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c13300
+= int64(sample) * int64(1/sampleRate) }
c13301
float64(c.value), Tags: tags, Type: CounterMetric, Sinks: routeInfo(tags), }} }
c13302
metricpb.Type_Counter, Value: &metricpb.Metric_Counter{&metricpb.CounterValue{Value: c.value}}, }, nil }
c13303
{ c.value += v.Value }
c13304
&Counter{Name: Name, Tags: Tags} }
c13305
float64(g.value), Tags: tags, Type: GaugeMetric, Sinks: routeInfo(tags), }} }
c13306
JSONMetric{}, err } return JSONMetric{ MetricKey: MetricKey{ Name: g.Name, Type: "gauge", JoinedTags: strings.Join(g.Tags, ","), }, Tags: g.Tags, Value: buf.Bytes(), }, nil }
c13307
metricpb.Type_Gauge, Value: &metricpb.Metric_Gauge{&metricpb.GaugeValue{Value: g.value}}, }, nil }
c13308
{ g.value = v.Value }
c13309
s.Type = StatusMetric s.Sinks = routeInfo(s.Tags) return []InterMetric{s.InterMetric} }
c13310
return JSONMetric{}, err } return JSONMetric{ MetricKey: MetricKey{ Name: s.Name, Type: "status", JoinedTags: strings.Join(s.Tags, ","), }, Tags: s.Tags, Value: buf.Bytes(), }, nil }
c13311
s.Hll.Insert([]byte(sample)) }
c13312
// TODO: this is the maximum precision, should it be configurable? Hll := hyperloglog.New() return &Set{ Name: Name, Tags: Tags, Hll: Hll, } }
c13313
float64(s.Hll.Estimate()), Tags: tags, Type: GaugeMetric, Sinks: routeInfo(tags), }} }
c13314
s.Name, Type: "set", JoinedTags: strings.Join(s.Tags, ","), }, Tags: s.Tags, Value: val, }, nil }
c13315
Tags: s.Tags, Type: metricpb.Type_Set, Value: &metricpb.Metric_Set{&metricpb.SetValue{HyperLogLog: encoded}}, }, nil }
c13316
s.Combine(v.HyperLogLog) }
c13317
h.LocalMax = math.Max(h.LocalMax, sample) h.LocalSum += sample * weight h.LocalReciprocalSum += (1 / sample) * weight }
c13318
tdigest.NewMerging(100, false), LocalMin: math.Inf(+1), LocalMax: math.Inf(-1), LocalSum: 0, } }
c13319
h.Name, Type: "histogram", JoinedTags: strings.Join(h.Tags, ","), }, Tags: h.Tags, Value: val, }, nil }
c13320
h.Tags, Type: metricpb.Type_Histogram, Value: &metricpb.Metric_Histogram{&metricpb.HistogramValue{ TDigest: h.Value.Data(), }}, }, nil }
c13321
h.Value.Merge(tdigest.NewMergingFromData(v.TDigest)) } }
c13322
return metricpb.Scope_Local case GlobalOnly: return metricpb.Scope_Global } return 0 }
c13323
return LocalOnly case metricpb.Scope_Mixed: return MixedScope } return 0 }
c13324
strings.ToLower(m.Type.String()), JoinedTags: strings.Join(m.Tags, ","), } }
c13325
buff.WriteString(m.Type) buff.WriteString(m.JoinedTags) return buff.String() }
c13326
invalid = append(invalid, metricPacket) continue } metrics = append(metrics, metric) } if len(invalid) != 0 { return metrics, &invalidMetrics{invalid} } return metrics, nil }
c13327
ret = ret && sample.Value != nil return ret }
c13328
} ret.SampleRate = metric.SampleRate tempTags := make([]string, 0, len(metric.Tags)) for key, value := range metric.Tags { if key == "veneurlocalonly" { ret.Scope = LocalOnly continue } if key == "veneurglobalonly" { ret.Scope = GlobalOnly continue } tempTags = append(tempTags, key+":"+value) ...
