Benjamin Sims created AIRFLOW-1381:
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Summary: 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: docker, operators
Affects Versions: 1.9.0
Environment: Causes failure under default conditions in OS X
Reporter: Benjamin Sims
Priority: Minor
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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