[jira] [Commented] (AIRFLOW-1774) Better handling of templated parameters in Google ML batch prediction/training operators

[JIRA]

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https://issues.apache.org/jira/browse/AIRFLOW-1774?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16234602#comment-16234602
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Guillermo Rodríguez Cano commented on AIRFLOW-1774:
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And the corresponding PR: https://github.com/apache/incubator-airflow/pull/2746

> Better handling of templated parameters in Google ML batch 
> prediction/training operators
> ----------------------------------------------------------------------------------------
>
>                 Key: AIRFLOW-1774
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-1774
>             Project: Apache Airflow
>          Issue Type: Improvement
>          Components: contrib, operators
>    Affects Versions: Airflow 2.0, 1.9.0
>            Reporter: Guillermo Rodríguez Cano
>            Priority: Normal
>
> The {{MLEngineBatchPredictionOperator}} does not support well the templated 
> parameter {{job_id}} due to a helper function used to detect and cleanup bad 
> job names inhibiting the templating engine to work. I suspect the same may 
> happen with {{MLEngineTrainingOperator}} as well.
> Google ML requieres a unique job id, therefore it is critical to have the 
> possibility to customise the job's name easily, and preferably with some data 
> related to the DAG, for example, appending the day to the job's name via a 
> macro like {{ds}}



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