502 lines
20 KiB
Go
502 lines
20 KiB
Go
// Copyright (C) 2020 Storj Labs, Inc.
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// See LICENSE for copying information.
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package reputation_test
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import (
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"context"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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"go.uber.org/zap"
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"storj.io/common/storj"
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"storj.io/common/testcontext"
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"storj.io/storj/private/testplanet"
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"storj.io/storj/satellite"
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"storj.io/storj/satellite/audit"
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"storj.io/storj/satellite/reputation"
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)
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// TestAuditSuspendBasic ensures that we can suspend a node using overlayService.SuspendNode and that we can unsuspend a node using overlayservice.UnsuspendNode.
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func TestAuditSuspendBasic(t *testing.T) {
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testplanet.Run(t, testplanet.Config{
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SatelliteCount: 1, StorageNodeCount: 1, UplinkCount: 0,
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}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
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nodeID := planet.StorageNodes[0].ID()
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repService := planet.Satellites[0].Reputation.Service
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oc := planet.Satellites[0].Overlay.DB
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node, err := oc.Get(ctx, nodeID)
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require.NoError(t, err)
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require.Nil(t, node.UnknownAuditSuspended)
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timeToSuspend := time.Now().UTC().Truncate(time.Second)
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err = repService.TestSuspendNodeUnknownAudit(ctx, nodeID, timeToSuspend)
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require.NoError(t, err)
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node, err = oc.Get(ctx, nodeID)
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require.NoError(t, err)
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require.NotNil(t, node.UnknownAuditSuspended)
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require.True(t, node.UnknownAuditSuspended.Equal(timeToSuspend))
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err = repService.TestUnsuspendNodeUnknownAudit(ctx, nodeID)
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require.NoError(t, err)
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node, err = oc.Get(ctx, nodeID)
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require.NoError(t, err)
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require.Nil(t, node.UnknownAuditSuspended)
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})
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}
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// TestAuditSuspendWithUpdateStats ensures that a node goes into suspension node from getting enough unknown audits, and gets removed from getting enough successful audits.
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func TestAuditSuspendWithUpdateStats(t *testing.T) {
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testplanet.Run(t, testplanet.Config{
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SatelliteCount: 1, StorageNodeCount: 1, UplinkCount: 0,
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Reconfigure: testplanet.Reconfigure{
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Satellite: func(log *zap.Logger, index int, config *satellite.Config) {
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config.Reputation.AuditWeight = 1
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config.Reputation.AuditDQ = 0.6
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},
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},
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}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
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nodeID := planet.StorageNodes[0].ID()
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oc := planet.Satellites[0].Overlay.Service
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repService := planet.Satellites[0].Reputation.Service
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node, err := oc.Get(ctx, nodeID)
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require.NoError(t, err)
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require.Nil(t, node.UnknownAuditSuspended)
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testStartTime := time.Now()
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// give node one unknown audit - bringing unknown audit rep to 0.5, and suspending node
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err = repService.ApplyAudit(ctx, nodeID, reputation.AuditUnknown)
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require.NoError(t, err)
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reputationInfo, err := repService.Get(ctx, nodeID)
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require.NoError(t, err)
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// expect unknown audit alpha/beta to change and suspended to be set
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require.True(t, reputationInfo.UnknownAuditReputationAlpha < 1)
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require.True(t, reputationInfo.UnknownAuditReputationBeta > 0)
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require.NotNil(t, reputationInfo.UnknownAuditSuspended)
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require.True(t, reputationInfo.UnknownAuditSuspended.After(testStartTime))
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// expect normal audit alpha/beta remain unchanged
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require.EqualValues(t, reputationInfo.AuditReputationAlpha, 1)
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require.EqualValues(t, reputationInfo.AuditReputationBeta, 0)
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// expect node is not disqualified
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node, err = oc.Get(ctx, nodeID)
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require.NoError(t, err)
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require.Nil(t, node.Disqualified)
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// give node two successful audits - bringing unknown audit rep to 0.75, and unsuspending node
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for i := 0; i < 2; i++ {
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err = repService.ApplyAudit(ctx, nodeID, reputation.AuditSuccess)
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require.NoError(t, err)
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}
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node, err = oc.Get(ctx, nodeID)
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require.NoError(t, err)
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require.Nil(t, node.UnknownAuditSuspended)
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})
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}
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// TestAuditSuspendFailedAudit ensures that a node is not suspended for a failed audit.
