Island: Run AWS services on separate threads

AWS related services call AWS metadata service which might take a long time to timeout, that's why they are ran on a separate thread

monkey/monkey_island/cc/app.py

@@ -1,6 +1,7 @@
 import os
 import uuid
 from datetime import timedelta
+from threading import Thread
 from typing import Type
 
 import flask_restful
@@ -104,8 +105,8 @@ def init_app_services(app):
         database.init()
 
     # If running on AWS, this will initialize the instance data, which is used "later" in the
-    # execution of the island.
-    RemoteRunAwsService.init()
+    # execution of the island. Run on a daemon thread since it's slow.
+    Thread(target=RemoteRunAwsService.init, name="AWS check thread", daemon=True).start()
 
 
 def init_app_url_rules(app):

monkey/monkey_island/cc/server_setup.py

@@ -3,6 +3,7 @@ import json
 import logging
 import sys
 from pathlib import Path
+from threading import Thread
 
 import gevent.hub
 from gevent.pywsgi import WSGIServer
@@ -131,7 +132,8 @@ def _configure_gevent_exception_handling(data_dir):
 def _start_island_server(
     should_setup_only: bool, config_options: IslandConfigOptions, container: DIContainer
 ):
-    populate_exporter_list()
+    # AWS exporter takes a long time to load
+    Thread(target=populate_exporter_list, name="Report exporter list", daemon=True).start()
     app = init_app(mongo_setup.MONGO_URL, container)
 
     if should_setup_only: