61892abc94
Automatic merge from submit-queue. 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>. dockershim/sandbox: clean up pod network even if SetUpPod() failed If the CNI network plugin completes successfully, but something fails between that success and dockerhsim's sandbox setup code, plugin resources may not be cleaned up. A non-trivial amount of code runs after the plugin itself exits and the CNI driver's SetUpPod() returns, and any error condition recognized by that code would cause this leakage. The Kubernetes CRI RunPodSandbox() request does not attempt to clean up on errors, since it cannot know how much (if any) networking was actually set up. It depends on the CRI implementation to do that cleanup for it. In the dockershim case, a SetUpPod() failure means networkReady is FALSE for the sandbox, and TearDownPod() will not be called later by garbage collection even though networking was configured, because dockershim can't know how far SetUpPod() got. Concrete examples include if the sandbox's container is somehow removed during during that time, or another OS error is encountered, or the plugin returns a malformed result to the CNI driver. Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1532965 ```release-note NONE ``` |
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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.