148 lines
6.8 KiB
Go
148 lines
6.8 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package downtime_test
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import (
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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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"golang.org/x/sync/errgroup"
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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/downtime"
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)
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// TestEstimationChoreBasic tests the basic functionality of the downtime estimation chore:
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// 1. Test that when a node that had one failed ping, and one successful ping >1s later does not have recorded downtime
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// 2. Test that when a node that had one failed ping, and another failed ping >1s later has at least 1s of recorded downtime
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func TestEstimationChoreBasic(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.Downtime.EstimationBatchSize = 1
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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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node := planet.StorageNodes[0]
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satellite := planet.Satellites[0]
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node.Contact.Chore.Pause(ctx)
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satellite.DowntimeTracking.EstimationChore.Loop.Pause()
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{ // test estimation chore updates uptime correctly for an online node
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// mark node as failing an uptime check so the estimation chore picks it up
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_, err := satellite.DB.OverlayCache().UpdateUptime(ctx, node.ID(), false)
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require.NoError(t, err)
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oldNode, err := satellite.DB.OverlayCache().Get(ctx, node.ID())
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require.NoError(t, err)
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require.True(t, oldNode.Reputation.LastContactSuccess.Before(oldNode.Reputation.LastContactFailure))
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// run estimation chore
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time.Sleep(1 * time.Second) // wait for 1s because estimation chore truncates offline duration to seconds
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satellite.DowntimeTracking.EstimationChore.Loop.TriggerWait()
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// get offline time for node, expect it to be 0 since node was online when chore pinged it
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downtime, err := satellite.DB.DowntimeTracking().GetOfflineTime(ctx, node.ID(), time.Now().Add(-5*time.Hour), time.Now())
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require.NoError(t, err)
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require.True(t, downtime == 0)
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// expect node last contact success was updated
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newNode, err := satellite.DB.OverlayCache().Get(ctx, node.ID())
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require.NoError(t, err)
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require.Equal(t, oldNode.Reputation.LastContactFailure, newNode.Reputation.LastContactFailure)
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require.True(t, oldNode.Reputation.LastContactSuccess.Before(newNode.Reputation.LastContactSuccess))
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require.True(t, newNode.Reputation.LastContactFailure.Before(newNode.Reputation.LastContactSuccess))
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}
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{ // test estimation chore correctly aggregates offline time
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// mark node as failing an uptime check so the estimation chore picks it up
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_, err := satellite.DB.OverlayCache().UpdateUptime(ctx, node.ID(), false)
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require.NoError(t, err)
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oldNode, err := satellite.DB.OverlayCache().Get(ctx, node.ID())
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require.NoError(t, err)
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require.True(t, oldNode.Reputation.LastContactSuccess.Before(oldNode.Reputation.LastContactFailure))
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// close the node service so the ping back will fail
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err = node.Server.Close()
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require.NoError(t, err)
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// run estimation chore
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time.Sleep(1 * time.Second) // wait for 1s because estimation chore truncates offline duration to seconds
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satellite.DowntimeTracking.EstimationChore.Loop.TriggerWait()
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// get offline time for node, expect it to be greater than 0 since node has been offline for at least 1s
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downtime, err := satellite.DB.DowntimeTracking().GetOfflineTime(ctx, node.ID(), time.Now().Add(-5*time.Hour), time.Now())
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require.NoError(t, err)
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require.True(t, downtime > 0)
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// expect node last contact failure was updated
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newNode, err := satellite.DB.OverlayCache().Get(ctx, node.ID())
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require.NoError(t, err)
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require.Equal(t, oldNode.Reputation.LastContactSuccess, newNode.Reputation.LastContactSuccess)
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require.True(t, oldNode.Reputation.LastContactFailure.Before(newNode.Reputation.LastContactFailure))
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}
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})
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}
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// TestEstimationChoreSatelliteDowntime tests the situation where downtime is estimated when the satellite was started after the last failed ping
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// If a storage node has a failed ping, then another ping fails later, the estimation chore will normally take the difference between these pings and record that as the downtime.
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// If the satellite was started between the old failed ping and the new failed ping, we do not want to risk including satellite downtime in our calculation - no downtime should be recorded in this case.
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func TestEstimationChoreSatelliteDowntime(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.Downtime.EstimationBatchSize = 1
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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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node := planet.StorageNodes[0]
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satellite := planet.Satellites[0]
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node.Contact.Chore.Pause(ctx)
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satellite.DowntimeTracking.EstimationChore.Loop.Pause()
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// mark node as failing an uptime check so the estimation chore picks it up
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_, err := satellite.DB.OverlayCache().UpdateUptime(ctx, node.ID(), false)
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require.NoError(t, err)
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oldNode, err := satellite.DB.OverlayCache().Get(ctx, node.ID())
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require.NoError(t, err)
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require.True(t, oldNode.Reputation.LastContactSuccess.Before(oldNode.Reputation.LastContactFailure))
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// close the node service so the ping back will fail
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err = node.Server.Close()
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require.NoError(t, err)
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// create new estimation chore that starts after the node's last contacted time
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newEstimationChore := downtime.NewEstimationChore(
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satellite.Log,
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downtime.Config{
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EstimationInterval: 1 * time.Second,
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EstimationBatchSize: 10,
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},
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satellite.Overlay.Service,
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satellite.DowntimeTracking.Service,
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satellite.DB.DowntimeTracking(),
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)
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time.Sleep(1 * time.Second) // wait for 1s because estimation chore truncates offline duration to seconds
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var group errgroup.Group
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group.Go(func() error {
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return newEstimationChore.Run(ctx)
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})
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defer func() {
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err = newEstimationChore.Close()
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require.NoError(t, err)
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err = group.Wait()
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require.NoError(t, err)
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}()
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newEstimationChore.Loop.TriggerWait()
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// since the estimation chore was started after the last ping, the node's offline time should be 0
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downtime, err := satellite.DB.DowntimeTracking().GetOfflineTime(ctx, node.ID(), time.Now().Add(-5*time.Hour), time.Now())
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require.NoError(t, err)
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require.EqualValues(t, downtime, 0)
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// expect node last contact failure was updated
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newNode, err := satellite.DB.OverlayCache().Get(ctx, node.ID())
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require.NoError(t, err)
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require.Equal(t, oldNode.Reputation.LastContactSuccess, newNode.Reputation.LastContactSuccess)
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require.True(t, oldNode.Reputation.LastContactFailure.Before(newNode.Reputation.LastContactFailure))
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})
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}
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