OpenShift-Guide
gvisor
OpenShift-Guide | gvisor | |
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11 | 64 | |
138 | 15,118 | |
- | 0.8% | |
4.4 | 9.9 | |
4 months ago | about 22 hours ago | |
Python | Go | |
- | Apache License 2.0 |
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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.
OpenShift-Guide
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Running databases and data analytics with Red Hat OpenShift
Tools and Resources for Red Hat OpenShift to run databases and data analytics in a consistent way across clouds to accelerate delivery of cloud-native applications.
- Creating clusters on Microsoft Azure
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Managing virtual machine workloads on OpenShift
Useful Tools for running and managing virtual machine workloads alongside container workloads on OpenShift.
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Developing with Quarkus on Red Hat OpenShift
Useful Tools and Resources for developing with Quarkus on OpenShift.
- Setting up Development Environments with OpenShift
- Using Jupyter Labs on OpenShift Data Science
- Using Jupyter Labs on OpenShift for Data Science
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Developing with OpenShift
Useful tools and resources for managing your workflow with OpenShift. Such as setting up Red Hat CodeReady Containers (CRC) OpenShift, Podman, Buildah, Skopeo, and File systems for storage.
- Developing Network Security Zones with OpenShift
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Tools and Resources for OpenShift
A useful set of Tools and Learning Resources for OpenShift.
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).
What are some alternatives?
Openshift Origin - Conformance test suite for OpenShift
firecracker - Secure and fast microVMs for serverless computing.
claudie - Cloud-agnostic managed Kubernetes
podman - Podman: A tool for managing OCI containers and pods.
powerfulseal - A powerful testing tool for Kubernetes clusters.
wsl-vpnkit - Provides network connectivity to WSL 2 when blocked by VPN
kcli - Management tool for libvirt/aws/gcp/kubevirt/openstack/ovirt/vsphere/packet
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/
chaostoolkit - Chaos Engineering Toolkit & Orchestration for Developers
sysbox - An open-source, next-generation "runc" that empowers rootless containers to run workloads such as Systemd, Docker, Kubernetes, just like VMs.
containerd - An open and reliable container runtime
KubeArmor - Runtime Security Enforcement System. Workload hardening/sandboxing and implementing least-permissive policies made easy leveraging LSMs (BPF-LSM, AppArmor).