"To accept something on mere presumption and, likewise, to fail to investigate it may cover over, blind, and lead astray."
- Abu Nasr Al-Farabi
- Abu Nasr Al-Farabi
A functional OpenStack cloud environment cannot be achieved without having full control of every piece and component running in it. Being a proponent of keeping an eye on the resources and services running the OpenStack infrastructure is a step in the right direction. Monitoring is not limited to defining which problems can appear and how to react against them, but also is a pre-maintenance exercise where operators report the trend of resources usage and decide how the cloud architecture can be adjusted in terms of design and deployment. As you will learn in this chapter, the Telemetry...