72d97746df
Automatic merge from submit-queue (batch tested with PRs 51034, 53239). 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>. Correct APIGroup for RoleBindingBuilder Subjects This change corrects `RoleBindingBuilder` to use the RBAC API group with users and groups as subjects (service accounts use the empty string since they are in the legacy core group). This is based on the defaulting in `pkg/apis/rbac/v1/defaults.go#SetDefaults_Subject`. This is required because the bootstrap RBAC data is built with these helpers and does not go through defaulting, whereas the data retrieved from the server has already gone through defaulting. This can lead to the reconciliation code incorrectly adding duplicate subjects because it believes that they are missing (since the API groups do not match). Signed-off-by: Monis Khan <mkhan@redhat.com> ```release-note Fixes an issue with RBAC reconciliation that could cause duplicated subjects in some bootstrapped rolebindings on each restart of the API server. ``` /assign @liggitt /sig auth Fixes #53296 Fixes openshift/origin/issues/16611 |
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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.