[jira] [Commented] (AIRFLOW-1381) DockerOperator does not allow specification of temporary directory on host

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AIRFLOW-1381?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16855642#comment-16855642 ] 

ASF GitHub Bot commented on AIRFLOW-1381:
-----------------------------------------

OmerJog commented on pull request #5369: [AIRFLOW-1381] Specify host temporary directory
URL: https://github.com/apache/airflow/pull/5369
 
 
   3rd attempt to https://issues.apache.org/jira/browse/AIRFLOW-1381
   
   Previous PRs:
   https://github.com/apache/airflow/pull/4315
   https://github.com/apache/airflow/pull/2418
   
   Lets get this in this time :) 
 
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> DockerOperator does not allow specification of temporary directory on host
> --------------------------------------------------------------------------
>
>                 Key: AIRFLOW-1381
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-1381
>             Project: Apache Airflow
>          Issue Type: Improvement
>          Components: operators
>    Affects Versions: 1.9.0
>         Environment: Causes failure under default conditions in OS X
>            Reporter: Benjamin Sims
>            Priority: Minor
>              Labels: docker
>   Original Estimate: 1h
>  Remaining Estimate: 1h
>
> The Docker uses the standard TemporaryDirectory mechanism to add a volume to the container which is mapped to a temporary directory on the host. 
> By default, TemporaryDirectory places this in a location such as /var/folders/xxx/xxxxx/T/airflowtmpyi9pnn6w. 
> However, Docker on OS X only allows certain folders to be shared into a container. /var/folders is not shared on OS X (and cannot be shared) and the operator will therefore fail with a 'Mounts denied' message.
> This can be solved by setting the environment variable TMPDIR to a path which Docker is able to share. However a solution to set this in the Operator itself would also be useful.



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