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descheduler/docs/releasing.md
Sean Malloy aae52ac2ee Document gcloud command used to get container image details 
The "gcloud container images describe" command is used to get the SHA256
hash of an image in the staging registry. The SHA256 hash is required
for the image promotion process.

https://github.com/kubernetes/k8s.io/tree/master/k8s.gcr.io#image-promoter
2020-02-11 22:46:27 -06:00

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Release process

Semi-automatic

  1. Make sure your repo is clean by git's standards
  2. Tag the repository and push the tag VERSION=v0.10.0 git tag -m $VERSION $VERSION; git push origin $VERSION
  3. Publish a draft release using the tag you just created
  4. Perform the image promotion process
  5. Publish release
  6. Email kubernetes-sig-scheduling@googlegroups.com to announce the release

Manual

  1. Make sure your repo is clean by git's standards
  2. Tag the repository and push the tag VERSION=v0.10.0 git tag -m $VERSION $VERSION; git push origin $VERSION
  3. Checkout the tag you just created and make sure your repo is clean by git's standards git checkout $VERSION
  4. Build and push the container image to the staging registry VERSION=$VERSION make push
  5. Publish a draft release using the tag you just created
  6. Perform the image promotion process
  7. Publish release
  8. Email kubernetes-sig-scheduling@googlegroups.com to announce the release

Notes

See post-descheduler-push-images dashboard for staging registry image build job status.

List images in staging registry.

gcloud container images list --repository gcr.io/k8s-staging-descheduler

List descheduler image tags in the staging registry.

gcloud container images list-tags gcr.io/k8s-staging-descheduler/descheduler

Get SHA256 hash for a specific image in the staging registry.

gcloud container images describe gcr.io/k8s-staging-descheduler/descheduler:v20200206-0.9.0-94-ge2a23f284

Pull image from the staging registry.

docker pull gcr.io/k8s-staging-descheduler/descheduler:v20200206-0.9.0-94-ge2a23f284
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