Examples with SPANLOGS_DISABLED com.wavefront.agent.listeners.FeatureCheckUtils.SPANLOGS_DISABLED used on opensource projects

Example 1 with SPANLOGS_DISABLED

use of com.wavefront.agent.listeners.FeatureCheckUtils.SPANLOGS_DISABLED in project java by wavefrontHQ.

the class RelayPortUnificationHandler method handleHttpMessage.

@Override
protected void handleHttpMessage(final ChannelHandlerContext ctx, final FullHttpRequest request) {
    URI uri = URI.create(request.uri());
    StringBuilder output = new StringBuilder();
    String path = uri.getPath();
    final boolean isDirectIngestion = path.startsWith("/report");
    if (path.endsWith("/checkin") && (path.startsWith("/api/daemon") || path.contains("wfproxy"))) {
        // simulate checkin response for proxy chaining
        ObjectNode jsonResponse = JsonNodeFactory.instance.objectNode();
        jsonResponse.put("currentTime", Clock.now());
        jsonResponse.put("allowAnyHostKeys", true);
        writeHttpResponse(ctx, HttpResponseStatus.OK, jsonResponse, request);
        return;
    }
    String format = URLEncodedUtils.parse(uri, CharsetUtil.UTF_8).stream().filter(x -> x.getName().equals("format") || x.getName().equals("f")).map(NameValuePair::getValue).findFirst().orElse(Constants.PUSH_FORMAT_WAVEFRONT);
    // Return HTTP 200 (OK) for payloads received on the proxy endpoint
    // Return HTTP 202 (ACCEPTED) for payloads received on the DDI endpoint
    // Return HTTP 204 (NO_CONTENT) for payloads received on all other endpoints
    HttpResponseStatus okStatus;
    if (isDirectIngestion) {
        okStatus = HttpResponseStatus.ACCEPTED;
    } else if (path.contains("/pushdata/") || path.contains("wfproxy/report")) {
        okStatus = HttpResponseStatus.OK;
    } else {
        okStatus = HttpResponseStatus.NO_CONTENT;
    }
    HttpResponseStatus status;
    switch(format) {
        case Constants.PUSH_FORMAT_HISTOGRAM:
            if (isFeatureDisabled(histogramDisabled, HISTO_DISABLED, discardedHistograms.get(), output, request)) {
                status = HttpResponseStatus.FORBIDDEN;
                break;
            }
        case Constants.PUSH_FORMAT_WAVEFRONT:
        case Constants.PUSH_FORMAT_GRAPHITE_V2:
            AtomicBoolean hasSuccessfulPoints = new AtomicBoolean(false);
            try {
                // noinspection unchecked
                ReportableEntityDecoder<String, ReportPoint> histogramDecoder = (ReportableEntityDecoder<String, ReportPoint>) decoders.get(ReportableEntityType.HISTOGRAM);
                Splitter.on('\n').trimResults().omitEmptyStrings().split(request.content().toString(CharsetUtil.UTF_8)).forEach(message -> {
                    DataFormat dataFormat = DataFormat.autodetect(message);
                    switch(dataFormat) {
                        case EVENT:
                            wavefrontHandler.reject(message, "Relay port does not support " + "event-formatted data!");
                            break;
                        case SOURCE_TAG:
                            wavefrontHandler.reject(message, "Relay port does not support " + "sourceTag-formatted data!");
                            break;
                        case HISTOGRAM:
                            if (isFeatureDisabled(histogramDisabled, HISTO_DISABLED, discardedHistograms.get(), output)) {
                                break;
                            }
                            preprocessAndHandlePoint(message, histogramDecoder, histogramHandlerSupplier.get(), preprocessorSupplier, ctx, "histogram");
