google/dranet

Fix discovery of device, subsystem_vendor and subsystem_device

Open

#193 opened on Aug 15, 2025

View on GitHub
 (0 comments) (0 reactions) (0 assignees)Go (26 forks)auto 404
help wanted

Repository metrics

Stars
 (160 stars)
PR merge metrics
 (PR metrics pending)

Description

We're looking for these files in the wrong location:

https://github.com/google/dranet/blob/dfd866c6bcb799ee52f5593641becd78fadfea5c/pkg/inventory/sysfs.go#L185-L191

These files are located as /sys/class/net/<INTERFACE_NAME>/device/ and not at /sys/devices/<INTERFACE_NAME>/device

Also, it appears that correctly deriving these values causes some downstream issues where we fail to fetch the device from pcidb:

https://github.com/google/dranet/blob/dfd866c6bcb799ee52f5593641becd78fadfea5c/pkg/inventory/sysfs.go#L194-L199

Contributor guide

Research direction
Fix sysfs path discovery: change from /sys/devices/<INTERFACE NAME>/device to /sys/class/net/<INTERFACE NAME>/device. Then debug pcidb lookup failure for derived values.
Tech stack
go
Domain
backendnetworkinginfrastructure
Issue type
Bug
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
GoLinux sysfs basics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75