Several of the tests in TestNodeAddress() were no-ops because the test code was only testing that NodeAddresses() returned all of the expected addresses, but not testing that it was returning them in the correct order. The order that NodeAddresses() returns addresses in is very important, so fix the tests to actually test it. One existing test ("NodeIP is external") had its expectedAddresses in the wrong order, but it seems clear from the name of the test that this isn't actually what it expected. Also, previously testKubeletHostname was "127.0.0.1" which ended up interacting weirdly with the IPv4-vs-IPv6 sorting code in a way that made some of the test results confusing if you didn't realize that testKubeletHostname was an IPv4 address. Fix that by making it an actual hostname instead, which then preserves the expected sorting. |
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.github | ||
api | ||
build | ||
CHANGELOG | ||
cluster | ||
cmd | ||
docs | ||
hack | ||
LICENSES | ||
logo | ||
pkg | ||
plugin | ||
staging | ||
test | ||
third_party | ||
translations | ||
vendor | ||
.bazelrc | ||
.bazelversion | ||
.generated_files | ||
.gitattributes | ||
.gitignore | ||
.kazelcfg.json | ||
BUILD.bazel | ||
CHANGELOG.md | ||
code-of-conduct.md | ||
CONTRIBUTING.md | ||
go.mod | ||
go.sum | ||
LICENSE | ||
Makefile | ||
Makefile.generated_files | ||
OWNERS | ||
OWNERS_ALIASES | ||
README.md | ||
SECURITY_CONTACTS | ||
SUPPORT.md | ||
WORKSPACE |
Kubernetes

Kubernetes is an open source system for managing containerized applications across multiple hosts. It provides 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 your company 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 use Kubernetes code as a library in other applications, see the list of published components.
Use of the k8s.io/kubernetes
module or k8s.io/kubernetes/...
packages as libraries is not supported.
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.
mkdir -p $GOPATH/src/k8s.io
cd $GOPATH/src/k8s.io
git clone https://github.com/kubernetes/kubernetes
cd 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.