9a3dfbcab0
Automatic merge from submit-queue (batch tested with PRs 50719, 51216, 50212, 51408, 51381) Make selector immutable for v1beta2 deployment, replicaset and daemonset prior update **What this PR does / why we need it**: This PR ensures controller selector is immutable for deployment and replicaset prior update by ignoring any change to `Spec`. **Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #50808 **Special notes for your reviewer**: This will be a breaking change. **Release note**: ```release-note For Deployment, ReplicaSet, and DaemonSet, selectors are now immutable when updating via the new `apps/v1beta2` API. For backward compatibility, selectors can still be changed when updating via `apps/v1beta1` or `extensions/v1beta1`. ``` |
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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.
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$ cd $GOPATH/src/k8s.io/kubernetes
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