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Add kamon-opensearch (#1324)
* add: kamon instrumentation for opensearch * refactor: use opensearch for testing
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‎build.sbt

+19
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@@ -126,6 +126,7 @@ val instrumentationProjects = Seq[ProjectReference](
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`kamon-mongo-legacy`,
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`kamon-cassandra`,
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`kamon-elasticsearch`,
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`kamon-opensearch`,
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`kamon-spring`,
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`kamon-annotation`,
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`kamon-annotation-api`,
@@ -404,6 +405,22 @@ lazy val `kamon-elasticsearch` = (project in file("instrumentation/kamon-elastic
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)
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).dependsOn(`kamon-core`, `kamon-instrumentation-common`, `kamon-testkit` % "test")
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lazy val `kamon-opensearch` = (project in file("instrumentation/kamon-opensearch"))
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.disablePlugins(AssemblyPlugin)
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.enablePlugins(JavaAgent)
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.settings(instrumentationSettings)
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.settings(
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Test / run / fork := true,
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libraryDependencies ++= Seq(
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kanelaAgent % "provided",
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"org.opensearch.client" % "opensearch-rest-client" % "1.3.14" % "provided",
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"org.opensearch.client" % "opensearch-rest-high-level-client" % "1.3.14" % "provided",
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scalatest % "test",
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logbackClassic % "test",
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"com.dimafeng" %% "testcontainers-scala" % "0.41.0" % "test",
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)
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).dependsOn(`kamon-core`, `kamon-instrumentation-common`, `kamon-testkit` % "test")
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lazy val `kamon-spring` = (project in file("instrumentation/kamon-spring"))
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.disablePlugins(AssemblyPlugin)
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.enablePlugins(JavaAgent)
@@ -1058,6 +1075,7 @@ lazy val `kamon-bundle-dependencies-all` = (project in file("bundle/kamon-bundle
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`kamon-mongo-legacy`,
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`kamon-cassandra`,
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`kamon-elasticsearch`,
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`kamon-opensearch`,
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`kamon-spring`,
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`kamon-annotation`,
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`kamon-annotation-api`,
@@ -1117,6 +1135,7 @@ lazy val `kamon-bundle-dependencies-3` = (project in file("bundle/kamon-bundle-d
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`kamon-jdbc`,
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`kamon-kafka`,
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`kamon-elasticsearch`,
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`kamon-opensearch`,
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`kamon-spring`,
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`kamon-annotation`,
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`kamon-annotation-api`,

‎instrumentation/kamon-opensearch/src/main/java/kamon/instrumentation/opensearch/AsyncOpensearchRestClientInstrumentation.java

+44
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@@ -0,0 +1,44 @@
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/*
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* Copyright 2013-2020 The Kamon Project <https://kamon.io>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package kamon.instrumentation.opensearch;
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import kamon.Kamon;
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import kamon.trace.Span;
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import kanela.agent.libs.net.bytebuddy.asm.Advice;
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import org.opensearch.client.Request;
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import org.opensearch.client.ResponseListener;
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public class AsyncOpensearchRestClientInstrumentation {
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@Advice.OnMethodEnter
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public static void enter(
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@Advice.Argument(0) Request request,
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@Advice.Argument(value = 1, readOnly = false) ResponseListener responseListener) {
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final String operationName =
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RequestNameConverter.convert(
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HighLevelOpensearchClientInstrumentation.requestClassName.get(),
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"AsyncRequest");
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Span span = Kamon.clientSpanBuilder(operationName, "opensearch.client")
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.tag("opensearch.http.endpoint", request.getEndpoint())
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.tag("opensearch.http.method", request.getMethod())
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.start();
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RequestSizeHistogram.record(request.getEntity());
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responseListener = new InstrumentedListener(responseListener, span);
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}
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}

‎instrumentation/kamon-opensearch/src/main/java/kamon/instrumentation/opensearch/HighLevelOpensearchClientInstrumentation.java

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@@ -0,0 +1,34 @@
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/*
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* Copyright 2013-2020 The Kamon Project <https://kamon.io>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package kamon.instrumentation.opensearch;
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import kanela.agent.libs.net.bytebuddy.asm.Advice;
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public class HighLevelOpensearchClientInstrumentation {
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public static final ThreadLocal<String> requestClassName = new ThreadLocal<>();
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@Advice.OnMethodEnter
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public static <Req> void enter(
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@Advice.Argument(0) Req request) {
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requestClassName.set(request.getClass().getSimpleName());
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}
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@Advice.OnMethodExit
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public static void exit() {
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requestClassName.remove();
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}
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}

