The root device is /dev/sda1 for Ubuntu AMIs, but can be otherwise for
other distributions. Support overriding name and size of the root device
from the images definition.
root_name: The root device name, defaulting to /dev/sda1.
root_size: The size to give the root device in GB. Defaults to snapshot size.
The root device is
/dev/sda1for Ubuntu AMIs, but can be otherwise for other distributions. Support overriding name and size of the root device from theimagesdefinition.root_name: The root device name, defaulting to/dev/sda1.root_size: The size to give the root device in GB. Defaults to snapshot size.