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https://issues.apache.org/jira/browse/AIRFLOW-3632?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16734771#comment-16734771
]
ASF GitHub Bot commented on AIRFLOW-3632:
-----------------------------------------
alpeshpandya commented on pull request #4437: AIRFLOW-3632 Adding
replace_microseconds parameter to dag_runs endpoint
URL: https://github.com/apache/incubator-airflow/pull/4437
Make sure you have checked _all_ steps below.
### Jira
- [x] My PR addresses the following [Airflow
Jira](https://issues.apache.org/jira/browse/AIRFLOW/) issues and references
them in the PR title. For example, "\[AIRFLOW-XXX\] My Airflow PR"
- https://issues.apache.org/jira/browse/AIRFLOW-3632
- In case you are fixing a typo in the documentation you can prepend your
commit with \[AIRFLOW-XXX\], code changes always need a Jira issue.
### Description
- [x] Adding replace_microseconds parameter to dag_runs (trigger_dag) api
allows user/scripts to submit run requests to Airflow without having to wait
for one second for subsequent submission.
Example of submitting with replace_microseconds parameter set to No:
curl -X POST \
http://localhost:8080/api/experimental/dags/example_bash_operator/dag_runs
\
-H 'Content-Type: application/json' \
-H 'cache-control: no-cache' \
-d '{"conf":"", "replace_microseconds":"N"}'
The Parameter is still optional so not passing is interpreted as
replace_microseconds Yes following convention of underlying trigger_dag method.
### Tests
- [x] My PR does not need testing as there are no existing test cases for
existing end points. The underlying trigger_dag method is not changed which is
covered by existing test cases.
### Commits
- [x] My commits all reference Jira issues in their subject lines, and I
have squashed multiple commits if they address the same issue. In addition, my
commits follow the guidelines from "[How to write a good git commit
message](http://chris.beams.io/posts/git-commit/)":
1. Subject is separated from body by a blank line
1. Subject is limited to 50 characters (not including Jira issue reference)
1. Subject does not end with a period
1. Subject uses the imperative mood ("add", not "adding")
1. Body wraps at 72 characters
1. Body explains "what" and "why", not "how"
### Documentation
- [x] In case of new functionality, my PR adds documentation that describes
how to use it.
- When adding new operators/hooks/sensors, the autoclass documentation
generation needs to be added.
- All the public functions and the classes in the PR contain docstrings
that explain what it does
### Code Quality
- [x] Passes `flake8`
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> dag_runs endpoint does not allow quick subsequent requests to same DAG
> ----------------------------------------------------------------------
>
> Key: AIRFLOW-3632
> URL: https://issues.apache.org/jira/browse/AIRFLOW-3632
> Project: Apache Airflow
> Issue Type: Bug
> Components: api
> Affects Versions: 1.10.1
> Environment: MacOS and Linux
> Reporter: Alpesh
> Assignee: Alpesh
> Priority: Major
> Labels: easyfix
> Attachments: test_api.sh
>
>
> The experimental API endpoint to start dag runs
> (/dags/<string:dag_id>/dag_runs) does not allow quick subsequent requests to
> run same dag as trigger_dag controller method does not pass
> replace_microseconds argument to trigger_dag method of
> common/experimental/trigger_dag.py.
> The attached shell script runs example_bash_operator in quick successions.
> Only first request is accepted and subsequent requests are rejected with
> message "Run id manual__xxxxxx already exists for dag id
> example_bash_operator"
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