storj/satellite/repair/checker/checker_test.go
Michał Niewrzał a93e47514a satellite: remove irreparabledb
This is part of metaloop refactoring. We plan to remove
irreparable at some point but there was not time for it.
Now instead refatoring it for segmentloop its just easier
to drop it.

Later we still need to drop table with migration step.

Change-Id: I270e77f119273d39a1ecdcf5e1c37a5662a29ab4
2021-06-17 07:20:15 +00:00

336 lines
10 KiB
Go

// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package checker_test
import (
"bytes"
"context"
"fmt"
"testing"
"time"
"github.com/stretchr/testify/require"
"storj.io/common/storj"
"storj.io/common/testcontext"
"storj.io/common/testrand"
"storj.io/storj/private/testplanet"
"storj.io/storj/satellite/metabase"
)
func TestIdentifyInjuredSegments(t *testing.T) {
testplanet.Run(t, testplanet.Config{
SatelliteCount: 1, StorageNodeCount: 4, UplinkCount: 1,
}, 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 := storj.RedundancyScheme{
RequiredShares: 2,
RepairShares: 3,
OptimalShares: 4,
TotalShares: 5,
ShareSize: 256,
}
projectID := planet.Uplinks[0].Projects[0].ID
err := planet.Uplinks[0].CreateBucket(ctx, planet.Satellites[0], "test-bucket")
require.NoError(t, err)
expectedLocation := metabase.SegmentLocation{
ProjectID: projectID,
BucketName: "test-bucket",
}
// add some valid pointers
for x := 0; x < 10; x++ {
expectedLocation.ObjectKey = metabase.ObjectKey(fmt.Sprintf("a-%d", x))
insertSegment(ctx, t, planet, rs, expectedLocation, createPieces(planet, rs), time.Time{})
}
// add pointer that needs repair
expectedLocation.ObjectKey = metabase.ObjectKey("b-0")
insertSegment(ctx, t, planet, rs, expectedLocation, createLostPieces(planet, rs), time.Time{})
// add pointer that is unhealthy, but is expired
expectedLocation.ObjectKey = metabase.ObjectKey("b-1")
insertSegment(ctx, t, planet, rs, expectedLocation, createLostPieces(planet, rs), time.Now().Add(-time.Hour))
// add some valid pointers
for x := 0; x < 10; x++ {
expectedLocation.ObjectKey = metabase.ObjectKey(fmt.Sprintf("c-%d", x))
insertSegment(ctx, t, planet, rs, expectedLocation, createPieces(planet, rs), time.Time{})
}
checker.Loop.TriggerWait()
// check that the unhealthy, non-expired segment was added to the queue
// and that the expired segment was ignored
injuredSegment, err := repairQueue.Select(ctx)
require.NoError(t, err)
err = repairQueue.Delete(ctx, injuredSegment)
require.NoError(t, err)
expectedLocation.ObjectKey = "b-0"
require.Equal(t, string(expectedLocation.Encode()), string(injuredSegment.Path))
require.Equal(t, int(rs.OptimalShares-rs.RequiredShares), len(injuredSegment.LostPieces))
for _, lostPiece := range injuredSegment.LostPieces {
require.True(t, int32(rs.RequiredShares) <= lostPiece && lostPiece < int32(rs.OptimalShares), 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: 1,
}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
checker := planet.Satellites[0].Repair.Checker
checker.Loop.Stop()
const numberOfNodes = 10
pieces := make(metabase.Pieces, 0, numberOfNodes)
// use online nodes
for i, storagenode := range planet.StorageNodes {
pieces = append(pieces, metabase.Piece{
Number: uint16(i),
StorageNode: storagenode.ID(),
})
}
