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Windows Container Networking CNI

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Overview

This repo contains plugins meant for testing/development of latest windows features. Their primary use case right now is with a CRI and containerd

CNI Plugins Available

  • sdnoverlay
  • nat
  • sdnbridge

Releases

Create a checkpoint for a release using tags

git tag -a v0.3.1 -m "includes intent-based cni config generation script"

git push origin v0.3.1

The below make command creates a sha signed package under the release directory.

make release

These packages need to be uploaded manually while publishing a release from GitHub portal.

To publish a release, go to the Releases section in the portal, and click on 'Draft a new release'.

Choose the tag created, and upload the packages. Make sure to add context about the release and list down the major changes. Hit 'Publish Release' and you are done.

  • ToDo: Automated Release

Build

These plugins are made for windows and need to be compiled for windows. However, you can cross-compile them from Linux.

If you have make installed on your system:

make all - will build all plugins: nat.exe, sdnbridge.exe, and sdnoverlay.exe make <plugin> - will build an individual plugin

Else:

GOOS=windows GOARCH=amd64 go build -v -o out/<plugin>.exe plugins/<plugin>/*.go

Building inside a Linux container

On a Linux machine, run make dev, then make all. That will cross-build the Windows binaries in a clean environment.

Testing

There is a test suite that should be run (make test) before any changes. Opening a PR should trigger a Jenkins run that will run all the tests. If you wish to run them locally, you'll need a nanoserver image pulled from docker.

Currently there are two groups of end-to-end tests shared by all the plugins

  • Properties Verification - tests an add command and verifies that the resulting state is as expected. I.e. we attach an endpoint that endpoint has policy x,y,z etc.
  • Connectivity Testing - creates a container and makes a CNI call for it and verifies that the container has connectivity for pod-to-pod, host-to-pod, pod-to-host, and pod-to-internet

Contributing

This project welcomes contributions and suggestions. Most contributions require you to agree to a Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us the rights to use your contribution. For details, visit https://cla.microsoft.com.

When you submit a pull request, a CLA-bot will automatically determine whether you need to provide a CLA and decorate the PR appropriately (e.g., label, comment). Simply follow the instructions provided by the bot. You will only need to do this once across all repos using our CLA.

Code of Conduct

This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact opencode@microsoft.com with any additional questions or comments.

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Container networking plugins for Windows containers

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