0690b79d2f
Automatic merge from submit-queue (batch tested with PRs 53317, 52186). 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>. Change default --cert-dir for kubelet to a non-transient location The default kubelet `--cert-dir` location is `/var/run/kubernetes`, which is automatically erased on reboot on many platforms. As of 1.8.0, kubelet TLS bootstrapping and cert rotation now persist files in `--cert-dir`, this should default to a non-transient location. Default it to the `pki` subfolder of the default `--root-dir` Fixes #53288 Additionally, since `kubeadm` expects a running (albeit crashlooping) kubelet prior to running `kubeadm init` or `kubeadm join`, and was using the default `--root-dir` of `/var/lib/kubelet`, it should not expect that folder to be empty as a pre-init check. Fixes https://github.com/kubernetes/kubernetes/issues/53356 ```release-note kubelet: `--cert-dir` now defaults to `/var/lib/kubelet/pki`, in order to ensure bootstrapped and rotated certificates persist beyond a reboot. ``` |
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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
If you are less impatient, 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.