Commits on Jul 14, 2021

1. Adds option to disable mounting temporary folder in DockerOperator …

   The DockerOperator by default mounts temporary folder to inside
   the container in order to allow to store files bigger than
   default size of disk for the container, however this did not work
   when remote Docker engine or Docker-In-Docker solution was used.
   
   This worked before the apache#15843 change, because the /tmp has
   been ignored, however when we change to "Mounts", the "/tmp"
   mount fails when using remote docker engine.
   
   This PR adds parameter that allows to disable this temporary
   directory mounting (and adds a note that it can be replaced
   with mounting existing volumes). Also it prints a warning
   if the directory cannot be mounted and attempts to re-run
   such failed attempt without mounting the temporary
   directory which brings back backwards-compatible behaviour
   for remote engines and docker-in-docker.
   
   Fixes: apache#16803
   Fixes: apache#16806

   

   potiuk committed Jul 14, 2021
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2. Update airflow/providers/docker/operators/docker.py …

   Co-authored-by: Akshesh Doshi <[email protected]>

   

   potiuk and akki authored Jul 14, 2021
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3. Update airflow/providers/docker/operators/docker.py

   

   potiuk authored Jul 14, 2021
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