gvisor
usbarmory
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gvisor | usbarmory | |
---|---|---|
64 | 22 | |
15,066 | 1,334 | |
2.8% | 0.8% | |
9.9 | 5.8 | |
5 days ago | 7 days ago | |
Go | Ruby | |
Apache License 2.0 | - |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
gvisor
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Maestro: A Linux-compatible kernel in Rust
Isn't gVisor kind of this as well?
"gVisor is an application kernel for containers. It limits the host kernel surface accessible to the application while still giving the application access to all the features it expects. Unlike most kernels, gVisor does not assume or require a fixed set of physical resources; instead, it leverages existing host kernel functionality and runs as a normal process. In other words, gVisor implements Linux by way of Linux."
https://github.com/google/gvisor
- Google/Gvisor: Application Kernel for Containers
- GVisor: OCI Runtime with Application Kernel
- How to Escape a Container
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Faster Filesystem Access with Directfs
This sort of feels like seeing someone riding a bike and saying: why don’t they just get a car? The simple fact is that containers and VMs are quite different. Whether something uses VMX and friends or not is also a red herring, as gVisor also “rolls it own VMM” [1].
[1] https://github.com/google/gvisor/tree/master/pkg/sentry/plat...
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OS in Go? Why Not
There's two major production-ready Go-based operating system(-ish) projects:
- Google's gVisor[1] (a re-implementation of a significant subset of the Linux syscall ABI for isolation, also mentioned in the article)
- USBArmory's Tamago[2] (a single-threaded bare-metal Go runtime for SOCs)
Both of these are security-focused with a clear trade off: sacrifice some performance for memory safe and excellent readability (and auditability). I feel like that's the sweet spot for low-level Go - projects that need memory safety but would rather trade some performance for simplicity.
[1]: https://github.com/google/gvisor
[2]: https://github.com/usbarmory/tamago
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Tunwg: Expose your Go HTTP servers online with end to end TLS
It uses gVisor to create a TCP/IP stack in userspace, and starts a wireguard interface on it, which the HTTP server from http.Serve listens on. The library will print a URL after startup, where you can access your server. You can create multiple listeners in one binary.
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How does go playground work?
The playground compiles the program with GOOS=linux, GOARCH=amd64 and runs the program with gVisor. Detailed documentation is available at the gVisor site.
- Searchable Linux Syscall Table for x86 and x86_64
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Multi-tenancy in Kubernetes
You could use a container sandbox like gVisor, light virtual machines as containers (Kata containers, firecracker + containerd) or full virtual machines (virtlet as a CRI).
usbarmory
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Go: What We Got Right, What We Got Wrong
Niklaus Wirth, rest his soul, would disagree.
Like would the the selling USB Armory, with Go written firmware.
https://www.withsecure.com/en/solutions/innovative-security-...
Back in my day, writing compilers and OS services were also systems programming.
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What's Zig got that C, Rust and Go don't have? [video]
Not only you can fit Go into a kernel, there is at least two products that do so.
TamaGo, used to write the firmware used in USB armory.
https://www.withsecure.com/en/solutions/innovative-security-...
TinyGo, which even has official Arduino and ARM support, and is sponsored by Google
https://tinygo.org/
Ah but that isn't proper Go! Well neither is the C code that is allowed to be used in typical kernel code, almost nothing from ISO C standard library is available, and usually plenty of compiler specific language extensions are used instead.
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Bare Metal Rust in Android
> Since 80s everybody designs systems on top of C.
More like since the 1990's, and mostly thanks to the GNU Manifesto and FOSS uptake that took the steam out of C++ adoption being pushed by Apple, IBM and Microsoft.
There is firmware in production written in Go,
https://www.withsecure.com/en/solutions/innovative-security-...
- USB armory – small secure computer from WithSecure (previously F-secure)
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How is Go used in Linux based environments in various companies?
Not exactly but close. No gocoin, but custom (minimal) client based on btcsuite libs. And it is run on USB Armory SoC.
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avbroot: Re-lock bootloader with Magisk installed!
Relocking with your own key is only for experts, it's similar to the USB Armory device for embedded electronics. If you get it wrong you can brick the device, the purpose of doing it is to protect against certain types of boot attacks (like if somebody can get temporary physical access to your phone or even just plant a malicious USB cable which could potentially push malware. If you don't know what you're doing, stay on stock OS.
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Google: C++20, How Hard Could It Be
Plenty of software that is written in C and C++, can be easily done in Go as well, in fact in any AOT compiled managed language.
C++ was born to write distributed systems, nowadays it hardly matters on cloud native infrastructure beyond the OS and hypervisors layer.
This is how Go can be a competitor to C and C++, just like Inferno was basically Plan 9 with Limbo for userspace and very little C beyond the kernel.
And then there are those crazy folks that believe they should ship bare metal AOT compiled languages regardless of others think.
https://www.withsecure.com/en/solutions/innovative-security-...
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Rust 2024 the Year of Everywhere?
Of course it can, there are companies shipping products written in bare metal Go.
https://www.withsecure.com/en/solutions/innovative-security-...
https://github.com/usbarmory/tamago
- Generics can make your Go code slower
- Rust Compiler Ambitions for 2022
What are some alternatives?
firecracker - Secure and fast microVMs for serverless computing.
TinyGo - Go compiler for small places. Microcontrollers, WebAssembly (WASM/WASI), and command-line tools. Based on LLVM.
podman - Podman: A tool for managing OCI containers and pods.
SkyFM
wsl-vpnkit - Provides network connectivity to WSL 2 when blocked by VPN
go-is-not-good - A curated list of articles complaining that go (golang) isn't good enough
kata-containers - Kata Containers is an open source project and community working to build a standard implementation of lightweight Virtual Machines (VMs) that feel and perform like containers, but provide the workload isolation and security advantages of VMs. https://katacontainers.io/
zerosharp - Demo of the potential of C# for systems programming with the .NET native ahead-of-time compilation technology.
sysbox - An open-source, next-generation "runc" that empowers rootless containers to run workloads such as Systemd, Docker, Kubernetes, just like VMs.
tamago - TamaGo - ARM/RISC-V bare metal Go
containerd - An open and reliable container runtime
biscuit - Biscuit research OS