[jira] [Created] (AIRFLOW-3035) gcp_dataproc_hook should treat CANCELLED job state consistently

["Jeffrey Payne (JIRA)" <ji...@apache.org>]

Jeffrey Payne created AIRFLOW-3035:
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             Summary: gcp_dataproc_hook should treat CANCELLED job state consistently
                 Key: AIRFLOW-3035
                 URL: https://issues.apache.org/jira/browse/AIRFLOW-3035
             Project: Apache Airflow
          Issue Type: Bug
          Components: contrib
    Affects Versions: 1.10.0, 2.0.0, 1.10.1
            Reporter: Jeffrey Payne


When a DP job is cancelled, {{gcp_dataproc_hook.py}} does not treat the {{CENCELLED}} state in a consistent and non-intuitive manner:
# The API internal to {{gcp_dataproc_hook.py}} returns {{False}} from {{_DataProcJob.wait_for_done()}}, resulting in {{raise_error()}} being called for cancelled jobs, yet {{raise_error()}} only raises {{Exception}} if the job state is {{ERROR}}.
# The end result from the perspective of the {{dataproc_operator.py}} for a cancelled job is that the job succeeded, which results in the success callback being called.  This seems strange to me, as a "cancelled" job is rarely considered successful, in my experience.

Simply changing {{raise_error()}} from:
{code:python}
        if 'ERROR' == self.job['status']['state']:
{code}
to
{code:python}
        if self.job['status']['state'] in ('ERROR', 'CENCELLED'):
{code}
would fix both of these...



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