                            hasSuccessfulPoints.set(true);
                            break;
                        default:
                            // only apply annotator if point received on the DDI endpoint
                            message = annotator != null && isDirectIngestion ? annotator.apply(ctx, message) : message;
                            preprocessAndHandlePoint(message, wavefrontDecoder, wavefrontHandler, preprocessorSupplier, ctx, "metric");
                            hasSuccessfulPoints.set(true);
                            break;
                    }
                });
                status = hasSuccessfulPoints.get() ? okStatus : HttpResponseStatus.BAD_REQUEST;
            } catch (Exception e) {
                status = HttpResponseStatus.BAD_REQUEST;
                output.append(errorMessageWithRootCause(e));
                logWarning("WF-300: Failed to handle HTTP POST", e, ctx);
            }
            break;
        case Constants.PUSH_FORMAT_TRACING:
            if (isFeatureDisabled(traceDisabled, SPAN_DISABLED, discardedSpans.get(), output, request)) {
                receivedSpansTotal.get().inc(discardedSpans.get().count());
                status = HttpResponseStatus.FORBIDDEN;
                break;
            }
            List<Span> spans = new ArrayList<>();
            // noinspection unchecked
            ReportableEntityDecoder<String, Span> spanDecoder = (ReportableEntityDecoder<String, Span>) decoders.get(ReportableEntityType.TRACE);
            ReportableEntityHandler<Span, String> spanHandler = spanHandlerSupplier.get();
            Splitter.on('\n').trimResults().omitEmptyStrings().split(request.content().toString(CharsetUtil.UTF_8)).forEach(line -> {
                try {
                    receivedSpansTotal.get().inc();
                    spanDecoder.decode(line, spans, "dummy");
                } catch (Exception e) {
                    spanHandler.reject(line, formatErrorMessage(line, e, ctx));
                }
            });
            spans.forEach(spanHandler::report);
            status = okStatus;
            break;
        case Constants.PUSH_FORMAT_TRACING_SPAN_LOGS:
            if (isFeatureDisabled(spanLogsDisabled, SPANLOGS_DISABLED, discardedSpanLogs.get(), output, request)) {
                status = HttpResponseStatus.FORBIDDEN;
                break;
            }
            List<SpanLogs> spanLogs = new ArrayList<>();
            // noinspection unchecked
            ReportableEntityDecoder<JsonNode, SpanLogs> spanLogDecoder = (ReportableEntityDecoder<JsonNode, SpanLogs>) decoders.get(ReportableEntityType.TRACE_SPAN_LOGS);
            ReportableEntityHandler<SpanLogs, String> spanLogsHandler = spanLogsHandlerSupplier.get();
            Splitter.on('\n').trimResults().omitEmptyStrings().split(request.content().toString(CharsetUtil.UTF_8)).forEach(line -> {
                try {
                    spanLogDecoder.decode(JSON_PARSER.readTree(line), spanLogs, "dummy");
                } catch (Exception e) {
                    spanLogsHandler.reject(line, formatErrorMessage(line, e, ctx));
                }
            });
            spanLogs.forEach(spanLogsHandler::report);
            status = okStatus;
            break;
        default:
            status = HttpResponseStatus.BAD_REQUEST;
            logger.warning("Unexpected format for incoming HTTP request: " + format);
    }
    writeHttpResponse(ctx, status, output, request);
}

