0c025fa937
We don't use reverse listing in any of our code, outside of tests, and it is only exposed through libuplink in the lib/uplink.(*Project).ListBuckets() API. We also don't know of any users who might have a need for reverse listing through ListBuckets(). Since one of our prospective pointerdb backends can not support backwards iteration, and because of the above considerations, we are going to remove the reverse listing feature. Change-Id: I8d2a1f33d01ee70b79918d584b8c671f57eef2a0
1111 lines
37 KiB
Go
1111 lines
37 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package repair_test
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import (
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"context"
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"io"
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"math"
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"testing"
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"github.com/stretchr/testify/require"
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"go.uber.org/zap"
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"storj.io/storj/internal/memory"
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"storj.io/storj/internal/testcontext"
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"storj.io/storj/internal/testplanet"
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"storj.io/storj/internal/testrand"
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"storj.io/storj/pkg/pb"
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"storj.io/storj/pkg/storj"
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"storj.io/storj/satellite"
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"storj.io/storj/satellite/overlay"
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"storj.io/storj/storage"
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"storj.io/storj/storagenode"
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"storj.io/storj/uplink"
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)
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// TestDataRepair does the following:
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// - Uploads test data
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// - Kills some nodes and disqualifies 1
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// - Triggers data repair, which repairs the data from the remaining nodes to
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// the numbers of nodes determined by the upload repair max threshold
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// - Shuts down several nodes, but keeping up a number equal to the minim
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// threshold
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// - Downloads the data from those left nodes and check that it's the same than
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// the uploaded one
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func TestDataRepair(t *testing.T) {
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const RepairMaxExcessRateOptimalThreshold = 0.05
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testplanet.Run(t, testplanet.Config{
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SatelliteCount: 1,
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StorageNodeCount: 14,
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UplinkCount: 1,
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Reconfigure: testplanet.Reconfigure{
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Satellite: func(log *zap.Logger, index int, config *satellite.Config) {
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config.Overlay.Node.OnlineWindow = 0
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config.Repairer.MaxExcessRateOptimalThreshold = RepairMaxExcessRateOptimalThreshold
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},
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},
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}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
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// first, upload some remote data
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uplinkPeer := planet.Uplinks[0]
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satellite := planet.Satellites[0]
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// stop audit to prevent possible interactions i.e. repair timeout problems
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satellite.Audit.Worker.Loop.Pause()
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satellite.Repair.Checker.Loop.Pause()
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satellite.Repair.Repairer.Loop.Pause()
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var (
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testData = testrand.Bytes(8 * memory.KiB)
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minThreshold = 3
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successThreshold = 7
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)
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err := uplinkPeer.UploadWithConfig(ctx, satellite, &uplink.RSConfig{
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MinThreshold: minThreshold,
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RepairThreshold: 5,
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SuccessThreshold: successThreshold,
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MaxThreshold: 9,
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}, "testbucket", "test/path", testData)
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require.NoError(t, err)
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pointer, path := getRemoteSegment(t, ctx, satellite)
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// calculate how many storagenodes to kill
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redundancy := pointer.GetRemote().GetRedundancy()
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minReq := redundancy.GetMinReq()
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remotePieces := pointer.GetRemote().GetRemotePieces()
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numPieces := len(remotePieces)
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// disqualify one storage node
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toDisqualify := 1
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toKill := numPieces - toDisqualify - int(minReq)
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require.True(t, toKill >= 1)
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maxNumRepairedPieces := int(
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math.Ceil(
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float64(successThreshold) * (1 + RepairMaxExcessRateOptimalThreshold),
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),
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)
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numStorageNodes := len(planet.StorageNodes)
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// Ensure that there are enough storage nodes to upload repaired segments
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require.Falsef(t,
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(numStorageNodes-toKill-toDisqualify) < maxNumRepairedPieces,
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"there is not enough available nodes for repairing: need= %d, have= %d",
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maxNumRepairedPieces, numStorageNodes-toKill-toDisqualify,
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)
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// kill nodes and track lost pieces
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nodesToKill := make(map[storj.NodeID]bool)
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nodesToDisqualify := make(map[storj.NodeID]bool)
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nodesToKeepAlive := make(map[storj.NodeID]bool)
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var numDisqualified int
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for i, piece := range remotePieces {
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if i >= toKill {
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if numDisqualified < toDisqualify {
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nodesToDisqualify[piece.NodeId] = true
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numDisqualified++
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}
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nodesToKeepAlive[piece.NodeId] = true
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continue
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}
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nodesToKill[piece.NodeId] = true
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}