c13329
*options) { opts.forwardTimeout = d } }
c13330
*options) { opts.log = e } }
c13331
*options) { opts.statsInterval = d } }
c13332
*options) { opts.traceClient = c } }
c13333
TsvMetricType: metricType, TsvInterval: strconv.Itoa(interval), TsvVeneurHostname: hostName, TsvValue: strconv.FormatFloat(metricValue, 'f', -1, 64), TsvTimestamp: time.Unix(d.Timestamp, 0).UTC().Format(RedshiftDateFormat), // TODO avoid edge case at midnight TsvPartition: partitionDat...
c13334
ioutil.Discard res.opts.log = logrus.NewEntry(log) } if err := res.SetDestinations(destinations); err != nil { return nil, fmt.Errorf("failed to set the destinations: %v", err) } forwardrpc.RegisterForwardServer(res.Server, res) return res, nil }
c13335
// create a connection for each destination for _, dest := range new { if err := s.conns.Add(dest); err != nil { return fmt.Errorf("failed to setup a connection for the "+ "destination '%s': %v", dest, err) } } s.destinations = dests return nil }
c13336
1) _ = s.sendMetrics(context.Background(), mlist) atomic.AddInt64(s.activeProxyHandlers, -1) }() return &empty.Empty{}, nil }
c13337
return "", fmt.Errorf("failed to hash the MetricKey '%s' to a "+ "destination: %v", key.String(), err) } return dest, nil }
c13338
err = c.SendMetrics(ctx, &forwardrpc.MetricList{Metrics: ms}) if err != nil { return fmt.Errorf("failed to send %d metrics over gRPC: %v", len(ms), err) } _ = metrics.ReportBatch(s.opts.traceClient, ssf.RandomlySample(0.1, ssf.Count("metrics_by_destination", float32(len(ms)), map[string]string{"destinati...
c13339
ssf.Gauge("proxy.active_goroutines", float32(atomic.LoadInt64(s.activeProxyHandlers)), globalProtocolTags)) }
c13340
(cause=%s, metrics=%d): %v", e.msg, e.cause, e.numMetrics, e.err) }
c13341
ssf.Count("proxy.proxied_metrics_failed", float32(e.numMetrics), tags), ssf.Count("proxy.forward_errors", 1, tags), ) }
c13342
for i, err := range errs[:len(strs)] { strs[i] = err.Error() } // If there are errors that weren't printed, add a message to the end str := strings.Join(strs, "\n * ") if len(strs) < len(errs) { str += fmt.Sprintf("\nand %d more...", len(errs)-len(strs)) } return str }
c13343
packetPool) return b default: panic(fmt.Sprintf("Can't listen on %v: only TCP, UDP and unixgram:// are supported", a)) } }
c13344
if err != nil { // if any goroutine fails to create the socket, we can't really // recover, so we just blow up // this probably indicates a systemic issue, eg lack of // SO_REUSEPORT support panic(fmt.Sprintf("couldn't listen on UDP socket %v: %v", addr, err)) } // Pass the address that we ar...
c13345
} go func() { defer func() { lock.Unlock() close(done) }() for { _, open := <-s.shutdown // occurs when cleanly shutting down the server e.g. in tests; ignore errors if !open { conn.Close() return } } }() for i := 0; i < s.numReaders; i++ { go s.ReadStatsdDatagramSocket(conn, pa...
c13346
& unix:// are supported", a)) } log.WithFields(logrus.Fields{ "address": a.String(), "network": a.Network(), }).Info("Listening for SSF traces") return a }
c13347
if err != nil { select { case <-s.shutdown: // occurs when cleanly shutting down the server e.g. in tests; ignore errors log.WithError(err).Info("Ignoring Accept error while shutting down") return default: log.WithError(err).Fatal("Unix accept failed") } } conns ...