// simulate offline nodes
expectedLostPieces := make(map[int32]bool)
for i := len(pieces); i < numberOfNodes; i++ {
pieces = append(pieces, metabase.Piece{
Number: uint16(i),
StorageNode: storj.NodeID{byte(i)},
})
expectedLostPieces[int32(i)] = true
}
rs := storj.RedundancyScheme{
ShareSize: 256,
RequiredShares: 4,
RepairShares: 8,
OptimalShares: 9,
TotalShares: 10,
}
projectID := planet.Uplinks[0].Projects[0].ID
err := planet.Uplinks[0].CreateBucket(ctx, planet.Satellites[0], "test-bucket")
require.NoError(t, err)
expectedLocation := metabase.SegmentLocation{
ProjectID: projectID,
BucketName: "test-bucket",
}
// when number of healthy piece is less than minimum required number of piece in redundancy,
// the piece is considered irreparable but also will be put into repair queue
expectedLocation.ObjectKey = "piece"
insertSegment(ctx, t, planet, rs, expectedLocation, pieces, time.Time{})
expectedLocation.ObjectKey = "piece-expired"
insertSegment(ctx, t, planet, rs, expectedLocation, pieces, time.Now().Add(-time.Hour))
err = checker.IdentifyInjuredSegments(ctx)
require.NoError(t, err)
// check that single irreparable segment was added repair queue
repairQueue := planet.Satellites[0].DB.RepairQueue()
_, err = repairQueue.Select(ctx)
require.NoError(t, err)
count, err := repairQueue.Count(ctx)
require.NoError(t, err)
require.Equal(t, 1, count)
// check irreparable once again but wait a second
time.Sleep(1 * time.Second)
err = checker.IdentifyInjuredSegments(ctx)
require.NoError(t, err)
expectedLocation.ObjectKey = "piece"
_, err = planet.Satellites[0].Metainfo.Metabase.DeleteObjectLatestVersion(ctx, metabase.DeleteObjectLatestVersion{
ObjectLocation: expectedLocation.Object(),
})
require.NoError(t, err)
err = checker.IdentifyInjuredSegments(ctx)
require.NoError(t, err)
count, err = repairQueue.Count(ctx)
require.NoError(t, err)
require.Equal(t, 0, count)
})
}
func TestCleanRepairQueue(t *testing.T) {
testplanet.Run(t, testplanet.Config{
SatelliteCount: 1, StorageNodeCount: 4, UplinkCount: 1,
}, 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 := storj.RedundancyScheme{
RequiredShares: 2,
RepairShares: 3,
OptimalShares: 4,
TotalShares: 5,
ShareSize: 256,
}
projectID := planet.Uplinks[0].Projects[0].ID
err := planet.Uplinks[0].CreateBucket(ctx, planet.Satellites[0], "test-bucket")
require.NoError(t, err)
expectedLocation := metabase.SegmentLocation{
ProjectID: projectID,
BucketName: "test-bucket",
}
healthyCount := 5
for i := 0; i < healthyCount; i++ {
expectedLocation.ObjectKey = metabase.ObjectKey(fmt.Sprintf("healthy-%d", i))
insertSegment(ctx, t, planet, rs, expectedLocation, createPieces(planet, rs), time.Time{})
}
unhealthyCount := 5
for i := 0; i < unhealthyCount; i++ {
expectedLocation.ObjectKey = metabase.ObjectKey(fmt.Sprintf("unhealthy-%d", i))
insertSegment(ctx, t, planet, rs, expectedLocation, createLostPieces(planet, rs), time.Time{})
}
// suspend enough nodes to make healthy pointers unhealthy
for i := rs.RequiredShares; i < rs.OptimalShares; i++ {
require.NoError(t, planet.Satellites[0].Overlay.DB.SuspendNodeUnknownAudit(ctx, planet.StorageNodes[i].ID(), time.Now()))
}
require.NoError(t, planet.Satellites[0].Repair.Checker.RefreshReliabilityCache(ctx))
