Java Code Examples for com.nike.wingtips.Tracer#startRequestWithRootSpan()
The following examples show how to use
com.nike.wingtips.Tracer#startRequestWithRootSpan() .
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Example 1
Source File: RequestTracingFilter.java From wingtips with Apache License 2.0 | 6 votes |
/** * @param request The incoming request. * @return A new {@link Span} for the overall request. This inspects the incoming request's headers to determine * if it should continue an existing trace with a child span, or whether a brand new trace needs to be started. * {@link #getInitialSpanName(HttpServletRequest, HttpTagAndSpanNamingStrategy, HttpTagAndSpanNamingAdapter)} * is used to generate the initial span name. */ protected Span createNewSpanForRequest(HttpServletRequest request) { // See if there's trace info in the incoming request's headers. If so it becomes the parent trace. Tracer tracer = Tracer.getInstance(); final Span parentSpan = HttpSpanFactory.fromHttpServletRequest(request, getUserIdHeaderKeys()); Span newSpan; if (parentSpan != null) { logger.debug("Found parent Span {}", parentSpan); newSpan = tracer.startRequestWithChildSpan( parentSpan, getInitialSpanName(request, tagAndNamingStrategy, tagAndNamingAdapter) ); } else { newSpan = tracer.startRequestWithRootSpan( getInitialSpanName(request, tagAndNamingStrategy, tagAndNamingAdapter), HttpSpanFactory.getUserIdFromHttpServletRequest(request, getUserIdHeaderKeys()) ); logger.debug("Parent span not found, starting a new span {}", newSpan); } return newSpan; }
Example 2
Source File: TracingStateTest.java From wingtips with Apache License 2.0 | 6 votes |
@Test public void getCurrentThreadTracingState_works_as_expected() { // given Tracer tracer = Tracer.getInstance(); tracer.startRequestWithRootSpan("request-" + UUID.randomUUID().toString()); Deque<Span> currentSpanStack = tracer.getCurrentSpanStackCopy(); Map<String, String> currentMdcInfo = MDC.getCopyOfContextMap(); assertThat(currentSpanStack.size()).isGreaterThanOrEqualTo(1); assertThat(currentMdcInfo).isNotEmpty(); // when TracingState currentTracingState = TracingState.getCurrentThreadTracingState(); // then assertThat(currentTracingState.spanStack).isEqualTo(currentSpanStack); assertThat(currentTracingState.mdcInfo).isEqualTo(currentMdcInfo); }
Example 3
Source File: WingtipsSpringWebfluxWebFilter.java From wingtips with Apache License 2.0 | 5 votes |
/** * Creates a new {@link Span} for the overall request. This inspects the incoming request's headers to determine * if it should continue an existing trace with a child span, or whether a brand new trace needs to be started. * {@link #getInitialSpanName(ServerWebExchange, HttpTagAndSpanNamingStrategy, HttpTagAndSpanNamingAdapter)} * is used to generate the initial span name. * * @param exchange The incoming request. * @return A new {@link Span} for the overall request. */ protected @NotNull Span createNewSpanForRequest(@NotNull ServerWebExchange exchange) { // See if there's trace info in the incoming request's headers. If so it becomes the parent trace. Tracer tracer = Tracer.getInstance(); RequestWithHeadersServerWebExchangeAdapter requestWithHeadersAdapter = new RequestWithHeadersServerWebExchangeAdapter(exchange); final Span parentSpan = HttpRequestTracingUtils.fromRequestWithHeaders( requestWithHeadersAdapter, userIdHeaderKeys ); Span newSpan; if (parentSpan == null) { newSpan = tracer.startRequestWithRootSpan( getInitialSpanName(exchange, tagAndNamingStrategy, tagAndNamingAdapter), HttpRequestTracingUtils.getUserIdFromRequestWithHeaders(requestWithHeadersAdapter, userIdHeaderKeys) ); logger.debug("Parent span not found, starting a new span {}", newSpan); } else { logger.debug("Found parent Span {}", parentSpan); newSpan = tracer.startRequestWithChildSpan( parentSpan, getInitialSpanName(exchange, tagAndNamingStrategy, tagAndNamingAdapter) ); } return newSpan; }
Example 4
Source File: DTraceStartHandler.java From riposte with Apache License 2.0 | 4 votes |
protected void startTrace(HttpRequest nettyRequest, ChannelHandlerContext ctx) { Tracer tracer = Tracer.getInstance(); // Start the distributed trace. RequestWithHeaders requestWrapper = new RequestWithHeadersNettyAdapter(nettyRequest); final Span parentSpan = HttpRequestTracingUtils.fromRequestWithHeaders(requestWrapper, userIdHeaderKeys); HttpProcessingState httpProcessingState = ChannelAttributes.getHttpProcessingStateForChannel(ctx).get(); // Create the new trace or child span, depending on what info came through via the Netty HttpRequest. // We'll use the fallback span name to start with, because it's possible to throw an exception when // creating the Riposte RequestInfo from the HttpRequest (which can happen when we call // handlerUtils.createRequestInfoFromNettyHttpRequestAndHandleStateSetupIfNecessary(...) for certain // bad requests), and we want the log message for *that* to include trace ID. Span newSpan; if (parentSpan != null) { newSpan = tracer.startRequestWithChildSpan( parentSpan, handlerUtils.determineFallbackOverallRequestSpanName(nettyRequest) ); logger.debug("Found Parent Span {}", parentSpan); } else { newSpan = tracer.startRequestWithRootSpan( handlerUtils.determineFallbackOverallRequestSpanName(nettyRequest), HttpRequestTracingUtils.getUserIdFromRequestWithHeaders(requestWrapper, userIdHeaderKeys) ); logger.debug("Parent Span not found, starting a new trace with root span {}", newSpan); } // Add the "we received the first bytes of the request on the wire" annotation to the span if desired. if (spanNamingAndTaggingStrategy.shouldAddWireReceiveStartAnnotation()) { newSpan.addTimestampedAnnotationForCurrentTime( spanNamingAndTaggingStrategy.wireReceiveStartAnnotationName() ); } // Get the RequestInfo (generating it from the given Netty HttpRequest if necessary), so that // getSpanName() can use it to come up with a better initial span name. RequestInfo<?> riposteRequestInfo = (httpProcessingState == null) ? null : handlerUtils.createRequestInfoFromNettyHttpRequestAndHandleStateSetupIfNecessary( nettyRequest, httpProcessingState ); if (riposteRequestInfo != null) { // Change the span name based on what the tag strategy wants now that we have a Riposte RequestInfo. spanNamingAndTaggingStrategy.changeSpanName( newSpan, handlerUtils.determineOverallRequestSpanName( nettyRequest, riposteRequestInfo, spanNamingAndTaggingStrategy ) ); // Add request tagging. spanNamingAndTaggingStrategy.handleRequestTagging(newSpan, riposteRequestInfo); } }