32003df3fb
Automatic merge from submit-queue. 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>. apiextensions: fix concurrent map access copying items' ObjectMeta in UnstructuredList The list endpoint sets the self-link. If we do not create a (shallow) copy of ObjectMeta this will mutate the cached objects. Background: native objects like PodList have a `Items []Pod` field which implicitly shallow-copies ObjectMeta. UnstructuredList only shallow-copies Unstructured, but shares all the JSON data including ObjectMeta, i.e. the Object pointer points to the value in the cache. Fixes https://github.com/kubernetes/kubernetes/issues/59478
External Repository Staging Area
This directory is the staging area for packages that have been split to their own repository. The content here will be periodically published to respective top-level k8s.io repositories.
Repositories currently staged here:
k8s.io/apiextensions-apiserverk8s.io/apik8s.io/apimachineryk8s.io/apiserverk8s.io/client-gok8s.io/kube-aggregatork8s.io/code-generatork8s.io/metricsk8s.io/sample-apiserverk8s.io/sample-controller
The code in the staging/ directory is authoritative, i.e. the only copy of the code. You can directly modify such code.
Using staged repositories from Kubernetes code
Kubernetes code uses the repositories in this directory via symlinks in the
vendor/k8s.io directory into this staging area. For example, when
Kubernetes code imports a package from the k8s.io/client-go repository, that
import is resolved to staging/src/k8s.io/client-go relative to the project
root:
// pkg/example/some_code.go
package example
import (
"k8s.io/client-go/dynamic" // resolves to staging/src/k8s.io/client-go/dynamic
)
Once the change-over to external repositories is complete, these repositories
will actually be vendored from k8s.io/<package-name>.