[k8s] Allow spot instances on supported k8s clusters #3675
Merged
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Closes #3667.
Adds support for using spot instances with
--use-spot
if the underlying cluster supports spot instances.This is supported only for GKE to start and is enabled only if the cluster already has spot instances or the user has set
autoscaler: gke
in config.yaml.Tested (run the relevant ones):
bash format.sh
sky launch --use-spot
on GKE cluster with spot instancessky launch --use-spot
on GKE autoscaling cluster