40network/parse-ip-opts.sh says:
# Don't mix BOOTIF=macaddr from pxelinux and ip= lines
getarg ip= >/dev/null && getarg BOOTIF= >/dev/null && \
die "Mixing BOOTIF and ip= lines is dangerous"
Why is this dangerous? Couldn't we just ignore BOOTIF= if ip= is
present?
Here's why I ask - in anaconda, if the user passes a kickstart file
inside initramfs (common in PXE environments), it can contain a line
like this:
network --bootproto=static --ip=10.0.2.15 --netmask=255.255.255.0 ...
which anaconda will translate into something like:
ip=10.0.2.15::10.0.2.1:255.0.0.0:::none
but because there's also BOOTIF=... in the boot args, dracut just die()s
instead. Even if the kickstart says "network --bootproto=dhcp", which
becomes "ip=dhcp" (which is the behavior for BOOTIF=...), it dies.
So. Is this necessary? If so, why? If not, can we remove that check and
just ignore BOOTIF if there's an ip= arg?
-w
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