47b2593d59
This creates a new EndpointSliceProxying feature gate to cover EndpointSlice consumption (kube-proxy) and allow the existing EndpointSlice feature gate to focus on EndpointSlice production only. Along with that addition, this enables the EndpointSlice feature gate by default, now only affecting the controller. The rationale here is that it's really difficult to guarantee all EndpointSlices are created in a cluster upgrade process before kube-proxy attempts to consume them. Although masters are generally upgraded before nodes, and in most cases, the controller would have enough time to create EndpointSlices before a new node with kube-proxy spun up, there are plenty of edge cases where that might not be the case. The primary limitation on EndpointSlice creation is the API rate limit of 20QPS. In clusters with a lot of endpoints and/or with a lot of other API requests, it could be difficult to create all the EndpointSlices before a new node with kube-proxy targeting EndpointSlices spun up. Separating this into 2 feature gates allows for a more gradual rollout with the EndpointSlice controller being enabled by default in 1.18, and EndpointSlices for kube-proxy being enabled by default in the next release. |
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| WORKSPACE | ||
Kubernetes
Kubernetes is an open source system for managing containerized applications across multiple hosts. It provides basic mechanisms for deployment, maintenance, and scaling of applications.
Kubernetes builds upon a decade and a half of experience at Google running production workloads at scale using a system called Borg, combined with best-of-breed ideas and practices from the community.
Kubernetes is hosted by the Cloud Native Computing Foundation (CNCF). If your company wants to help shape the evolution of technologies that are container-packaged, dynamically scheduled, and microservices-oriented, consider joining the CNCF. For details about who's involved and how Kubernetes plays a role, read the CNCF announcement.
To start using Kubernetes
See our documentation on kubernetes.io.
Try our interactive tutorial.
Take a free course on Scalable Microservices with Kubernetes.
To use Kubernetes code as a library in other applications, see the list of published components.
Use of the k8s.io/kubernetes module or k8s.io/kubernetes/... packages as libraries is not supported.
To start developing Kubernetes
The community repository hosts all information about building Kubernetes from source, how to contribute code and documentation, who to contact about what, etc.
If you want to build Kubernetes right away there are two options:
You have a working Go environment.
mkdir -p $GOPATH/src/k8s.io
cd $GOPATH/src/k8s.io
git clone https://github.com/kubernetes/kubernetes
cd kubernetes
make
You have a working Docker environment.
git clone https://github.com/kubernetes/kubernetes
cd kubernetes
make quick-release
For the full story, head over to the developer's documentation.
Support
If you need support, start with the troubleshooting guide, and work your way through the process that we've outlined.
That said, if you have questions, reach out to us one way or another.