c6d77ee656
Automatic merge from submit-queue (batch tested with PRs 61284, 61119, 61201). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. Add AUTOSCALER_ENV_VARS to kube-env to hotfix cluster autoscaler This provides a temporary way for the cluster autoscaler to get at values that were removed from kube-env in #60020. Ideally this information will eventually be available via e.g. the Cluster API, because kube-env is an internal interface that carries no stability guarantees. This is the first half of the fix; the other half is that cluster autoscaler needs to be modified to read from AUTOSCALER_ENV_VARS, if it is available. Since cluster autoscaler was also reading KUBELET_TEST_ARGS for the kube-reserved flag, and we don't want to resurrect KUBELET_TEST_ARGS in kube-env, we opted to create AUTOSCALER_ENV_VARS instead of just adding back the old env vars. This also makes it clear that we have an ugly dependency on kube-env. ```release-note NONE ``` |
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Kubernetes
Kubernetes is an open source system for managing containerized applications across multiple hosts; providing 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 you are a company that 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 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.
$ go get -d k8s.io/kubernetes
$ cd $GOPATH/src/k8s.io/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.