874ceb0fdf
Originally raised as an issue with invalid versions to plan, but it has been determined with air gapped environments and development versions it is not possible to fully address that issue. But one thing that was identified was that we can do a better job in how we output the upgrade plan information. Kubeadm outputs the requested version as "Latest stable version", though that may not actually be the case. For this instance, we want to change this to "Target version" to be a little more accurate. Then in the component upgrade table that is emitted, the last column of AVAILABLE isn't quite right either. Also changing this to TARGET to reflect that this is the version we are targetting to upgrade to, regardless of its availability. There could be some improvements in checking available versions, particularly in air gapped environments, to make sure we actually have access to the requested version. But this at least clarifies some of the output a bit. Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com> |
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Kubernetes (K8s)
Kubernetes, also known as K8s, 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 K8s
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 K8s
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.