
NodeId: storagenode.ID(),
})
}
// simulate offline nodes
expectedLostPieces := make(map[int32]bool)
for i := len(pieces); i < numberOfNodes; i++ {
pieces = append(pieces, &pb.RemotePiece{
PieceNum: int32(i),
NodeId: storj.NodeID{byte(i)},
})
expectedLostPieces[int32(i)] = true
}
projectID := testrand.UUID()
pointerPath := storj.JoinPaths(projectID.String(), "l", "bucket", "piece")
pieceID := testrand.PieceID()
// when number of healthy piece is less than minimum required number of piece in redundancy,
// the piece is considered irreparable and will be put into irreparable DB
pointer := &pb.Pointer{
Type: pb.Pointer_REMOTE,
CreationDate: time.Now(),
Remote: &pb.RemoteSegment{
Redundancy: &pb.RedundancyScheme{
ErasureShareSize: int32(256),
MinReq: int32(4),
RepairThreshold: int32(8),
SuccessThreshold: int32(9),
Total: int32(10),
},
RootPieceId: pieceID,
RemotePieces: pieces,
},
}
// put test pointer to db
metainfo := planet.Satellites[0].Metainfo.Service
err := metainfo.Put(ctx, pointerPath, pointer)
require.NoError(t, err)
err = checker.IdentifyInjuredSegments(ctx)
require.NoError(t, err)
// check if nothing was added to repair queue
repairQueue := planet.Satellites[0].DB.RepairQueue()
_, err = repairQueue.Select(ctx)
require.True(t, storage.ErrEmptyQueue.Has(err))
//check if the expected segments were added to the irreparable DB
irreparable := planet.Satellites[0].DB.Irreparable()
remoteSegmentInfo, err := irreparable.Get(ctx, []byte(pointerPath))
require.NoError(t, err)
require.Equal(t, len(expectedLostPieces), int(remoteSegmentInfo.LostPieces))
require.Equal(t, 1, int(remoteSegmentInfo.RepairAttemptCount))
firstRepair := remoteSegmentInfo.LastRepairAttempt
// check irreparable once again but wait a second
time.Sleep(1 * time.Second)
err = checker.IdentifyInjuredSegments(ctx)
require.NoError(t, err)
remoteSegmentInfo, err = irreparable.Get(ctx, []byte(pointerPath))
require.NoError(t, err)
require.Equal(t, len(expectedLostPieces), int(remoteSegmentInfo.LostPieces))
// check if repair attempt count was incremented
require.Equal(t, 2, int(remoteSegmentInfo.RepairAttemptCount))
require.True(t, firstRepair < remoteSegmentInfo.LastRepairAttempt)
// make the pointer repairable
pointer = &pb.Pointer{
Type: pb.Pointer_REMOTE,
CreationDate: time.Now(),
Remote: &pb.RemoteSegment{
Redundancy: &pb.RedundancyScheme{
ErasureShareSize: int32(256),
MinReq: int32(2),
RepairThreshold: int32(8),
SuccessThreshold: int32(9),
Total: int32(10),
},
RootPieceId: pieceID,
RemotePieces: pieces,
},
}
// update test pointer in db
err = metainfo.UnsynchronizedDelete(ctx, pointerPath)
require.NoError(t, err)
err = metainfo.Put(ctx, pointerPath, pointer)
require.NoError(t, err)
err = checker.IdentifyInjuredSegments(ctx)
require.NoError(t, err)
_, err = irreparable.Get(ctx, []byte(pointerPath))
require.Error(t, err)
})
}
func insertPointer(ctx context.Context, t *testing.T, planet *testplanet.Planet, rs *pb.RedundancyScheme, pointerPath string, createLost bool) {
pieces := make([]*pb.RemotePiece, rs.SuccessThreshold)
if !createLost {
for i := range pieces {
pieces[i] = &pb.RemotePiece{
PieceNum: int32(i),
NodeId: planet.StorageNodes[i].Identity.ID,
}
}
} else {
for i := range pieces[:rs.MinReq] {
pieces[i] = &pb.RemotePiece{
PieceNum: int32(i),
NodeId: planet.StorageNodes[i].Identity.ID,
}
}
for i := rs.MinReq; i < rs.SuccessThreshold; i++ {
pieces[i] = &pb.RemotePiece{
PieceNum: i,
NodeId: storj.NodeID{byte(0xFF)},
}
}
}
pointer := &pb.Pointer{
Type: pb.Pointer_REMOTE,
CreationDate: time.Now(),
Remote: &pb.RemoteSegment{
Redundancy: rs,
RootPieceId: testrand.PieceID(),
RemotePieces: pieces,
},
}
// put test pointer to db
pointerdb := planet.Satellites[0].Metainfo.Service
err := pointerdb.Put(ctx, pointerPath, pointer)
require.NoError(t, err)
}