cd91e59f7c
This change updates the CSR API to add a new, optional field called expirationSeconds. This field is a request to the signer for the maximum duration the client wishes the cert to have. The signer is free to ignore this request based on its own internal policy. The signers built-in to KCM will honor this field if it is not set to a value greater than --cluster-signing-duration. The minimum allowed value for this field is 600 seconds (ten minutes). This change will help enforce safer durations for certificates in the Kube ecosystem and will help related projects such as cert-manager with their migration to the Kube CSR API. Future enhancements may update the Kubelet to take advantage of this field when it is configured in a way that can tolerate shorter certificate lifespans with regular rotation. Signed-off-by: Monis Khan <mok@vmware.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.
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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.
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