// check that repair queue is empty to avoid false positive
count, err := repairQueue.Count(ctx)
require.NoError(t, err)
require.Equal(t, 0, count)
checker.Loop.TriggerWait()
// check that the pointers were put into the repair queue
// and not cleaned up at the end of the checker iteration
count, err = repairQueue.Count(ctx)
require.NoError(t, err)
require.Equal(t, healthyCount+unhealthyCount, count)
// unsuspend nodes to make the previously healthy pointers healthy again
for i := rs.RequiredShares; i < rs.OptimalShares; i++ {
require.NoError(t, planet.Satellites[0].Overlay.DB.UnsuspendNodeUnknownAudit(ctx, planet.StorageNodes[i].ID()))
}
require.NoError(t, planet.Satellites[0].Repair.Checker.RefreshReliabilityCache(ctx))
// The checker will not insert/update the now healthy segments causing
// them to be removed from the queue at the end of the checker iteration
checker.Loop.TriggerWait()
// only unhealthy segments should remain
count, err = repairQueue.Count(ctx)
require.NoError(t, err)
require.Equal(t, unhealthyCount, count)
segs, err := repairQueue.SelectN(ctx, count)
require.NoError(t, err)
for _, s := range segs {
require.True(t, bytes.Contains(s.GetPath(), []byte("unhealthy")))
}
})
}
func createPieces(planet *testplanet.Planet, rs storj.RedundancyScheme) metabase.Pieces {
pieces := make(metabase.Pieces, rs.OptimalShares)
for i := range pieces {
pieces[i] = metabase.Piece{
Number: uint16(i),
StorageNode: planet.StorageNodes[i].Identity.ID,
}
}
return pieces
}
func createLostPieces(planet *testplanet.Planet, rs storj.RedundancyScheme) metabase.Pieces {
pieces := make(metabase.Pieces, rs.OptimalShares)
for i := range pieces[:rs.RequiredShares] {
pieces[i] = metabase.Piece{
Number: uint16(i),
StorageNode: planet.StorageNodes[i].Identity.ID,
}
}
for i := rs.RequiredShares; i < rs.OptimalShares; i++ {
pieces[i] = metabase.Piece{
Number: uint16(i),
StorageNode: storj.NodeID{byte(0xFF)},
}
}
return pieces
}
func insertSegment(ctx context.Context, t *testing.T, planet *testplanet.Planet, rs storj.RedundancyScheme, location metabase.SegmentLocation, pieces metabase.Pieces, expire time.Time) {
var expiresAt *time.Time
if !expire.IsZero() {
expiresAt = &expire
}
metabaseDB := planet.Satellites[0].Metainfo.Metabase
obj := metabase.ObjectStream{
ProjectID: location.ProjectID,
BucketName: location.BucketName,
ObjectKey: location.ObjectKey,
Version: 1,
StreamID: testrand.UUID(),
}
_, err := metabaseDB.BeginObjectExactVersion(ctx, metabase.BeginObjectExactVersion{
ObjectStream: obj,
Encryption: storj.EncryptionParameters{
CipherSuite: storj.EncAESGCM,
BlockSize: 256,
},
ExpiresAt: expiresAt,
})
require.NoError(t, err)
rootPieceID := testrand.PieceID()
err = metabaseDB.BeginSegment(ctx, metabase.BeginSegment{
ObjectStream: obj,
RootPieceID: rootPieceID,
Pieces: pieces,
})
require.NoError(t, err)
err = metabaseDB.CommitSegment(ctx, metabase.CommitSegment{
ObjectStream: obj,
RootPieceID: rootPieceID,
Pieces: pieces,
EncryptedKey: testrand.Bytes(256),
EncryptedKeyNonce: testrand.Bytes(256),
PlainSize: 1,
EncryptedSize: 1,
Redundancy: rs,
})
require.NoError(t, err)
_, err = metabaseDB.CommitObject(ctx, metabase.CommitObject{
ObjectStream: obj,
})
require.NoError(t, err)
}