Sync Images from GCR to AR

[upodroid]

Fixes: kubernetes/k8s.io#3975

This change needs to be deployed first: kubernetes/k8s.io#3968

/cc @puerco @BenTheElder

[upodroid]

/cc @dims @ameukam

This can be merged now. It shouldn't affect the work in kubernetes/k8s.io#4065

@BenTheElder oci-proxy can start serving from AR once these jobs have ran for a few days and finish instead of getting killed by prow for taking too long.

I will revert this PR once images are being promoted directly to AR.

[dims]

/approve
/lgtm

/hold please remove hold when ready

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dims, upodroid

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[puerco]

@upodroid I assume the plan is still to promote all new images asap while having these jobs running periodically to ensure consistency across all regions, right? (as opposed to simply having these for backfill purposes)

/lgtm

[upodroid]

That is right. If the experimental promotion is fast enough:

• we'll backfill AR
• add AR manifests for all projects
• revert this PR

[upodroid]

/hold cancel

[k8s-ci-robot]

@upodroid: Updated the job-config configmap in namespace default at cluster test-infra-trusted using the following files:

• key releng-gcr-to-ar-sync.yaml using file config/jobs/kubernetes/sig-k8s-infra/trusted/releng/releng-gcr-to-ar-sync.yaml

In response to this:

Fixes: kubernetes/k8s.io#3975

This change needs to be deployed first: kubernetes/k8s.io#3968

/cc @puerco @BenTheElder

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