134 lines
3.8 KiB
Go
134 lines
3.8 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package datarepair_test
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import (
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"math/rand"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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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/pkg/pb"
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"storj.io/storj/pkg/storj"
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"storj.io/storj/uplink"
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)
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func TestDataRepair(t *testing.T) {
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t.Skip("flaky")
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testplanet.Run(t, testplanet.Config{
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SatelliteCount: 1,
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StorageNodeCount: 12,
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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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ul := planet.Uplinks[0]
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satellite := planet.Satellites[0]
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// stop discovery service so that we do not get a race condition when we delete nodes from overlay cache
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satellite.Discovery.Service.Discovery.Stop()
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satellite.Discovery.Service.Refresh.Stop()
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satellite.Repair.Checker.Loop.Pause()
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satellite.Repair.Repairer.Loop.Pause()
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testData := make([]byte, 1*memory.MiB)
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_, err := rand.Read(testData)
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assert.NoError(t, err)
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err = ul.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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// get a remote segment from metainfo
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metainfo := satellite.Metainfo.Service
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listResponse, _, err := metainfo.List(ctx, "", "", "", true, 0, 0)
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require.NoError(t, err)
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var path string
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var pointer *pb.Pointer
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for _, v := range listResponse {
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path = v.GetPath()
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pointer, err = metainfo.Get(ctx, path)
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assert.NoError(t, err)
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if pointer.GetType() == pb.Pointer_REMOTE {
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break
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}
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}
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// calculate how many storagenodes to kill
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numStorageNodes := len(planet.StorageNodes)
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redundancy := pointer.GetRemote().GetRedundancy()
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remotePieces := pointer.GetRemote().GetRemotePieces()
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minReq := redundancy.GetMinReq()
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numPieces := len(remotePieces)
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toKill := numPieces - (int(minReq) + 1)
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// we should have enough storage nodes to repair on
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assert.True(t, (numStorageNodes-toKill) >= numPieces)
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// kill nodes and track lost pieces
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var lostPieces []int32
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nodesToKill := make(map[storj.NodeID]bool)
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nodesToKeepAlive := make(map[storj.NodeID]bool)
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for i, piece := range remotePieces {
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if i >= toKill {
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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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lostPieces = append(lostPieces, piece.GetPieceNum())
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}
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for _, node := range planet.StorageNodes {
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if nodesToKill[node.ID()] {
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err = planet.StopPeer(node)
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assert.NoError(t, err)
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_, err = satellite.Overlay.Service.UpdateUptime(ctx, node.ID(), false)
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assert.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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// kill nodes kept alive to ensure repair worked
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for _, node := range planet.StorageNodes {
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if nodesToKeepAlive[node.ID()] {
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err = planet.StopPeer(node)
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assert.NoError(t, err)
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_, err = satellite.Overlay.Service.UpdateUptime(ctx, node.ID(), false)
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assert.NoError(t, err)
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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 := ul.Download(ctx, satellite, "testbucket", "test/path")
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assert.NoError(t, err)
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assert.Equal(t, newData, testData)
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// updated pointer should not contain any of the killed nodes
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pointer, err = metainfo.Get(ctx, path)
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assert.NoError(t, err)
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remotePieces = pointer.GetRemote().GetRemotePieces()
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for _, piece := range remotePieces {
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assert.False(t, nodesToKill[piece.NodeId])
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}
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})
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}
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