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for _, node := range planet.StorageNodes {
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if nodesToDisqualify[node.ID()] {
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disqualifyNode(t, ctx, satellite, node.ID())
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continue
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}
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if nodesToKill[node.ID()] {
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err = planet.StopPeer(node)
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require.NoError(t, err)
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_, err = satellite.Overlay.Service.UpdateUptime(ctx, node.ID(), false)
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require.NoError(t, err)
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}
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}
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satellite.Repair.Checker.Loop.Restart()
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satellite.Repair.Checker.Loop.TriggerWait()
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satellite.Repair.Checker.Loop.Pause()
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satellite.Repair.Repairer.Loop.Restart()
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satellite.Repair.Repairer.Loop.TriggerWait()
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satellite.Repair.Repairer.Loop.Pause()
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satellite.Repair.Repairer.Limiter.Wait()
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// repaired segment should not contain any piece in the killed and DQ nodes
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metainfoService := satellite.Metainfo.Service
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pointer, err = metainfoService.Get(ctx, path)
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require.NoError(t, err)
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nodesToKillForMinThreshold := len(remotePieces) - minThreshold
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remotePieces = pointer.GetRemote().GetRemotePieces()
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for _, piece := range remotePieces {
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require.NotContains(t, nodesToKill, piece.NodeId, "there shouldn't be pieces in killed nodes")
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require.NotContains(t, nodesToDisqualify, piece.NodeId, "there shouldn't be pieces in DQ nodes")
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require.Nil(t, piece.Hash, "piece hashes should be set to nil")
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// Kill the original nodes which were kept alive to ensure that we can
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// download from the new nodes that the repaired pieces have been uploaded
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if _, ok := nodesToKeepAlive[piece.NodeId]; ok && nodesToKillForMinThreshold > 0 {
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stopNodeByID(t, ctx, planet, piece.NodeId)
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nodesToKillForMinThreshold--
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}
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}
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// we should be able to download data without any of the original nodes
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newData, err := uplinkPeer.Download(ctx, satellite, "testbucket", "test/path")
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require.NoError(t, err)
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require.Equal(t, newData, testData)
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})
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}
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// TestCorruptDataRepair_Failed does the following:
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// - Uploads test data
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// - Kills all but the minimum number of nodes carrying the uploaded segment
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// - On one of the remaining nodes, corrupt the piece data being stored by that node
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// - Triggers data repair, which attempts to repair the data from the remaining nodes to
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// the numbers of nodes determined by the upload repair max threshold
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// - Expects that the repair failed and the pointer was not updated
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func TestCorruptDataRepair_Failed(t *testing.T) {
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const RepairMaxExcessRateOptimalThreshold = 0.05
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testplanet.Run(t, testplanet.Config{
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SatelliteCount: 1,
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StorageNodeCount: 14,
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UplinkCount: 1,
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Reconfigure: testplanet.Reconfigure{
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Satellite: func(log *zap.Logger, index int, config *satellite.Config) {
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config.Overlay.Node.OnlineWindow = 0
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config.Repairer.MaxExcessRateOptimalThreshold = RepairMaxExcessRateOptimalThreshold
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},
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},
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}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
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uplinkPeer := planet.Uplinks[0]
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satellite := planet.Satellites[0]
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// stop audit to prevent possible interactions i.e. repair timeout problems
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satellite.Audit.Worker.Loop.Pause()
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satellite.Repair.Checker.Loop.Pause()
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satellite.Repair.Repairer.Loop.Pause()
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var testData = testrand.Bytes(8 * memory.KiB)
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// first, upload some remote data
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err := uplinkPeer.UploadWithConfig(ctx, satellite, &uplink.RSConfig{
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MinThreshold: 3,
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RepairThreshold: 5,
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SuccessThreshold: 7,
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MaxThreshold: 9,
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}, "testbucket", "test/path", testData)
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require.NoError(t, err)
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pointer, path := getRemoteSegment(t, ctx, satellite)
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// calculate how many storagenodes to kill
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redundancy := pointer.GetRemote().GetRedundancy()
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minReq := redundancy.GetMinReq()
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remotePieces := pointer.GetRemote().GetRemotePieces()
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numPieces := len(remotePieces)
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toKill := numPieces - int(minReq)
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require.True(t, toKill >= 1)
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// kill nodes and track lost pieces
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nodesToKill := make(map[storj.NodeID]bool)
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originalNodes := make(map[storj.NodeID]bool)
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var corruptedNode *storagenode.Peer
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var corruptedNodeID storj.NodeID
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var corruptedPieceID storj.PieceID
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for i, piece := range remotePieces {
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originalNodes[piece.NodeId] = true
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if i >= toKill {
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// this means the node will be kept alive for repair
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// choose a node and pieceID to corrupt so repair fails
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if corruptedNodeID.IsZero() || corruptedPieceID.IsZero() {
