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特殊处理外部 grub 引导的机器，例如 cloudcone

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bin456789 2024-06-05 22:23:18 +08:00
parent d821d5b541
commit cfd2421462
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2 changed files with 58 additions and 1 deletions
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5
debian.cfg
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@ -157,7 +157,12 @@ d-i partman/early_command string true; \
# debian 10 没有 /target/etc/ssh/sshd_config.d/ 文件夹
# kali ssh 默认关闭
# 另一种方法处理 cloudcone
# if [ "$link_grub_dir" = 1 ]; then mkdir /target/boot/grub2; echo 'chainloader (hd0)+1' >/target/boot/grub2/grub.cfg; fi; \
d-i preseed/late_command string true; \
link_grub_dir="$(grep -o 'extra\.link_grub_dir=[^ ]*' /proc/cmdline | cut -d= -f2)"; \
if [ "$link_grub_dir" = 1 ]; then ln -s grub /target/boot/grub2; fi; \
in-target systemctl enable ssh; \
echo "PermitRootLogin yes" >/target/etc/ssh/sshd_config.d/01-permitrootlogin.conf || \
echo "PermitRootLogin yes" >>/target/etc/ssh/sshd_config

54
reinstall.sh
View File

@ -1435,6 +1435,14 @@ is_efi() {
fi
}
is_grub_dir_linked() {
# cloudcone 重装前/重装后(方法1)
[ "$(readlink -f /boot/grub/grub.cfg)" = /boot/grub2/grub.cfg ] ||
[ "$(readlink -f /boot/grub2/grub.cfg)" = /boot/grub/grub.cfg ] ||
# cloudcone 重装后(方法2)
{ [ -f /boot/grub2/grub.cfg ] && [ "$(cat /boot/grub2/grub.cfg)" = 'chainloader (hd0)+1' ]; }
}
is_secure_boot_enabled() {
if is_efi; then
if is_in_windows; then
@ -1919,6 +1927,11 @@ build_extra_cmdline() {
elif [ -n "$nextos_mirrorlist" ]; then
extra_cmdline+=" extra.mirrorlist='$nextos_mirrorlist'"
fi
# cloudcone 特殊处理
if is_grub_dir_linked; then
finalos_cmdline+=" extra.link_grub_dir=1"
fi
}
echo_tmp_ttys() {
@ -2961,10 +2974,49 @@ if is_use_grub; then
fi
fi
# cloudcone 从光驱的 grub 启动，再加载硬盘的 grub.cfg
# menuentry "Grub 2" --id grub2 {
# set root=(hd0,msdos1)
# configfile /boot/grub2/grub.cfg
# }
# 加载后 $prefix 依然是光驱的 (hd96)/boot/grub
# 导致找不到 $prefix 目录的 grubenv，因此读取不到 next_entry
# 以下方法为 cloudcone 重新加载 grubenv
# 需查找 2*2 个文件夹
# 分区：系统 / boot
# 文件夹：grub / grub2
# shellcheck disable=SC2121,SC2154
# cloudcone debian 能用但 ubuntu 模板用不了
# ubuntu 模板甚至没显示 reinstall menuentry
load_grubenv_if_not_loaded() {
if ! [ -s $prefix/grubenv ]; then
for dir in /boot/grub /boot/grub2 /grub /grub2; do
set grubenv="($root)$dir/grubenv"
if [ -s $grubenv ]; then
load_env --file $grubenv
if [ "${next_entry}" ]; then
set default="${next_entry}"
set next_entry=
save_env --file $grubenv next_entry
else
set default="0"
fi
return
fi
done
fi
}
# 生成 grub 配置
# 实测 centos 7 lvm 要手动加载 lvm 模块
echo $target_cfg
del_empty_lines <<EOF | tee $target_cfg
get_function_content load_grubenv_if_not_loaded >$target_cfg
del_empty_lines <<EOF | tee -a $target_cfg
set timeout_style=menu
set timeout=5
menuentry "$(get_entry_name)" {
$(! is_in_windows && echo 'insmod lvm')