c13348
the lock %q to listen on %v: %v", lockname, addr, err)) } if !locked { panic(fmt.Sprintf("Lock file %q for %v is in use by another process already", lockname, addr)) } // We have the exclusive use of the socket, clear away any old sockets and listen: _ = os.Remove(addr.String()) return lock }
c13349
clone := textMapReaderWriter(map[string]string{}) t.CloneTo(clone) return clone }
c13350
string) error { w.Set(k, v) return nil }) }
c13351
nil { // TODO handle err return true } val = i return false } return true }) return val }
c13352
ResourceKey { resource = v return false } return true }) return resource }
c13353
s.ClientFinishWithOptions(cl, opentracing.FinishOptions{ FinishTime: time.Now(), LogRecords: nil, BulkLogData: nil, }) }
c13354
s.ClientFinishWithOptions(DefaultClient, opts) }
c13355
} // TODO remove the name tag from the slice of tags s.recordErr = s.ClientRecord(cl, s.Name, s.Tags) }
c13356
opentracing.Span { s.Trace.Resource = name return s }
c13357
fmt.Stringer: val = v.String() default: // TODO maybe just ban non-strings? val = fmt.Sprintf("%#v", value) } s.Tags[key] = val return s }
c13358
opentracing.ContextWithSpan(ctx, s) }
c13359
{ // TODO mutex this s.logLines = append(s.logLines, fields...) }
c13360
opentracing.Span { s.contextAsParent().baggageItems[restrictedKey] = value return s }
c13361
s.contextAsParent().baggageItems[restrictedKey] }
c13362
func(sso *opentracing.StartSpanOptions) { sso.StartTime = t }, } }
c13363
return tracer.InjectHeader(t, req.Header) }
c13364
tracer.Inject(t.context(), opentracing.HTTPHeaders, carrier) }
c13365
if err != nil { return nil, err } parent := parentSpan.(*spanContext) t := StartChildSpan(&Trace{ SpanID: parent.SpanID(), TraceID: parent.TraceID(), ParentID: parent.ParentID(), Resource: resource, }) t.Name = name return &Span{ tracer: tracer, Trace: t, }, nil }
c13366
TsvTimestamp.String(), TsvPartition: TsvPartition.String(), } w.Write(headers[:]) } // TODO avoid edge case at midnight partitionDate := time.Now() for _, metric := range metrics { EncodeInterMetricCSV(metric, w, &partitionDate, hostname, interval) } w.Flush() gzw.Close() return bytes.NewRead...
c13367
buf: buf, delim: delim, } }
c13368
no newline, consume the entire buffer sb.currentChunk = sb.buf sb.buf = nil sb.lastChunk = true } else { sb.currentChunk = sb.buf[:next] sb.buf = sb.buf[next+1:] } return true }
c13369
receive until the gRPC connection // state changes. When it does, flip the marker over to allow another // error to be logged from Ingest(). gs.grpcConn.WaitForStateChange(ocontext.Background(), gs.grpcConn.GetState()) atomic.StoreUint32(&gs.loggedSinceTransition, 0) } }() return nil }
c13370
|| atomic.CompareAndSwapUint32(&gs.loggedSinceTransition, 0, 1) { gs.log.WithFields(logrus.Fields{ logrus.ErrorKey: err, "target": gs.target, "name": gs.name, "chanstate": state.String(), "code": serr.Code(), "details": serr.Details(), "message": ...
c13371
c.authHeader()} req.r, req.w = io.Pipe() return req }
c13372
return &httpClientTracer{ prefix: prefix, traceClient: tc, mutex: &sync.Mutex{}, ctx: ctx, currentSpan: span, } }
c13373
ConnectStart: hct.connectStart, WroteHeaders: hct.wroteHeaders, WroteRequest: hct.wroteRequest, } }
c13374
newSpan, _ := trace.StartSpanFromContext(hct.ctx, name) hct.currentSpan.ClientFinish(hct.traceClient) hct.currentSpan = newSpan return newSpan }
c13375
hct.currentSpan.ClientFinish(hct.traceClient) }
c13376
// Set the sample threshold to (sample rate) * (maximum value of uint32), so that // we can store it as a uint32 instead of a float64 and compare apples-to-apples // with the output of our hashing algorithm. sampleThreshold = uint32(sampleRatePercentage * math.MaxUint32 / 100) // Build a regex for cleaning name...
