OAuth Azure IMDS Kafka example

[emasab]

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What

Checklist

• Contains customer facing changes? Including API/behavior changes
• Did you add sufficient unit test and/or integration test coverage for this PR?
  • If not, please explain why it is not required

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JIRA:

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[Copilot]

Pull Request Overview

This PR updates the confluent-kafka-javascript library to use librdkafka v2.12.0-RC2 and adds an OAuth Azure IMDS (Instance Metadata Service) example for Kafka authentication. The changes demonstrate how to configure OAuth OIDC authentication using Azure managed identity.

• Updates librdkafka dependency from v2.11.1 to v2.12.0-RC2
• Adds Azure IMDS OAuth example demonstrating managed identity authentication
• Updates changelog to document new features and version bump

Reviewed Changes

Copilot reviewed 5 out of 7 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
package.json	Updates librdkafka version dependencies to v2.12.0-RC2
lib/error.js	Updates generated comment to reflect new librdkafka version
examples/kafkajs/oauthbearer_oidc_azure_imds.js	Adds new example showing OAuth OIDC Azure IMDS configuration
deps/librdkafka	Updates subproject commit to point to librdkafka v2.12.0-RC2
CHANGELOG.md	Documents v1.6.0 release with librdkafka update and Azure IMDS example

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[Copilot]

The empty values in bootstrapServers and azureIMDSQueryParams should include comments explaining what values users need to provide. Consider adding inline comments or a header comment with examples of valid values.

Suggested change

	async function run() {
	const bootstrapServers = "";
	async function run() {
	// Specify the Kafka bootstrap servers as a comma-separated list.
	// Example: "my-kafka-broker1:9093,my-kafka-broker2:9093"
	const bootstrapServers = "";
	// Specify Azure IMDS query parameters.
	// Example: "api-version=2018-02-01&resource=https://my-resource&client_id=my-client-id"

[Copilot]

The changelog entry has an incomplete reference '(#)' that should contain the actual issue or PR number.

Suggested change

	an Azure IMDS endpoint using an attached managed identity as principal (#).
	an Azure IMDS endpoint using an attached managed identity as principal (#321).

[sonarqube-confluent]

Analysis Details

0 Issues

• 0 Bugs
• 0 Vulnerabilities
• 0 Code Smells

Coverage and Duplications

• No coverage information (70.90% Estimated after merge)
• No duplication information (2.00% Estimated after merge)

Project ID: confluent-kafka-javascript

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