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* added apachehttpclient common module * added apachehttpclient5 sync instrumentation * added apachehttpclient async impl, covered with tests * added comments for apache http client works with urlpath that contains userinfo * set isTestHttpCallWithUserInfoEnabled with false value in ApacheHttpClientInstrumentationTest 5 * handled case with recycling when client closed before executing * added httpclient5 plugin to agent builds pom. Run tests, generated license headers * added entry to changelog * updated supported technologies * added comment * added test that checks feignClient * minor polish * updated configuration.asciidoc * minor polish according to the review comments * updated failedWithoutException call for apachehttpclient 5. recycle AsyncRequestProducerWrapper in case when delegate is not null. Added tests that breaks behavior when asyncClientHelper.recycle(this); called multiple times when delegate is already null in ASyncRequestProductWrapper * updated docs * renamed class names for consistency * fixes according to comments * wrapped with try/finally block. removed static import --------- Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
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20 changes: 20 additions & 0 deletions
20
apm-agent-plugins/apm-apache-httpclient/apm-apache-httpclient-common/pom.xml
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| <?xml version="1.0" encoding="UTF-8"?> | ||
| <project xmlns="http://maven.apache.org/POM/4.0.0" | ||
| xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" | ||
| xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> | ||
| <modelVersion>4.0.0</modelVersion> | ||
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| <parent> | ||
| <artifactId>apm-apache-httpclient</artifactId> | ||
| <groupId>co.elastic.apm</groupId> | ||
| <version>1.44.1-SNAPSHOT</version> | ||
| </parent> | ||
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| <artifactId>apm-apache-httpclient-common</artifactId> | ||
| <name>${project.groupId}:${project.artifactId}</name> | ||
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| <properties> | ||
| <apm-agent-parent.base.dir>${project.basedir}/../../..</apm-agent-parent.base.dir> | ||
| </properties> | ||
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| </project> |
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76
.../src/main/java/co/elastic/apm/agent/httpclient/common/AbstractApacheHttpClientAdvice.java
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| /* | ||
| * Licensed to Elasticsearch B.V. under one or more contributor | ||
| * license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright | ||
| * ownership. Elasticsearch B.V. 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 co.elastic.apm.agent.httpclient.common; | ||
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| import co.elastic.apm.agent.httpclient.HttpClientHelper; | ||
| import co.elastic.apm.agent.tracer.ElasticContext; | ||
| import co.elastic.apm.agent.tracer.Outcome; | ||
| import co.elastic.apm.agent.tracer.Span; | ||
| import co.elastic.apm.agent.tracer.Tracer; | ||
| import co.elastic.apm.agent.tracer.dispatch.TextHeaderGetter; | ||
| import co.elastic.apm.agent.tracer.dispatch.TextHeaderSetter; | ||
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| import java.net.URISyntaxException; | ||
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| public abstract class AbstractApacheHttpClientAdvice { | ||
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| public static <REQUEST, WRAPPER extends REQUEST, HTTPHOST, RESPONSE, | ||
| HeaderAccessor extends TextHeaderSetter<REQUEST> & | ||
| TextHeaderGetter<REQUEST>> Object startSpan(final Tracer tracer, | ||
| final ApacheHttpClientApiAdapter<REQUEST, WRAPPER, HTTPHOST, RESPONSE> adapter, | ||
| final WRAPPER request, | ||
| final HTTPHOST httpHost, | ||
| final HeaderAccessor headerAccessor) throws URISyntaxException { | ||
| ElasticContext<?> elasticContext = tracer.currentContext(); | ||
| Span<?> span = null; | ||
| if (elasticContext.getSpan() != null) { | ||
| span = HttpClientHelper.startHttpClientSpan(elasticContext, adapter.getMethod(request), adapter.getUri(request), adapter.getHostName(httpHost)); | ||
| if (span != null) { | ||
| span.activate(); | ||
| } | ||
| } | ||
| tracer.currentContext().propagateContext(request, headerAccessor, headerAccessor); | ||
| return span; | ||
| } | ||
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| public static <REQUEST, WRAPPER extends REQUEST, HTTPHOST, RESPONSE> void endSpan(ApacheHttpClientApiAdapter<REQUEST, WRAPPER, HTTPHOST, RESPONSE> adapter, | ||
| Object spanObj, | ||
| Throwable t, | ||
| RESPONSE response) { | ||
| Span<?> span = (Span<?>) spanObj; | ||
| if (span == null) { | ||
| return; | ||
| } | ||
| try { | ||
| if (response != null && adapter.isNotNullStatusLine(response)) { | ||
| int statusCode = adapter.getResponseCode(response); | ||
| span.getContext().getHttp().withStatusCode(statusCode); | ||
| } | ||
| span.captureException(t); | ||
| } finally { | ||
| // in case of circular redirect, we get an exception but status code won't be available without response | ||
| // thus we have to deal with span outcome directly | ||
| if (adapter.isCircularRedirectException(t)) { | ||
| span.withOutcome(Outcome.FAILURE); | ||
| } | ||
| span.deactivate().end(); | ||
| } | ||
| } | ||
| } |
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71
...main/java/co/elastic/apm/agent/httpclient/common/AbstractApacheHttpClientAsyncAdvice.java
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| /* | ||
| * Licensed to Elasticsearch B.V. under one or more contributor | ||
| * license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright | ||