Example 2 with SPANLOGS_DISABLED

use of com.wavefront.agent.listeners.FeatureCheckUtils.SPANLOGS_DISABLED in project java by wavefrontHQ.

the class ZipkinPortUnificationHandler method processZipkinSpan.

private void processZipkinSpan(zipkin2.Span zipkinSpan) {
    if (ZIPKIN_DATA_LOGGER.isLoggable(Level.FINEST)) {
        ZIPKIN_DATA_LOGGER.info("Inbound Zipkin span: " + zipkinSpan.toString());
    }
    // Add application tags, span references, span kind and http uri, responses etc.
    List<Annotation> annotations = new ArrayList<>();
    // Add original Zipkin trace and span ids as tags to make finding them easier
    annotations.add(new Annotation("zipkinSpanId", zipkinSpan.id()));
    annotations.add(new Annotation("zipkinTraceId", zipkinSpan.traceId()));
    // Set Span's References.
    if (zipkinSpan.parentId() != null) {
        annotations.add(new Annotation(TraceConstants.PARENT_KEY, Utils.convertToUuidString(zipkinSpan.parentId())));
    }
    // Set Span Kind.
    if (zipkinSpan.kind() != null) {
        String kind = zipkinSpan.kind().toString().toLowerCase();
        annotations.add(new Annotation("span.kind", kind));
        if (zipkinSpan.annotations() != null && !zipkinSpan.annotations().isEmpty()) {
            annotations.add(new Annotation("_spanSecondaryId", kind));
        }
    }
    // Set Span's service name.
    String serviceName = zipkinSpan.localServiceName() == null ? DEFAULT_SERVICE : zipkinSpan.localServiceName();
    annotations.add(new Annotation(SERVICE_TAG_KEY, serviceName));
    String applicationName = this.proxyLevelApplicationName;
    String cluster = NULL_TAG_VAL;
    String shard = NULL_TAG_VAL;
    String componentTagValue = NULL_TAG_VAL;
    boolean isError = false;
    boolean isDebugSpanTag = false;
    // Set all other Span Tags.
    Set<String> ignoreKeys = new HashSet<>(ImmutableSet.of(SOURCE_KEY));
    if (zipkinSpan.tags() != null && zipkinSpan.tags().size() > 0) {
        for (Map.Entry<String, String> tag : zipkinSpan.tags().entrySet()) {
            if (!ignoreKeys.contains(tag.getKey().toLowerCase()) && !StringUtils.isBlank(tag.getValue())) {
                Annotation annotation = new Annotation(tag.getKey(), tag.getValue());
                switch(annotation.getKey()) {
                    case APPLICATION_TAG_KEY:
                        applicationName = annotation.getValue();
                        continue;
                    case CLUSTER_TAG_KEY:
                        cluster = annotation.getValue();
                        continue;
                    case SHARD_TAG_KEY:
                        shard = annotation.getValue();
                        continue;
                    case COMPONENT_TAG_KEY:
                        componentTagValue = annotation.getValue();
                        break;
                    case ERROR_SPAN_TAG_KEY:
                        isError = true;
                        // Ignore the original error value
                        annotation.setValue(ERROR_SPAN_TAG_VAL);
                        break;
                    case DEBUG_TAG_KEY:
                        isDebugSpanTag = annotation.getValue().equals(DEBUG_SPAN_TAG_VAL);
                        break;
                }
                annotations.add(annotation);
            }
        }
    }
    // Add all wavefront indexed tags. These are set based on below hierarchy.
    // Span Level > Proxy Level > Default
    annotations.add(new Annotation(APPLICATION_TAG_KEY, applicationName));
    annotations.add(new Annotation(CLUSTER_TAG_KEY, cluster));
    annotations.add(new Annotation(SHARD_TAG_KEY, shard));
    // Add Sampling related annotations.
    // Add a debug span tag as needed to enable sampling of this span with intelligent sampling.
    boolean isDebug = zipkinSpan.debug() != null ? zipkinSpan.debug() : false;
    if (!isDebugSpanTag && isDebug) {
        annotations.add(new Annotation(DEBUG_SPAN_TAG_KEY, DEBUG_SPAN_TAG_VAL));
    }
    // Add additional annotations.
    if (zipkinSpan.localEndpoint() != null && zipkinSpan.localEndpoint().ipv4() != null) {
        annotations.add(new Annotation("ipv4", zipkinSpan.localEndpoint().ipv4()));
    }
    if (!spanLogsDisabled.get() && zipkinSpan.annotations() != null && !zipkinSpan.annotations().isEmpty()) {
        annotations.add(new Annotation("_spanLogs", "true"));
    }
    /* Add source of the span following the below:
