deanobob opened a new issue, #35186:
URL: https://github.com/apache/airflow/issues/35186
### Apache Airflow version
Other Airflow 2 version (please specify below)
### What happened
Experienced in version 2.6.1 but appears to be an issue in the latest
version too.
When using the Airflow REST API `/api/v1/dags/{dag name}/tasks` to query the
tasks of a DAG that contains a task with the trigger rule 'one_done' an error
is returned:
```
{
"detail": "'one_done' is not one of ['all_success', 'all_failed',
'all_done', 'one_success', 'one_failed', 'none_failed', 'none_skipped',
'none_failed_or_skipped', 'none_failed_min_one_success', 'dummy']\n\nFailed
validating 'enum' in
schema['properties']['tasks']['items']['properties']['trigger_rule']:\n
{'description': 'Trigger rule.\\n'\n '\\n'\n
'*Changed in version 2.2.0*: '\n
\"'none_failed_min_one_success' is added as a possible \"\n
'value.\\n',\n 'enum': ['all_success',\n 'all_failed',\n
'all_done',\n 'one_success',\n 'one_failed',\n
'none_failed',\n 'none_skipped',\n
'none_failed_or_skipped',\n 'none_failed_min_one_success',\n
'dummy'],\n 'type': 'string'}\n\nOn
instance['tasks'][6]['trigger_rule']:\n 'one_done'",
"status": 500,
"title": "Response body does not conform to specification",
"type":
"https://airflow.apache.org/docs/apache-airflow/2.6.1/stable-rest-api-ref.html#section/Errors/Unknown";
}
```
This appears to be an issue with the openapi spec, specifically the
`trigger_rules` enum which is missing some valid trigger rules:
https://github.com/apache/airflow/blob/0bb56315e664875cd764486bb2090e0a2ef747d8/airflow/api_connexion/openapi/v1.yaml#L4756
https://github.com/apache/airflow/blob/8531396c7c8bf1e016db10c7d32e5e19298d67e5/airflow/utils/trigger_rule.py#L23
I believe the openapi spec needs to include `one_done`. It should also be
updated to include `all_done_setup_success`, `always`, and `all_skipped`.
### What you think should happen instead
DAG tasks should be returned with the trigger rule `one_done`
### How to reproduce
Create a DAG, add a task with a trigger rule of `one_done`. Call the Get
tasks API:
https://airflow.apache.org/docs/apache-airflow/stable/stable-rest-api-ref.html#operation/get_tasks
### Operating System
Ubuntu 22.04
### Versions of Apache Airflow Providers
_No response_
### Deployment
Docker-Compose
### Deployment details
_No response_
### Anything else
_No response_
### Are you willing to submit PR?
- [X] 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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