Kevin Klues 01b4381282 Add ability to merge envars of the form NVIDIA_VISIBLE_DEVICES_*
This allows someone to (for example) pass the following environment
variables:

NVIDIA_VISIBLE_DEVICES_0="0,1"
NVIDIA_VISIBLE_DEVICES_1="2,3"
NVIDIA_VISIBLE_DEVICES_WHATEVER="4,5"

and have the nvidia-container-toolkit automatically merge these into:

NVIDIA_VISIBLE_DEVICES="0,1,2,3,4,5"

This is useful (for example) if the full list of devices comes
from multiple, disparate sources.

Note: This will override whatever the original value of
NVIDIA_VISIBLE_DEVICES was (*excluding* its original value) if it also
exists as an environment variable already. We exclude the original value
to ensure that we have a way to override the default value of
NVIDIA_VISIBLE_DEVICES set to "all" inside a container image.

Signed-off-by: Kevin Klues <kklues@nvidia.com>
2020-05-15 19:04:05 +00:00
2020-04-11 17:18:14 -07:00
2020-04-11 17:18:14 -07:00
2019-10-22 14:36:22 -07:00
2020-04-11 17:18:14 -07:00
2020-04-11 17:18:14 -07:00
2019-10-22 14:36:22 -07:00
2019-10-22 14:36:22 -07:00
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