     *    1. If "source" is provided by span tags , use it else
     *    2. Default "source" to "zipkin".
     */
    String sourceName = DEFAULT_SOURCE;
    if (zipkinSpan.tags() != null && zipkinSpan.tags().size() > 0) {
        if (zipkinSpan.tags().get(SOURCE_KEY) != null) {
            sourceName = zipkinSpan.tags().get(SOURCE_KEY);
        }
    }
    // Set spanName.
    String spanName = zipkinSpan.name() == null ? DEFAULT_SPAN_NAME : zipkinSpan.name();
    String spanId = Utils.convertToUuidString(zipkinSpan.id());
    String traceId = Utils.convertToUuidString(zipkinSpan.traceId());
    // Build wavefront span
    Span wavefrontSpan = Span.newBuilder().setCustomer("dummy").setName(spanName).setSource(sourceName).setSpanId(spanId).setTraceId(traceId).setStartMillis(zipkinSpan.timestampAsLong() / 1000).setDuration(zipkinSpan.durationAsLong() / 1000).setAnnotations(annotations).build();
    if (zipkinSpan.tags().containsKey(SPAN_TAG_ERROR)) {
        if (ZIPKIN_DATA_LOGGER.isLoggable(Level.FINER)) {
            ZIPKIN_DATA_LOGGER.info("Span id :: " + spanId + " with trace id :: " + traceId + " , includes error tag :: " + zipkinSpan.tags().get(SPAN_TAG_ERROR));
        }
    }
    // Log Zipkin spans as well as Wavefront spans for debugging purposes.
    if (ZIPKIN_DATA_LOGGER.isLoggable(Level.FINEST)) {
        ZIPKIN_DATA_LOGGER.info("Converted Wavefront span: " + wavefrontSpan.toString());
    }
    if (preprocessorSupplier != null) {
        ReportableEntityPreprocessor preprocessor = preprocessorSupplier.get();
        String[] messageHolder = new String[1];
        preprocessor.forSpan().transform(wavefrontSpan);
        if (!preprocessor.forSpan().filter(wavefrontSpan, messageHolder)) {
            if (messageHolder[0] != null) {
                spanHandler.reject(wavefrontSpan, messageHolder[0]);
            } else {
                spanHandler.block(wavefrontSpan);
            }
            return;
        }
    }
    if (sampler.sample(wavefrontSpan, discardedSpansBySampler)) {
        spanHandler.report(wavefrontSpan);
        if (zipkinSpan.annotations() != null && !zipkinSpan.annotations().isEmpty() && !isFeatureDisabled(spanLogsDisabled, SPANLOGS_DISABLED, null)) {
            SpanLogs spanLogs = SpanLogs.newBuilder().setCustomer("default").setTraceId(wavefrontSpan.getTraceId()).setSpanId(wavefrontSpan.getSpanId()).setSpanSecondaryId(zipkinSpan.kind() != null ? zipkinSpan.kind().toString().toLowerCase() : null).setLogs(zipkinSpan.annotations().stream().map(x -> SpanLog.newBuilder().setTimestamp(x.timestamp()).setFields(ImmutableMap.of("annotation", x.value())).build()).collect(Collectors.toList())).build();
            spanLogsHandler.report(spanLogs);
        }
    }
    // report stats irrespective of span sampling.
    if (wfInternalReporter != null) {
        // Set post preprocessor rule values and report converted metrics/histograms from the span
        List<Annotation> processedAnnotations = wavefrontSpan.getAnnotations();
        for (Annotation processedAnnotation : processedAnnotations) {
            switch(processedAnnotation.getKey()) {
                case APPLICATION_TAG_KEY:
                    applicationName = processedAnnotation.getValue();
                    continue;
                case SERVICE_TAG_KEY:
                    serviceName = processedAnnotation.getValue();
                    continue;
                case CLUSTER_TAG_KEY:
                    cluster = processedAnnotation.getValue();
                    continue;
                case SHARD_TAG_KEY:
                    shard = processedAnnotation.getValue();
                    continue;
                case COMPONENT_TAG_KEY:
                    componentTagValue = processedAnnotation.getValue();
                    continue;
                case ERROR_TAG_KEY:
                    isError = true;
                    continue;
            }
        }
        List<Pair<String, String>> spanTags = processedAnnotations.stream().map(a -> new Pair<>(a.getKey(), a.getValue())).collect(Collectors.toList());
        discoveredHeartbeatMetrics.add(reportWavefrontGeneratedData(wfInternalReporter, wavefrontSpan.getName(), applicationName, serviceName, cluster, shard, wavefrontSpan.getSource(), componentTagValue, isError, zipkinSpan.durationAsLong(), traceDerivedCustomTagKeys, spanTags, true));
    }
}

