Aggregated duplicate runtime os checking functions into one.

monkey/monkey_island/cc/environment/utils.py

@@ -1,5 +1,5 @@
-import sys
+import platform
 
 
 def is_windows_os() -> bool:
-    return sys.platform.startswith("win")
+    return platform.system() == "Windows"

monkey/monkey_island/cc/server_utils/common_methods.py

@@ -1,11 +0,0 @@
-import platform
-
-WINDOWS = "Windows"
-LINUX = "Linux"
-
-
-def get_runtime_os() -> str:
-    if platform.system() == "Windows":
-        return WINDOWS
-    else:
-        return LINUX

monkey/monkey_island/cc/setup/mongo_process_runner.py

@@ -3,7 +3,7 @@ import os
 import subprocess
 from typing import List
 
-from monkey_island.cc.server_utils.common_methods import WINDOWS, get_runtime_os
+from monkey_island.cc.environment.utils import is_windows_os
 from monkey_island.cc.server_utils.consts import (
     MONGO_EXECUTABLE_PATH_LINUX,
     MONGO_EXECUTABLE_PATH_WIN,
@@ -53,7 +53,7 @@ class MongoDbRunner:
 
     @staticmethod
     def _get_path_of_mongo_exec():
-        if get_runtime_os() == WINDOWS:
+        if is_windows_os():
             return MONGO_EXECUTABLE_PATH_WIN
         else:
             return MONGO_EXECUTABLE_PATH_LINUX