| * ownership. Elasticsearch B.V. 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 co.elastic.apm.agent.httpclient.common; | ||
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| import co.elastic.apm.agent.httpclient.HttpClientHelper; | ||
| import co.elastic.apm.agent.tracer.ElasticContext; | ||
| import co.elastic.apm.agent.tracer.Span; | ||
| import co.elastic.apm.agent.tracer.Tracer; | ||
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| public abstract class AbstractApacheHttpClientAsyncAdvice { | ||
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| public static <PRODUCER, WRAPPER extends PRODUCER, CALLBACK, CALLBACK_WRAPPER extends CALLBACK, CONTEXT> Object[] startSpan( | ||
| Tracer tracer, ApacheHttpClientAsyncHelper<PRODUCER, WRAPPER, CALLBACK, CALLBACK_WRAPPER, CONTEXT> asyncHelper, | ||
| PRODUCER asyncRequestProducer, CONTEXT context, CALLBACK futureCallback) { | ||
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| ElasticContext<?> parentContext = tracer.currentContext(); | ||
| if (parentContext.isEmpty()) { | ||
| // performance optimization, no need to wrap if we have nothing to propagate | ||
| // empty context means also we will not create an exit span | ||
| return null; | ||
| } | ||
| CALLBACK wrappedFutureCallback = futureCallback; | ||
| ElasticContext<?> activeContext = tracer.currentContext(); | ||
| Span<?> span = activeContext.createExitSpan(); | ||
| if (span != null) { | ||
| span.withType(HttpClientHelper.EXTERNAL_TYPE) | ||
| .withSubtype(HttpClientHelper.HTTP_SUBTYPE) | ||
| .withSync(false) | ||
| .activate(); | ||
| wrappedFutureCallback = asyncHelper.wrapFutureCallback(futureCallback, context, span); | ||
| } | ||
| PRODUCER wrappedProducer = asyncHelper.wrapRequestProducer(asyncRequestProducer, span, tracer.currentContext()); | ||
| return new Object[]{wrappedProducer, wrappedFutureCallback, span}; | ||
| } | ||
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| public static <PRODUCER, WRAPPER extends PRODUCER, CALLBACK, CALLBACK_WRAPPER extends CALLBACK, CONTEXT> void endSpan( | ||
| ApacheHttpClientAsyncHelper<PRODUCER, WRAPPER, CALLBACK, CALLBACK_WRAPPER, CONTEXT> asyncHelper, Object[] enter, Throwable t) { | ||
| Span<?> span = enter != null ? (Span<?>) enter[2] : null; | ||
| if (span != null) { | ||
| // Deactivate in this thread | ||
| span.deactivate(); | ||
| // End the span if the method terminated with an exception. | ||
| // The exception means that the listener who normally does the ending will not be invoked. | ||
| WRAPPER wrapper = (WRAPPER) enter[0]; | ||
| if (t != null) { | ||
| CALLBACK_WRAPPER cb = (CALLBACK_WRAPPER) enter[1]; | ||
| // only for apachehttpclient_v4 | ||
| asyncHelper.failedBeforeRequestStarted(cb, t); | ||
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| asyncHelper.recycle(wrapper); | ||
| } | ||
| } | ||
| } | ||
| } |
37 changes: 37 additions & 0 deletions
37
...mmon/src/main/java/co/elastic/apm/agent/httpclient/common/ApacheHttpClientApiAdapter.java
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| @@ -0,0 +1,37 @@ | ||
| /* | ||
| * Licensed to Elasticsearch B.V. under one or more contributor | ||
| * license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright | ||
| * ownership. Elasticsearch B.V. 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 co.elastic.apm.agent.httpclient.common; | ||
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| import java.net.URI; | ||
| import java.net.URISyntaxException; | ||
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| public interface ApacheHttpClientApiAdapter<REQUEST, WRAPPER extends REQUEST, HTTPHOST, RESPONSE> { | ||
| String getMethod(WRAPPER request); | ||
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| URI getUri(WRAPPER request) throws URISyntaxException; | ||
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| CharSequence getHostName(HTTPHOST httpHost); | ||
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| int getResponseCode(RESPONSE response); | ||
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| boolean isCircularRedirectException(Throwable t); | ||
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| boolean isNotNullStatusLine(RESPONSE response); | ||
| } |
35 changes: 35 additions & 0 deletions
35
...mon/src/main/java/co/elastic/apm/agent/httpclient/common/ApacheHttpClientAsyncHelper.java
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| /* | ||
| * Licensed to Elasticsearch B.V. under one or more contributor | ||
| * license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright | ||
| * ownership. Elasticsearch B.V. 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 co.elastic.apm.agent.httpclient.common; | ||
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| import co.elastic.apm.agent.tracer.ElasticContext; | ||
| import co.elastic.apm.agent.tracer.Span; | ||
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| public interface ApacheHttpClientAsyncHelper<AsyncProducer, AsyncProducerWrapper extends AsyncProducer, FutureCallback, FutureCallbackWrapper extends FutureCallback, HttpContext> { | ||
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| AsyncProducerWrapper wrapRequestProducer(AsyncProducer asyncRequestProducer, Span<?> span, ElasticContext<?> toPropagate); | ||
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| FutureCallbackWrapper wrapFutureCallback(FutureCallback futureCallback, HttpContext httpContext, Span<?> span); | ||
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| void failedBeforeRequestStarted(FutureCallbackWrapper cb, Throwable t); | ||
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| void recycle(AsyncProducerWrapper requestProducerWrapper); | ||
|
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| } |
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