Example 3 with SPANLOGS_DISABLED

use of com.wavefront.agent.listeners.FeatureCheckUtils.SPANLOGS_DISABLED in project java by wavefrontHQ.

the class JaegerProtobufUtils method processSpan.

private static void processSpan(Model.Span span, String serviceName, String sourceName, String applicationName, String cluster, String shard, List<Annotation> processAnnotations, ReportableEntityHandler<Span, String> spanHandler, ReportableEntityHandler<SpanLogs, String> spanLogsHandler, @Nullable WavefrontInternalReporter wfInternalReporter, Supplier<Boolean> spanLogsDisabled, Supplier<ReportableEntityPreprocessor> preprocessorSupplier, SpanSampler sampler, Set<String> traceDerivedCustomTagKeys, Counter discardedSpansBySampler, Set<Pair<Map<String, String>, String>> discoveredHeartbeatMetrics) {
    List<Annotation> annotations = new ArrayList<>(processAnnotations);
    // serviceName is mandatory in Jaeger
    annotations.add(new Annotation(SERVICE_TAG_KEY, serviceName));
    String componentTagValue = NULL_TAG_VAL;
    boolean isError = false;
    if (span.getTagsList() != null) {
        for (Model.KeyValue tag : span.getTagsList()) {
            if (IGNORE_TAGS.contains(tag.getKey()) || (tag.getVType() == Model.ValueType.STRING && StringUtils.isBlank(tag.getVStr()))) {
                continue;
            }
            Annotation annotation = tagToAnnotation(tag);
            if (annotation != null) {
                switch(annotation.getKey()) {
                    case APPLICATION_TAG_KEY:
                        applicationName = annotation.getValue();
                        continue;
                    case CLUSTER_TAG_KEY:
                        cluster = annotation.getValue();
                        continue;
                    case SHARD_TAG_KEY:
                        shard = annotation.getValue();
                        continue;
                    case SOURCE_KEY:
                        // Do not add source to annotation span tag list.
                        sourceName = annotation.getValue();
                        continue;
                    case SERVICE_TAG_KEY:
                        // Do not use service tag from annotations, use field instead
                        continue;
                    case COMPONENT_TAG_KEY:
                        componentTagValue = annotation.getValue();
                        break;
                    case ERROR_TAG_KEY:
                        // only error=true is supported
                        isError = annotation.getValue().equals(ERROR_SPAN_TAG_VAL);
                        break;
                }
                annotations.add(annotation);
            }
        }
    }
    // Add all wavefront indexed tags. These are set based on below hierarchy.
    // Span Level > Process Level > Proxy Level > Default
    annotations.add(new Annotation(APPLICATION_TAG_KEY, applicationName));
    annotations.add(new Annotation(CLUSTER_TAG_KEY, cluster));
    annotations.add(new Annotation(SHARD_TAG_KEY, shard));
    if (span.getReferencesList() != null) {
        for (Model.SpanRef reference : span.getReferencesList()) {
            switch(reference.getRefType()) {
                case CHILD_OF:
                    if (!reference.getSpanId().isEmpty()) {
                        annotations.add(new Annotation(TraceConstants.PARENT_KEY, toStringId(reference.getSpanId())));
                    }
                    break;
                case FOLLOWS_FROM:
                    if (!reference.getSpanId().isEmpty()) {
                        annotations.add(new Annotation(TraceConstants.FOLLOWS_FROM_KEY, toStringId(reference.getSpanId())));
                    }
                default:
            }
        }
    }
    if (!spanLogsDisabled.get() && span.getLogsCount() > 0) {
        annotations.add(new Annotation("_spanLogs", "true"));
    }
    Span wavefrontSpan = Span.newBuilder().setCustomer("dummy").setName(span.getOperationName()).setSource(sourceName).setSpanId(toStringId(span.getSpanId())).setTraceId(toStringId(span.getTraceId())).setStartMillis(toMillis(span.getStartTime())).setDuration(toMillis(span.getDuration())).setAnnotations(annotations).build();