‎instrumentation/kamon-opensearch/src/main/java/kamon/instrumentation/opensearch/SyncOpensearchRestClientInstrumentation.java

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/*
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* Copyright 2013-2020 The Kamon Project <https://kamon.io>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package kamon.instrumentation.opensearch;
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import kamon.Kamon;
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import kamon.trace.Span;
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import kanela.agent.libs.net.bytebuddy.asm.Advice;
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import org.opensearch.client.Request;
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public class SyncOpensearchRestClientInstrumentation {
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@Advice.OnMethodEnter
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public static void enter(
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@Advice.Argument(0) Request request,
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@Advice.Local("span") Span span) {
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final String operationName = RequestNameConverter.convert(
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HighLevelOpensearchClientInstrumentation.requestClassName.get(),
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"SyncRequest");
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RequestSizeHistogram.record(request.getEntity());
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span = Kamon.clientSpanBuilder(operationName, "opensearch.client")
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.tag("opensearch.http.endpoint", request.getEndpoint())
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.tag("opensearch.http.method", request.getMethod())
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.start();
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}
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@Advice.OnMethodExit
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public static void exit(
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@Advice.Local("span") Span span) {
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span.finish();
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}
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}

‎instrumentation/kamon-opensearch/src/main/resources/reference.conf

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# ================================================== #
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# kamon Opensearch client reference configuration #
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# ================================================== #
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kamon.instrumentation.opensearch {
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}
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kanela {
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modules {
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opensearch-driver {
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name = "Opensearch Client"
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description = "Provides tracing of client calls made with the official Opensearch Client library."
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instrumentations = [
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"kamon.instrumentation.opensearch.OSInstrumentation"
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]
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within = [
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"org.opensearch.client..*"
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]
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}
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}
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}

‎instrumentation/kamon-opensearch/src/main/scala/kamon/instrumentation/opensearch/OSInstrumentation.scala

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/*
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* Copyright 2013-2020 The Kamon Project <https://kamon.io>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package kamon.instrumentation.opensearch
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import kamon.Kamon
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import kamon.trace.Span
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import kanela.agent.api.instrumentation.InstrumentationBuilder
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import org.apache.http.HttpEntity
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import org.opensearch.client.{Response, ResponseListener}
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class OSInstrumentation extends InstrumentationBuilder {
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onType("org.opensearch.client.RestClient")
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.advise(method("performRequestAsync").and(takesArguments(2)), classOf[AsyncOpensearchRestClientInstrumentation])
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.advise(method("performRequest").and(takesArguments(1)), classOf[SyncOpensearchRestClientInstrumentation])
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onType("org.opensearch.client.RestHighLevelClient")
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.advise(method("internalPerformRequest").and(takesArguments(5)), classOf[HighLevelOpensearchClientInstrumentation])
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.advise(method("internalPerformRequestAsync").and(takesArguments(6)), classOf[HighLevelOpensearchClientInstrumentation])
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}
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class InstrumentedListener(inner: ResponseListener, span: Span) extends ResponseListener {
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override def onSuccess(response: Response): Unit = {
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span.finish()
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inner.onSuccess(response)
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}
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override def onFailure(exception: Exception): Unit = {
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span.fail(exception)
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inner.onFailure(exception)
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}
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}
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object RequestSizeHistogram {
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private val histogram = Kamon.histogram("opensearch.request.size").withoutTags()
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def record(entity: HttpEntity): Unit = {
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Option(entity)
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.map(_.getContentLength)
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.filter(_ >= 0)
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.foreach(histogram.record)
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}
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}

‎instrumentation/kamon-opensearch/src/main/scala/kamon/instrumentation/opensearch/RequestNameConverter.scala

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/*
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* Copyright 2013-2020 The Kamon Project <https://kamon.io>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package kamon.instrumentation.opensearch
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object RequestNameConverter {
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def convert(className: String, fallback: String): String = {
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val requestType = Option(className).getOrElse(fallback)
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s"opensearch/$requestType"
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}
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}

‎instrumentation/kamon-opensearch/src/test/resources/application.conf

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kamon.instrumentation.opensearch {
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}
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kanela {
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# debug-mode = true
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# log-level = "DEBUG"
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}

‎instrumentation/kamon-opensearch/src/test/resources/logback.xml

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<configuration>
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<statusListener class="ch.qos.logback.core.status.NopStatusListener"/>
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<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
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<encoder>
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<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
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</encoder>
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</appender>
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<logger name="org.hyperic" level="OFF"/>
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<logger name="org.apache" level="OFF"/>
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<logger name="org.testcontainers" level="OFF"/>
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<root level="INFO">
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<appender-ref ref="STDOUT"/>
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</root>
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</configuration>

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