54d8f1648f
TestDynamicProvisioning had multiple ways of choosing additional checks: - the PvCheck callback - the builtin write/read check controlled by a boolean - the snapshot testing Complicating matters further, that builtin write/read test had been more customizable with new fields `NodeSelector` and `ExpectUnschedulable` which were only set by one particular test (see https://github.com/kubernetes/kubernetes/pull/70941). That is confusing and will only get more confusing when adding more checks in the future. Therefore the write/read check is now a separate function that must be enabled explicitly by tests that want to run it. The snapshot checking is also defined only for the snapshot test. The test that expects unschedulable pods now also checks for that particular situation itself. Instead of testing it with two pods (the behavior from the write/read check) that both fail to start, only a single unschedulable pod is created. Because node name, node selector and the `ExpectUnschedulable` were only used for checking, it is possible to simplify `StorageClassTest` by removing all of these fields. Expect(err).NotTo(HaveOccurred()) is an anti-pattern in Ginkgo testing because a test failure doesn't explain what failed (see https://github.com/kubernetes/kubernetes/issues/34059). We avoid it now by making the check function itself responsible for checking errors and including more information in those checks. |
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| WORKSPACE | ||
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.