higress-group/higress

wasm plugin support custom stats_tags

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#1,148 opened on Jul 23, 2024

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area/observabilityhelp wantedlevel/normal

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Description

Why do you need it?

我正在开发一个插件用来记录某些特定模型的响应延迟情况，作为评估是否该扩容的指标之一，但是我发现通过 /stats/prometheus 读取的metrics不能解析这些指标的label，似乎这些指标的label解析固定在了 stats_tags 配置中，还没有修改的办法，希望能有自定义操作它的方法，无论通过configmap or xds，我还不太清楚怎么实现。

Contributor guide

Research direction
Investigate how stats tags are currently parsed in the wasm plugin and where customization could be added via configmap or xds. The user wants to customize stats tags for specific models.
Tech stack
gowasm
Domain
backend
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
GoWASM
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40