Examples with Tracer io.opentracing.Tracer used on opensource projects

Example 96 with Tracer

use of io.opentracing.Tracer in project wildfly-swarm by wildfly-swarm.

the class HealthServlet method doGet.

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    Tracer tracer = GlobalTracer.get();
    SpanContext context = (SpanContext) req.getAttribute(SERVER_SPAN_CONTEXT);
    tracer.buildSpan("health-check-1").asChildOf(context).startActive(true).close();
    resp.getWriter().write("alive");
}

Example 97 with Tracer

use of io.opentracing.Tracer in project wildfly-swarm by wildfly-swarm.

the class SimpleServlet method doGet.

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    Tracer tracer = GlobalTracer.get();
    SpanContext context = (SpanContext) req.getAttribute(SERVER_SPAN_CONTEXT);
    tracer.buildSpan("business-operation-1").asChildOf(context).startActive(true).close();
    resp.getWriter().write("world");
}

Example 98 with Tracer

use of io.opentracing.Tracer in project ballerina by ballerina-lang.

the class OpenTracerBallerinaWrapper method startSpan.

/**
 * Method to start a span using parent span context.
 *
 * @param serviceName       name of the service the span should belong to
 * @param spanName          name of the span
 * @param tags              key value paired tags to attach to the span
 * @param referenceType     type of reference to any parent span
 * @param parentSpanContext map of the parent span context
 * @return unique id of the created span
 */
public String startSpan(String serviceName, String spanName, Map<String, String> tags, ReferenceType referenceType, Map<String, SpanContext> parentSpanContext) {
    if (enabled) {
        Map<String, Span> spanMap = new HashMap<>();
        Map<String, SpanContext> spanContextMap = new HashMap<>();
        Map<String, Tracer> tracers = tracerStore.getTracers(serviceName);
        tracers.forEach((tracerName, tracer) -> {
            Tracer.SpanBuilder spanBuilder = tracer.buildSpan(spanName);
            for (Map.Entry<String, String> tag : tags.entrySet()) {
                spanBuilder = spanBuilder.withTag(tag.getKey(), tag.getValue());
            }
            if (parentSpanContext != null && !parentSpanContext.isEmpty()) {
                spanBuilder = setParent(referenceType, parentSpanContext, spanBuilder, tracerName);
            }
            Span span = spanBuilder.start();
            spanMap.put(tracerName, span);
            spanContextMap.put(tracerName, span.context());
        });
        String spanId = UUID.randomUUID().toString();
        spanStore.addSpan(spanId, spanMap);
        spanStore.addSpanContext(spanId, spanContextMap);
        return spanId;
    } else {
        return null;
    }
}

Example 99 with Tracer

use of io.opentracing.Tracer in project ballerina by ballerina-lang.

the class OpenTracerBallerinaWrapper method inject.

/**
 * Method to inject the span context of a span into a map carrier.
 *
 * @param spanId the span Id of the span to be injected
 * @return the map carrier holding the span context
 */
public Map<String, String> inject(String spanId) {
    if (enabled) {
        Map<String, String> carrierMap = new HashMap<>();
        Map<String, Span> activeSpanMap = spanStore.getSpan(spanId);
        for (Map.Entry<String, Span> activeSpanEntry : activeSpanMap.entrySet()) {
            Map<String, Tracer> tracers = tracerStore.getTracers(DEFAULT_TRACER);
            Tracer tracer = tracers.get(activeSpanEntry.getKey());
            if (tracer != null && activeSpanEntry.getValue() != null) {
                tracer.inject(activeSpanEntry.getValue().context(), Format.Builtin.HTTP_HEADERS, new RequestInjector(carrierMap));
            }
        }
        return carrierMap;
    } else {
        return Collections.emptyMap();
    }
}

Example 100 with Tracer

use of io.opentracing.Tracer in project ballerina by ballerina-lang.

the class OpenTracerManager method startSpan.

@Override
public Map<String, Object> startSpan(long invocationId, String spanName, Map<String, ?> spanContextMap, Map<String, String> tags, String serviceName) {
    Map<String, Object> spanMap = new HashMap<>();
    Map<String, Tracer> tracers = tracerStore.getTracers(serviceName);
    for (Map.Entry spanContextEntry : spanContextMap.entrySet()) {
        Tracer tracer = tracers.get(spanContextEntry.getKey().toString());
        Tracer.SpanBuilder spanBuilder = tracer.buildSpan(spanName);
        for (Map.Entry<String, String> tag : tags.entrySet()) {
            spanBuilder = spanBuilder.withTag(tag.getKey(), tag.getValue());
        }
        if (spanContextEntry.getValue() != null) {
            spanBuilder = spanBuilder.asChildOf((SpanContext) spanContextEntry.getValue());
        }
        Span span = spanBuilder.start();
        spanMap.put(spanContextEntry.getKey().toString(), span);
    }
    return spanMap;
}