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func TestAuditSuspendFailedAudit(t *testing.T) {
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testplanet.Run(t, testplanet.Config{
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SatelliteCount: 1, StorageNodeCount: 1, UplinkCount: 0,
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Reconfigure: testplanet.Reconfigure{
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Satellite: func(log *zap.Logger, index int, config *satellite.Config) {
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},
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},
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}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
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nodeID := planet.StorageNodes[0].ID()
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oc := planet.Satellites[0].Overlay.DB
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repService := planet.Satellites[0].Reputation.Service
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node, err := oc.Get(ctx, nodeID)
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require.NoError(t, err)
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require.Nil(t, node.Disqualified)
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require.Nil(t, node.UnknownAuditSuspended)
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// give node one failed audit - bringing audit rep to 0.5, and disqualifying node
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// expect that suspended field and unknown audit reputation remain unchanged
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err = repService.ApplyAudit(ctx, nodeID, reputation.AuditFailure)
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require.NoError(t, err)
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node, err = oc.Get(ctx, nodeID)
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require.NoError(t, err)
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require.NotNil(t, node.Disqualified)
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require.Nil(t, node.UnknownAuditSuspended)
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reputationInfo, err := repService.Get(ctx, nodeID)
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require.NoError(t, err)
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require.EqualValues(t, reputationInfo.UnknownAuditReputationAlpha, 1)
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require.EqualValues(t, reputationInfo.UnknownAuditReputationBeta, 0)
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})
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}
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// TestAuditSuspendExceedGracePeriod ensures that a node is disqualified when it receives a failing or unknown audit after the grace period expires.
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func TestAuditSuspendExceedGracePeriod(t *testing.T) {
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testplanet.Run(t, testplanet.Config{
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SatelliteCount: 1, StorageNodeCount: 4, UplinkCount: 0,
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Reconfigure: testplanet.Reconfigure{
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Satellite: func(log *zap.Logger, index int, config *satellite.Config) {
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config.Reputation.SuspensionGracePeriod = time.Hour
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},
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},
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}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
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successNodeID := planet.StorageNodes[0].ID()
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failNodeID := planet.StorageNodes[1].ID()
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offlineNodeID := planet.StorageNodes[2].ID()
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unknownNodeID := planet.StorageNodes[3].ID()
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// suspend each node two hours ago (more than grace period)
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repService := planet.Satellites[0].Reputation.Service
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for _, node := range (storj.NodeIDList{successNodeID, failNodeID, offlineNodeID, unknownNodeID}) {
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err := repService.TestSuspendNodeUnknownAudit(ctx, node, time.Now().Add(-2*time.Hour))
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require.NoError(t, err)
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}
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// no nodes should be disqualified
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for _, node := range (storj.NodeIDList{successNodeID, failNodeID, offlineNodeID, unknownNodeID}) {
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n, err := repService.Get(ctx, node)
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require.NoError(t, err)
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require.Nil(t, n.Disqualified)
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}
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// give one node a successful audit, one a failed audit, one an offline audit, and one an unknown audit
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report := audit.Report{
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Successes: storj.NodeIDList{successNodeID},
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Fails: storj.NodeIDList{failNodeID},
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Offlines: storj.NodeIDList{offlineNodeID},
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Unknown: storj.NodeIDList{unknownNodeID},
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}
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auditService := planet.Satellites[0].Audit
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_, err := auditService.Reporter.RecordAudits(ctx, report)
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require.NoError(t, err)
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// success and offline nodes should not be disqualified
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// fail and unknown nodes should be disqualified
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for _, node := range (storj.NodeIDList{successNodeID, offlineNodeID}) {
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n, err := repService.Get(ctx, node)
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require.NoError(t, err)
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require.Nil(t, n.Disqualified)
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}
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for _, node := range (storj.NodeIDList{failNodeID, unknownNodeID}) {
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n, err := repService.Get(ctx, node)
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require.NoError(t, err)
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require.NotNil(t, n.Disqualified)
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}
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})
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}
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// TestAuditSuspendDQDisabled ensures that a node is not disqualified from suspended mode if the suspension DQ enabled flag is false.
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func TestAuditSuspendDQDisabled(t *testing.T) {
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testplanet.Run(t, testplanet.Config{
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SatelliteCount: 1, StorageNodeCount: 4, UplinkCount: 0,
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Reconfigure: testplanet.Reconfigure{
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Satellite: func(log *zap.Logger, index int, config *satellite.Config) {
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config.Reputation.SuspensionGracePeriod = time.Hour
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config.Reputation.SuspensionDQEnabled = false
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},
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},
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}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
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successNodeID := planet.StorageNodes[0].ID()
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failNodeID := planet.StorageNodes[1].ID()
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offlineNodeID := planet.StorageNodes[2].ID()
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unknownNodeID := planet.StorageNodes[3].ID()
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// suspend each node two hours ago (more than grace period)
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oc := planet.Satellites[0].DB.OverlayCache()
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repService := planet.Satellites[0].Reputation.Service
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for _, node := range (storj.NodeIDList{successNodeID, failNodeID, offlineNodeID, unknownNodeID}) {
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err := repService.TestSuspendNodeUnknownAudit(ctx, node, time.Now().Add(-2*time.Hour))
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require.NoError(t, err)
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}
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// no nodes should be disqualified
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for _, node := range (storj.NodeIDList{successNodeID, failNodeID, offlineNodeID, unknownNodeID}) {
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n, err := oc.Get(ctx, node)
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require.NoError(t, err)
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require.Nil(t, n.Disqualified)
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}
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// give one node a successful audit, one a failed audit, one an offline audit, and one an unknown audit
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report := audit.Report{
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Successes: storj.NodeIDList{successNodeID},
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Fails: storj.NodeIDList{failNodeID},
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Offlines: storj.NodeIDList{offlineNodeID},
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Unknown: storj.NodeIDList{unknownNodeID},
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}
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auditService := planet.Satellites[0].Audit
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_, err := auditService.Reporter.RecordAudits(ctx, report)
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require.NoError(t, err)
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// successful node should not be suspended or disqualified
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n, err := oc.Get(ctx, successNodeID)
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require.NoError(t, err)
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require.Nil(t, n.UnknownAuditSuspended)
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require.Nil(t, n.Disqualified)
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// failed node should not be suspended but should be disqualified
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// (disqualified because of a failed audit, not because of exceeding suspension grace period)
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n, err = oc.Get(ctx, failNodeID)
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require.NoError(t, err)
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require.Nil(t, n.UnknownAuditSuspended)
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require.NotNil(t, n.Disqualified)
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// offline node should not be suspended or disqualified
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n, err = oc.Get(ctx, offlineNodeID)
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require.NoError(t, err)
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require.Nil(t, n.UnknownAuditSuspended)
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require.Nil(t, n.Disqualified)
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// unknown node should still be suspended but not disqualified
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n, err = oc.Get(ctx, unknownNodeID)
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require.NoError(t, err)
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require.NotNil(t, n.UnknownAuditSuspended)
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require.Nil(t, n.Disqualified)
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})
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}
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// TestOfflineAuditSuspensionDisabled ensures that a node is not suspended if the offline suspension enabled flag is false.
