Table of Contents

1. About Imagswap
2. Getting Started
   • Prerequisites
   • Installation
3. Usage
4. Roadmap
5. Contributing
6. License
7. Contact
8. Acknowledgments

About The Project

Imageswap is a simple program written in Go that is used to perform image registry hostname transformations as a Kubernetes mutating webook.

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Getting Started

This is an example of how you may give instructions on setting up your project locally. To get a local copy up and running follow these simple example steps.

Prerequisites

• Go 1.17.1
• Docker
• KinD

Installation

To compile only the imageswap binary:

go build -o imageswap main.go

Or, to output to build/_output/bin/

make build

Alternatively, to build the binary and create a container image to host it:

make build-image

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Usage

Please see Makefile and internal/deploy/ for materials used to test the webhook locally using KinD. The manifests in internal/deploy/ can be used as a starting place for deploying

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Roadmap

All dates are TBD, this project is passively developed

• Makefile test
  • Unit Testing
• Makefile fmt
• Makefile lint
  • golangcli-lint
• Validating webhook
• More complete examples
• CI pipeline
• Serve on 8080 (insecure)
• Helm Chart

See the open issues for a full list of proposed features (and known issues).

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Contributing

Contributions are what make the open source community such an amazing place to learn, inspire, and create. Any contributions you make are greatly appreciated.

If you have a suggestion that would make this better, please fork the repo and create a pull request. You can also simply open an issue with the tag "enhancement". Don't forget to give the project a star! Thanks again!

1. Fork the Project
2. Create your Feature Branch (git checkout -b feature/AmazingFeature)
3. Commit your Changes (git commit -m 'Add some AmazingFeature')
4. Push to the Branch (git push origin feature/AmazingFeature)
5. Open a Pull Request

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License

Distributed under the Apache 2.0 License. See LICENSE for more information.

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Contact

Tim Seagren - LinkedIn - seagrentime@gmail.com

Project Link: https://github.com/chaospuppy/imageswap

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Acknowledgments

• douglasmakey's admissionscontroller was used for large portions of the server, pod, and hook packages
• morvencaos's mutating webhook tutorial was leveraged for it's Kubernetes CSA and webhook CA patch scripts (internal/deploy/webhook-create-signed-cert.sh and internal/deploy/webhook-patch-ca-bundle.sh respectively)
• KinD with registry

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