Make sure this is really fixed by running the template tests with both
variations. NOTE: [customizations] is the correct form. An early
documentation bug led to both being accepted.
Related: rhbz#1688335
Sometimes it is necessary to modify the kernel command-line of the
image, this adds support for a [customizations.kernel] section to the
blueprint:
[customizations.kernel]
append = "nosmt=force"
This will be appended to the kickstart's bootloader --append argument.
Includes tests for modifying the bootloader line, the kickstart
template, and examining the final-kickstart.ks created for a compose.
Related: rhbz#1688335
Otherwise the user creation fails when anaconda sees there is already a
group with that name. Log a warning and continue on.
(cherry picked from commit a363aee971)
