kairos-io/kairos

feat: add subuid and subgid to ease up use of podman

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#2,788 opened on Aug 3, 2024

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Description

Rootless Podman requires users to have set up subuids and subgids. This can be done in multiple ways. If the files /etc/subuid and /etc/subgid exist, useradd defaults to adding those ranges (see [1]). Those files seem to exist (checked fedora flavor). Yip/entities have not implemented this. Maybe this could be a configurable field in the user map?

[1] https://manpages.ubuntu.com/manpages/jammy/en/man8/useradd.8.html

Contributor guide

Research direction
Investigate how useradd interacts with /etc/subuid and /etc/subgid, then propose a new configurable field in Kairos' user map to manage these files for rootless Podman.
Tech stack
go
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.
Half day
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
GitGoLinux user management
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70