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Merge pull request #62951 from dims/support-nsenter-better-in-non-systemd-envs
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>.

Support nsenter in non-systemd environments

**What this PR does / why we need it**:

In our CI, we run kubekins image for most of the jobs. This is a
debian image with upstart and does not enable systemd. So we should

* Bailout if any binary is missing other than systemd-run.
* SupportsSystemd should check the binary path to correctly
  identify if the systemd-run is present or not
* Pass the errors back to the callers so kubelet is forced to
  fail early when there is a problem. We currently assume
  that all binaries are in the root directory by default which
  is wrong.


**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
```
2018-04-25 01:08:10 -07:00
.github Merge pull request #62745 from cblecker/github-template-owners 2018-04-25 00:17:53 -07:00
Godeps Update github.com/stretchr/testify to v1.2.1 2018-04-19 10:00:31 -04:00
api Merge pull request #62002 from k82cn/k8s_61410_1 2018-04-23 22:45:28 -07:00
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README.md

Kubernetes

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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.

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