Chapter 10. Practical Patterns for Operating OpenShift Clusters at Scale
Throughout this book, you’ve learned a lot of practical tips when it comes to operating OpenShift clusters: how to get a cluster installed, installing a specific software application, be it business software or software to help you operate the cluster, and knowing the security implications of running software on OpenShift.
You also learned about OpenShift operators that help you to automate several aspects of cluster operations, such as running a CI/CD system or configuring a cluster using the GitOps methodology. Chapter 9 showed how to implement your own operator to automate an operations piece that’s specific to your situation.
All this information aims to help you build and operate single or multiple OpenShift clusters in your specific environment. OpenShift adds lots of functionality to Kubernetes to make working with Kubernetes easy for you. That being said, OpenShift cannot answer every organizational consideration. That’s where your job, as an operator of OpenShift clusters, starts.
This last chapter will give you a few indications to help you build or steer an organization that operates OpenShift clusters toward using the SRE approach. The focus of this chapter is on operating multiple clusters: a fleet of OpenShift clusters.
Cluster Lifecycle
Operating OpenShift clusters starts with installing a new cluster for the user who needs it, for example, an internal development organization. ...
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