Fix instrumentation support for OpenAI client 0.14+ (#531)

Author: JonasKunz

CHANGELOG.next-release.md

@@ -1 +1 @@
-
+* Add support for OpenAI client 0.14+ - #531

custom/build.gradle.kts

@@ -3,7 +3,8 @@ plugins {
 }
 
 val instrumentations = listOf<String>(
-  ":instrumentation:openai-client-instrumentation"
+  ":instrumentation:openai-client-instrumentation:instrumentation-0.2",
+  ":instrumentation:openai-client-instrumentation:instrumentation-0.14"
 )
 
 dependencies {

gradle/libs.versions.toml

@@ -77,7 +77,7 @@ ant = "org.apache.ant:ant:1.10.15"
 asm = "org.ow2.asm:asm:9.7"
 
 # Instrumented libraries
-openaiClient = "com.openai:openai-java:0.13.0"
+openaiClient = "com.openai:openai-java:0.21.0"
 
 [bundles]
 

instrumentation/openai-client-instrumentation/common/build.gradle.kts

@@ -0,0 +1,10 @@
+plugins {
+    id("elastic-otel.java-conventions")
+}
+
+dependencies {
+    compileOnly(catalog.openaiClient)
+    compileOnly("io.opentelemetry:opentelemetry-sdk")
+    compileOnly("io.opentelemetry.instrumentation:opentelemetry-instrumentation-api")
+    compileOnly("io.opentelemetry.javaagent:opentelemetry-javaagent-extension-api")
+}

instrumentation/openai-client-instrumentation/common/src/main/java/co/elastic/otel/openai/wrappers/ApiAdapter.java

@@ -0,0 +1,99 @@
+/*
+ * 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.otel.openai.wrappers;
+
+import com.openai.models.ChatCompletionAssistantMessageParam;
+import com.openai.models.ChatCompletionContentPart;
+import com.openai.models.ChatCompletionCreateParams;
+import com.openai.models.ChatCompletionMessageParam;
+import com.openai.models.ChatCompletionSystemMessageParam;
+import com.openai.models.ChatCompletionToolMessageParam;
+import com.openai.models.ChatCompletionUserMessageParam;
+import java.util.function.Supplier;
+
+/**
+ * Api Adapter to encapsulate breaking changes across openai-client versions. If e.g. methods are
+ * renamed we add a adapter method here, so that we can provide per-version implementations. These
+ * implementations have to be added to instrumentations as helpers, which also ensures muzzle works
+ * effectively.
+ */
+public abstract class ApiAdapter {
+
+  private static volatile ApiAdapter instance;
+
+  public static ApiAdapter get() {
+    return instance;
+  }
+
+  protected static void init(Supplier<ApiAdapter> implementation) {
+    if (instance == null) {
+      synchronized (ApiAdapter.class) {
+        if (instance == null) {
+          instance = implementation.get();
+        }
+      }
+    }
+  }
+
+  /**
+   * Extracts the concrete message object e.g. ({@link ChatCompletionUserMessageParam}) from the
+   * given encapsulating {@link ChatCompletionMessageParam}.
+   *
+   * @param base the encapsulating param
+   * @return the unboxed concrete message param type
+   */
+  public abstract Object extractConcreteCompletionMessageParam(ChatCompletionMessageParam base);
+
+  /**
+   * @return the contained text, if the content is text. null otherwise.
+   */
+  public abstract String asText(ChatCompletionToolMessageParam.Content content);
+
+  /**
+   * @return the contained text, if the content is text. null otherwise.
+   */
+  public abstract String asText(ChatCompletionAssistantMessageParam.Content content);
+
+  /**
+   * @return the contained text, if the content is text. null otherwise.
+   */
+  public abstract String asText(ChatCompletionSystemMessageParam.Content content);
+
+  /**
+   * @return the contained text, if the content is text. null otherwise.
+   */
+  public abstract String asText(ChatCompletionUserMessageParam.Content content);
+
+  /**
+   * @return the text or refusal reason if either is available, otherwise null
+   */
+  public abstract String extractTextOrRefusal(
+      ChatCompletionAssistantMessageParam.Content.ChatCompletionRequestAssistantMessageContentPart
+          part);
+
+  /**
+   * @return the text if available, otherwise null
+   */
+  public abstract String extractText(ChatCompletionContentPart part);
+
+  /**
+   * @return the type if available, otherwise null
+   */
+  public abstract String extractType(ChatCompletionCreateParams.ResponseFormat val);
+}

instrumentation/openai-client-instrumentation/src/main/java/co/elastic/otel/openai/wrappers/ChatCompletionEventsHelper.java renamed to instrumentation/openai-client-instrumentation/common/src/main/java/co/elastic/otel/openai/wrappers/ChatCompletionEventsHelper.java

