Chapter 10: Real-Time Monitoring and Resource Management of a Kubernetes Cluster

The availability of services is one of the critical components of the Confidentiality, Integrity and Availability (CIA) triad. There have been many instances of malicious attackers using different techniques to disrupt the availability of services for users. Some of these attacks on critical infrastructure such as the electricity grid and banks have resulted in significant losses to the economy. One of the most significant attacks was an attack on Amazon AWS Route 53 infrastructure that resulted in the disruption of core IT services all over the world. To avoid such issues, infrastructure engineers monitor resource usage and application health in real time to ensure the availability of services offered by an organization. Real-time monitoring is often plugged into an alert system that notifies the stakeholders when symptoms of service disruption are observed.

In this chapter, we will look at how you...