Iostat refactor

Signed-off-by: Katarzyna Treder <katarzyna.treder@h-partners.com>

test_tools/iostat.py

@@ -4,7 +4,6 @@
 #
 
 from core.test_run import TestRun
-from storage_devices.device import Device
 from type_def.size import Size, Unit, UnitPerSecond
 from type_def.time import Time
 import csv
@@ -84,7 +83,7 @@ class IOstatExtended:
     @classmethod
     def get_iostat_list(
         cls,
-        devices_list: [Device],
+        devices_list: [str],
         since_boot: bool = True,
         interval: int = 1,
     ):
@@ -138,7 +137,7 @@ class IOstatBasic:
     @classmethod
     def get_iostat_list(
         cls,
-        devices_list: [Device],
+        devices_list: [str],
         since_boot: bool = True,
         interval: int = 1,
     ):
@@ -150,8 +149,8 @@ class IOstatBasic:
 
 
 def _get_iostat_list(
-    class_type: type,
-    devices_list: [Device],
+    class_type: type(IOstatExtended) | type(IOstatBasic),
+    devices_list: [str],
     since_boot: bool,
     interval: int,
 ):
@@ -163,7 +162,7 @@ def _get_iostat_list(
     if not since_boot:
         iostat_cmd += f"-y {interval} 1 "
 
-    iostat_cmd += " ".join([name.get_device_id() for name in devices_list])
+    iostat_cmd += " ".join(devices_list)
 
     sed_cmd = "sed -n '/^$/d;s/\s\+/,/g;/^Device/,$p'"