registry.k8s.io
kubevirt
registry.k8s.io | kubevirt | |
---|---|---|
20 | 50 | |
350 | 5,129 | |
2.6% | 2.2% | |
7.2 | 10.0 | |
4 months ago | 6 days ago | |
Go | Go | |
Apache License 2.0 | 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.
registry.k8s.io
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Pull through cache, like AWS just announced
If you stop to think about, what AWS is selling here, it's quite funny. Most of the infrastructure behind registry.k8s.io is hosted on AWS (and also GCP). So AWS essentially tells you: Don't trust the upstream registry, it might go down, cache it on your own registry, hosted also by us.
- Resilient image cache/mirror
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Announcing pull through cache for registry.k8s.io in Amazon Elastic Container Registry
For example: if you only allow cluster autoscaler and metrics server from registry.k8s.io you can pull those images through the cache as someone who has create repo IAM privileges. If someone without create repo privileges tries to pull a new image it will fail because they can't create the initial repo.
- How are they doing it?
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registry.k8s.io down from Paris, France?
https://registry.k8s.io (the root url at /) redirects you to https://github.com/kubernetes/registry.k8s.io where we have an issue tracker.
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FailedCreatePodSandBox
❗ This container is having trouble accessing https://registry.k8s.io
- registry.k8s.io/README.md at main · kubernetes/registry.k8s.io · GitHub
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How to own your own Docker Registry address
Hosting a forwarding / redirect server instead of actually hosting images is probably a decent idea.
The K8s proxy is redirecting from only hosting on GCR to community-owned registries - https://kubernetes.io/blog/2023/03/10/image-registry-redirec...
You can view the code here - https://github.com/kubernetes/registry.k8s.io
But because everyone is already pointing at gcr.io (just like many openfaas users point at docker.io/) - they're having to do a huge campaign to announce the new URL - the same would apply with the author's solution here.
I wrote some automation for hosting (not redirects) in arkade with the OSS registry - Get a TLS-enabled Docker registry in 5 minutes - https://blog.alexellis.io/get-a-tls-enabled-docker-registry-...
The registry is also something you can run on a VM if you so wish, and have act as a pull through cache.
Apart from reliability - GitHub's container registry is the current next best option - but we have to ask ourselves, what happens when they start charging or the outages start to last longer or are more frequent than 1-2 times per week as we've seen in Q1 2023.
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Docker's deleting Open Source images and here's what you need to know
One annoyance with how docker images are specified is they include the location where they are stored. So if you want to change where you store you image you break everyone.
I wonder if what regsitry.k8s.io does could be generalized:
https://github.com/kubernetes/registry.k8s.io/blob/main/cmd/...
The idea is the depending on which cloud you are pulling the image from, they will use the closest blob store to service the request. This also has the effect that you could change the source of truth for the registry without breaking all Dockerfiles.
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k8s.gcr.io Image Registry Will Be Frozen From the 3rd of April 2023
If you are using updated helm charts then most of them have already replaced with registry.k8s.io, for example nginx ingress so not really breaking change.
kubevirt
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Kubernetes For The Sysadmin - Enter KubeVirt
First, download virtctl for ARM: https://github.com/kubevirt/kubevirt/releases/tag/v1.1.0-alpha.0
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KubeVirt v1.0 has landed! This release demonstrates the accomplishments of the community and user adoption over the years
The full list of changes can be found in the Release notes. There are performance and scalability benchmarks published for the v1.0 release.
- What is the status of Red Hat Enterprise Virtualization and oVirt?
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Proxmox, CEPH and kubernetes
If you're happy with k8s and longhorn, why add Proxmox as another layer underneath? Consider kubevirt ?
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Kubernetes for temporary VM?
Have you looked at http://kubevirt.io/ ?
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How does your company roll out code?
If the answer to "how do you run VMs" is "Kubernetes does it" then its about https://kubevirt.io/
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Docker's deleting Open Source images and here's what you need to know
We are even using Docker Hub to store and distribute VM images...
https://github.com/kubevirt/kubevirt/blob/main/containerimag...
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Blog: KWOK: Kubernetes WithOut Kubelet
Docker Desktop runs dockerd in a Linux VM with Apple's hypervisor framework. You can also run containers in a Linux VM with Parallels or VMware Fusion hypervisors. But you can't run VMs inside those VMs as it stands today. This works fine on Intel Macs which means you can't experiment and use KVM - one of the killer features of Linux and things like https://kubevirt.io/
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Docker + portainer vs k8. EILI5
Proxmox VE can run VMs and LXC containers (see my comment below on LXC). Kubernetes can run OCI containers, but there's also KubeVirt for running VMs.
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Live Switching Pods to another Node on Resource Limits
Another option would be something like KubeVirt but that is a different use case where you are actually running a VM in a container for hard-to-containerize workloads.
What are some alternatives?
official-images - Primary source of truth for the Docker "Official Images" program
harvester - Open source hyperconverged infrastructure (HCI) software
cri-o - Open Container Initiative-based implementation of Kubernetes Container Runtime Interface
firecracker-containerd - firecracker-containerd enables containerd to manage containers as Firecracker microVMs
one-click-apps - Community Maintained One Click Apps (https://github.com/caprover/caprover)
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/
docker-registry-mirror - Helm chart for a Docker registry. Successor to stable/docker-registry chart.
k3s - Lightweight Kubernetes
ipdr - 🐋 IPFS-backed Docker Registry
lxd - Powerful system container and virtual machine manager [Moved to: https://github.com/canonical/lxd]
devenv - Fast, Declarative, Reproducible, and Composable Developer Environments
cloud-hypervisor - A Virtual Machine Monitor for modern Cloud workloads. Features include CPU, memory and device hotplug, support for running Windows and Linux guests, device offload with vhost-user and a minimal compact footprint. Written in Rust with a strong focus on security.