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