added min_check for timeframe duratiion

robusta_krr/core/runner.py

@@ -30,10 +30,6 @@ def __init__(self, config: Config) -> None:
         self._metrics_service_loaders: dict[Optional[str], Union[PrometheusMetricsLoader, Exception]] = {}
         self._metrics_service_loaders_error_logged: set[Exception] = set()
         self._strategy = self.config.create_strategy()
-
-        # eks has a lower step limit than other types of prometheus, it will throw an error
-        if config.eks_managed_prom and self._strategy.settings.timeframe_duration < 2:
-            self._strategy.settings.timeframe_duration = 2
 
         # This executor will be running calculations for recommendations
         self._executor = ThreadPoolExecutor(self.config.max_workers)
@@ -210,6 +206,13 @@ async def run(self) -> None:
             return
 
         try:
+            # eks has a lower step limit than other types of prometheus, it will throw an error
+            step_count = self._strategy.settings.history_duration * 60 / self._strategy.settings.timeframe_duration
+            if self.config.eks_managed_prom and step_count > 10000:
+                min_step = self._strategy.settings.history_duration * 60 / 10000 
+                self.warning(f"The timeframe duration provided is insufficient and will be overridden with {min_step}. Kindly adjust --timeframe_duration to a value equal to or greater than {min_step}.")
+                self._strategy.settings.timeframe_duration = min_step
+
             result = await self._collect_result()
             self._process_result(result)
         except ClusterNotSpecifiedException as e: