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https://issues.apache.org/jira/browse/AIRFLOW-1381?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16856638#comment-16856638
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ASF GitHub Bot commented on AIRFLOW-1381:
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ashb commented on pull request #5369: [AIRFLOW-1381] Specify host temporary
directory in DockerOperator
URL: https://github.com/apache/airflow/pull/5369
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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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