@@ -22,7 +22,6 @@
 
 import com.openai.models.ChatCompletion;
 import com.openai.models.ChatCompletionAssistantMessageParam;
-import com.openai.models.ChatCompletionContentPart;
 import com.openai.models.ChatCompletionContentPartText;
 import com.openai.models.ChatCompletionCreateParams;
 import com.openai.models.ChatCompletionMessage;
@@ -40,6 +39,7 @@
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import java.util.stream.Collectors;
 
 public class ChatCompletionEventsHelper {
@@ -54,24 +54,28 @@ public static void emitPromptLogEvents(
     if (!settings.emitEvents) {
       return;
     }
+
     for (ChatCompletionMessageParam msg : request.messages()) {
       String eventType;
       MapValueBuilder bodyBuilder = new MapValueBuilder();
-      if (msg.isChatCompletionSystemMessageParam()) {
-        ChatCompletionSystemMessageParam sysMsg = msg.asChatCompletionSystemMessageParam();
+      Object concreteMessageParam = ApiAdapter.get().extractConcreteCompletionMessageParam(msg);
+      if (concreteMessageParam instanceof ChatCompletionSystemMessageParam) {
+        ChatCompletionSystemMessageParam sysMsg =
+            (ChatCompletionSystemMessageParam) concreteMessageParam;
         eventType = "gen_ai.system.message";
         if (settings.captureMessageContent) {
           putIfNotEmpty(bodyBuilder, "content", contentToString(sysMsg.content()));
         }
-      } else if (msg.isChatCompletionUserMessageParam()) {
-        ChatCompletionUserMessageParam userMsg = msg.asChatCompletionUserMessageParam();
+      } else if (concreteMessageParam instanceof ChatCompletionUserMessageParam) {
+        ChatCompletionUserMessageParam userMsg =
+            (ChatCompletionUserMessageParam) concreteMessageParam;
         eventType = "gen_ai.user.message";
         if (settings.captureMessageContent) {
           putIfNotEmpty(bodyBuilder, "content", contentToString(userMsg.content()));
         }
-      } else if (msg.isChatCompletionAssistantMessageParam()) {
+      } else if (concreteMessageParam instanceof ChatCompletionAssistantMessageParam) {
         ChatCompletionAssistantMessageParam assistantMsg =
-            msg.asChatCompletionAssistantMessageParam();
+            (ChatCompletionAssistantMessageParam) concreteMessageParam;
         eventType = "gen_ai.assistant.message";
         if (settings.captureMessageContent) {
           assistantMsg
@@ -89,8 +93,9 @@ public static void emitPromptLogEvents(
                     bodyBuilder.put("tool_calls", Value.of(toolCallsJson));
                   });
         }
-      } else if (msg.isChatCompletionToolMessageParam()) {
-        ChatCompletionToolMessageParam toolMsg = msg.asChatCompletionToolMessageParam();
+      } else if (concreteMessageParam instanceof ChatCompletionToolMessageParam) {
+        ChatCompletionToolMessageParam toolMsg =
+            (ChatCompletionToolMessageParam) concreteMessageParam;
         eventType = "gen_ai.tool.message";
         if (settings.captureMessageContent) {
           putIfNotEmpty(bodyBuilder, "content", contentToString(toolMsg.content()));
@@ -110,8 +115,9 @@ private static void putIfNotEmpty(MapValueBuilder bodyBuilder, String key, Strin
   }
 
   private static String contentToString(ChatCompletionToolMessageParam.Content content) {
-    if (content.isTextContent()) {
-      return content.asTextContent();
+    String text = ApiAdapter.get().asText(content);
+    if (text != null) {
+      return text;
     } else if (content.isArrayOfContentParts()) {
       return content.asArrayOfContentParts().stream()
           .map(ChatCompletionContentPartText::text)
@@ -122,28 +128,23 @@ private static String contentToString(ChatCompletionToolMessageParam.Content con
   }
 
   private static String contentToString(ChatCompletionAssistantMessageParam.Content content) {
-    if (content.isTextContent()) {
-      return content.asTextContent();
+    String text = ApiAdapter.get().asText(content);
+    if (text != null) {
+      return text;
     } else if (content.isArrayOfContentParts()) {
       return content.asArrayOfContentParts().stream()
-          .map(
-              cnt -> {
-                if (cnt.isChatCompletionContentPartText()) {
-                  return cnt.asChatCompletionContentPartText().text();
-                } else if (cnt.isChatCompletionContentPartRefusal()) {
-                  return cnt.asChatCompletionContentPartRefusal().refusal();
-                }
-                return "";
-              })
+          .map(ApiAdapter.get()::extractTextOrRefusal)
+          .filter(Objects::nonNull)
           .collect(Collectors.joining());
     } else {
       throw new IllegalStateException("Unhandled content type for " + content);
     }
   }
 
   private static String contentToString(ChatCompletionSystemMessageParam.Content content) {
-    if (content.isTextContent()) {
-      return content.asTextContent();
+    String text = ApiAdapter.get().asText(content);
+    if (text != null) {
+      return text;
     } else if (content.isArrayOfContentParts()) {
       return content.asArrayOfContentParts().stream()
           .map(ChatCompletionContentPartText::text)
@@ -154,13 +155,13 @@ private static String contentToString(ChatCompletionSystemMessageParam.Content c
   }
 
   private static String contentToString(ChatCompletionUserMessageParam.Content content) {
-    if (content.isTextContent()) {
-      return content.asTextContent();
+    String text = ApiAdapter.get().asText(content);
+    if (text != null) {
+      return text;
     } else if (content.isArrayOfContentParts()) {
       return content.asArrayOfContentParts().stream()
-          .filter(ChatCompletionContentPart::isChatCompletionContentPartText)
-          .map(ChatCompletionContentPart::asChatCompletionContentPartText)
-          .map(ChatCompletionContentPartText::text)
+          .map(ApiAdapter.get()::extractText)
+          .filter(Objects::nonNull)
           .collect(Collectors.joining());
     } else {
       throw new IllegalStateException("Unhandled content type for " + content);