Extend Kubernetes Using Rust: A Quick Introduction to kube-rs

Talk presented at:

• 2025 Rust Talks Bern #1 @Puzzle ITC AG
• 2025 Rust Talks Luzern #3 @Noser Engineering AG

Overview

This repository contains the presentation materials and code examples for a talk introducing kube-rs, the Rust crate for interacting with Kubernetes. The talk demonstrates how to extend Kubernetes using Rust, covering basic API interactions, watching resources, and building custom controllers.

Contents

• talk/ - Presentation slides
• deployment-crud/ - Example demonstrating CRUD operations on Kubernetes Deployments
• pod-watcher/ - Example showing how to watch Pod events in real-time
• pod-reflector/ - Example implementing a reflector pattern for Pod state
• website/ - Example controller for static website hosting

Resources

• https://kube.rs
• https://github.com/kube-rs/version-rs
• https://github.com/kube-rs/controller-rs
• kube-rs/kube#584
• https://github.com/olix0r/kubert
• https://ahmet.im/blog/controller-pitfalls/
• https://github.com/linkerd/linkerd2/tree/582f1afa5ebf0f3d227a0260bc611e987fcd261e/policy-controller
• https://youtu.be/rXS-3hFYVjc?si=yXjWGOQQgYnkH5-D