storj/satellite/audit/collector_test.go

118 lines
3.6 KiB
Go
Raw Normal View History

// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package audit_test
import (
"math/rand"
"strconv"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"storj.io/common/memory"
"storj.io/common/testcontext"
"storj.io/common/testrand"
"storj.io/storj/private/testplanet"
"storj.io/storj/satellite/audit"
"storj.io/storj/satellite/metabase/segmentloop"
)
// TestAuditCollector does the following:
// - start testplanet with 5 nodes and a reservoir size of 3
// - upload 5 files
// - iterate over all the segments in satellite.Metainfo and store them in allPieces map
// - create a audit observer and call metaloop.Join(auditObs)
//
// Then for every node in testplanet:
// - expect that there is a reservoir for that node on the audit observer
// - that the reservoir size is <= 2 (the maxReservoirSize)
// - that every item in the reservoir is unique
func TestAuditCollector(t *testing.T) {
testplanet.Run(t, testplanet.Config{
SatelliteCount: 1, StorageNodeCount: 5, UplinkCount: 1,
Reconfigure: testplanet.Reconfigure{
Satellite: testplanet.ReconfigureRS(3, 4, 5, 5),
},
}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
satellite := planet.Satellites[0]
satellite.Audit.Worker.Loop.Pause()
ul := planet.Uplinks[0]
// upload 5 remote files with 1 segment
for i := 0; i < 5; i++ {
testData := testrand.Bytes(8 * memory.KiB)
path := "/some/remote/path/" + strconv.Itoa(i)
err := ul.Upload(ctx, satellite, "testbucket", path, testData)
require.NoError(t, err)
}
r := rand.New(rand.NewSource(time.Now().Unix()))
observer := audit.NewCollector(4, r)
err := satellite.Metabase.SegmentLoop.Join(ctx, observer)
require.NoError(t, err)
for _, node := range planet.StorageNodes {
// expect a reservoir for every node
require.NotNil(t, observer.Reservoirs[node.ID()])
require.True(t, len(observer.Reservoirs[node.ID()].Segments()) > 1)
// Require that len segments are <= 3 even though the Collector was instantiated with 4
// because the maxReservoirSize is currently 3.
require.True(t, len(observer.Reservoirs[node.ID()].Segments()) <= 3)
repeats := make(map[audit.Segment]bool)
for _, loopSegment := range observer.Reservoirs[node.ID()].Segments() {
segment := audit.NewSegment(loopSegment)
assert.False(t, repeats[segment], "expected every item in reservoir to be unique")
repeats[segment] = true
}
}
})
}
func BenchmarkRemoteSegment(b *testing.B) {
testplanet.Bench(b, testplanet.Config{
SatelliteCount: 1, StorageNodeCount: 4, UplinkCount: 1,
}, func(b *testing.B, ctx *testcontext.Context, planet *testplanet.Planet) {
for i := 0; i < 10; i++ {
err := planet.Uplinks[0].Upload(ctx, planet.Satellites[0], "testbucket", "object"+strconv.Itoa(i), testrand.Bytes(10*memory.KiB))
require.NoError(b, err)
}
observer := audit.NewCollector(3, rand.New(rand.NewSource(time.Now().Unix())))
segments, err := planet.Satellites[0].Metabase.DB.TestingAllSegments(ctx)
require.NoError(b, err)
loopSegments := []*segmentloop.Segment{}
for _, segment := range segments {
loopSegments = append(loopSegments, &segmentloop.Segment{
StreamID: segment.StreamID,
Position: segment.Position,
CreatedAt: segment.CreatedAt,
ExpiresAt: segment.ExpiresAt,
Redundancy: segment.Redundancy,
Pieces: segment.Pieces,
})
}
b.Run("multiple segments", func(b *testing.B) {
for i := 0; i < b.N; i++ {
for _, loopSegment := range loopSegments {
err := observer.RemoteSegment(ctx, loopSegment)
if err != nil {
b.FailNow()
}
}
}
})
})
}