storj/internal/testplanet/uplink_test.go
2019-04-04 13:35:19 -04:00

116 lines
3.1 KiB
Go

// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information
package testplanet_test
import (
"crypto/rand"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"storj.io/storj/internal/memory"
"storj.io/storj/internal/testcontext"
"storj.io/storj/internal/testplanet"
"storj.io/storj/pkg/pb"
"storj.io/storj/pkg/storj"
"storj.io/storj/uplink"
)
func TestUploadDownload(t *testing.T) {
ctx := testcontext.New(t)
defer ctx.Cleanup()
planet, err := testplanet.New(t, 1, 6, 1)
require.NoError(t, err)
defer ctx.Check(planet.Shutdown)
planet.Start(ctx)
expectedData := make([]byte, 1*memory.MiB)
_, err = rand.Read(expectedData)
assert.NoError(t, err)
err = planet.Uplinks[0].Upload(ctx, planet.Satellites[0], "testbucket", "test/path", expectedData)
assert.NoError(t, err)
data, err := planet.Uplinks[0].Download(ctx, planet.Satellites[0], "testbucket", "test/path")
assert.NoError(t, err)
assert.Equal(t, expectedData, data)
}
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]
// stop discovery service so that we do not get a race condition when we delete nodes from overlay cache
satellite.Discovery.Service.Discovery.Stop()
testData := make([]byte, 1*memory.MiB)
_, err := rand.Read(testData)
require.NoError(t, err)
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("", "", "", 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(path)
require.NoError(t, err)
if pointer.GetType() == pb.Pointer_REMOTE {
break
}
}
// 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
}
for _, node := range planet.StorageNodes {
if nodesToKill[node.ID()] {
err = planet.StopPeer(node)
require.NoError(t, err)
// mark node as offline in overlay cache
_, 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 := ul.Download(ctx, satellite, "testbucket", "test/path")
require.NoError(t, err)
require.Equal(t, testData, newData)
})
}