chore: import upstream snapshot with attribution

python/ray/dashboard/modules/reporter/utils.py

@@ -0,0 +1,19 @@
+from typing import Optional
+
+from ray._raylet import GcsClient, NodeID
+
+
+class HealthChecker:
+    def __init__(self, gcs_client: GcsClient, local_node_id: Optional[NodeID] = None):
+        self._gcs_client = gcs_client
+        self._local_node_id = local_node_id
+
+    async def check_local_raylet_liveness(self) -> bool:
+        if self._local_node_id is None:
+            return False
+        liveness = await self._gcs_client.async_check_alive([self._local_node_id], 0.1)
+        return liveness[0]
+
+    async def check_gcs_liveness(self) -> bool:
+        await self._gcs_client.async_check_alive([], 0.1)
+        return True