higress-group/higress

Implement ingress annotaion&CRD to support HTTP/JSON to gRPC

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#148 opened on Jan 30, 2023

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area/annotationarea/apihelp wantedlevel/challengesig/controller

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Description

Why do you need it?

Allows a RESTful JSON API client to send requests to Higress over HTTP and get proxied to a gRPC service.

How could it be?

  • Design a CRD that defines the proto of gRPC Service.
  • Implement the mechanism of sending proto files to higress gateway
  • Design & implement the annotation conversion to istio envoyfilter api

Other related information

https://www.envoyproxy.io/docs/envoy/latest/configuration/http/http_filters/grpc_json_transcoder_filter

Contributor guide

Research direction
Design a CRD to define gRPC service proto and implement annotation conversion to Envoy Filter API for HTTP/JSON to gRPC transcoding.
Tech stack
go
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.
1-2 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.
Mostly clear
Prerequisites
GoKubernetesgRPC
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
35