envoyproxy/envoy

config: allow double registration with different name and deprecation

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#8,540 opened on Oct 9, 2019

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api/v3enhancementhelp wanted

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Description

Description:

To support extension rename with better deprecation. e.g. allow TLS transport socket to be registered as envoy.transport_socket.tls and tls and the latter should be deprecated.

https://github.com/envoyproxy/envoy/pull/8508#discussion_r332119188

Work Items:

  • double registration
  • warn log
  • deprecated stat
  • DEPRECATED_FEATURE_TEST

Contributor guide

Research direction
Examine the PR #8508 and understand the double registration mechanism. Then add warning logs and implement deprecated stat as per the work items.
Tech stack
cpp
Domain
backend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
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.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
GitC++
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
55