grafana/tempo

Replace go-kit/log with log/slog

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#4,819 opened on Mar 10, 2025

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enhancementgood first issue

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Description

Tempo dependencies like Prometheus have started migrating from go-kit/log to the built-in slog.

https://github.com/prometheus/prometheus/issues/14355

This can be a good opportunity to sunset go-kit

Contributor guide

Research direction
Examine the Prometheus migration (linked issue) for implementation patterns. Then locate all instances of go kit/log in the Tempo codebase and systematically replace them with log/slog, following the Go standard library conventions.
Tech stack
go
Domain
backend
Issue type
Refactor
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.
Clear
Prerequisites
GoGit
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75