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corruptedNodeID = piece.NodeId
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corruptedPieceID = pointer.GetRemote().RootPieceId.Derive(corruptedNodeID, piece.PieceNum)
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}
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continue
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}
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nodesToKill[piece.NodeId] = true
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}
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require.NotNil(t, corruptedNodeID)
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require.NotNil(t, corruptedPieceID)
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for _, node := range planet.StorageNodes {
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if node.ID() == corruptedNodeID {
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corruptedNode = node
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}
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if nodesToKill[node.ID()] {
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err = planet.StopPeer(node)
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require.NoError(t, err)
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_, err = satellite.Overlay.Service.UpdateUptime(ctx, node.ID(), false)
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require.NoError(t, err)
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}
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}
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require.NotNil(t, corruptedNode)
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overlay := planet.Satellites[0].Overlay.Service
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node, err := overlay.Get(ctx, corruptedNodeID)
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require.NoError(t, err)
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corruptedNodeReputation := node.Reputation
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corruptPieceData(ctx, t, planet, corruptedNode, corruptedPieceID)
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satellite.Repair.Checker.Loop.Restart()
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satellite.Repair.Checker.Loop.TriggerWait()
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satellite.Repair.Checker.Loop.Pause()
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satellite.Repair.Repairer.Loop.Restart()
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satellite.Repair.Repairer.Loop.TriggerWait()
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satellite.Repair.Repairer.Loop.Pause()
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satellite.Repair.Repairer.Limiter.Wait()
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// repair should update audit status as fail
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node, err = overlay.Get(ctx, corruptedNodeID)
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require.NoError(t, err)
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require.Equal(t, corruptedNodeReputation.AuditCount+1, node.Reputation.AuditCount)
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require.True(t, corruptedNodeReputation.AuditReputationBeta < node.Reputation.AuditReputationBeta)
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require.True(t, corruptedNodeReputation.AuditReputationAlpha >= node.Reputation.AuditReputationAlpha)
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// repair should fail, so segment should contain all the original nodes
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metainfoService := satellite.Metainfo.Service
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pointer, err = metainfoService.Get(ctx, path)
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require.NoError(t, err)
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remotePieces = pointer.GetRemote().GetRemotePieces()
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for _, piece := range remotePieces {
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require.Contains(t, originalNodes, piece.NodeId, "there should be no new nodes in pointer")
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}
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})
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}
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// TestCorruptDataRepair does the following:
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// - Uploads test data
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// - Kills some nodes carrying the uploaded segment but keep it above minimum requirement
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// - On one of the remaining nodes, corrupt the piece data being stored by that node
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// - Triggers data repair, which attempts to repair the data from the remaining nodes to
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// the numbers of nodes determined by the upload repair max threshold
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// - Expects that the repair succeed and the pointer should not contain the corrupted piece
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func TestCorruptDataRepair_Succeed(t *testing.T) {
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const RepairMaxExcessRateOptimalThreshold = 0.05
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testplanet.Run(t, testplanet.Config{
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SatelliteCount: 1,
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StorageNodeCount: 14,
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UplinkCount: 1,
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Reconfigure: testplanet.Reconfigure{
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Satellite: func(log *zap.Logger, index int, config *satellite.Config) {
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config.Overlay.Node.OnlineWindow = 0
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config.Repairer.MaxExcessRateOptimalThreshold = RepairMaxExcessRateOptimalThreshold
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},
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},
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}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
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uplinkPeer := planet.Uplinks[0]
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satellite := planet.Satellites[0]
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// stop audit to prevent possible interactions i.e. repair timeout problems
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satellite.Audit.Worker.Loop.Pause()
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satellite.Repair.Checker.Loop.Pause()
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satellite.Repair.Repairer.Loop.Pause()
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var testData = testrand.Bytes(8 * memory.KiB)
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// first, upload some remote data
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err := uplinkPeer.UploadWithConfig(ctx, satellite, &uplink.RSConfig{
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MinThreshold: 3,
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RepairThreshold: 5,
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SuccessThreshold: 7,
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MaxThreshold: 9,
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}, "testbucket", "test/path", testData)
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require.NoError(t, err)
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pointer, path := getRemoteSegment(t, ctx, satellite)
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// calculate how many storagenodes to kill
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redundancy := pointer.GetRemote().GetRedundancy()
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remotePieces := pointer.GetRemote().GetRemotePieces()
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numPieces := len(remotePieces)
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toKill := numPieces - int(redundancy.RepairThreshold)
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require.True(t, toKill >= 1)
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// kill nodes and track lost pieces
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nodesToKill := make(map[storj.NodeID]bool)
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originalNodes := make(map[storj.NodeID]bool)
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var corruptedNode *storagenode.Peer
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var corruptedNodeID storj.NodeID
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var corruptedPieceID storj.PieceID
