5e70562c6a
Automatic merge from submit-queue (batch tested with PRs 57572, 57512, 57770). 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>. RBD Plugin: Pass monitors addresses in a comma-separed list instead of trying one by one. **What this PR does / why we need it**: In production, monitors may crash (or have a network problem), if we try monitors one by one, rbd command will hang a long time (e.g. `rbd map -m <unconnectable_host_ip>` on linux 4.4 timed out in 6 minutes) when trying a unconnectable monitor. This is unacceptable. Actually, we can simply pass a comma-separated list monitor addresses to `rbd` command utility. Kernel rbd/libceph modules will pick monitor randomly and try one by one, `rbd` command utility succeed soon if there is a good one in monitors list. [Docs](http://docs.ceph.com/docs/jewel/man/8/rbd/#cmdoption-rbd-m) about `-m` option of `rbd` is wrong, 'rbd' utility simply pass '-m <mon>' parameter to kernel rbd/libceph modules, which takes a comma-seprated list of one or more monitor addresses (e.g. ip1[:port1][,ip2[:port2]...]) in its first version in linux (see |
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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.