[jira] [Assigned] (AIRFLOW-2469) example task in documentation causes dataflow operator to fail

["Iuliia Volkova (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AIRFLOW-2469?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Iuliia Volkova reassigned AIRFLOW-2469:
---------------------------------------

    Assignee: Iuliia Volkova

> example task in documentation causes dataflow operator to fail
> --------------------------------------------------------------
>
>                 Key: AIRFLOW-2469
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-2469
>             Project: Apache Airflow
>          Issue Type: Bug
>          Components: Dataflow
>    Affects Versions: 1.9.0
>            Reporter: Chris Chow
>            Assignee: Iuliia Volkova
>            Priority: Critical
>
> https://github.com/apache/incubator-airflow/blob/c7a472ed6b0d8a4720f57ba1140c8cf665757167/airflow/contrib/operators/dataflow_operator.py#L176
> {noformat}
> t1 = DataflowTemplateOperator(
> task_id='datapflow_example',
> template='{{var.value.gcp_dataflow_base}}',
> parameters={
> 'inputFile': "gs://bucket/input/my_input.txt",
> 'outputFile': "gs://bucket/output/my_output.txt"
> },
> gcp_conn_id='gcp-airflow-service-account',
> dag=my-dag){noformat}
> If you actually name a dataflow task 'datapflow_example', the Google dataflow service will not accept the job because it is not named correctly. Dataflow job names can't have '_' in them. Strictly speaking, apache beam jobnames must adhere to the regex 
> [a-z]([-a-z0-9]*[a-z0-9])?.



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