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func TestOfflineAuditSuspensionDisabled(t *testing.T) {
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testplanet.Run(t, testplanet.Config{
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SatelliteCount: 1, StorageNodeCount: 1, UplinkCount: 0,
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Reconfigure: testplanet.Reconfigure{
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Satellite: func(log *zap.Logger, index int, config *satellite.Config) {
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config.Reputation.AuditHistory.OfflineSuspensionEnabled = false
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config.Reputation.AuditHistory.WindowSize = time.Hour
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config.Reputation.AuditHistory.TrackingPeriod = 2 * time.Hour
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},
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},
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}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
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nodeID := planet.StorageNodes[0].ID()
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oc := planet.Satellites[0].Overlay.DB
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reputationdb := planet.Satellites[0].DB.Reputation()
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config := planet.Satellites[0].Config.Reputation.AuditHistory
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node, err := oc.Get(ctx, nodeID)
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require.NoError(t, err)
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require.Nil(t, node.OfflineSuspended)
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require.Nil(t, node.OfflineUnderReview)
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require.Nil(t, node.Disqualified)
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windowSize := config.WindowSize
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trackingPeriodLength := config.TrackingPeriod
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currentWindow := time.Now()
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req := reputation.UpdateRequest{
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NodeID: nodeID,
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AuditOutcome: reputation.AuditOffline,
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AuditHistory: config,
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}
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// check that unsuspended node does not get suspended
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for i := 0; i <= int(trackingPeriodLength/windowSize); i++ {
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_, _, err = reputationdb.Update(ctx, req, currentWindow)
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require.NoError(t, err)
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currentWindow = currentWindow.Add(windowSize)
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}
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reputationInfo, err := reputationdb.Get(ctx, nodeID)
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require.NoError(t, err)
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require.Nil(t, reputationInfo.OfflineSuspended)
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require.Nil(t, reputationInfo.UnderReview)
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require.Less(t, reputationInfo.OnlineScore, config.OfflineThreshold)
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// check that enabling flag suspends the node
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req.AuditHistory.OfflineSuspensionEnabled = true
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_, _, err = reputationdb.Update(ctx, req, currentWindow)
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require.NoError(t, err)
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reputationInfo, err = reputationdb.Get(ctx, nodeID)
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require.NoError(t, err)
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require.NotNil(t, reputationInfo.OfflineSuspended)
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require.NotNil(t, reputationInfo.UnderReview)
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require.Less(t, reputationInfo.OnlineScore, config.OfflineThreshold)
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// check that disabling flag clears suspension and under review
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req.AuditHistory.OfflineSuspensionEnabled = false
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_, _, err = reputationdb.Update(ctx, req, currentWindow)
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require.NoError(t, err)
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reputationInfo, err = reputationdb.Get(ctx, nodeID)
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require.NoError(t, err)
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require.Less(t, reputationInfo.OnlineScore, config.OfflineThreshold)
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require.Nil(t, reputationInfo.OfflineSuspended)
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require.Nil(t, reputationInfo.UnderReview)
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})
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}
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// TestOfflineSuspend tests that a node enters offline suspension and "under review" when online score passes below threshold.
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// The node should be able to enter and exit suspension while remaining under review.
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// The node should be reinstated if it has a good online score after the review period.
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// The node should be disqualified if it has a bad online score after the review period.
