[jira] [Created] (AIRFLOW-1466) Hostname of job runner does not match on ec2

["Lulu Cheng (JIRA)" <ji...@apache.org>]

Lulu Cheng created AIRFLOW-1466:
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             Summary: Hostname of job runner does not match on ec2
                 Key: AIRFLOW-1466
                 URL: https://issues.apache.org/jira/browse/AIRFLOW-1466
             Project: Apache Airflow
          Issue Type: Bug
          Components: core
    Affects Versions: Airflow 1.8
         Environment: AWS EMR 5.6, Amazon Linux AMI release 2017.03
            Reporter: Lulu Cheng
            Assignee: Lulu Cheng


When running jobs on EMR master, it'll throw the following error

{code}
AirflowException("Hostname of job runner does not match")
{code}

upon investigation, taskinstance.hostname is set to ec2 host name whereas socket.getfqdn is returning full domain name. It's essentially the same, for example ip-1-2-3-4 versus ip-1-2-3-4.ec2.internal.

Fix is to instead of calling fqdn, call gethostname.



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