in hack/create_kptfile.py [0:0]
def create_subst_private(path):
registries = ["quay.io/jetstack", "gcr.io/kubeflow-images-public",
"metacontroller"]
for registry in registries:
n = registry.replace("/", ".")
name = f"image-mirror-{n}"
value = f"gcr.io/project-id/mirror/{registry}"
pattern = f"gcr.io/${{gcloud.core.project}}/mirror/{registry}"
create_subst(name, value, pattern, path)