Quick reference

• The official OpenCloudOS (nettrace) docker image.

• Maintained by: openEuler CloudNative SIG.

• Where to get help: openEuler CloudNative SIG, openEuler.

OpenCloudOS | openEuler

Current OpenCloudOS images are built on the openEuler. This repository is free to use and exempted from per-user rate limits.

OpenCloudOS is an open-source Linux operating system community initiative led by Tencent and other companies. This image packages nettrace, the flagship eBPF-based network diagnostic tool from OpenCloudOS. nettrace provides network packet tracing, fault diagnosis, and anomaly monitoring capabilities for Linux cloud-native environments.

Read more on OpenCloudOS GitHub and nettrace.

Supported tags and respective dockerfile links

The tag of each opencloudos docker image is consist of the version of opencloudos and the version of basic image. The details are as follows

Tag	Currently	Architectures
1.2.11-oe2403sp3	OpenCloudOS nettrace 1.2.11 on openEuler 24.03-LTS-SP3	amd64, arm64

Usage

In this usage, users can select the corresponding {Tag} based on their requirements.

• Pull the openeuler/opencloudos image from docker

  docker pull openeuler/opencloudos:{Tag}
  

• Run nettrace to trace network packets (requires privileged mode and host network)

  docker run --rm --privileged --network host \
      -v /lib/modules:/lib/modules:ro \
      openeuler/opencloudos:{Tag} \
      nettrace -p icmp
  

• Diagnose network drop events

  docker run --rm --privileged --network host \
      -v /lib/modules:/lib/modules:ro \
      openeuler/opencloudos:{Tag} \
      nettrace --drop
  

Question and answering

If you have any questions or want to use some special features, please submit an issue or a pull request on openeuler-docker-images.