ensure only the minimal amount of modules are loading during the firs…

…t stage

Raise an exception if third party modules are loaded during the first
stage.

changelogs/fragments/too_many_loaded_modules.yaml

@@ -0,0 +1,3 @@
+---
+minor_changes:
+- Ensure only the minimal amount of modules are loading during the first stage.

plugins/module_utils/turbo/exceptions.py

@@ -34,3 +34,7 @@ def __str__(self):
 class EmbeddedModuleSuccess(Exception):
     def __init__(self, **kwargs):
         self.kwargs = kwargs
+
+
+class TooManyLoadedModules(EmbeddedModuleUnexpectedFailure):
+    pass

plugins/module_utils/turbo/module.py

@@ -6,6 +6,7 @@
 from .exceptions import (
     EmbeddedModuleSuccess,
     EmbeddedModuleFailure,
+    TooManyLoadedModules,
 )
 import ansible_collections.cloud.common.plugins.module_utils.turbo.common
 
@@ -80,6 +81,9 @@ def __init__(self, *args, **kwargs):
         )
         self._running = None
         if not self.embedded_in_server:
+            external_libs = [name for name in sys.modules if "site-packages" in str(sys.modules[name])]
+            if external_libs:
+                raise TooManyLoadedModules(external_libs)
             self.run_on_daemon()
 
     def socket_path(self):