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func TestOfflineSuspend(t *testing.T) {
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testplanet.Run(t, testplanet.Config{
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SatelliteCount: 1, StorageNodeCount: 1, UplinkCount: 0,
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Reconfigure: testplanet.Reconfigure{
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Satellite: func(log *zap.Logger, index int, config *satellite.Config) {
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config.Reputation.AuditHistory.OfflineSuspensionEnabled = false
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config.Reputation.AuditHistory.WindowSize = time.Hour
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config.Reputation.AuditHistory.TrackingPeriod = 2 * time.Hour
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},
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},
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}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
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nodeID := planet.StorageNodes[0].ID()
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reputationdb := planet.Satellites[0].DB.Reputation()
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oc := planet.Satellites[0].DB.OverlayCache()
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node, err := oc.Get(ctx, nodeID)
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require.NoError(t, err)
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require.Nil(t, node.OfflineSuspended)
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require.Nil(t, node.Disqualified)
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updateReq := reputation.UpdateRequest{
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NodeID: nodeID,
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AuditOutcome: reputation.AuditOffline,
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AuditHistory: reputation.AuditHistoryConfig{
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WindowSize: time.Hour,
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TrackingPeriod: 2 * time.Hour,
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GracePeriod: time.Hour,
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OfflineThreshold: 0.6,
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OfflineDQEnabled: true,
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OfflineSuspensionEnabled: true,
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},
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AuditLambda: 0.95,
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AuditWeight: 1,
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AuditDQ: 0.6,
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SuspensionGracePeriod: time.Hour,
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SuspensionDQEnabled: true,
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AuditsRequiredForVetting: 0,
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}
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// give node an offline audit
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// node's score is still 1 until its first window is complete
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nextWindowTime := time.Now()
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_, _, err = reputationdb.Update(ctx, updateReq, nextWindowTime)
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require.NoError(t, err)
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reputationInfo, err := reputationdb.Get(ctx, nodeID)
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require.NoError(t, err)
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require.Nil(t, reputationInfo.OfflineSuspended)
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require.Nil(t, reputationInfo.UnderReview)
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require.Nil(t, reputationInfo.Disqualified)
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require.EqualValues(t, 1, reputationInfo.OnlineScore)
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nextWindowTime = nextWindowTime.Add(updateReq.AuditHistory.WindowSize)
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// node now has one full window, so its score should be 0
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// should not be suspended or DQ since it only has 1 window out of 2 for tracking period
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_, _, err = reputationdb.Update(ctx, updateReq, nextWindowTime)
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require.NoError(t, err)
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reputationInfo, err = reputationdb.Get(ctx, nodeID)
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require.NoError(t, err)
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require.Nil(t, reputationInfo.OfflineSuspended)
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require.Nil(t, reputationInfo.UnderReview)
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require.Nil(t, reputationInfo.Disqualified)
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require.EqualValues(t, 0, reputationInfo.OnlineScore)
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nextWindowTime = nextWindowTime.Add(updateReq.AuditHistory.WindowSize)
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nextWindowTime, err = setOnlineScore(ctx, updateReq, 0.5, time.Hour, nextWindowTime, reputationdb)
