Replace workflow event monitor internal call with executable.

Fix another execution_id lookup.
Change workflow event listening to a thread.

shared/workspaces/src/workspaces/capability_interfaces.py

@@ -111,9 +111,16 @@ class CapabilityInfoIF(ABC):
     def lookup_capability(self, capability_name: str) -> CapabilityIF:
         raise NotImplementedError
 
+    @abstractmethod
     def lookup_execution(self, execution_id: int) -> CapabilityExecutionIF:
         raise NotImplementedError
 
+    @abstractmethod
+    def lookup_execution_by_workflow_request_id(
+        self, workflow_request_id: int
+    ) -> CapabilityExecutionIF:
+        raise NotImplementedError
+
 
 class ProjectSettingsIF(ABC):
     """

shared/workspaces/src/workspaces/services.py

@@ -191,11 +191,13 @@ class CapabilityService(CapabilityServiceIF):
             # No corresponding capability event
             return None
 
-        self.capability_info.lookup_execution_by_workflow_request_id(
+        execution = self.capability_info.lookup_execution_by_workflow_request_id(
             event.workflow_request_id
         )
 
-        return CapabilityEvent(event_type, execution_id)
+        return CapabilityEvent(
+            event_type, execution.capability_request_id, execution.id
+        )
 
     def listen_for_events(self):
         """
@@ -287,7 +289,9 @@ class CapabilityInfo(CapabilityInfoIF):
         self.session.add(entity)
         self.session.flush()
 
-    def lookup_execution_by_workflow_request_id(self, workflow_request_id: int):
+    def lookup_execution_by_workflow_request_id(
+        self, workflow_request_id: int
+    ) -> CapabilityExecution:
         return (
             self.session.query(CapabilityExecution)
             .filter_by(workflow_request_id=workflow_request_id)
@@ -461,10 +465,14 @@ class WorkflowService(WorkflowServiceIF):
     # execution evolves. So we have to set up listening at some point
     # in this class
     def __init__(self, info: "WorkflowInfo"):
-        # 1. Start listening for events from the wf_monitor stream
-        # self.channel = workflow_events.listen(self.on_workflow_event)
         self.info = info
 
+        # Start listening for events from the wf_monitor stream
+        self.listener = threading.Thread(
+            target=lambda: workflow_events.listen(self.on_workflow_event)
+        )
+        self.listener.start()
+
     def execute(self, request: WorkflowRequest, files: List[Path] = None):
         """
         Execute a workflow per the supplied parameters.
@@ -485,14 +493,11 @@ class WorkflowService(WorkflowServiceIF):
         # 5. execute condor and retrieve log file
         log_file = self._execute_prepared(temp_folder)
 
-        # 6. start reading log file
-        monitor = WorkflowMonitor(logfile_path=str(log_file), workflow_request_id=request.workflow_request_id)
-        # parse events from log
-        events = monitor.events
-        with workflow_events:
-            for e in events:
-                # send amqp event and update database
-                self.on_workflow_event(e, request, temp_folder)
+        # 6. start reading the log file (background it)
+        subprocess.Popen(
+            ["wf_monitor", log_file, str(request.workflow_request_id)],
+            cwd=str(temp_folder.absolute()),
+        )
 
     @staticmethod
     def _prepare_files_for_condor(files: List[WorkflowRequestFile]) -> Path:
@@ -554,21 +559,8 @@ class WorkflowService(WorkflowServiceIF):
         # return the logfile
         return logfile
 
-    @staticmethod
-    def on_workflow_event(
-        event: WorkflowEvent, request_record: WorkflowRequest, tmp_folder: Path
-    ):
-        # 1. log that we received this event, somehow
-        # 2. update the WorkflowRequest record with the state we got
-        # 3. do per-event-type stuff, such as level change events, database
-        #    updates, and logging
-
-        decorated_workflow_send = log_decorator_factory("Sending Workflow Event...")(
-            workflow_events.send
-        )
-
-        # 1. send amqp event to workflow channel
-        decorated_workflow_send(event)
+    def on_workflow_event(self, event: WorkflowEvent):
+        request = self.info.lookup_workflow_request(event.workflow_request_id)
 
         status: str
         # 2. update request record with new status
@@ -583,9 +575,9 @@ class WorkflowService(WorkflowServiceIF):
             status = WorkflowRequestState.Running.name
 
         print(
-            f"Updating state on workflow request {request_record.workflow_request_id} to {status}..."
+            f"Updating state on workflow request {request.workflow_request_id} to {status}..."
         )
-        request_record.update_status(status)
+        request.update_status(status)
 
 
 class WorkflowInfo(WorkflowInfoIF):