v1.0.49: in-memory tracker (no file IO); traceback on tracker error; refreshInstances adds new items; no selectService on OK

site/operations/tracker.py

@@ -1,12 +1,9 @@
-"""Трекер созданных инстансов — только те что породило приложение."""
-import json
-import os
+"""Трекер созданных инстансов — in-memory dict (один gunicorn worker)."""
 import threading
 
 _LOCK = threading.Lock()
-_PATH = "/tmp/instances.json"
 
-_INITIAL = {
+_data = {
     "408b7f96-6ed7-4985-be1b-f5bdcb6ab44d": {"svcId": 1, "displayName": "autotest-1", "instanceUid": "408b7f96-6ed7-4985-be1b-f5bdcb6ab44d"},
     "884356cf-5212-4395-b56b-27c58a5fc1fa": {"svcId": 1, "displayName": "autotest-1-first", "instanceUid": "884356cf-5212-4395-b56b-27c58a5fc1fa"},
     "6528854d-a4ea-428c-9fa4-68e85fa9b3ac": {"svcId": 1, "displayName": "curl-test-144834", "instanceUid": "6528854d-a4ea-428c-9fa4-68e85fa9b3ac"},
@@ -14,39 +11,20 @@ _INITIAL = {
 }
 
 
-def _load():
-    try:
-        with open(_PATH) as f:
-            return json.load(f)
-    except (FileNotFoundError, json.JSONDecodeError):
-        data = dict(_INITIAL)
-        _save(data)
-        return data
-
-
-def _save(data):
-    with open(_PATH, "w") as f:
-        json.dump(data, f, indent=2)
-
-
 def add(instance_uid, svc_id, display_name):
     with _LOCK:
-        data = _load()
-        data[instance_uid] = {
+        _data[instance_uid] = {
             "svcId": svc_id,
             "displayName": display_name,
             "instanceUid": instance_uid,
         }
-        _save(data)
 
 
 def remove(instance_uid):
     with _LOCK:
-        data = _load()
-        data.pop(instance_uid, None)
-        _save(data)
+        _data.pop(instance_uid, None)
 
 
 def list_all():
     with _LOCK:
-        return list(_load().values())
+        return list(_data.values())