OSMENG-1095 VDU Terminate WF
[osm/common.git] / osm_common / wftemporal.py
index 0f7d421..90b6497 100644 (file)
@@ -22,11 +22,11 @@ from temporalio.client import Client
 
 
 class WFTemporal(object):
-    clients = {}
+    _client = None
+    temporal_api = None
 
-    def __init__(self, temporal_api=None, logger_name="temporal.client"):
+    def __init__(self, logger_name="temporal.client"):
         self.logger = logging.getLogger(logger_name)
-        self.temporal_api = temporal_api
 
     async def execute_workflow(
         self, task_queue: str, workflow_name: str, workflow_data: any, id: str = None
@@ -44,24 +44,16 @@ class WFTemporal(object):
     async def start_workflow(
         self, task_queue: str, workflow_name: str, workflow_data: any, id: str = None
     ):
-        client = await self.get_client()
+        if WFTemporal._client is None:
+            self.logger.debug(
+                f"No cached client found, connecting to {WFTemporal.temporal_api}"
+            )
+            WFTemporal._client = await Client.connect(WFTemporal.temporal_api)
+
         if id is None:
             id = str(uuid.uuid4())
         self.logger.info(f"Starting workflow {workflow_name}, id {id}")
-        handle = await client.start_workflow(
+        handle = await WFTemporal._client.start_workflow(
             workflow=workflow_name, arg=workflow_data, id=id, task_queue=task_queue
         )
         return handle
-
-    async def get_client(self):
-        if self.temporal_api in WFTemporal.clients:
-            client = WFTemporal.clients[self.temporal_api]
-        else:
-            self.logger.debug(
-                f"No cached client found, connecting to {self.temporal_api}"
-            )
-            client = await Client.connect(self.temporal_api)
-            WFTemporal.clients[self.temporal_api] = client
-
-        self.logger.debug(f"Using client {client} for {self.temporal_api}")
-        return client