In this chapter, we covered the process of logging information in OpenStack. You should give importance to how the log files are treated. The troubleshooting tasks rely primarily on the logs' content. A major part of this chapter talks about how one can centralize the OpenStack log files using a Logstash server. Also, it shows a few examples of how one can filter specific log information and present it in an elegant way using Kibana. This forces you to be precise and requires you to take a lot of care during the troubleshooting task. Regarding the increasing load on your OpenStack private Cloud, logs can be huge, and searching for the right information will not be easy. You should appreciate how Logstash makes life easier for the OpenStack logs, with its overwhelming features and filtering capabilities.

Based on the logging and monitoring results, you can conclude that some pieces of the OpenStack environment may face performance degradation and may need to be tuned. Thus, some...