July 2019
Intermediate to advanced
502 pages
14h
English
Content preview from Hands-On Microservices with Kubernetes
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Kubernetes custom resources
Kubernetes is a very extensible platform. You can add your own resources to the Kubernetes API and enjoy all the benefits of the API machinery, including kubectl support to manage them. Yes, it's that good. The first thing you need to do is define a custom resource, also known as a CRD. The definition will specify endpoints on the Kubernetes API, the version, scope, kind, and the names that are used to interact with resources of this new type.
Here is a superheroes CRD:
apiVersion: apiextensions.k8s.io/v1beta1kind: CustomResourceDefinitionmetadata: # name must match the spec fields below, and be in the form: <plural>.<group> name: superheros.example.orgspec: # group name to use for REST API: /apis/<group>/<version> ...