This article discusses how to monitor OpenStack with Datadog. It explains that a comprehensive monitoring implementation includes all the layers of your deployment, not just the metrics emitted by OpenStack itself. With Datadog, you can collect OpenStack metrics for visualization, alerting, full-infrastructure correlation, and more. The article provides step-by-step instructions on how to configure OpenStack with Datadog, including setting up roles and users, modifying configuration files, installing the Datadog Agent, configuring the Agent, integrating RabbitMQ with Datadog, verifying the configuration, enabling the integration, and viewing the metrics. It also touches upon diagnosing and alerting using Datadog.