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/api
k8s.io/apiextensions-apiserver
k8s.io/apimachinery
k8s.io/apiserver
k8s.io/cli-runtime
k8s.io/client-go
k8s.io/cloud-provider
k8s.io/cluster-bootstrap
k8s.io/code-generator
k8s.io/component-base
k8s.io/component-helpers
k8s.io/controller-manager
k8s.io/cri-api
k8s.io/cri-client
k8s.io/csi-translation-lib
k8s.io/dynamic-resource-allocation
k8s.io/endpointslice
k8s.io/externaljwt
k8s.io/kms
k8s.io/kube-aggregator
k8s.io/kube-controller-manager
k8s.io/kube-proxy
k8s.io/kube-scheduler
k8s.io/kubectl
k8s.io/kubelet
k8s.io/metrics
k8s.io/mount-utils
k8s.io/pod-security-admission
k8s.io/sample-apiserver
k8s.io/sample-cli-plugin
k8s.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 a Go workspace and module replace statements. 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
)

Creating a new repository in staging

Adding the staging repository in `kubernetes/kubernetes`:

Send an email to the SIG Architecture mailing list and the mailing list of the SIG which would own the repo requesting approval for creating the staging repository.
Once approval has been granted, create the new staging repository.
Update import-restrictions.yaml to add the list of other staging repos that this new repo can import.
Add all mandatory template files to the staging repo as mentioned in https://github.com/kubernetes/kubernetes-template-project.
Make sure that the .github/PULL_REQUEST_TEMPLATE.md and CONTRIBUTING.md files mention that PRs are not directly accepted to the repo.
Ensure that docs.go file is added. Refer to #kubernetes/kubernetes#91354 for reference.
NOTE: Do not edit go.mod or go.sum in the new repo (staging/src/k8s.io//) manually. Run the following instead:

  ./hack/update-vendor.sh

Creating the published repository

Create an issue in the kubernetes/org repo to request creation of the respective published repository in the Kubernetes org. The published repository must have an initial empty commit. It also needs specific access rules and branch settings. See #kubernetes/org#58 for an example.
Setup branch protection and enable access to the stage-bots team by adding the repo in prow/config.yaml. See #kubernetes/test-infra#9292 for an example.
Once the repository has been created in the Kubernetes org, update the publishing-bot to publish the staging repository by updating:
- rules.yaml: Make sure that the list of dependencies reflects the staging repos in the Godeps.json file.
- repos.sh: Add the staging repo in the list of repos to be published.
Add the staging and published repositories as a subproject for the SIG that owns the repos in sigs.yaml.
Add the repo to the list of staging repos in this README.md file.

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