makrushin-evgenii opened a new issue #21274:
URL: https://github.com/apache/airflow/issues/21274
### Apache Airflow version
2.2.3 (latest released)
### What happened
```
from datetime import datetime
from airflow.decorators import dag, task
for n in range(1, 4):
dag_id = "test_dag_{}".format(str(n))
@dag(dag_id=dag_id, schedule_interval=None, start_date=datetime(2022, 2,
1), catchup=False)
def test_dag():
@task
def test_task(x):
print("dag_id={}, x={}".format(dag_id, x))
test_task(dag_id)
globals()[dag_id] = test_dag()
```
Running the DAG above, i retrieve the logs:
```
[2022-02-02, 16:44:26 UTC] {taskinstance.py:1426} INFO - Exporting the
following env vars:
AIRFLOW_CTX_DAG_OWNER=***
AIRFLOW_CTX_DAG_ID=test_dag_1
AIRFLOW_CTX_TASK_ID=test_task
AIRFLOW_CTX_EXECUTION_DATE=2022-02-02T16:32:55.747008+00:00
AIRFLOW_CTX_DAG_RUN_ID=manual__2022-02-02T16:32:55.747008+00:00
[2022-02-02, 16:44:26 UTC] {logging_mixin.py:109} INFO - dag_id=test_dag_3,
x=test_dag_1
[2022-02-02, 16:51:49 UTC] {taskinstance.py:1426} INFO - Exporting the
following env vars:
AIRFLOW_CTX_DAG_OWNER=***
AIRFLOW_CTX_DAG_ID=test_dag_2
AIRFLOW_CTX_TASK_ID=test_task
AIRFLOW_CTX_EXECUTION_DATE=2022-02-02T16:33:08.308699+00:00
AIRFLOW_CTX_DAG_RUN_ID=manual__2022-02-02T16:33:08.308699+00:00
[2022-02-02, 16:51:49 UTC] {logging_mixin.py:109} INFO - dag_id=test_dag_3,
x=test_dag_2
```
1. During the DAG generation, `dag_id` variable tooks different values
2. During the execution `test_task` method, `dag_id` variable tooks the
single value "test_dag_3"
3. During the execution `test_task` method, `dag_id` variable tooks
different values when passed through `x` param
### What you expected to happen
The variable takes the same value during DAG generation and methods
execution:
```
[2022-02-02, 16:44:26 UTC] {taskinstance.py:1426} INFO - Exporting the
following env vars:
AIRFLOW_CTX_DAG_ID=test_dag_1
[2022-02-02, 16:44:26 UTC] {logging_mixin.py:109} INFO - dag_id=test_dag_1,
x=test_dag_1
[2022-02-02, 16:51:49 UTC] {taskinstance.py:1426} INFO - Exporting the
following env vars:
AIRFLOW_CTX_DAG_ID=test_dag_2
[2022-02-02, 16:51:49 UTC] {logging_mixin.py:109} INFO - dag_id=test_dag_2,
x=test_dag_2
(logs edited to show expected result)
```
### How to reproduce
Run the DAG above
### Operating System
macOS Monterey 12.1
### Versions of Apache Airflow Providers
_No response_
### Deployment
Docker-Compose
### Deployment details
_No response_
### Anything else
_No response_
### 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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