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var corruptedPiece *pb.RemotePiece
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for i, piece := range remotePieces {
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originalNodes[piece.NodeId] = true
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if i >= toKill {
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// this means the node will be kept alive for repair
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// choose a node and pieceID to corrupt so repair fails
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if corruptedNodeID.IsZero() || corruptedPieceID.IsZero() {
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corruptedNodeID = piece.NodeId
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corruptedPieceID = pointer.GetRemote().RootPieceId.Derive(corruptedNodeID, piece.PieceNum)
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corruptedPiece = piece
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}
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continue
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}
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nodesToKill[piece.NodeId] = true
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}
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require.NotNil(t, corruptedNodeID)
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require.NotNil(t, corruptedPieceID)
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require.NotNil(t, corruptedPiece)
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for _, node := range planet.StorageNodes {
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if node.ID() == corruptedNodeID {
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corruptedNode = node
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}
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if nodesToKill[node.ID()] {
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err = planet.StopPeer(node)
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require.NoError(t, err)
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_, err = satellite.Overlay.Service.UpdateUptime(ctx, node.ID(), false)
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require.NoError(t, err)
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}
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}
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require.NotNil(t, corruptedNode)
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corruptPieceData(ctx, t, planet, corruptedNode, corruptedPieceID)
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overlay := planet.Satellites[0].Overlay.Service
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node, err := overlay.Get(ctx, corruptedNodeID)
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require.NoError(t, err)
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corruptedNodeReputation := node.Reputation
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satellite.Repair.Checker.Loop.Restart()
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satellite.Repair.Checker.Loop.TriggerWait()
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satellite.Repair.Checker.Loop.Pause()
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satellite.Repair.Repairer.Loop.Restart()
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satellite.Repair.Repairer.Loop.TriggerWait()
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satellite.Repair.Repairer.Loop.Pause()
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satellite.Repair.Repairer.Limiter.Wait()
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// repair should update audit status as fail
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node, err = overlay.Get(ctx, corruptedNodeID)
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require.NoError(t, err)
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require.Equal(t, corruptedNodeReputation.AuditCount+1, node.Reputation.AuditCount)
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require.True(t, corruptedNodeReputation.AuditReputationBeta < node.Reputation.AuditReputationBeta)
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require.True(t, corruptedNodeReputation.AuditReputationAlpha >= node.Reputation.AuditReputationAlpha)
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// get the new pointer
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metainfoService := satellite.Metainfo.Service
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pointer, err = metainfoService.Get(ctx, path)
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require.NoError(t, err)
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remotePieces = pointer.GetRemote().GetRemotePieces()
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for _, piece := range remotePieces {
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require.NotEqual(t, piece.PieceNum, corruptedPiece.PieceNum, "there should be no corrupted piece in pointer")
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}
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})
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}
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// TestRemoveDeletedSegmentFromQueue
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// - Upload tests data to 7 nodes
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// - Kill nodes so that repair threshold > online nodes > minimum threshold
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// - Call checker to add segment to the repair queue
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// - Delete segment from the satellite database
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// - Run the repairer
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// - Verify segment is no longer in the repair queue
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func TestRemoveDeletedSegmentFromQueue(t *testing.T) {
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testplanet.Run(t, testplanet.Config{
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SatelliteCount: 1,
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StorageNodeCount: 10,
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UplinkCount: 1,
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}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
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// first, upload some remote data
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uplinkPeer := planet.Uplinks[0]
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satellite := planet.Satellites[0]
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// stop audit to prevent possible interactions i.e. repair timeout problems
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satellite.Audit.Worker.Loop.Stop()
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satellite.Repair.Checker.Loop.Pause()
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satellite.Repair.Repairer.Loop.Pause()
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testData := testrand.Bytes(8 * memory.KiB)
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err := uplinkPeer.UploadWithConfig(ctx, satellite, &uplink.RSConfig{
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MinThreshold: 3,
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RepairThreshold: 5,
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SuccessThreshold: 7,
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MaxThreshold: 7,
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}, "testbucket", "test/path", testData)
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require.NoError(t, err)
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pointer, _ := getRemoteSegment(t, ctx, satellite)
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// kill nodes and track lost pieces
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nodesToDQ := make(map[storj.NodeID]bool)
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// Kill 3 nodes so that pointer has 4 left (less than repair threshold)
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toKill := 3
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remotePieces := pointer.GetRemote().GetRemotePieces()
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for i, piece := range remotePieces {
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if i >= toKill {
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continue
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}
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nodesToDQ[piece.NodeId] = true
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}
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for nodeID := range nodesToDQ {
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disqualifyNode(t, ctx, satellite, nodeID)
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}
