Fail if scheduler starts with '-' in dask-cuda-worker

rapidsai · Jan 4, 2021 · 84f86b7 · 84f86b7
1 parent b170b29
commit 84f86b7
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/dask_cuda/cli/dask_cuda_worker.py b/dask_cuda/cli/dask_cuda_worker.py
@@ -235,6 +235,13 @@ def main(
     else:
         security = None
 
+    if isinstance(scheduler, str) and scheduler.startswith("-"):
+        raise ValueError(
+            "The scheduler address can't start with '-'. Please check "
+            "your command line arguments, you probably attempted to use "
+            "unsupported one. Scheduler address: %s" % scheduler
+        )
+
     worker = CUDAWorker(
         scheduler,
         host,