fix

Author: Leechael

custom-domain/dstack-ingress/scripts/certman.py

@@ -186,13 +186,23 @@ def _ensure_certbot_in_env(self) -> None:
     def _get_certbot_command(self) -> List[str]:
         """Get the correct certbot command that uses the same Python environment."""
         import sys
+        import os
 
-        # Always use Python module execution to ensure same environment
-        # This guarantees that certbot runs in the same Python environment
-        # where we installed the plugins
-        cmd = [sys.executable, "-m", "certbot"]
-        print(f"Using certbot via Python module: {' '.join(cmd)}")
-        return cmd
+        # Always use certbot from the same Python environment
+        python_dir = os.path.dirname(sys.executable)
+        venv_certbot = os.path.join(python_dir, "certbot")
+        
+        if os.path.exists(venv_certbot):
+            cmd = [venv_certbot]
+            print(f"Using certbot from virtual environment: {venv_certbot}")
+            return cmd
+        
+        # If certbot doesn't exist in venv, this is an error condition
+        raise RuntimeError(
+            f"Certbot not found in virtual environment: {venv_certbot}. "
+            f"This indicates the environment setup failed. "
+            f"Python executable: {sys.executable}"
+        )
 
     def _debug_plugin_registration(self) -> None:
         """Debug why plugin is not being registered by certbot."""