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require.NoError(t, err)
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// node should be offline suspended and under review
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reputationInfo, err = reputationdb.Get(ctx, nodeID)
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require.NoError(t, err)
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require.NotNil(t, reputationInfo.OfflineSuspended)
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require.NotNil(t, reputationInfo.UnderReview)
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require.Nil(t, node.Disqualified)
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require.EqualValues(t, 0.5, reputationInfo.OnlineScore)
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// set online score to be good, but use a long grace period so that node remains under review
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nextWindowTime, err = setOnlineScore(ctx, updateReq, 1, 100*time.Hour, nextWindowTime, reputationdb)
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require.NoError(t, err)
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reputationInfo, err = reputationdb.Get(ctx, nodeID)
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require.NoError(t, err)
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require.Nil(t, reputationInfo.OfflineSuspended)
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require.NotNil(t, reputationInfo.UnderReview)
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require.Nil(t, reputationInfo.Disqualified)
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oldUnderReview := reputationInfo.UnderReview
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require.EqualValues(t, 1, reputationInfo.OnlineScore)
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// suspend again, under review should be the same
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nextWindowTime, err = setOnlineScore(ctx, updateReq, 0.5, 100*time.Hour, nextWindowTime, reputationdb)
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require.NoError(t, err)
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reputationInfo, err = reputationdb.Get(ctx, nodeID)
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require.NoError(t, err)
|
|
require.NotNil(t, reputationInfo.OfflineSuspended)
|
|
require.NotNil(t, reputationInfo.UnderReview)
|
|
require.Nil(t, node.Disqualified)
|
|
require.Equal(t, oldUnderReview, reputationInfo.UnderReview)
|
|
require.EqualValues(t, 0.5, reputationInfo.OnlineScore)
|
|
|
|
// node will exit review after grace period + 1 tracking window, so set grace period to be time since put under review
|
|
// subtract one hour so that review window ends when setOnlineScore adds the last window
|
|
gracePeriod := nextWindowTime.Sub(*reputationInfo.UnderReview) - time.Hour
|
|
nextWindowTime, err = setOnlineScore(ctx, updateReq, 1, gracePeriod, nextWindowTime, reputationdb)
|
|
require.NoError(t, err)
|
|
|
|
reputationInfo, err = reputationdb.Get(ctx, nodeID)
|
|
require.NoError(t, err)
|
|
require.Nil(t, reputationInfo.OfflineSuspended)
|
|
require.Nil(t, reputationInfo.UnderReview)
|
|
require.Nil(t, reputationInfo.Disqualified)
|
|
require.EqualValues(t, 1, reputationInfo.OnlineScore)
|
|
|
|
// put into suspension and under review again
|
|
nextWindowTime, err = setOnlineScore(ctx, updateReq, 0.5, 100*time.Hour, nextWindowTime, reputationdb)
|
|
require.NoError(t, err)
|
|
|
|
reputationInfo, err = reputationdb.Get(ctx, nodeID)
|
|
require.NoError(t, err)
|
|
require.NotNil(t, reputationInfo.OfflineSuspended)
|
|
require.NotNil(t, reputationInfo.UnderReview)
|
|
require.Nil(t, node.Disqualified)
|
|
require.EqualValues(t, 0.5, reputationInfo.OnlineScore)
|
|
|
|
// if grace period + 1 tracking window passes and online score is still bad, expect node to be DQed
|
|
_, err = setOnlineScore(ctx, updateReq, 0.5, 0, nextWindowTime, reputationdb)
|
|
require.NoError(t, err)
|
|
|
|
reputationInfo, err = reputationdb.Get(ctx, nodeID)
|
|
require.NoError(t, err)
|
|
require.NotNil(t, reputationInfo.OfflineSuspended)
|
|
require.NotNil(t, reputationInfo.UnderReview)
|
|
require.NotNil(t, reputationInfo.Disqualified)
|
|
require.EqualValues(t, 0.5, reputationInfo.OnlineScore)
|
|
})
|
|
}
|
|
|
|
func setOnlineScore(ctx context.Context, reqPtr reputation.UpdateRequest, desiredScore float64, gracePeriod time.Duration, startTime time.Time, reputationdb reputation.DB) (nextWindowTime time.Time, err error) {
|
|
// for our tests, we are only using values of 1 and 0.5, so two audits per window is sufficient
|
|
totalAudits := 2
|
|
onlineAudits := int(float64(totalAudits) * desiredScore)
|
|
nextWindowTime = startTime
|
|
|
|
windowsPerTrackingPeriod := int(reqPtr.AuditHistory.TrackingPeriod.Seconds() / reqPtr.AuditHistory.WindowSize.Seconds())
|
|
for window := 0; window < windowsPerTrackingPeriod+1; window++ {
|
|
for i := 0; i < totalAudits; i++ {
|
|
updateReq := reqPtr
|
|
updateReq.AuditOutcome = reputation.AuditSuccess
|
|
if i >= onlineAudits {
|
|
updateReq.AuditOutcome = reputation.AuditOffline
|
|
}
|
|
updateReq.AuditHistory.GracePeriod = gracePeriod
|
|
|
|
_, _, err = reputationdb.Update(ctx, updateReq, nextWindowTime)
|
|
if err != nil {
|
|
return nextWindowTime, err
|
|
}
|
|
}
|
|
// increment nextWindowTime so in the next iteration, we are adding to a different window
|
|
nextWindowTime = nextWindowTime.Add(reqPtr.AuditHistory.WindowSize)
|
|
}
|
|
return nextWindowTime, err
|
|
}
|