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

["Ash Berlin-Taylor (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AIRFLOW-1381?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ash Berlin-Taylor resolved AIRFLOW-1381.
----------------------------------------
       Resolution: Fixed
    Fix Version/s: 1.10.3

> 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
>             Fix For: 1.10.3
>
>   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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