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From "jack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AIRFLOW-2965) Add CLI command to find the next dag run.
Date Tue, 28 Aug 2018 04:51:00 GMT

    [ https://issues.apache.org/jira/browse/AIRFLOW-2965?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16594518#comment-16594518
] 

jack commented on AIRFLOW-2965:
-------------------------------

[~sanand] I have no knowledge of how to implement this. Anyone Is welcome to take it and submit
a PR :)

> Add CLI command to find the next dag run.
> -----------------------------------------
>
>                 Key: AIRFLOW-2965
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-2965
>             Project: Apache Airflow
>          Issue Type: Task
>            Reporter: jack
>            Priority: Minor
>             Fix For: 1.10.1
>
>
> I have a dag with the following properties:
> {code:java}
> dag = DAG(
>     dag_id='mydag',
>     default_args=args,
>     schedule_interval='0 1 * * *',
>     max_active_runs=1,
>     catchup=False){code}
>  
>  
> This runs great.
> Last run is: 2018-08-26 01:00  (start date is 2018-08-27 01:00)
>  
> Now it's 2018-08-27 17:55 I decided to change my dag to:
>  
> {code:java}
> dag = DAG(
>     dag_id='mydag',
>     default_args=args,
>     schedule_interval='0 23 * * *',
>     max_active_runs=1,
>     catchup=False){code}
>  
> Now, I have no idea when will be the next dag run.
> Will it be today at 23:00? I can't be sure when the cycle is complete. I'm not even sure
that this change will do what I wish.
> I'm sure you guys are expert and you can answer this question but most of us wouldn't
know.
>  
> The scheduler has the knowledge when the dag is available for running. All I'm asking
is to take that knowledge and create a CLI command that I will give the dag_id and it will
tell me the next date/hour which my dag will be runnable.



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