Kubernetes Webhooks made easy with OpenFaaS

Kubernetes Webhooks made easy with OpenFaaS

Kubernetes Webhooks made easy with OpenFaaS. In this post you’ll learn how to write Kubernetes Admission webhooks using OpenFaaS functions.

In this post you'll learn how to write Kubernetes Admission webhooks using OpenFaaS functions

Introduction to Kubernetes Admission webhooks

Admission webhooks are HTTP callbacks that receive admission requests and do something with them. You can define two types of admission webhooks, validating admission webhook and mutating admission webhook. Mutating admission webhooks are invoked first, and can modify objects sent to the API server to enforce custom defaults. After all object modifications are complete, and after the incoming object is validate by the API server, validating admission webhooks are invoked and can reject requests to enforce custom policies.

Using OpenFaaS in this design, we can focus on our core logic more than designing the microservice itself and simply create application without being worry about how to build and deploy.

kubernetes openfaas kubernetes webhooks

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