Hi Otto, webhooks in general are optional components of the k8s operator pattern. Mostly used for validation, sometimes for changing custom resources and handling multiple versions, etc. It's an optional component in the Flink Kubernetes Operator too.
Regards, Matyas On Fri, Dec 9, 2022 at 5:59 AM Andrew Otto <o...@wikimedia.org> wrote: > Hello! > > What is the Flink Kubernetes Webhook > <https://nightlies.apache.org/flink/flink-kubernetes-operator-docs-main/docs/concepts/architecture/#admission-control> > for? I probably don't know just because I don't know k8s that well, but > reading code and other docs didn't particular enlighten me :) > > It looks like maybe its for doing some extra validation of k8s API > requests, and allows you to customize how those requests are validated and > processed if you have special requirements to do so. > > Since it can be so easily disabled > <https://nightlies.apache.org/flink/flink-kubernetes-operator-docs-main/docs/try-flink-kubernetes-operator/quick-start/#deploying-the-operator>, > do we need to install it for production use? FWIW, we will not be using > FlinkSessionJob, so perhaps we don't need it if we don't use that? > > Thanks! > -Andrew Otto > Wikimedia Foundation >