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// trigger checker to add segment to repair queue
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satellite.Repair.Checker.Loop.Restart()
|
|
satellite.Repair.Checker.Loop.TriggerWait()
|
|
satellite.Repair.Checker.Loop.Pause()
|
|
|
|
// Delete segment from the satellite database
|
|
err = uplinkPeer.Delete(ctx, satellite, "testbucket", "test/path")
|
|
require.NoError(t, err)
|
|
|
|
// Verify that the segment is on the repair queue
|
|
count, err := satellite.DB.RepairQueue().Count(ctx)
|
|
require.NoError(t, err)
|
|
require.Equal(t, count, 1)
|
|
|
|
// Run the repairer
|
|
satellite.Repair.Repairer.Loop.Restart()
|
|
satellite.Repair.Repairer.Loop.TriggerWait()
|
|
satellite.Repair.Repairer.Loop.Pause()
|
|
satellite.Repair.Repairer.Limiter.Wait()
|
|
|
|
// Verify that the segment was removed
|
|
count, err = satellite.DB.RepairQueue().Count(ctx)
|
|
require.NoError(t, err)
|
|
require.Equal(t, count, 0)
|
|
})
|
|
}
|
|
|
|
// TestRemoveIrreparableSegmentFromQueue
|
|
// - Upload tests data to 7 nodes
|
|
// - Kill nodes so that repair threshold > online nodes > minimum threshold
|
|
// - Call checker to add segment to the repair queue
|
|
// - Kill nodes so that online nodes < minimum threshold
|
|
// - Run the repairer
|
|
// - Verify segment is no longer in the repair queue and segment should be the same
|
|
func TestRemoveIrreparableSegmentFromQueue(t *testing.T) {
|
|
testplanet.Run(t, testplanet.Config{
|
|
SatelliteCount: 1,
|
|
StorageNodeCount: 10,
|
|
UplinkCount: 1,
|
|
}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
|
|
// first, upload some remote data
|
|
uplinkPeer := planet.Uplinks[0]
|
|
satellite := planet.Satellites[0]
|
|
// stop audit to prevent possible interactions i.e. repair timeout problems
|
|
satellite.Audit.Worker.Loop.Stop()
|
|
|
|
satellite.Repair.Checker.Loop.Pause()
|
|
satellite.Repair.Repairer.Loop.Pause()
|
|
|
|
testData := testrand.Bytes(8 * memory.KiB)
|
|
|
|
err := uplinkPeer.UploadWithConfig(ctx, satellite, &uplink.RSConfig{
|
|
MinThreshold: 3,
|
|
RepairThreshold: 5,
|
|
SuccessThreshold: 7,
|
|
MaxThreshold: 7,
|
|
}, "testbucket", "test/path", testData)
|
|
require.NoError(t, err)
|
|
|
|
pointer, _ := getRemoteSegment(t, ctx, satellite)
|
|
|
|
// kill nodes and track lost pieces
|
|
nodesToDQ := make(map[storj.NodeID]bool)
|
|
|
|
// Kill 3 nodes so that pointer has 4 left (less than repair threshold)
|
|
toKill := 3
|
|
|
|
remotePieces := pointer.GetRemote().GetRemotePieces()
|
|
|
|
for i, piece := range remotePieces {
|
|
if i >= toKill {
|
|
continue
|
|
}
|
|
nodesToDQ[piece.NodeId] = true
|
|
}
|
|
|
|
for nodeID := range nodesToDQ {
|
|
disqualifyNode(t, ctx, satellite, nodeID)
|
|
}
|
|
|
|
// trigger checker to add segment to repair queue
|
|
satellite.Repair.Checker.Loop.Restart()
|
|
satellite.Repair.Checker.Loop.TriggerWait()
|
|
satellite.Repair.Checker.Loop.Pause()
|
|
|
|
// Kill nodes so that online nodes < minimum threshold
|
|
// This will make the segment irreparable
|
|
for _, piece := range remotePieces {
|
|
disqualifyNode(t, ctx, satellite, piece.NodeId)
|
|
}
|
|
|
|
// Verify that the segment is on the repair queue
|
|
count, err := satellite.DB.RepairQueue().Count(ctx)
|
|
require.NoError(t, err)
|
|
require.Equal(t, count, 1)
|
|
|
|
// Run the repairer
|
|
satellite.Repair.Repairer.Loop.Restart()
|
|
satellite.Repair.Repairer.Loop.TriggerWait()
|
|
satellite.Repair.Repairer.Loop.Pause()
|
|
satellite.Repair.Repairer.Limiter.Wait()
|
|
|
|
// Verify that the segment was removed
|
|
count, err = satellite.DB.RepairQueue().Count(ctx)
|
|
require.NoError(t, err)
|
|
require.Equal(t, count, 0)
|
|
})
|
|
}
|
|
|
|
// TestRepairMultipleDisqualified does the following:
|
|
// - Uploads test data to 7 nodes
|
|
// - Disqualifies 3 nodes
|
|
// - Triggers data repair, which repairs the data from the remaining 4 nodes to additional 3 new nodes
|
|
// - Shuts down the 4 nodes from which the data was repaired
|
|
// - Now we have just the 3 new nodes to which the data was repaired
|
|
// - Downloads the data from these 3 nodes (succeeds because 3 nodes are enough for download)
|
|
func TestRepairMultipleDisqualified(t *testing.T) {
|
|
testplanet.Run(t, testplanet.Config{
|
|
SatelliteCount: 1,
|
|
StorageNodeCount: 12,
|
|
UplinkCount: 1,
|
|
}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
|
|
// first, upload some remote data
|
|
uplinkPeer := planet.Uplinks[0]
|
|
satellite := planet.Satellites[0]
|
|
|
|
satellite.Repair.Checker.Loop.Pause()
|
|
satellite.Repair.Repairer.Loop.Pause()
|
|
|
|
testData := testrand.Bytes(8 * memory.KiB)
|
|
|
|
err := uplinkPeer.UploadWithConfig(ctx, satellite, &uplink.RSConfig{
|
|
MinThreshold: 3,
|
|
RepairThreshold: 5,
|
|
SuccessThreshold: 7,
|
|
MaxThreshold: 7,
|
|
}, "testbucket", "test/path", testData)
|
|
require.NoError(t, err)
|
|
|
|
// get a remote segment from metainfo
|
|
metainfo := satellite.Metainfo.Service
|
|
listResponse, _, err := metainfo.List(ctx, "", "", true, 0, 0)
|
|
require.NoError(t, err)
|
|
|
|
var path string
|
|
var pointer *pb.Pointer
|
|
for _, v := range listResponse {
|
|
path = v.GetPath()
|
|
pointer, err = metainfo.Get(ctx, path)
|
|
require.NoError(t, err)
|
|
if pointer.GetType() == pb.Pointer_REMOTE {
|
|
break
|
|
}
|
|
}
|
|
|
|
// calculate how many storagenodes to disqualify
|
|
numStorageNodes := len(planet.StorageNodes)
|
|
redundancy := pointer.GetRemote().GetRedundancy()
|
|
remotePieces := pointer.GetRemote().GetRemotePieces()
|
|
minReq := redundancy.GetMinReq()
|
|
numPieces := len(remotePieces)
|
|
toDisqualify := numPieces - (int(minReq + 1))
|
|
// we should have enough storage nodes to repair on
|
|
require.True(t, (numStorageNodes-toDisqualify) >= numPieces)
|
|
|
|
// disqualify nodes and track lost pieces
|
|
nodesToDisqualify := make(map[storj.NodeID]bool)
|
|
nodesToKeepAlive := make(map[storj.NodeID]bool)
|
|
|
|
for i, piece := range remotePieces {
|
|
if i >= toDisqualify {
|
|
nodesToKeepAlive[piece.NodeId] = true
|
|
continue
|
|
}
|
|
nodesToDisqualify[piece.NodeId] = true
|
|
}
|
|
|
|
for _, node := range planet.StorageNodes {
|
|
if nodesToDisqualify[node.ID()] {
|
|
disqualifyNode(t, ctx, satellite, node.ID())
|
|
}
|
|
}
|
|
|
|
err = satellite.Repair.Checker.RefreshReliabilityCache(ctx)
|
|
require.NoError(t, err)
|
|
|
|
satellite.Repair.Checker.Loop.TriggerWait()
|
|
satellite.Repair.Repairer.Loop.TriggerWait()
|
|
satellite.Repair.Repairer.Limiter.Wait()
|
|
|
|
// kill nodes kept alive to ensure repair worked
|
|
for _, node := range planet.StorageNodes {
|
|
if nodesToKeepAlive[node.ID()] {
|
|
err = planet.StopPeer(node)
|
|
require.NoError(t, err)
|
|
|
|
_, err = satellite.Overlay.Service.UpdateUptime(ctx, node.ID(), false)
|
|
require.NoError(t, err)
|
|
}
|
|
}
|
|
|
|
// we should be able to download data without any of the original nodes
|
|
newData, err := uplinkPeer.Download(ctx, satellite, "testbucket", "test/path")
|
|
require.NoError(t, err)
|
|
require.Equal(t, newData, testData)
|
|
|
|
// updated pointer should not contain any of the disqualified nodes
|
|
pointer, err = metainfo.Get(ctx, path)
|
|
require.NoError(t, err)
|
|
|
|
remotePieces = pointer.GetRemote().GetRemotePieces()
|
|
for _, piece := range remotePieces {
|
|
require.False(t, nodesToDisqualify[piece.NodeId])
|
|
}
|
|
})
|
|
}
|
|
|
|
// TestDataRepairOverride_HigherLimit does the following:
|
|
// - Uploads test data
|
|
// - Kills nodes to fall to the Repair Override Value of the checker but stays above the original Repair Threshold
|
|
// - Triggers data repair, which attempts to repair the data from the remaining nodes to
|
|
// the numbers of nodes determined by the upload repair max threshold
|
|
func TestDataRepairOverride_HigherLimit(t *testing.T) {
|
|
const repairOverride = 6
|
|
|
|
testplanet.Run(t, testplanet.Config{
|
|
SatelliteCount: 1,
|
|
StorageNodeCount: 14,
|
|
UplinkCount: 1,
|
|
Reconfigure: testplanet.Reconfigure{
|
|
Satellite: func(log *zap.Logger, index int, config *satellite.Config) {
|
|
config.Overlay.Node.OnlineWindow = 0
|
|
config.Checker.RepairOverride = repairOverride
|
|
},
|
|
},
|
|
}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
|
|
uplinkPeer := planet.Uplinks[0]
|
|
satellite := planet.Satellites[0]
|
|
// stop audit to prevent possible interactions i.e. repair timeout problems
|
|
satellite.Audit.Worker.Loop.Pause()
|
|
|
|
satellite.Repair.Checker.Loop.Pause()
|
|
satellite.Repair.Repairer.Loop.Pause()
|
|
|
|
var testData = testrand.Bytes(8 * memory.KiB)
|
|
// first, upload some remote data
|
|
err := uplinkPeer.UploadWithConfig(ctx, satellite, &uplink.RSConfig{
|
|
MinThreshold: 3,
|
|
RepairThreshold: 4,
|
|
SuccessThreshold: 9,
|
|
MaxThreshold: 9,
|
|
}, "testbucket", "test/path", testData)
|
|
require.NoError(t, err)
|
|
|
|
pointer, path := getRemoteSegment(t, ctx, satellite)
|
|
|
|
// calculate how many storagenodes to kill
|
|
// kill one nodes less than repair threshold to ensure we dont hit it.
