3791abd628
Automatic merge from submit-queue Use munged semantic version for side-loaded docker tag **What this PR does / why we need it**: rather than using the md5sum of the dockerized binary for each side-loaded docker image, use the semantic version (with `+`s replaced with `_`s) for the side-loaded docker images. The use of the md5sum for the docker tag dates to #6326 2 years ago. I'm not sure why that was chosen, short of it being fairly unique. My main motivation for changing this is that it makes building the docker images using Bazel's docker rules easier, since the semantic version doesn't depend on the build output. An added benefit is that the list of images on a running kubernetes cluster is also more straightfoward; rather than a list of opaque, meaningless hexadecimal strings, you get something that indicates the provenance of the image. It'd also be clearer that all of the images came from the same build. I was able to start a cluster with this change on GCE using both `make quick-release` and `make bazel-release`. Note that this change has no effect on the tag that's pushed to gcr.io during releases; that's still controlled via `KUBE_IMAGE_DOCKER_TAG`, though we may want to merge this functionality at some point. @kubernetes/sig-node-pr-reviews is there any reason to stick with using the md5sum strategy? @dchen1107 do you remember why we went with md5sums originally? cc @spxtr @mikedanese **Release note**: ```release-note ``` |
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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
If you are less impatient, 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.