Added alterantive childwatcher

changelogs/unreleased/agent_executor_6_5.yml

@@ -0,0 +1,5 @@
+description: Make the server work as a child reaper
+change-type: patch
+destination-branches: [master]
+sections:
+  minor-improvement: The server now also cleans up zombie processes, which is convenient when running in a container

src/inmanta/server/bootloader.py

@@ -20,6 +20,7 @@
 import importlib
 import logging
 import pkgutil
+from asyncio import FastChildWatcher
 from collections.abc import Generator
 from pkgutil import ModuleInfo
 from types import ModuleType
@@ -100,6 +101,13 @@ def __init__(self, configure_logging: bool = False) -> None:
             inmanta_logger_config.apply_options(inmanta_logging.Options())
 
     async def start(self) -> None:
+
+        # Use the fast child watcher
+        # It also servers as a reaper when the server is pid 1 in a container
+        childwatcher = FastChildWatcher()
+        childwatcher.attach_loop(asyncio.get_running_loop())
+        asyncio.set_child_watcher(childwatcher)
+
         db_wait_time: int = config.db_wait_time.get()
         if db_wait_time != 0:
             # Wait for the database to be up before starting the server