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Automatic merge from submit-queue (batch tested with PRs 64575, 65120, 65463, 65434, 65522). 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>. Add support for Linux Abstract Socket Namespace for KMS provider plugin. **What this PR does / why we need it**: Currently, kube-apiserver and kms-plugin interact via a Unix Domain Socket. The current implementation, assumes that such a Domain Socket is supported via a socket file, which is in turn is supported via a volume shared between kube-apiserver and kms-plugin containers. However, Linux supports Abstract Socket Namespace, where a socket does not need to be back-up by a file. In golang, such sockets are created by prefixing a socket's name with @. Benefits of using Linux Abstract Socket Namespace: 1. Don't need to worry about possible collisions with existing files. 2. Simpler configuration of master's manifest - no need to setup a shared volume between kube-apiserver and kms-plugin containers. 3. Don't need to remember to unlink the socket when KMS Plugin shuts down. 4. Creates a possibility to run KMS Plugin without access to file system. This PR adds the ability to define a KMS endpoint as: unix:///@kms-provider.sock **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 # **Special notes for your reviewer**: **Release note**: ```release-note NONE ``` |
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README.md
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.