jhasm

[argo] Add k8s labels to tempalte.metadata instead of spec.podMetadata

3

### Summary Argo does not propagate the spec.podLabels to the pods. Only the sections under templates from the WorkflowTemplate are propagated to the Workflow and the pods. Their docs are...

Add secret_env_vars to runtime-env parameter of job submission

6

## Why are these changes needed? These changes enable passing secrets to ray jobs without leaking them. The `runtime_env` is a variable that is packaged and made available to all...