b1e665f57d
Automatic merge from submit-queue Preserve API group order in discovery, prefer extensions over apps Fixes #42392, supercedes #43543 Kubectl 1.5 still uses compiled in types in kubectl edit and apply. Because kubectl 1.5 does not have the apps/v1beta1/deployment resource compiled in, the preferred group order must have extensions come before apps. The preference order is determined by the order that the groups are listed by the discovery service, with the first elements preferred over the last elements. This PR: * updates the discovery code to preserve the order groups were registered in * updates the registration order to move the `apps` group to the end of the list (for the same result as https://github.com/kubernetes/kubernetes/issues/43543) This has the side benefit of making all TPR API groups (regardless of group name) come after the core API groups, instead of potentially appearing earlier in discovery order ```release-note The API server discovery document now prioritizes the `extensions` API group over the `apps` API group. This ensures certain commands in 1.5 versions of kubectl (such as `kubectl edit deployment`) continue to function against a 1.6 API. ``` |
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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.
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