|
|
remotePieces := pointer.GetRemote().GetRemotePieces()
|
|
numPieces := len(remotePieces)
|
|
toKill := numPieces - repairOverride
|
|
require.True(t, toKill >= 1)
|
|
|
|
// kill nodes and track lost pieces
|
|
nodesToKill := make(map[storj.NodeID]bool)
|
|
originalNodes := make(map[storj.NodeID]bool)
|
|
|
|
for i, piece := range remotePieces {
|
|
originalNodes[piece.NodeId] = true
|
|
if i >= toKill {
|
|
// this means the node will be kept alive for repair
|
|
continue
|
|
}
|
|
nodesToKill[piece.NodeId] = true
|
|
}
|
|
|
|
for _, node := range planet.StorageNodes {
|
|
if nodesToKill[node.ID()] {
|
|
err = planet.StopPeer(node)
|
|
require.NoError(t, err)
|
|
_, err = satellite.Overlay.Service.UpdateUptime(ctx, node.ID(), false)
|
|
require.NoError(t, err)
|
|
}
|
|
}
|
|
|
|
satellite.Repair.Checker.Loop.Restart()
|
|
satellite.Repair.Checker.Loop.TriggerWait()
|
|
satellite.Repair.Checker.Loop.Pause()
|
|
satellite.Repair.Repairer.Loop.Restart()
|
|
satellite.Repair.Repairer.Loop.TriggerWait()
|
|
satellite.Repair.Repairer.Loop.Pause()
|
|
satellite.Repair.Repairer.Limiter.Wait()
|
|
|
|
// repair should have been done, due to the override
|
|
metainfoService := satellite.Metainfo.Service
|
|
pointer, err = metainfoService.Get(ctx, path)
|
|
require.NoError(t, err)
|
|
|
|
// pointer should have the success count of pieces
|
|
remotePieces = pointer.GetRemote().GetRemotePieces()
|
|
require.Equal(t, int(pointer.Remote.Redundancy.SuccessThreshold), len(remotePieces))
|
|
})
|
|
}
|
|
|
|
// TestDataRepairOverride_LowerLimit does the following:
|
|
// - Uploads test data
|
|
// - Kills nodes to fall to the Repair Threshold of the checker that should not trigger repair any longer
|
|
// - Starts Checker and Repairer and ensures this is the case.
|
|
// - Kills more nodes to fall to the Override Value to trigger repair
|
|
// - Triggers data repair, which attempts to repair the data from the remaining nodes to
|
|
// the numbers of nodes determined by the upload repair max threshold
|
|
func TestDataRepairOverride_LowerLimit(t *testing.T) {
|
|
const repairOverride = 4
|
|
|
|
testplanet.Run(t, testplanet.Config{
|
|
SatelliteCount: 1,
|
|
StorageNodeCount: 14,
|
|
UplinkCount: 1,
|
|
Reconfigure: testplanet.Reconfigure{
|
|
Satellite: func(log *zap.Logger, index int, config *satellite.Config) {
|
|
config.Overlay.Node.OnlineWindow = 0
|
|
config.Checker.RepairOverride = repairOverride
|
|
},
|
|
},
|
|
}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
|
|
uplinkPeer := planet.Uplinks[0]
|
|
satellite := planet.Satellites[0]
|
|
// stop audit to prevent possible interactions i.e. repair timeout problems
|
|
satellite.Audit.Worker.Loop.Pause()
|
|
|
|
satellite.Repair.Checker.Loop.Pause()
|
|
satellite.Repair.Repairer.Loop.Pause()
|
|
|
|
var testData = testrand.Bytes(8 * memory.KiB)
|
|
// first, upload some remote data
|
|
err := uplinkPeer.UploadWithConfig(ctx, satellite, &uplink.RSConfig{
|
|
MinThreshold: 3,
|
|
RepairThreshold: 6,
|
|
SuccessThreshold: 9,
|
|
MaxThreshold: 9,
|
|
}, "testbucket", "test/path", testData)
|
|
require.NoError(t, err)
|
|
|
|
pointer, path := getRemoteSegment(t, ctx, satellite)
|
|
|
|
// calculate how many storagenodes to kill
|
|
// to hit the repair threshold
|
|
remotePieces := pointer.GetRemote().GetRemotePieces()
|
|
repairThreshold := int(pointer.GetRemote().Redundancy.RepairThreshold)
|
|
numPieces := len(remotePieces)
|
|
toKill := numPieces - repairThreshold
|
|
require.True(t, toKill >= 1)
|
|
|
|
// kill nodes and track lost pieces
|
|
nodesToKill := make(map[storj.NodeID]bool)
|
|
originalNodes := make(map[storj.NodeID]bool)
|
|
|
|
for i, piece := range remotePieces {
|
|
originalNodes[piece.NodeId] = true
|
|
if i >= toKill {
|
|
// this means the node will be kept alive for repair
|
|
continue
|
|
}
|
|
nodesToKill[piece.NodeId] = true
|
|
}
|
|
|
|
for _, node := range planet.StorageNodes {
|
|
if nodesToKill[node.ID()] {
|
|
err = planet.StopPeer(node)
|
|
require.NoError(t, err)
|
|
_, err = satellite.Overlay.Service.UpdateUptime(ctx, node.ID(), false)
|
|
require.NoError(t, err)
|
|
}
|
|
}
|
|
|
|
satellite.Repair.Checker.Loop.Restart()
|
|
satellite.Repair.Checker.Loop.TriggerWait()
|
|
satellite.Repair.Checker.Loop.Pause()
|
|
satellite.Repair.Repairer.Loop.Restart()
|
|
satellite.Repair.Repairer.Loop.TriggerWait()
|
|
satellite.Repair.Repairer.Loop.Pause()
|
|
satellite.Repair.Repairer.Limiter.Wait()
|
|
|
|
// Increase offline count by the difference to trigger repair
|
|
toKill += repairThreshold - repairOverride
|
|
|
|
for i, piece := range remotePieces {
