* add dsl support for preemptible vm/gpus * change name to nodepool to avoid confusion
* First step to bring back CMLE sample. Set GCP credential for gcloud. Do not export TPU Model because a) Serving does not need TPU. b) Workaround a CMLE 1.9 issue. * Follow up on CR comments. * Add comments.
* support tpu settings in dsl * fix issues from review comment