Conceptually, Operators take human operational knowledge and encode it into
software that is more easily shared with consumers.
Operators are pieces of software that ease the operational complexity of running
another piece of software. They act like an extension of the software vendor’s
engineering team, watching over a Kubernetes environment (such as
OpenShift Container Platform) and using its current state to make decisions in real time.
Advanced Operators are designed to handle upgrades seamlessly, react to failures
automatically, and not take shortcuts, like skipping a software backup process
to save time.
More technically, Operators are a method of packaging, deploying, and managing a
A Kubernetes application is an app that is both deployed on Kubernetes and
managed using the Kubernetes APIs and
oc tooling. To be able to
make the most of Kubernetes, you require a set of cohesive APIs to extend in order
to service and manage your apps that run on Kubernetes. Think of
Operators as the runtime that manages this type of app on Kubernetes.