Coverage for /pythoncovmergedfiles/medio/medio/src/airflow/airflow/ti_deps/deps/dag_ti_slots_available_dep.py: 80%

1# 

2# Licensed to the Apache Software Foundation (ASF) under one 

3# or more contributor license agreements. See the NOTICE file 

4# distributed with this work for additional information 

5# regarding copyright ownership. The ASF licenses this file 

6# to you under the Apache License, Version 2.0 (the 

7# "License"); you may not use this file except in compliance 

8# with the License. You may obtain a copy of the License at 

9# 

10# http://www.apache.org/licenses/LICENSE-2.0 

11# 

12# Unless required by applicable law or agreed to in writing, 

13# software distributed under the License is distributed on an 

14# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 

15# KIND, either express or implied. See the License for the 

16# specific language governing permissions and limitations 

17# under the License. 

18from __future__ import annotations 

19 

20from airflow.ti_deps.deps.base_ti_dep import BaseTIDep 

21from airflow.utils.session import provide_session 

22 

23 

24class DagTISlotsAvailableDep(BaseTIDep): 

25 """Determines whether a DAG maximum number of running tasks has been reached.""" 

26 

27 NAME = "Task Instance Slots Available" 

28 IGNORABLE = True 

29 

30 @provide_session 

31 def _get_dep_statuses(self, ti, session, dep_context): 

32 if ti.task.dag.get_concurrency_reached(session): 

33 yield self._failing_status( 

34 reason=( 

35 f"The maximum number of running tasks ({ti.task.dag.max_active_tasks}) for " 

36 f"this task's DAG '{ti.dag_id}' has been reached." 

37 ) 

38 )