    // Log Jaeger spans as well as Wavefront spans for debugging purposes.
    if (JAEGER_DATA_LOGGER.isLoggable(Level.FINEST)) {
        JAEGER_DATA_LOGGER.info("Inbound Jaeger span: " + span.toString());
        JAEGER_DATA_LOGGER.info("Converted Wavefront span: " + wavefrontSpan.toString());
    }
    if (preprocessorSupplier != null) {
        ReportableEntityPreprocessor preprocessor = preprocessorSupplier.get();
        String[] messageHolder = new String[1];
        preprocessor.forSpan().transform(wavefrontSpan);
        if (!preprocessor.forSpan().filter(wavefrontSpan, messageHolder)) {
            if (messageHolder[0] != null) {
                spanHandler.reject(wavefrontSpan, messageHolder[0]);
            } else {
                spanHandler.block(wavefrontSpan);
            }
            return;
        }
    }
    if (sampler.sample(wavefrontSpan, discardedSpansBySampler)) {
        spanHandler.report(wavefrontSpan);
        if (span.getLogsCount() > 0 && !isFeatureDisabled(spanLogsDisabled, SPANLOGS_DISABLED, null)) {
            SpanLogs spanLogs = SpanLogs.newBuilder().setCustomer("default").setTraceId(wavefrontSpan.getTraceId()).setSpanId(wavefrontSpan.getSpanId()).setLogs(span.getLogsList().stream().map(x -> {
                Map<String, String> fields = new HashMap<>(x.getFieldsCount());
                x.getFieldsList().forEach(t -> {
                    switch(t.getVType()) {
                        case STRING:
                            fields.put(t.getKey(), t.getVStr());
                            break;
                        case BOOL:
                            fields.put(t.getKey(), String.valueOf(t.getVBool()));
                            break;
                        case INT64:
                            fields.put(t.getKey(), String.valueOf(t.getVInt64()));
                            break;
                        case FLOAT64:
                            fields.put(t.getKey(), String.valueOf(t.getVFloat64()));
                            break;
                        case BINARY:
                        // ignore
                        default:
                    }
                });
                return SpanLog.newBuilder().setTimestamp(toMicros(x.getTimestamp())).setFields(fields).build();
            }).collect(Collectors.toList())).build();
            spanLogsHandler.report(spanLogs);
        }
    }
    // report stats irrespective of span sampling.
    if (wfInternalReporter != null) {
        // Set post preprocessor rule values and report converted metrics/histograms from the span
        List<Annotation> processedAnnotations = wavefrontSpan.getAnnotations();
        for (Annotation processedAnnotation : processedAnnotations) {
            switch(processedAnnotation.getKey()) {
                case APPLICATION_TAG_KEY:
                    applicationName = processedAnnotation.getValue();
                    continue;
                case SERVICE_TAG_KEY:
                    serviceName = processedAnnotation.getValue();
                    continue;
                case CLUSTER_TAG_KEY:
                    cluster = processedAnnotation.getValue();
                    continue;
                case SHARD_TAG_KEY:
                    shard = processedAnnotation.getValue();
                    continue;
                case COMPONENT_TAG_KEY:
                    componentTagValue = processedAnnotation.getValue();
                    continue;
                case ERROR_TAG_KEY:
                    isError = processedAnnotation.getValue().equals(ERROR_SPAN_TAG_VAL);
                    continue;
            }
        }
        List<Pair<String, String>> spanTags = processedAnnotations.stream().map(a -> new Pair<>(a.getKey(), a.getValue())).collect(Collectors.toList());
        discoveredHeartbeatMetrics.add(reportWavefrontGeneratedData(wfInternalReporter, wavefrontSpan.getName(), applicationName, serviceName, cluster, shard, wavefrontSpan.getSource(), componentTagValue, isError, toMicros(span.getDuration()), traceDerivedCustomTagKeys, spanTags, true));
    }
}

