improve error

Author: sanderegg

services/autoscaling/src/simcore_service_autoscaling/core/errors.py

@@ -18,7 +18,7 @@ class TaskRequiresUnauthorizedEC2InstanceTypeError(AutoscalingRuntimeError):
 
 class TaskRequirementsAboveRequiredEC2InstanceTypeError(AutoscalingRuntimeError):
     msg_template: str = (
-        "Task {task} requires {instance_type} but requires {resources}. "
+        "Task {task} requires {instance_type} but requires {resources}. {resources_diff} are missing! "
         "TIP: Ensure task resources requirements fit required instance type available resources."
     )
 
@@ -43,4 +43,6 @@ class DaskNoWorkersError(AutoscalingRuntimeError):
 
 
 class DaskWorkerNotFoundError(AutoscalingRuntimeError):
-    msg_template: str = "Dask worker running on {worker_host} is not registered to scheduler in {url}, it is not found!"
+    msg_template: str = (
+        "Dask worker running on {worker_host} is not registered to scheduler in {url}, it is not found!"
+    )

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

@@ -114,6 +114,7 @@ def find_selected_instance_type_for_task(
             task=task,
             instance_type=selected_instance,
             resources=task_required_resources,
+            resources_diff=task_required_resources - selected_instance.resources,
         )
 
     return selected_instance