Network metrics, from egressd to kvisor

[angelbarrera92]

Hi team,

I'm currently working on replacing my existing egressd setup with kvisor and wanted to share a few observations and missing features I've encountered during the process:

• Metrics backend: kvisor currently uses ClickHouse; I'd like to see support for Prometheus as a backend.
• Required mounting of /sys/fs/bpf to get it working properly.
• Needed to run some sysctl commands in init containers to make it work on Flatcar OS.
• Had to modify the Makefile slightly to support cross-compilation for a different architecture than the build environment.

I'll be opening a PR shortly to address these items. Looking forward to your feedback!

[anjmao]

Hi @angelbarrera92

Adding prom exporter would be useful for sure :)

As for /sys/fs/bpf and sysctl this sounds like a custom environment which we do not support officially. But if you can make it optional thats fine.