Example 4 with SPANLOGS_DISABLED

use of com.wavefront.agent.listeners.FeatureCheckUtils.SPANLOGS_DISABLED in project java by wavefrontHQ.

the class JaegerThriftUtils method processSpan.

private static void processSpan(io.jaegertracing.thriftjava.Span span, String serviceName, String sourceName, String applicationName, String cluster, String shard, List<Annotation> processAnnotations, ReportableEntityHandler<Span, String> spanHandler, ReportableEntityHandler<SpanLogs, String> spanLogsHandler, @Nullable WavefrontInternalReporter wfInternalReporter, Supplier<Boolean> spanLogsDisabled, Supplier<ReportableEntityPreprocessor> preprocessorSupplier, SpanSampler sampler, Set<String> traceDerivedCustomTagKeys, Counter discardedSpansBySampler, Set<Pair<Map<String, String>, String>> discoveredHeartbeatMetrics) {
    List<Annotation> annotations = new ArrayList<>(processAnnotations);
    String traceId = new UUID(span.getTraceIdHigh(), span.getTraceIdLow()).toString();
    String strippedTraceId = StringUtils.stripStart(traceId.replace("-", ""), "0");
    strippedTraceId = strippedTraceId.length() > 0 ? strippedTraceId : "0";
    annotations.add(new Annotation("jaegerSpanId", Long.toHexString(span.getSpanId())));
    annotations.add(new Annotation("jaegerTraceId", strippedTraceId));
    // serviceName is mandatory in Jaeger
    annotations.add(new Annotation(SERVICE_TAG_KEY, serviceName));
    long parentSpanId = span.getParentSpanId();
    if (parentSpanId != 0) {
        annotations.add(new Annotation("parent", new UUID(0, parentSpanId).toString()));
    }
    String componentTagValue = NULL_TAG_VAL;
    boolean isError = false;
    if (span.getTags() != null) {
        for (Tag tag : span.getTags()) {
            if (IGNORE_TAGS.contains(tag.getKey()) || (tag.vType == TagType.STRING && StringUtils.isBlank(tag.getVStr()))) {
                continue;
            }
            Annotation annotation = tagToAnnotation(tag);
            if (annotation != null) {
                switch(annotation.getKey()) {
                    case APPLICATION_TAG_KEY:
                        applicationName = annotation.getValue();
                        continue;
                    case CLUSTER_TAG_KEY:
                        cluster = annotation.getValue();
                        continue;
                    case SHARD_TAG_KEY:
                        shard = annotation.getValue();
                        continue;
                    case SOURCE_KEY:
                        // Do not add source to annotation span tag list.
                        sourceName = annotation.getValue();
                        continue;
                    case SERVICE_TAG_KEY:
                        // Do not use service tag from annotations, use field instead
                        continue;
                    case COMPONENT_TAG_KEY:
                        componentTagValue = annotation.getValue();
                        break;
                    case ERROR_TAG_KEY:
                        // only error=true is supported
                        isError = annotation.getValue().equals(ERROR_SPAN_TAG_VAL);
                        break;
                }
                annotations.add(annotation);
            }
        }
    }
    // Add all wavefront indexed tags. These are set based on below hierarchy.
    // Span Level > Process Level > Proxy Level > Default
    annotations.add(new Annotation(APPLICATION_TAG_KEY, applicationName));
    annotations.add(new Annotation(CLUSTER_TAG_KEY, cluster));
    annotations.add(new Annotation(SHARD_TAG_KEY, shard));
    if (span.getReferences() != null) {
        for (SpanRef reference : span.getReferences()) {
            switch(reference.refType) {
                case CHILD_OF:
                    if (reference.getSpanId() != 0 && reference.getSpanId() != parentSpanId) {
                        annotations.add(new Annotation(TraceConstants.PARENT_KEY, new UUID(0, reference.getSpanId()).toString()));
                    }
                case FOLLOWS_FROM:
                    if (reference.getSpanId() != 0) {
                        annotations.add(new Annotation(TraceConstants.FOLLOWS_FROM_KEY, new UUID(0, reference.getSpanId()).toString()));
                    }
                default:
            }
        }
    }
    if (!spanLogsDisabled.get() && span.getLogs() != null && !span.getLogs().isEmpty()) {
        annotations.add(new Annotation("_spanLogs", "true"));
