tanelk opened a new issue #22078:
URL: https://github.com/apache/airflow/issues/22078
### Apache Airflow version
main (development)
### What happened
`ExternalTaskSensorLink` points to a DAG run with `execution_date` same as
the `ExternalTaskSensor`.
### What you expected to happen
`ExternalTaskSensorLink` should point to the actual DAG run it is waiting on.
### How to reproduce
For example with by modifing this UT:
```diff --git a/tests/sensors/test_external_task_sensor.py
b/tests/sensors/test_external_task_sensor.py
index 6e7222ed4..9aa941f9e 100644
--- a/tests/sensors/test_external_task_sensor.py
+++ b/tests/sensors/test_external_task_sensor.py
@@ -413,6 +413,7 @@ def test_external_task_sensor_templated(dag_maker, app):
task_id='templated_task',
external_dag_id='dag_{{ ds }}',
external_task_id='task_{{ ds }}',
+ execution_delta=timedelta(days=1)
)
dagrun = dag_maker.create_dagrun(run_type=DagRunType.SCHEDULED,
execution_date=DEFAULT_DATE)
@@ -427,7 +428,7 @@ def test_external_task_sensor_templated(dag_maker, app):
with app.app_context():
url = instance.task.get_extra_links(instance, "External DAG")
- assert f"tree?dag_id=dag_{DEFAULT_DATE.date()}" in url
+ assert
f"tree?dag_id=dag_{DEFAULT_DATE.date()}&execution_date={(DEFAULT_DATE -
timedelta(days=1)).date()}" in url
```
Curreantly it fails with `E AssertionError: assert
'tree?dag_id=dag_2015-01-01&execution_date=2014-12-31' in
'http:///tree?dag_id=dag_2015-01-01&execution_date=2015-01-01T00%3A00%3A00%2B00%3A00'`,
but should succeed
### Operating System
Arch Linux
### Versions of Apache Airflow Providers
_No response_
### Deployment
Virtualenv installation
### Deployment details
_No response_
### Anything else
Should modify the `ExternalTaskSensorLink.get_link` method.
The `operator` in there is a `SerializedBaseOperator` and I did not figure
out how to access the `execution_delta` and `execution_date_fn` fields from
there.
### Are you willing to submit PR?
- [ ] Yes I am willing to submit a PR!
### Code of Conduct
- [X] I agree to follow this project's [Code of
Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)
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