c13377
if err != nil { return err } conn, err := net.DialUDP("udp", nil, xrayDaemon) if err != nil { return err } x.conn = conn return nil }
c13378
metrics.ReportBatch(x.traceClient, []*ssf.SSFSample{ ssf.Count(sinks.MetricKeyTotalSpansFlushed, float32(atomic.SwapInt64(&x.spansHandled, 0)), map[string]string{"sink": x.Name()}), ssf.Count(sinks.MetricKeyTotalSpansDropped, float32(atomic.SwapInt64(&x.spansDropped, 0)), map[string]string{"sink": x.Name()}), })...
c13379
ReportBatch(cl, samples.Batch) }
c13380
error { return ReportAsync(cl, samples, nil) }
c13381
ReportAsync(cl, []*ssf.SSFSample{metric}, nil) }
c13382
t.End = time.Now() } }
c13383
if t.End.IsZero() { return -1 } return t.End.Sub(t.Start) }
c13384
return err } _, err = w.Write(packet) return err }
c13385
t.ClientRecord(DefaultClient, name, tags) }
c13386
} if name == "" { name = t.Name } span := t.SSFSpan() span.Name = name return Record(cl, span, t.Sent) }
c13387
context.WithValue(c, traceKey, t) }
c13388
*traceID, SpanID: *traceID, ParentID: 0, Resource: resource, Tags: map[string]string{}, } t.Start = time.Now() return t }
c13389
} span.SetParent(parent) span.Start = time.Now() return span }
c13390
eventTopic, "metric_topic": metricTopic, "partitioner": partitioner, "ack_requirement": ackRequirement, "max_retries": retries, "buffer_bytes": bufferBytes, "buffer_messages": bufferMessages, "buffer_duration": bufferDuration, }).Info("Created Kafka metric sink") return &KafkaMetricSi...
c13391
Kafka") producer, err := sarama.NewAsyncProducer(brokerList, config) if err != nil { logger.Error("Error Connecting to Kafka. client error: ", err) } return producer, nil }
c13392
metric.Name) samples.Add(ssf.Count("kafka.marshal.error_total", 1, nil)) return err } k.producer.Input() <- &sarama.ProducerMessage{ Topic: k.metricTopic, Value: sarama.StringEncoder(j), } successes++ } samples.Add(ssf.Count(sinks.MetricKeyTotalMetricsFlushed, float32(successes), map[string]stri...
c13393
if bufferDuration != "" { var err error finalBufferDuration, err = time.ParseDuration(bufferDuration) if err != nil { return nil, err } } config, _ := newProducerConfig(ll, ackRequirement, partitioner, retries, bufferBytes, bufferMessages, finalBufferDuration) ll.WithFields(logrus.Fields{ "brokers": ...
c13394
ssf.Count(sinks.MetricKeyTotalSpansFlushed, float32(atomic.LoadInt64(&k.spansFlushed)), map[string]string{"sink": k.Name()})) atomic.SwapInt64(&k.spansFlushed, 0) }
c13395
&options{}, } for _, opt := range opts { opt(res.opts) } if res.opts.traceClient == nil { res.opts.traceClient = trace.DefaultClient } forwardrpc.RegisterForwardServer(res.Server, res) return res }
c13396
map[samplers.MetricKey]*samplers.Set{}, timers: map[samplers.MetricKey]*samplers.Histo{}, localHistograms: map[samplers.MetricKey]*samplers.Histo{}, localSets: map[samplers.MetricKey]*samplers.Set{}, localTimers: map[samplers.MetricKey]*samplers.Histo{}, localStatusChecks: ma...
c13397
exp.GetName(), }).Error("Could not export metric") metrics.ReportOne(cl, ssf.Count("worker_metrics.export_metric.errors", 1, map[string]string{ "type": mType.String(), }), ) return res } m.Type = mType return append(res, m) }
c13398
0, mutex: &sync.Mutex{}, traceClient: cl, logger: logger, wm: NewWorkerMetrics(), stats: stats, } }
c13399
defer w.mutex.Unlock() return w.processed }