krustlet
by krustlet
Krustlet is a Kubernetes Kubelet implementation in Rust that enables running WebAssembly (WASM) workloads instead of traditional containers.
Kubernetes Rust Kubelet
Primary Use Case
Krustlet is used to schedule and run Kubernetes pods that target the wasm32-wasi architecture, allowing developers to run WebAssembly modules as workloads within Kubernetes clusters. It is ideal for users interested in integrating WASM workloads into Kubernetes environments or building custom Kubelets using Rust.
- Kubelet implementation written in Rust
- Supports scheduling of wasm32-wasi architecture workloads
- Runs WASM workloads using wasmtime runtime instead of container runtimes
- Listens to Kubernetes event streams for pod assignments based on tolerations
- Integration with Kubernetes scheduler and pod lifecycle
- Sister project Krator for writing Kubernetes controllers/operators in Rust
- Community support via Kubernetes Slack and public calls
- Adopts CNCF Code of Conduct
- Leverage Krustlet to run lightweight WebAssembly workloads for sandboxed execution, reducing attack surface compared to traditional containers.
- Integrate Krustlet in DevSecOps pipelines to enforce WASM-based workload policies and improve container security posture.
- Use Krustlet's Rust-based implementation to build custom Kubelets with enhanced security features and memory safety.
- Combine Krustlet with runtime security tools to monitor WASM workloads for anomalous behavior and potential exploitation.
- Explore Krustlet as a platform for developing secure multi-tenant Kubernetes environments with workload isolation via WASM.
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