Extending the Kubernetes API
Kubernetes is an extremely flexible platform. It was designed from the get-go for extensibility and as it evolved, more parts of Kubernetes were opened up, exposed through robust interfaces, and could be replaced by alternative implementations. I would venture to say that the exponential adoption of Kubernetes across the board by start-ups, large companies, infrastructure providers, and cloud providers is a direct result of Kubernetes providing a lot of capabilities out of the box, but allowing easy integration with other actors. In this section, we will cover many of the available extension points, such as:
- User-defined types (custom resources)
- API access extensions
- Infrastructure extensions
- Operators
- Scheduler extensions
Let’s understand the various ways you can extend Kubernetes.
Understanding Kubernetes extension points and patterns
Kubernetes is made of multiple components: the API server...
