storj/internal/testplanet/uplink_test.go

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// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information
package testplanet_test
import (
"bytes"
"context"
"fmt"
"math/rand"
"path/filepath"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"golang.org/x/sync/errgroup"
"storj.io/storj/internal/memory"
"storj.io/storj/internal/testcontext"
"storj.io/storj/internal/testplanet"
"storj.io/storj/pkg/pb"
"storj.io/storj/pkg/peertls/extensions"
"storj.io/storj/pkg/peertls/tlsopts"
"storj.io/storj/pkg/server"
"storj.io/storj/pkg/storj"
"storj.io/storj/uplink"
)
func TestUplinksParallel(t *testing.T) {
const uplinkCount = 3
const parallelCount = 2
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testplanet.Run(t, testplanet.Config{
SatelliteCount: 1, StorageNodeCount: 6, UplinkCount: uplinkCount,
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}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
satellite := planet.Satellites[0]
var group errgroup.Group
for i := range planet.Uplinks {
uplink := planet.Uplinks[i]
for p := 0; p < parallelCount; p++ {
suffix := fmt.Sprintf("-%d-%d", i, p)
group.Go(func() error {
random := rand.New(rand.NewSource(rand.Int63()))
data := make([]byte, 100*memory.KiB.Int()+random.Intn(500)*memory.KiB.Int())
_, err := random.Read(data)
if err != nil {
return err
}
err = uplink.Upload(ctx, satellite, "testbucket"+suffix, "test/path"+suffix, data)
if err != nil {
return err
}
downloaded, err := uplink.Download(ctx, satellite, "testbucket"+suffix, "test/path"+suffix)
if err != nil {
return err
}
if !bytes.Equal(data, downloaded) {
return fmt.Errorf("upload != download data: %s", suffix)
}
return nil
})
}
}
err := group.Wait()
require.NoError(t, err)
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})
}
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func TestDownloadWithSomeNodesOffline(t *testing.T) {
testplanet.Run(t, testplanet.Config{
SatelliteCount: 1, StorageNodeCount: 5, UplinkCount: 1,
}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
// first, upload some remote data
ul := planet.Uplinks[0]
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
satellite.Discovery.Service.Discovery.Stop()
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testData := make([]byte, 1*memory.MiB)
_, err := rand.Read(testData)
require.NoError(t, err)
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err = ul.UploadWithConfig(ctx, satellite, &uplink.RSConfig{
MinThreshold: 2,
RepairThreshold: 3,
SuccessThreshold: 4,
MaxThreshold: 5,
}, "testbucket", "test/path", testData)
require.NoError(t, err)
// get a remote segment from pointerdb
pdb := satellite.Metainfo.Service
listResponse, _, err := pdb.List(ctx, "", "", "", true, 0, 0)
require.NoError(t, err)
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var path string
var pointer *pb.Pointer
for _, v := range listResponse {
path = v.GetPath()
pointer, err = pdb.Get(ctx, path)
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require.NoError(t, err)
if pointer.GetType() == pb.Pointer_REMOTE {
break
}
}
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// calculate how many storagenodes to kill
redundancy := pointer.GetRemote().GetRedundancy()
remotePieces := pointer.GetRemote().GetRemotePieces()
minReq := redundancy.GetMinReq()
numPieces := len(remotePieces)
toKill := numPieces - int(minReq)
nodesToKill := make(map[storj.NodeID]bool)
for i, piece := range remotePieces {
if i >= toKill {
continue
}
nodesToKill[piece.NodeId] = true
}
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for _, node := range planet.StorageNodes {
if nodesToKill[node.ID()] {
err = planet.StopPeer(node)
require.NoError(t, err)
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// mark node as offline in overlay cache
_, err = satellite.Overlay.Service.UpdateUptime(ctx, node.ID(), false)
require.NoError(t, err)
}
}
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// we should be able to download data without any of the original nodes
newData, err := ul.Download(ctx, satellite, "testbucket", "test/path")
require.NoError(t, err)
require.Equal(t, testData, newData)
})
}
type piecestoreMock struct {
}
func (mock *piecestoreMock) Upload(server pb.Piecestore_UploadServer) error {
return nil
}
func (mock *piecestoreMock) Download(server pb.Piecestore_DownloadServer) error {
timoutTicker := time.NewTicker(30 * time.Second)
defer timoutTicker.Stop()
select {
case <-timoutTicker.C:
return nil
case <-server.Context().Done():
return nil
}
}
func (mock *piecestoreMock) Delete(ctx context.Context, delete *pb.PieceDeleteRequest) (_ *pb.PieceDeleteResponse, err error) {
return nil, nil
}
func TestDownloadFromUnresponsiveNode(t *testing.T) {
testplanet.Run(t, testplanet.Config{
SatelliteCount: 1, StorageNodeCount: 5, UplinkCount: 1,
}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
expectedData := make([]byte, 1*memory.MiB)
_, err := rand.Read(expectedData)
assert.NoError(t, err)
err = planet.Uplinks[0].UploadWithConfig(ctx, planet.Satellites[0], &uplink.RSConfig{
MinThreshold: 2,
RepairThreshold: 3,
SuccessThreshold: 4,
MaxThreshold: 5,
}, "testbucket", "test/path", expectedData)
require.NoError(t, err)
// get a remote segment from pointerdb
pdb := planet.Satellites[0].Metainfo.Service
listResponse, _, err := pdb.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 = pdb.Get(ctx, path)
require.NoError(t, err)
if pointer.GetType() == pb.Pointer_REMOTE {
break
}
}
stopped := false
// choose used storage node and replace it with fake listener
unresponsiveNode := pointer.Remote.RemotePieces[0].NodeId
for _, storageNode := range planet.StorageNodes {
if storageNode.ID() == unresponsiveNode {
err = planet.StopPeer(storageNode)
require.NoError(t, err)
wl, err := planet.WriteWhitelist(storj.LatestIDVersion())
require.NoError(t, err)
options, err := tlsopts.NewOptions(storageNode.Identity, tlsopts.Config{
RevocationDBURL: "bolt://" + filepath.Join(ctx.Dir("fakestoragenode"), "revocation.db"),
UsePeerCAWhitelist: true,
PeerCAWhitelistPath: wl,
PeerIDVersions: "*",
Extensions: extensions.Config{
Revocation: false,
WhitelistSignedLeaf: false,
},
})
require.NoError(t, err)
server, err := server.New(options, storageNode.Addr(), storageNode.PrivateAddr(), nil)
require.NoError(t, err)
pb.RegisterPiecestoreServer(server.GRPC(), &piecestoreMock{})
go func() {
err := server.Run(ctx)
require.NoError(t, err)
}()
stopped = true
break
}
}
assert.True(t, stopped, "no storage node was altered")
data, err := planet.Uplinks[0].Download(ctx, planet.Satellites[0], "testbucket", "test/path")
assert.NoError(t, err)
assert.Equal(t, expectedData, data)
})
}