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#!/bin/bash
# platform = Oracle Linux 8,Red Hat Enterprise Linux 8
# packages = grub2,grubby
source common.sh
{{%- if ARG_VARIABLE %}}
# variables = {{{ ARG_VARIABLE }}}=correct_value
{{%- set ARG_NAME_VALUE= ARG_NAME ~ "=correct_value" %}}
{{%- set ARG_NAME_VALUE_WRONG= ARG_NAME ~ "=wrong_value" %}}
{{%- else %}}
{{%- set ARG_NAME_VALUE_WRONG= "wrong_variable" %}}
{{%- endif %}}
{{{ grub2_bootloader_argument_remediation(ARG_NAME, ARG_NAME_VALUE) }}}
# Break the argument in kernel command line in /boot/grub2/grubenv
file="/boot/grub2/grubenv"
if grep -q '^.*{{{ARG_NAME}}}=.*' "$file" ; then
# modify the GRUB command-line if the arg already exists
sed -i 's/\(^.*\){{{ ARG_NAME }}}=[^[:space:]]*\(.*\)/\1 {{{ ARG_NAME_VALUE_WRONG }}}=wrong \2/' "$file"
else
# no arg is present, append it
sed -i 's/\(^.*\(vmlinuz\|kernelopts\).*\)/\1 {{{ ARG_NAME_VALUE_WRONG }}}=wrong/' "$file"
fi
# Ensure that grubenv is referenced through $kernelopts
# othervise contents of grubenv are ignored
for entry in /boot/loader/entries/*.conf; do
if ! grep -q '\$kernelopts' "$entry"; then
sed -i 's/^\(options.*\)$/\1 \$kernelopts/' "$entry"
fi
done
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