Summary

This chapter covered two essential practices for operating an OpenStack environment, exploring the possible ways to monitor and log. Both deployed monitoring and logging stacks can vary from one setup to another, depending on the operator’s experience and their familiarity with a specific tool, or some other third-party solutions. One of the best practices is to always monitor what is happening under and on top of the cloud platform, providing the necessary ways to capture metrics and collect data before it reaches a higher severity level and you have to start dealing with incidents. Prometheus, as demonstrated throughout this chapter, provides a multitude of configurations, and with the simple integration of exporters, cloud operators can easily ship metrics in an automated fashion. A single pane, Grafana, centralizes all the metrics in comprehensive dashboards, and operators can closely observe different system elements’ trends. The OpenStack telemetry service...