OAuth Azure IMDS Kafka example (#377)

Author: emasab

CHANGELOG.md

@@ -1,3 +1,14 @@
+# confluent-kafka-javascript 1.6.0
+
+v1.6.0 is a feature release. It is supported for all usage.
+
+### Enhancements
+
+1. References librdkafka v2.12.0. Refer to the [librdkafka v2.12.0 release notes](https://github.com/confluentinc/librdkafka/releases/tag/v2.12.0) for more information.
+2. OAuth OIDC method example for Kafka metadata based authentication with
+  an Azure IMDS endpoint using an attached managed identity as principal (#377).
+
+
 # confluent-kafka-javascript 1.5.0
 
 v1.5.0 is a feature release. It is supported for all usage.

deps/librdkafka

@@ -0,0 +1,30 @@
+const { Kafka } = require('@confluentinc/kafka-javascript').KafkaJS;
+
+async function run() {
+    const bootstrapServers = "";
+    const azureIMDSQueryParams = "api-version=&resource=&client_id=";
+    const kafka = new Kafka({
+        'bootstrap.servers': bootstrapServers,
+        'security.protocol': 'SASL_SSL',
+        'sasl.mechanisms': 'OAUTHBEARER',
+        'sasl.oauthbearer.method': 'oidc',
+        'sasl.oauthbearer.metadata.authentication.type': 'azure_imds',
+        'sasl.oauthbearer.config': `query=${azureIMDSQueryParams}`
+    });
+    const producer = kafka.producer();
+
+    await producer.connect();
+    console.log("Producer connected");
+
+    const deliveryReport = await producer.send({
+        topic: 'topic',
+        messages: [
+            { value: 'Hello world!' },
+        ],
+    });
+    console.log("Producer sent message", deliveryReport);
+
+    await producer.disconnect();
+}
+
+run().catch(console.error);

examples/kafkajs/oauthbearer_oidc_azure_imds.js

@@ -28,7 +28,7 @@ LibrdKafkaError.wrap = errorWrap;
  * @constant
  * @memberof RdKafka
  */
-// ====== Generated from librdkafka 2.11.1 file src-cpp/rdkafkacpp.h ======
+// ====== Generated from librdkafka v2.12.0-RC2 file src-cpp/rdkafkacpp.h ======
 LibrdKafkaError.codes = {
 
   /* Internal errors to rdkafka: */

lib/error.js

@@ -2,8 +2,8 @@
   "name": "@confluentinc/kafka-javascript",
   "version": "1.5.0",
   "description": "Node.js bindings for librdkafka",
-  "librdkafka": "2.11.1",
-  "librdkafka_win": "2.11.1",
+  "librdkafka": "v2.12.0-RC2",
+  "librdkafka_win": "v2.12.0-RC2",
   "main": "lib/index.js",
   "types": "types/index.d.ts",
   "scripts": {

package.json

@@ -1,4 +1,4 @@
-// ====== Generated from librdkafka 2.11.1 file CONFIGURATION.md ======
+// ====== Generated from librdkafka v2.12.0-RC2 file CONFIGURATION.md ======
 // Code that generated this is a derivative work of the code from Nam Nguyen
 // https://gist.github.com/ntgn81/066c2c8ec5b4238f85d1e9168a04e3fb
 
@@ -713,6 +713,13 @@ export interface GlobalConfig {
      */
     "sasl.oauthbearer.assertion.jwt.template.file"?: string;
 
+    /**
+     * Type of metadata-based authentication to use for OAUTHBEARER/OIDC `azure_imds` authenticates using the Azure IMDS endpoint. Sets a default value for `sasl.oauthbearer.token.endpoint.url` if missing. Configuration values specific of chosen authentication type can be passed through `sasl.oauthbearer.config`.
+     *
+     * @default none
+     */
+    "sasl.oauthbearer.metadata.authentication.type"?: 'none' | 'azure_imds';
+
     /**
      * List of plugin libraries to load (; separated). The library search path is platform dependent (see dlopen(3) for Unix and LoadLibrary() for Windows). If no filename extension is specified the platform-specific extension (such as .dll or .so) will be appended automatically.
      */

types/config.d.ts

@@ -1,4 +1,4 @@
-// ====== Generated from librdkafka 2.11.1 file src-cpp/rdkafkacpp.h ======
+// ====== Generated from librdkafka v2.12.0-RC2 file src-cpp/rdkafkacpp.h ======
 export const CODES: { ERRORS: {
   /* Internal errors to rdkafka: */
   /** Begin internal error codes (**-200**) */