Maintaining Kubernetes Clusters
Kubernetes has been the most vibrant platform in the community over the past few years and it has maintained a good release cadence, which makes Kubernetes maintenance important in order to enable organizations that work with Kubernetes to take advantage of its latest features. This chapter introduces different approaches for maintaining a Kubernetes cluster while providing practical lessons on performing upgrades for Kubernetes clusters, etcd backup, and etcd restore. It covers 25% of the CKA exam content.
In this chapter, we’re going to cover the following main topics:
- Demystifying Kubernetes cluster maintenance
- Performing a version upgrade on a Kubernetes cluster using kubeadm
- Working with etcd
- Backing up and restoring etcd
