ipfs/kubo

Modify metrics lib to allow for direct external adapters

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#2,881 opened on Jun 20, 2016

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help wantedkind/enhancementstatus/deferred

Description

Currently our metrics lib (which is quite nice) allows only to export the data to expvars.

It would be better if it was accessible directly.

Contributor guide

Tech stack
go
Domain
backendobservability
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.
1-3 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.
needs investigation
Prerequisites
Go programmingfamiliarity with expvars
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30
Research direction
The issue requests adding a direct external adapter to the metrics library, which currently only supports expvars export. Look at the metrics library code in the repository (likely in a metrics package). Investigate the current export interface and consider adding a method or adapter that allows any external consumer to access metrics data directly, possibly via a callback or a reader interface. Review any linked pull requests or comments for additional context. The solution should maintain backward compatibility with existing expvars functionality.