Kubelet Deep Dive - Writing a Kubelet in Rust

Dive deep into the inner workings of Kubelet in this 20-minute conference talk from KubeCon + CloudNativeCon Europe 2021. Explore the development of a Kubelet implementation in Rust, gaining valuable insights into its behavior and integration within Kubernetes deployments. Learn about Kubelet's crucial role, its relationship with Kubernetes Operators and the Container Runtime Interface (CRI), and discover important crates for Kubernetes development in Rust. Gain knowledge on Operator development, gRPC usage, and evaluate the pros and cons of using Rust for Kubernetes development. Perfect for intermediate Kubernetes users looking to deepen their understanding of this critical component.

Intro
About Me • Rust - 3 years Microservices
Kubernetes Architecture
Controller Pattern . (Mostly) immutable resource objects. • Monitor for changes to objects of a particular resource.
Aside: Operators • Controller with: Custom Resource Definition Application / domain specific
Rust for Distributed Apps
Rust Ecosystem • Many fantastic crates Serde
Rust State Machine • A Fistful of States: More State Machine Patterns in Rust Flexible framework for implementing Kubelet control loop. Compile-time enforcement
Krustlet Architecture