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Add support to specify metric name for stress #43

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Add support to specify metric name for stress #43

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54 changes: 34 additions & 20 deletions cmd/thanosbench/stress.go
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Original file line number Diff line number Diff line change
Expand Up @@ -26,11 +26,34 @@ var (
maxTime = timestamp.FromTime(time.Unix(math.MaxInt64/1000-62135596801, 999999999))
)

func getMetricsFromStore(ctx context.Context, timeout *time.Duration, c storepb.StoreClient) ([]string, error) {
lblvlsCtx, lblvlsCancel := context.WithTimeout(ctx, *timeout)
defer lblvlsCancel()

labelvaluesResp, err := c.LabelValues(lblvlsCtx, &storepb.LabelValuesRequest{
Label: labels.MetricName,
Start: minTime,
End: maxTime,
})
if err != nil {
return nil, err
}
if len(labelvaluesResp.Warnings) > 0 {
return nil, errors.New(fmt.Sprintf("got %#v warnings from LabelValues() call", labelvaluesResp.Warnings))
}
labelvalues := labelvaluesResp.Values
if len(labelvalues) == 0 {
return nil, errors.New("the StoreAPI responded with zero metric names")
}
return labelvalues, nil
}

func registerStress(m map[string]setupFunc, app *kingpin.Application) {
cmd := app.Command("stress", "Stress tests a remote StoreAPI.")
workers := cmd.Flag("workers", "Number of go routines for stress testing.").Required().Int()
timeout := cmd.Flag("timeout", "Timeout of each operation").Default("60s").Duration()
lookback := cmd.Flag("query.look-back", "How much time into the past at max we should look back").Default("300h").Duration()
userSpecifiedMetrics := cmd.Flag("metric-name", "Metric to query for").Strings()
target := cmd.Arg("target", "IP:PORT pair of the target to stress.").Required().TCP()

// TODO(GiedriusS): send other requests like Info() as well.
Expand All @@ -43,28 +66,19 @@ func registerStress(m map[string]setupFunc, app *kingpin.Application) {
return err
}
defer conn.Close()
c := storepb.NewStoreClient(conn)

lblvlsCtx, lblvlsCancel := context.WithTimeout(mainCtx, *timeout)
defer lblvlsCancel()
c := storepb.NewStoreClient(conn)
errg, errCtx := errgroup.WithContext(mainCtx)

labelvaluesResp, err := c.LabelValues(lblvlsCtx, &storepb.LabelValuesRequest{
Label: labels.MetricName,
Start: minTime,
End: maxTime,
})
if err != nil {
return err
}
if len(labelvaluesResp.Warnings) > 0 {
return errors.New(fmt.Sprintf("got %#v warnings from LabelValues() call", labelvaluesResp.Warnings))
var metrics []string
if *userSpecifiedMetrics != nil && len(*userSpecifiedMetrics) != 0 {
metrics = *userSpecifiedMetrics
} else {
metrics, err = getMetricsFromStore(mainCtx, timeout, c)
if err != nil {
return err
}
}
labelvalues := labelvaluesResp.Values
if len(labelvalues) == 0 {
return errors.New("the StoreAPI responded with zero metric names")
}

errg, errCtx := errgroup.WithContext(mainCtx)

for i := 0; i < *workers; i++ {
errg.Go(func() error {
Expand All @@ -78,7 +92,7 @@ func registerStress(m map[string]setupFunc, app *kingpin.Application) {
opCtx, cancel := context.WithTimeout(errCtx, *timeout)
defer cancel()

randomMetric := labelvalues[rand.Intn(len(labelvalues))]
randomMetric := metrics[rand.Intn(len(metrics))]
max := time.Now().Unix()
min := time.Now().Unix() - rand.Int63n(int64(lookback.Seconds()))

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