hyperlight-dev / hyperlight-wasm
hyperlight-wasm is a rust library crate that enables Wasm Modules and components to be run inside lightweight Virtual Machine backed Sandbox. It is built on top of Hyperlight.
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Repository Overview (README excerpt)
Crawler viewHyperlight-Wasm - Run Wasm Modules in a Virtual Machine backed sandbox _Hyperlight-Wasm_ is a component that enables Wasm Modules to be run inside lightweight Virtual Machine backed Sandbox. Its purpose is to enable applications to safely run untrusted or third party Wasm code within a VM with very low latency/overhead. It is built on top of Hyperlight. Hyperlight-Wasm currently supports running applications using either the Windows Hypervisor Platform on Windows, KVM on Linux or /dev/mshv. WARNING: This is experimental code. It is not considered production-grade by its developers, neither is it "supported" software. This repo contains hyperlight-wasm along with a couple of sample Wasm modules and an example host application that can be used to either test or try it out. This document contains instructions on building . For usage instructions, please see RustDev.md. Prerequisites Windows Make sure the following are installed: • Rust • just. is used as a command runner . Do not install with Chocolately because it installs an older incompatible version, make sure to use at least version 1.5.0 if not installed through cargo. • pwsh • git • GitHub CLI • wasm-tools • cargo component Ensure that Windows Hypervisor Platform is enabled: Linux Ubuntu/KVM Make sure the following are installed: • build-essential: • Rust • just. is used as a command runner . Do not install through a package manager as it may install an older incompatible version, make sure to use at least version 1.5.0 if not installed through cargo. • GitHub CLI • wasm-tools • cargo component Ensure that KVM is enabled: On an Azure VM using a size that supports nested virtualisation: If KVM is installed and available you should see the output You should also add your user to the kvm group: Building NOTE: Ensure that you use version 1.89 of rust toolchain. Now you can build the Rust Wasm library: And the example wasm modules used by the tests: Then you can test the Rust Wasm library and run the example: Component Model support Hyperlight-Wasm has experimental support for running WebAssembly Component Model components, rather than core wasm modules. In this mode, set the environment variable to point to a binary encoding of a component type (e.g. the result of running ), which will ensure that the resultant library includes a guest binary that is specialised to load components with that type. Then, use to generate bindings from the same component type in the host. For a complete (albeit small) example of this, see this example. Debugging the macro You can get more detailed error messages by expanding the Macro locally: 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. FOSSA Status