f64baf755e
Currently kubeadm supports a couple of configuration versions - v1alpha3 and v1beta1. The former is deprecated, but still supported. To discourage users from using it and to speedup conversion to newer versions, we disable the loading of deprecated configurations by all kubeadm sub-commands, but "kubeadm config migrate". v1alpha3 is still present and supported at source level, but cannot be used directly with kubeadm and some of its internal APIs. The added benefit to this is, that users won't need to lookup for an old kubeadm binary after upgrade, just because they were stuck with a deprecated config version for too long. To achieve this, the following was done: - ValidateSupportedVersion now has an allowDeprecated boolean parameter, that controls if the function should return an error upon detecting deprecated config version. Currently the only deprecated version is v1alpha3. - ValidateSupportedVersion is made package private, because it's not used outside of the package anyway. - BytesToInitConfiguration and LoadJoinConfigurationFromFile are modified to disallow loading of deprecated kubeadm config versions. An error message, that points users to kubeadm config migrate is returned. - MigrateOldConfig is still allowed to load deprecated kubeadm config versions. - A bunch of tests were fixed to not expect success if v1alpha3 config is supplied. Signed-off-by: Rostislav M. Georgiev <rostislavg@vmware.com> |
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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.