kubernetes/kubernetes

Support a list of AppProtocols

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#118,407 opened on Jun 2, 2023

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Description

The Kubernetes Service API allow us to specify an Application Protocol for each Service port. This is used as a hint for implementations to offer richer behavior for protocols that they understand.

According to the docs one of the valid values can be Implementation-defined prefixed names such as mycompany.com/my-custom-protocol.

There are cases where different implementations installed in the same cluster and different behaviors may be needed for the same ports.

Starting a discussion to gather thoughts, ideas and use-cases about the need for multiple appProtocols support for the same port.

Contributor guide

Research direction
Explore the current implementation of appProtocol in Kubernetes Service API, understand how single appProtocol is validated and used, and propose changes to support a list of appProtocols. Investigate existing discussions and implementations in related projects.
Tech stack
go
Domain
backendcloud
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
3-5 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GoKubernetes concepts
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50