Automatic merge from submit-queue (batch tested with PRs 61324, 62880, 62765). 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>. Always Start pvc-protection-controller and pv-protection-controller **What this PR does / why we need it**: After K8s 1.10 is upgraded to K8s 1.11 finalizer `[kubernetes.io/pvc-protection]` is added to PVCs because `StorageObjectInUseProtection` feature will be GA in K8s 1.11. However, when K8s 1.11 is downgraded to K8s 1.10 and the `StorageObjectInUseProtection` feature is disabled the finalizers remain in the PVCs and as `pvc-protection-controller` is not started in K8s 1.10 finalizers are not removed automatically from deleted PVCs and that's why deleted PVC are not removed from the system but remain in `Terminating` phase. The same applies to `pv-protection-controller` and `[kubernetes.io/pvc-protection]` finalizer in PVs. That's why `pvc-protection-controller` is always started because the `pvc-protection-controller` removes finalizers from PVCs automatically when a PVC is not in active use by a pod. Also the `pv-protection-controller` is always started to remove finalizers from PVs automatically when a PV is not `Bound` to a PVC. **Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*: Fixes N/A This issue https://github.com/kubernetes/kubernetes/issues/60764 is for downgrade from K8s 1.10 to K8s 1.9. This PR fixes the same problem but for downgrade from K8s 1.11 to K8s 1.10. **Special notes for your reviewer**: **Release note**: ```release-note NONE ``` |
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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.