ephraimbuddy commented on PR #55884:
URL: https://github.com/apache/airflow/pull/55884#issuecomment-3311934114
How to test:
set a fernet key e.g:
export
AIRFLOW__CORE__FERNET_KEY='8janSoQD86ALy_tnJjR-hcxNweHnUxhfDV61TBntr_4='
in both init.sh and environment_variables.env in airflow source.
AF2 uses init.sh for breeze but environment_variables.env is used in AF3.
Switch to airflow 2: `git switch apache/v2-11-stable`
Add this dag with the target time adjusted to maybe 30mins in the future:
```python
from datetime import datetime
from airflow import DAG
from airflow.sensors.date_time import DateTimeSensorAsync
with (DAG("async_trigger_sleep",
start_date=datetime(2025,9,17),tags=["async_migration"])
) as dag:
DateTimeSensorAsync(
task_id="wait_for_start",
target_time=datetime(2025, 9, 19, 11, 26),
)
```
start breeze `breeze start-airflow --backend postgres --executor
CeleryExecutor`
Trigger the dag above and stop breeze once the task is deferred.
Switch to Airflow 3: `git switch main`
Start breeze: `breeze start-airflow --backend postgres --executor
CeleryExecutor`
See that when the target time reach, the dag would be successful
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