    }
    Span wavefrontSpan = Span.newBuilder().setCustomer("dummy").setName(span.getOperationName()).setSource(sourceName).setSpanId(new UUID(0, span.getSpanId()).toString()).setTraceId(traceId).setStartMillis(span.getStartTime() / 1000).setDuration(span.getDuration() / 1000).setAnnotations(annotations).build();
    // Log Jaeger spans as well as Wavefront spans for debugging purposes.
    if (JAEGER_DATA_LOGGER.isLoggable(Level.FINEST)) {
        JAEGER_DATA_LOGGER.info("Inbound Jaeger span: " + span.toString());
        JAEGER_DATA_LOGGER.info("Converted Wavefront span: " + wavefrontSpan.toString());
    }
    if (preprocessorSupplier != null) {
        ReportableEntityPreprocessor preprocessor = preprocessorSupplier.get();
        String[] messageHolder = new String[1];
        preprocessor.forSpan().transform(wavefrontSpan);
        if (!preprocessor.forSpan().filter(wavefrontSpan, messageHolder)) {
            if (messageHolder[0] != null) {
                spanHandler.reject(wavefrontSpan, messageHolder[0]);
            } else {
                spanHandler.block(wavefrontSpan);
            }
            return;
        }
    }
    if (sampler.sample(wavefrontSpan, discardedSpansBySampler)) {
        spanHandler.report(wavefrontSpan);
        if (span.getLogs() != null && !span.getLogs().isEmpty() && !isFeatureDisabled(spanLogsDisabled, SPANLOGS_DISABLED, null)) {
            SpanLogs spanLogs = SpanLogs.newBuilder().setCustomer("default").setTraceId(wavefrontSpan.getTraceId()).setSpanId(wavefrontSpan.getSpanId()).setLogs(span.getLogs().stream().map(x -> {
                Map<String, String> fields = new HashMap<>(x.fields.size());
                x.fields.forEach(t -> {
                    switch(t.vType) {
                        case STRING:
                            fields.put(t.getKey(), t.getVStr());
                            break;
                        case BOOL:
                            fields.put(t.getKey(), String.valueOf(t.isVBool()));
                            break;
                        case LONG:
                            fields.put(t.getKey(), String.valueOf(t.getVLong()));
                            break;
                        case DOUBLE:
                            fields.put(t.getKey(), String.valueOf(t.getVDouble()));
                            break;
                        case BINARY:
                        // ignore
                        default:
                    }
                });
                return SpanLog.newBuilder().setTimestamp(x.timestamp).setFields(fields).build();
            }).collect(Collectors.toList())).build();
            spanLogsHandler.report(spanLogs);
        }
    }
    // report stats irrespective of span sampling.
    if (wfInternalReporter != null) {
        // Set post preprocessor rule values and report converted metrics/histograms from the span
        List<Annotation> processedAnnotations = wavefrontSpan.getAnnotations();
        for (Annotation processedAnnotation : processedAnnotations) {
            switch(processedAnnotation.getKey()) {
                case APPLICATION_TAG_KEY:
                    applicationName = processedAnnotation.getValue();
                    continue;
                case SERVICE_TAG_KEY:
                    serviceName = processedAnnotation.getValue();
                    continue;
                case CLUSTER_TAG_KEY:
                    cluster = processedAnnotation.getValue();
                    continue;
                case SHARD_TAG_KEY:
                    shard = processedAnnotation.getValue();
                    continue;
                case COMPONENT_TAG_KEY:
                    componentTagValue = processedAnnotation.getValue();
                    continue;
                case ERROR_TAG_KEY:
                    isError = processedAnnotation.getValue().equals(ERROR_SPAN_TAG_VAL);
                    continue;
            }
        }
        List<Pair<String, String>> spanTags = processedAnnotations.stream().map(a -> new Pair<>(a.getKey(), a.getValue())).collect(Collectors.toList());
        // TODO: Modify to use new method from wavefront internal reporter.
        discoveredHeartbeatMetrics.add(reportWavefrontGeneratedData(wfInternalReporter, wavefrontSpan.getName(), applicationName, serviceName, cluster, shard, wavefrontSpan.getSource(), componentTagValue, isError, span.getDuration(), traceDerivedCustomTagKeys, spanTags, true));
    }
}