23226c24d4
Automatic merge from submit-queue (batch tested with PRs 57896, 58070). 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>. Don't remove APIService from apiHandlerManager when its Available Conditions is not True **What this PR does / why we need it**: I use my own apiserver works together with `kube-apiserver`, i have a custom resource: `databases` and created a `database` named: `db-name-1`. When this apiserver is down(for example: OOMKilled), `kubectl get databases db-name-1 -v 10` returns `404 NotFound`: ``` [{ "metadata": {}, "status": "Failure", "message": "the server could not find the requested resource (get databases.core.example.com db-name-1)”, "reason": "NotFound", "details": { "name": “db-name-1”, "group": "core.example.com", "kind": “databases”, "causes": [ { "reason": "UnexpectedServerResponse", "message": "404 page not found" } ] }, "code": 404 }] ``` But it is not really `NotFound`. So if the APIService is not available, just return 503. There was a PR related with this: #57943 **Release note**: ```release-note kube-apiserver: requests to endpoints handled by unavailable extension API servers (as indicated by an `Available` condition of `false` in the registered APIService) now return `503` errors instead of `404` errors. ``` |
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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.