sort nodes

Author: sanderegg

services/autoscaling/src/simcore_service_autoscaling/utils/utils_docker.py

@@ -82,19 +82,26 @@
 ).validate_python("io.simcore.osparc-node-termination-started")
 
 
+def _get_node_creation_date(node: Node) -> datetime.datetime:
+    assert node.created_at  # nosec
+    return arrow.get(node.created_at).datetime
+
+
 async def get_monitored_nodes(
     docker_client: AutoscalingDocker, node_labels: list[DockerLabelKey]
 ) -> list[Node]:
     node_label_filters = [f"{label}=true" for label in node_labels] + [
         f"{label}" for label in _OSPARC_SERVICE_READY_LABEL_KEYS
     ]
-    return TypeAdapter(list[Node]).validate_python(
+    list_of_nodes = TypeAdapter(list[Node]).validate_python(
         await docker_client.nodes.list(filters={"node.label": node_label_filters})
     )
+    list_of_nodes.sort(key=_get_node_creation_date)
+    return list_of_nodes
 
 
 async def get_worker_nodes(docker_client: AutoscalingDocker) -> list[Node]:
-    return TypeAdapter(list[Node]).validate_python(
+    list_of_nodes = TypeAdapter(list[Node]).validate_python(
         await docker_client.nodes.list(
             filters={
                 "role": ["worker"],
@@ -104,6 +111,8 @@ async def get_worker_nodes(docker_client: AutoscalingDocker) -> list[Node]:
             }
         )
     )
+    list_of_nodes.sort(key=_get_node_creation_date)
+    return list_of_nodes
 
 
 async def remove_nodes(