marcingrzejszczak commented on code in PR #9389: URL: https://github.com/apache/camel/pull/9389#discussion_r1112039345
########## components/camel-observation/src/test/java/org/apache/camel/observation/CamelMicrometerObservationTestSupport.java: ########## @@ -0,0 +1,255 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.camel.observation; + +import java.net.URI; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collections; +import java.util.HashMap; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.stream.Collectors; + +import io.micrometer.core.instrument.MeterRegistry; +import io.micrometer.core.instrument.observation.DefaultMeterObservationHandler; +import io.micrometer.core.instrument.simple.SimpleMeterRegistry; +import io.micrometer.observation.ObservationHandler; +import io.micrometer.observation.ObservationRegistry; +import io.micrometer.observation.tck.TestObservationRegistry; +import io.micrometer.tracing.handler.PropagatingSenderTracingObservationHandler; +import io.micrometer.tracing.otel.bridge.OtelBaggageManager; +import io.micrometer.tracing.otel.bridge.OtelCurrentTraceContext; +import io.micrometer.tracing.otel.bridge.OtelPropagator; +import io.micrometer.tracing.otel.bridge.OtelTracer; +import io.opentelemetry.api.common.AttributeKey; +import io.opentelemetry.api.trace.Tracer; +import io.opentelemetry.context.Context; +import io.opentelemetry.context.propagation.ContextPropagators; +import io.opentelemetry.extension.trace.propagation.B3Propagator; +import io.opentelemetry.sdk.testing.exporter.InMemorySpanExporter; +import io.opentelemetry.sdk.trace.ReadWriteSpan; +import io.opentelemetry.sdk.trace.ReadableSpan; +import io.opentelemetry.sdk.trace.SdkTracerProvider; +import io.opentelemetry.sdk.trace.SpanProcessor; +import io.opentelemetry.sdk.trace.data.SpanData; +import io.opentelemetry.sdk.trace.export.SimpleSpanProcessor; +import org.apache.camel.CamelContext; +import org.apache.camel.test.junit5.CamelTestSupport; +import org.apache.camel.tracing.SpanDecorator; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertNotNull; + +class CamelMicrometerObservationTestSupport extends CamelTestSupport { + + static final AttributeKey<String> CAMEL_URI_KEY = AttributeKey.stringKey("camel-uri"); + static final AttributeKey<String> COMPONENT_KEY = AttributeKey.stringKey("component"); + static final AttributeKey<String> PRE_KEY = AttributeKey.stringKey("pre"); + static final AttributeKey<String> POST_KEY = AttributeKey.stringKey("post"); + + private InMemorySpanExporter inMemorySpanExporter = InMemorySpanExporter.create(); + private SpanTestData[] expected; + private Tracer tracer; + private MicrometerObservationTracer micrometerObservationTracer; + private SdkTracerProvider tracerFactory; + + private MeterRegistry meterRegistry = new SimpleMeterRegistry(); + + private ObservationRegistry observationRegistry; + + CamelMicrometerObservationTestSupport(SpanTestData[] expected) { + this.expected = expected; + } + + @Override + protected CamelContext createCamelContext() throws Exception { + CamelContext context = super.createCamelContext(); + micrometerObservationTracer = new MicrometerObservationTracer(); + + tracerFactory = SdkTracerProvider.builder() + .addSpanProcessor(new LoggingSpanProcessor()) + .addSpanProcessor(SimpleSpanProcessor.create(inMemorySpanExporter)).build(); + + tracer = tracerFactory.get("tracerTest"); + + observationRegistry = ObservationRegistry.create(); + observationRegistry.observationConfig().observationHandler(new DefaultMeterObservationHandler(meterRegistry)); + + io.micrometer.tracing.Tracer otelTracer = otelTracer(); + OtelPropagator otelPropagator = new OtelPropagator(ContextPropagators.create(B3Propagator.injectingSingleHeader()), tracer); + observationRegistry.observationConfig().observationHandler(new ObservationHandler.FirstMatchingCompositeObservationHandler(new CamelPropagatingSenderTracingObservationHandler<>(otelTracer, otelPropagator), new CamelPropagatingReceiverTracingObservationHandler<>(otelTracer, otelPropagator), new CamelDefaultTracingObservationHandler(otelTracer))); + + micrometerObservationTracer.setObservationRegistry(observationRegistry); + // if you want baggage + micrometerObservationTracer.setTracer(otelTracer); + micrometerObservationTracer.setExcludePatterns(getExcludePatterns()); + micrometerObservationTracer.addDecorator(new TestSEDASpanDecorator()); + micrometerObservationTracer.init(context); + return context; + } + + private OtelTracer otelTracer() { + OtelCurrentTraceContext otelCurrentTraceContext = new OtelCurrentTraceContext(); + OtelBaggageManager otelBaggageManager = new OtelBaggageManager(otelCurrentTraceContext, Collections.emptyList(), Collections.emptyList()); + return new OtelTracer(tracer, otelCurrentTraceContext, o -> { + + }, otelBaggageManager); + } + + protected Set<String> getExcludePatterns() { + return new HashSet<>(); + } + + protected void verify() { + verify(expected, false); + } + + protected void verify(boolean async) { + verify(expected, async); + } + + protected List<SpanData> verify(SpanTestData[] expected, boolean async) { + List<SpanData> spans = inMemorySpanExporter.getFinishedSpanItems(); + spans.forEach(mockSpan -> { + System.out.println("Span: " + mockSpan); + System.out.println("\tComponent: " + mockSpan.getAttributes().get(COMPONENT_KEY)); + System.out.println("\tTags: " + mockSpan.getAttributes()); + System.out.println("\tLogs: "); Review Comment: Just FYI I've literally copied that from OpenTelemetry code. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@camel.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
