envoyproxy/gateway

Opt in to not require ReferenceGrants for cross namespace non xRoute backends

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#3,450 opened on May 21, 2024

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area/policyhelp wantedkind/decision

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Description

It would be nice to have cross-namespace support and reference-grant opt-out options for:

  • Policy BackendRefs
  • Policy TargetRefs

Maybe also:

  • xRoutes BackendRefs

Originally posted by @guydc in https://github.com/envoyproxy/gateway/issues/3322#issuecomment-2111366683

Contributor guide

Research direction
Investigate the existing ReferenceGrant implementation in Envoy Gateway and identify how to add an opt out option for cross namespace Policy BackendRefs and TargetRefs, following patterns from Kubernetes Gateway API.
Tech stack
gokubernetes
Domain
backendapi
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.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
KubernetesEnvoy Gateway
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40