load additional plugs on manager startup (ohcnetwork#2537)

* load additional plugs on manager startup

* cleanup

install_plugins.py

@@ -1,18 +1,3 @@
-import json
-import logging
-import os
-
 from plug_config import manager
-from plugs.plug import Plug
-
-logger = logging.getLogger(__name__)
-
-
-if ADDITIONAL_PLUGS := os.getenv("ADDITIONAL_PLUGS"):
-    try:
-        for plug in json.loads(ADDITIONAL_PLUGS):
-            manager.add_plug(Plug(**plug))
-    except json.JSONDecodeError:
-        logger.error("ADDITIONAL_PLUGS is not a valid JSON")
 
 manager.install()

plugs/manager.py

@@ -1,9 +1,14 @@
+import json
+import logging
+import os
 import subprocess
 import sys
 from collections import defaultdict
 
 from plugs.plug import Plug
 
+logger = logging.getLogger(__name__)
+
 
 class PlugManager:
     """
@@ -13,6 +18,14 @@ class PlugManager:
     def __init__(self, plugs: list[Plug]):
         self.plugs: list[Plug] = plugs
 
+        # load additional plugs from environment variable
+        if additional_plugs := os.getenv("ADDITIONAL_PLUGS"):
+            try:
+                for plug in json.loads(additional_plugs):
+                    self.add_plug(Plug(**plug))
+            except json.JSONDecodeError:
+                logger.error("ADDITIONAL_PLUGS is not a valid JSON")
+
     def install(self) -> None:
         packages: list[str] = [f"{x.package_name}{x.version}" for x in self.plugs]
         if packages: