envoyproxy/envoy

Get access to node metadata when processing a request in lua

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#31,342 opened on Dec 13, 2023

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enhancementhelp wanted

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Description

Is it possible to access the metadata of a node when processing a request in lua? https://www.envoyproxy.io/docs/envoy/latest/api-v3/config/core/v3/base.proto#envoy-v3-api-msg-config-core-v3-node image

Contributor guide

Research direction
Examine the Envoy Lua HTTP filter source code and documentation to understand how to access node metadata within Lua scripts. Look at the envoy::config::core::v3::Node proto definition and find if it is exposed to Lua.
Tech stack
cpplua
Domain
networkingbackend
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.
Clear
Prerequisites
GitC++Lua
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
45