75 lines
2.4 KiB
Go
75 lines
2.4 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package audit_test
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import (
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"math/rand"
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"strconv"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"storj.io/common/memory"
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"storj.io/common/storj"
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"storj.io/common/testcontext"
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"storj.io/common/testrand"
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"storj.io/storj/private/testplanet"
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"storj.io/storj/satellite/audit"
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)
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// TestAuditPathCollector does the following:
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// - start testplanet with 5 nodes and a reservoir size of 3
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// - upload 5 files
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// - iterate over all the segments in satellite.Metainfo and store them in allPieces map
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// - create a audit observer and call metaloop.Join(auditObs)
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//
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// Then for every node in testplanet:
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// - expect that there is a reservoir for that node on the audit observer
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// - that the reservoir size is <= 2 (the maxReservoirSize)
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// - that every item in the reservoir is unique
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func TestAuditPathCollector(t *testing.T) {
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testplanet.Run(t, testplanet.Config{
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SatelliteCount: 1, StorageNodeCount: 5, UplinkCount: 1,
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Reconfigure: testplanet.Reconfigure{
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Satellite: testplanet.ReconfigureRS(3, 4, 5, 5),
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},
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}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
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satellite := planet.Satellites[0]
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satellite.Audit.Worker.Loop.Pause()
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ul := planet.Uplinks[0]
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// upload 5 remote files with 1 segment
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for i := 0; i < 5; i++ {
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testData := testrand.Bytes(8 * memory.KiB)
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path := "/some/remote/path/" + strconv.Itoa(i)
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err := ul.Upload(ctx, satellite, "testbucket", path, testData)
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require.NoError(t, err)
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}
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r := rand.New(rand.NewSource(time.Now().Unix()))
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observer := audit.NewPathCollector(4, r)
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err := satellite.Metainfo.Loop.Join(ctx, observer)
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require.NoError(t, err)
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for _, node := range planet.StorageNodes {
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// expect a reservoir for every node
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require.NotNil(t, observer.Reservoirs[node.ID()])
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require.True(t, len(observer.Reservoirs[node.ID()].Paths) > 1)
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// Require that len paths are <= 3 even though the PathCollector was instantiated with 4
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// because the maxReservoirSize is currently 3.
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require.True(t, len(observer.Reservoirs[node.ID()].Paths) <= 3)
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repeats := make(map[storj.Path]bool)
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for _, path := range observer.Reservoirs[node.ID()].Paths {
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assert.False(t, repeats[path], "expected every item in reservoir to be unique")
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repeats[path] = true
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}
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}
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})
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}
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