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Implement MDC auto-instrumentation for log4j2 (#1200)
* Implement MDC auto-instrumentation for log4j2 * Implement MDC auto-instrumentation for log4j2 2.7 * Implement MDC auto-instrumentation for log4j2 * Implement MDC auto-instrumentation for log4j2 * Implement MDC auto-instrumentation for log4j2 * Implement MDC auto-instrumentation for log4j1 * Implement MDC auto-instrumentation for log4j2
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Mateusz Rzeszutek
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Sep 18, 2020
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39
...n-api/src/main/java/io/opentelemetry/instrumentation/api/log/LoggingContextConstants.java
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| /* | ||
| * Copyright The OpenTelemetry Authors | ||
| * | ||
| * Licensed 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. | ||
| */ | ||
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| package io.opentelemetry.instrumentation.api.log; | ||
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| /** | ||
| * This class contains several constants used in logging libraries' Mapped Diagnostic Context | ||
| * instrumentations. | ||
| * | ||
| * @see org.slf4j.MDC | ||
| * @see org.apache.logging.log4j.ThreadContext | ||
| * @see org.apache.log4j.MDC | ||
| */ | ||
| public final class LoggingContextConstants { | ||
| /** Key under which the current trace id will be injected into the context data. */ | ||
| public static final String TRACE_ID = "traceId"; | ||
| /** Key under which the current span id will be injected into the context data. */ | ||
| public static final String SPAN_ID = "spanId"; | ||
| /** | ||
| * Key under which a boolean indicating whether current span is sampled will be injected into the | ||
| * context data. | ||
| */ | ||
| public static final String SAMPLED = "sampled"; | ||
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| private LoggingContextConstants() {} | ||
| } |
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15 changes: 15 additions & 0 deletions
15
instrumentation/log4j/log4j-2-testing/log4j-2-testing.gradle
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| apply from: "$rootDir/gradle/java.gradle" | ||
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| dependencies { | ||
| api project(':testing-common') | ||
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| api group: 'org.apache.logging.log4j', name: 'log4j-core', version: '2.7' | ||
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| implementation deps.guava | ||
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| implementation deps.groovy | ||
| implementation deps.opentelemetryApi | ||
| implementation deps.spock | ||
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| annotationProcessor group: 'org.apache.logging.log4j', name: 'log4j-core', version: '2.7' | ||
| } |
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instrumentation/log4j/log4j-2.13.2/auto/log4j-2.13.2-auto.gradle
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| apply from: "$rootDir/gradle/instrumentation.gradle" | ||
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| muzzle { | ||
| pass { | ||
| group = "org.apache.logging.log4j" | ||
| module = "log4j-core" | ||
| versions = "[2.13.2,)" | ||
| assertInverse = true | ||
| } | ||
| } | ||
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| dependencies { | ||
| library group: 'org.apache.logging.log4j', name: 'log4j-core', version: '2.13.2' | ||
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| implementation project(':instrumentation:log4j:log4j-2.13.2:library') | ||
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| testImplementation project(':instrumentation:log4j:log4j-2-testing') | ||
| } |
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69
...in/java/io/opentelemetry/instrumentation/auto/log4j/v2_13_2/Log4j2MdcInstrumentation.java
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| /* | ||
| * Copyright The OpenTelemetry Authors | ||
| * | ||
| * Licensed 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. | ||
| */ | ||
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| package io.opentelemetry.instrumentation.auto.log4j.v2_13_2; | ||
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| import static io.opentelemetry.javaagent.tooling.ClassLoaderMatcher.hasClassesNamed; | ||
| import static net.bytebuddy.matcher.ElementMatchers.named; | ||
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| import com.google.auto.service.AutoService; | ||
| import io.opentelemetry.javaagent.tooling.Instrumenter; | ||
| import java.util.Collections; | ||
| import java.util.Map; | ||
| import net.bytebuddy.description.method.MethodDescription; | ||
| import net.bytebuddy.description.type.TypeDescription; | ||
| import net.bytebuddy.matcher.ElementMatcher; | ||
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| @AutoService(Instrumenter.class) | ||
| public final class Log4j2MdcInstrumentation extends Instrumenter.Default { | ||
| public Log4j2MdcInstrumentation() { | ||
| super("log4j2", "log4j", "log4j-2.13.2"); | ||
| } | ||
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| @Override | ||
| public ElementMatcher<ClassLoader> classLoaderMatcher() { | ||
| return hasClassesNamed("org.apache.logging.log4j.core.util.ContextDataProvider"); | ||
| } | ||
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| @Override | ||
| public ElementMatcher<? super TypeDescription> typeMatcher() { | ||
| // we cannot use ContextDataProvider here because one of the classes that we inject implements | ||
| // this interface, causing the interface to be loaded while it's being transformed, which leads | ||
| // to duplicate class definition error after the interface is transformed and the triggering | ||
| // class loader tries to load it. | ||
| return named("org.apache.logging.log4j.core.impl.ThreadContextDataInjector"); | ||
| } | ||
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| @Override | ||
| public String[] helperResourceNames() { | ||
| return new String[] { | ||
| "META-INF/services/org.apache.logging.log4j.core.util.ContextDataProvider", | ||
| }; | ||
| } | ||
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| @Override | ||
| public String[] helperClassNames() { | ||
| return new String[] { | ||
| "io.opentelemetry.instrumentation.log4j.v2_13_2.OpenTelemetryContextDataProvider" | ||
| }; | ||
| } | ||
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| @Override | ||
| public Map<? extends ElementMatcher<? super MethodDescription>, String> transformers() { | ||
| // Nothing to instrument, injecting helper resource & class is enough | ||
| return Collections.emptyMap(); | ||
| } | ||
| } |
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instrumentation/log4j/log4j-2.13.2/auto/src/test/groovy/AutoLog4j2Test.groovy
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| /* | ||
| * Copyright The OpenTelemetry Authors | ||
| * | ||
| * Licensed 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. | ||
| */ | ||
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| import io.opentelemetry.auto.test.AgentTestTrait | ||
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| class AutoLog4j2Test extends Log4j2Test implements AgentTestTrait { | ||
| } |
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1 change: 1 addition & 0 deletions
1
...c/main/resources/META-INF/services/org.apache.logging.log4j.core.util.ContextDataProvider
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| io.opentelemetry.instrumentation.log4j.v2_13_2.OpenTelemetryContextDataProvider |
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instrumentation/log4j/log4j-2.13.2/library/src/test/groovy/LibraryLog4j2Test.groovy
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| /* | ||
| * Copyright The OpenTelemetry Authors | ||
| * | ||
| * Licensed 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. | ||
| */ | ||
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| import io.opentelemetry.auto.test.InstrumentationTestTrait | ||
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| class LibraryLog4j2Test extends Log4j2Test implements InstrumentationTestTrait { | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| apply from: "$rootDir/gradle/instrumentation.gradle" | ||
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| muzzle { | ||
| pass { | ||
| group = "org.apache.logging.log4j" | ||
| module = "log4j-core" | ||
| versions = "[2.7,2.13.2)" | ||
| } | ||
| } | ||
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| dependencies { | ||
| library group: 'org.apache.logging.log4j', name: 'log4j-core', version: '2.7' | ||
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| testImplementation project(':instrumentation:log4j:log4j-2-testing') | ||
| } |
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