|
|
originalNodes[piece.NodeId] = true
|
|
if i >= toKill {
|
|
// this means the node will be kept alive for repair
|
|
continue
|
|
}
|
|
nodesToKill[piece.NodeId] = true
|
|
}
|
|
|
|
for _, node := range planet.StorageNodes {
|
|
if nodesToKill[node.ID()] {
|
|
err = planet.StopPeer(node)
|
|
require.NoError(t, err)
|
|
_, err = satellite.Overlay.Service.UpdateUptime(ctx, node.ID(), false)
|
|
require.NoError(t, err)
|
|
}
|
|
}
|
|
|
|
satellite.Repair.Checker.Loop.Restart()
|
|
satellite.Repair.Checker.Loop.TriggerWait()
|
|
satellite.Repair.Checker.Loop.Pause()
|
|
satellite.Repair.Repairer.Loop.Restart()
|
|
satellite.Repair.Repairer.Loop.TriggerWait()
|
|
satellite.Repair.Repairer.Loop.Pause()
|
|
satellite.Repair.Repairer.Limiter.Wait()
|
|
|
|
// repair should have been done, due to the override
|
|
metainfoService := satellite.Metainfo.Service
|
|
pointer, err = metainfoService.Get(ctx, path)
|
|
require.NoError(t, err)
|
|
|
|
// pointer should have the success count of pieces
|
|
remotePieces = pointer.GetRemote().GetRemotePieces()
|
|
require.Equal(t, int(pointer.Remote.Redundancy.SuccessThreshold), len(remotePieces))
|
|
})
|
|
}
|
|
|
|
// TestDataRepairUploadLimits does the following:
|
|
// - Uploads test data to nodes
|
|
// - Get one segment of that data to check in which nodes its pieces are stored
|
|
// - Kills as many nodes as needed which store such segment pieces
|
|
// - Triggers data repair
|
|
// - Verify that the number of pieces which repaired has uploaded don't overpass
|
|
// the established limit (success threshold + % of excess)
|
|
func TestDataRepairUploadLimit(t *testing.T) {
|
|
const RepairMaxExcessRateOptimalThreshold = 0.05
|
|
|
|
testplanet.Run(t, testplanet.Config{
|
|
SatelliteCount: 1,
|
|
StorageNodeCount: 13,
|
|
UplinkCount: 1,
|
|
Reconfigure: testplanet.Reconfigure{
|
|
Satellite: func(log *zap.Logger, index int, config *satellite.Config) {
|
|
config.Repairer.MaxExcessRateOptimalThreshold = RepairMaxExcessRateOptimalThreshold
|
|
},
|
|
},
|
|
}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
|
|
satellite := planet.Satellites[0]
|
|
// stop audit to prevent possible interactions i.e. repair timeout problems
|
|
satellite.Audit.Worker.Loop.Pause()
|
|
satellite.Repair.Checker.Loop.Pause()
|
|
satellite.Repair.Repairer.Loop.Pause()
|
|
|
|
const (
|
|
repairThreshold = 5
|
|
successThreshold = 7
|
|
maxThreshold = 9
|
|
)
|
|
var (
|
|
maxRepairUploadThreshold = int(
|
|
math.Ceil(
|
|
float64(successThreshold) * (1 + RepairMaxExcessRateOptimalThreshold),
|
|
),
|
|
)
|
|
ul = planet.Uplinks[0]
|
|
testData = testrand.Bytes(8 * memory.KiB)
|
|
)
|
|
|
|
err := ul.UploadWithConfig(ctx, satellite, &uplink.RSConfig{
|
|
MinThreshold: 3,
|
|
RepairThreshold: repairThreshold,
|
|
SuccessThreshold: successThreshold,
|
|
MaxThreshold: maxThreshold,
|
|
}, "testbucket", "test/path", testData)
|
|
require.NoError(t, err)
|
|
|
|
pointer, path := getRemoteSegment(t, ctx, satellite)
|
|
originalPieces := pointer.GetRemote().GetRemotePieces()
|
|
require.True(t, len(originalPieces) <= maxThreshold)
|
|
|
|
{ // Check that there is enough nodes in the network which don't contain
|
|
// pieces of the segment for being able to repair the lost pieces
|
|
availableNumNodes := len(planet.StorageNodes) - len(originalPieces)
|
|
neededNodesForRepair := maxRepairUploadThreshold - repairThreshold
|
|
require.Truef(t,
|
|
availableNumNodes >= neededNodesForRepair,
|
|
"Not enough remaining nodes in the network for repairing the pieces: have= %d, need= %d",
|
|
availableNumNodes, neededNodesForRepair,
|
|
)
|
|
}
|
|
|
|
originalStorageNodes := make(map[storj.NodeID]struct{})
|
|
for _, p := range originalPieces {
|
|
originalStorageNodes[p.NodeId] = struct{}{}
|
|
}
|
|
|
|
killedNodes := make(map[storj.NodeID]struct{})
|
|
{ // Register nodes of the network which don't have pieces for the segment
|
|
// to be injured and ill nodes which have pieces of the segment in order
|
|
// to injure it
|
|
numNodesToKill := len(originalPieces) - repairThreshold
|
|
for _, node := range planet.StorageNodes {
|
|
if _, ok := originalStorageNodes[node.ID()]; !ok {
|
|
continue
|
|
}
|
|
|
|
if len(killedNodes) < numNodesToKill {
|
|
err = planet.StopPeer(node)
|
|
require.NoError(t, err)
|
|
_, err = satellite.Overlay.Service.UpdateUptime(ctx, node.ID(), false)
|
|
require.NoError(t, err)
|
|
|
|
killedNodes[node.ID()] = struct{}{}
|
|
}
|
|
}
|
|
}
|
|
|
|
satellite.Repair.Checker.Loop.Restart()
|
|
satellite.Repair.Checker.Loop.TriggerWait()
|
|
satellite.Repair.Checker.Loop.Pause()
|
|
