etctv3 can not auto register when reconnected to etcd server

Description

This issue does not include a description.

Contributor guide

Tech stack

go

Domain

backend

Issue type

bug

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.

1-3 hours

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.

mostly clear

Prerequisites

Go programmingetcd basics

Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.

25

Research direction

Investigate the etcd v3 client implementation in go kit/kit, specifically the auto registration logic on reconnection. The issue title suggests that the current code fails to re register when reconnecting to the server. Review the relevant source files (likely in sd/etcdv3 or similar) and check if the registration is tied to a single connection event. Consider whether a watch or retry mechanism is needed.