remove dependency on redis json

backend/task/src/task_manager.py

@@ -4,9 +4,8 @@ functionality:
 - handle threads and locks
 """
 
-from common.src.ta_redis import RedisArchivist, TaskRedis
+from common.src.ta_redis import TaskRedis
 from task.celery import app as celery_app
-from task.src.task_config import TASK_CONFIG
 
 
 class TaskManager:
@@ -96,20 +95,13 @@ class TaskCommand:
 
         return message
 
-    def stop(self, task_id, message_key):
+    def stop(self, task_id):
         """
         send stop signal to task_id,
         needs to be implemented in task to take effect
         """
         print(f"[task][{task_id}]: received STOP signal.")
-        handler = TaskRedis()
-
-        task = handler.get_single(task_id)
-        if not task["name"] in TASK_CONFIG:
-            raise ValueError
-
-        handler.set_command(task_id, "STOP")
-        RedisArchivist().set_message(message_key, "STOP", path=".command")
+        TaskRedis().set_command(task_id, "STOP")
 
     def kill(self, task_id):
         """send kill signal to task_id"""

backend/task/views.py

@@ -103,8 +103,7 @@ class TaskIDView(ApiBaseView):
                 message = {"message": "task can not be stopped"}
                 return Response(message, status=400)
 
-            message_key = self._build_message_key(task_conf, task_id)
-            TaskCommand().stop(task_id, message_key)
+            TaskCommand().stop(task_id)
         if command == "kill":
             if not task_conf.get("api_stop"):
                 message = {"message": "task can not be killed"}
@@ -114,10 +113,6 @@ class TaskIDView(ApiBaseView):
 
         return Response({"message": "command sent"})
 
-    def _build_message_key(self, task_conf, task_id):
-        """build message key to forward command to notification"""
-        return f"message:{task_conf.get('group')}:{task_id.split('-')[0]}"
-
 
 class ScheduleListView(ApiBaseView):
     """resolves to /api/task/schedule/