satellite.Repair.Repairer.Loop.Restart()
|
|
satellite.Repair.Repairer.Loop.TriggerWait()
|
|
satellite.Repair.Repairer.Loop.Pause()
|
|
satellite.Repair.Repairer.Limiter.Wait()
|
|
|
|
// Get the pointer after repair to check the nodes where the pieces are
|
|
// stored
|
|
pointer, err = satellite.Metainfo.Service.Get(ctx, path)
|
|
require.NoError(t, err)
|
|
|
|
// Check that repair has uploaded missed pieces to an expected number of
|
|
// nodes
|
|
afterRepairPieces := pointer.GetRemote().GetRemotePieces()
|
|
require.Falsef(t,
|
|
len(afterRepairPieces) > maxRepairUploadThreshold,
|
|
"Repaired pieces cannot be over max repair upload threshold. maxRepairUploadThreshold= %d, have= %d",
|
|
maxRepairUploadThreshold, len(afterRepairPieces),
|
|
)
|
|
require.Falsef(t,
|
|
len(afterRepairPieces) < successThreshold,
|
|
"Repaired pieces shouldn't be under success threshold. successThreshold= %d, have= %d",
|
|
successThreshold, len(afterRepairPieces),
|
|
)
|
|
|
|
// Check that after repair, the segment doesn't have more pieces on the
|
|
// killed nodes
|
|
for _, p := range afterRepairPieces {
|
|
require.NotContains(t, killedNodes, p.NodeId, "there shouldn't be pieces in killed nodes")
|
|
}
|
|
})
|
|
}
|
|
|
|
func isDisqualified(t *testing.T, ctx *testcontext.Context, satellite *testplanet.SatelliteSystem, nodeID storj.NodeID) bool {
|
|
node, err := satellite.Overlay.Service.Get(ctx, nodeID)
|
|
require.NoError(t, err)
|
|
|
|
return node.Disqualified != nil
|
|
}
|
|
|
|
func disqualifyNode(t *testing.T, ctx *testcontext.Context, satellite *testplanet.SatelliteSystem, nodeID storj.NodeID) {
|
|
_, err := satellite.DB.OverlayCache().UpdateStats(ctx, &overlay.UpdateRequest{
|
|
NodeID: nodeID,
|
|
IsUp: true,
|
|
AuditSuccess: false,
|
|
AuditLambda: 0,
|
|
AuditWeight: 1,
|
|
AuditDQ: 0.5,
|
|
UptimeLambda: 1,
|
|
UptimeWeight: 1,
|
|
UptimeDQ: 0.5,
|
|
})
|
|
require.NoError(t, err)
|
|
require.True(t, isDisqualified(t, ctx, satellite, nodeID))
|
|
}
|
|
|
|
// getRemoteSegment returns a remote pointer its path from satellite.
|
|
// nolint:golint
|
|
func getRemoteSegment(
|
|
t *testing.T, ctx context.Context, satellite *testplanet.SatelliteSystem,
|
|
) (_ *pb.Pointer, path string) {
|
|
t.Helper()
|
|
|
|
// get a remote segment from metainfo
|
|
metainfo := satellite.Metainfo.Service
|
|
listResponse, _, err := metainfo.List(ctx, "", "", true, 0, 0)
|
|
require.NoError(t, err)
|
|
|
|
for _, v := range listResponse {
|
|
path := v.GetPath()
|
|
pointer, err := metainfo.Get(ctx, path)
|
|
require.NoError(t, err)
|
|
if pointer.GetType() == pb.Pointer_REMOTE {
|
|
return pointer, path
|
|
}
|
|
}
|
|
|
|
t.Fatal("satellite doesn't have any remote segment")
|
|
return nil, ""
|
|
}
|
|
|
|
// nolint:golint
|
|
func stopNodeByID(t *testing.T, ctx context.Context, planet *testplanet.Planet, nodeID storj.NodeID) {
|
|
t.Helper()
|
|
|
|
for _, node := range planet.StorageNodes {
|
|
if node.ID() == nodeID {
|
|
err := planet.StopPeer(node)
|
|
require.NoError(t, err)
|
|
|
|
for _, satellite := range planet.Satellites {
|
|
_, err = satellite.Overlay.Service.UpdateUptime(ctx, node.ID(), false)
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
// corruptPieceData manipulates piece data on a storage node.
|
|
func corruptPieceData(ctx context.Context, t *testing.T, planet *testplanet.Planet, corruptedNode *storagenode.Peer, corruptedPieceID storj.PieceID) {
|
|
t.Helper()
|
|
|
|
blobRef := storage.BlobRef{
|
|
Namespace: planet.Satellites[0].ID().Bytes(),
|
|
Key: corruptedPieceID.Bytes(),
|
|
}
|
|
|
|
// get currently stored piece data from storagenode
|
|
reader, err := corruptedNode.Storage2.BlobsCache.Open(ctx, blobRef)
|
|
require.NoError(t, err)
|
|
pieceSize, err := reader.Size()
|
|
require.NoError(t, err)
|
|
require.True(t, pieceSize > 0)
|
|
pieceData := make([]byte, pieceSize)
|
|
n, err := io.ReadFull(reader, pieceData)
|
|
require.NoError(t, err)
|
|
require.EqualValues(t, n, pieceSize)
|
|
|
|
// delete piece data
|
|
err = corruptedNode.Storage2.BlobsCache.Delete(ctx, blobRef)
|
|
require.NoError(t, err)
|
|
|
|
// corrupt piece data (not PieceHeader) and write back to storagenode
|
|
// this means repair downloading should fail during piece hash verification
|
|
pieceData[pieceSize-1]++ // if we don't do this, this test should fail
|
|
writer, err := corruptedNode.Storage2.BlobsCache.Create(ctx, blobRef, pieceSize)
|
|
require.NoError(t, err)
|
|
|
|
n, err = writer.Write(pieceData)
|
|
require.NoError(t, err)
|
|
require.EqualValues(t, n, pieceSize)
|
|
|
|
err = writer.Commit(ctx)
|
|
require.NoError(t, err)
|
|
}
|