envoyproxy/envoy

Active HC and outlier detection events remote sink

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#8,970 opened on Nov 11, 2019

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design proposalhelp wanted

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Description

Define and implement HC and outlier detection event gRPC streaming to a remote endpoint

Description: It would be nice to have an ability to stream active healthcheck and outlier detection events into some sort of remote gRPC service. For now, only file sinks are available. Having gRPC interface would allow having unified reporting infrastructure, i.e. report everything to gRPC endpoints, instead of having gRPC endpoint for access logs, but some log collector agent+log rotation for events

Contributor guide

Research direction
Review existing file sink implementation for health check and outlier detection events in Envoy. Understand the event data structures. Design a gRPC service definition and implement a new sink that streams events to a remote endpoint. Ensure proper connection management, error handling, and backpressure.
Tech stack
cpp
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.
3-5 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
C++EnvoygRPC
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30