[fedora-virt] How can we pass kernel arguments(e.g:ks=hd:/dev/..) to a cdrom-based guest install?

[Daniel P. Berrange]

On Thu, Feb 04, 2010 at 10:45:37AM +0800, Li Ming wrote:
> Hi,
>     How can I pass the ks argument to a guest during install? I am 
> writing an auto install python script,I can use virt-install --location 
> install_tree --extra-args ks=...., but this will active the network, we 
> want to mirror a true DVD install. If use virt-install --cdrom will 
> solve this issue, we have a bad way to pass ks argument,uncompress the 
> ISO,update the syslinux kernel args,then build the ISO again,but this 
> will consume big resource,not a good way. Does someone have good 
> suggestion for me to pass ks arg to kernel while using virt-install 
> --cdrom in python script?

It is only posible to pass kernel boot args when booting off kernel/initrd
direction (ie --location).  With --cdrom the BIOS is in charge. So if you
need to pass args, then you'll have to modify your ISO image to include
them directly.

Daniel
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