支持重装到 debian

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bin456789 2023-05-17 22:54:26 +08:00
parent 72f486d252
commit 306252349e
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4 changed files with 194 additions and 63 deletions

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@ -1,12 +1,42 @@
# reinstall
Usage:
```
curl -O https://raw.githubusercontent.com/bin456789/reinstall/main/reinstall.sh
bash reinstall.sh centos-7/8/9 alma-8/9 rocky-8/9 fedora-36/37/38 ubuntu-20.04/22.04 alpine-3.16/3.17/3.18
reboot
```
Username: `root`
Password: `123@@@`
# reinstall
一个一键重装脚本
#### 亮点:
```
使用官方安装方式,非第三方 DD 镜像,更安全
支持 BIOS/EFI 机器,支持 ARM 机器
可能是第一个支持在 1g 内存上安装 红帽 7/8/9 系列的脚本
可能是第一个支持重装到 ubuntu 22.04 的脚本
可能是第一个支持重装到 alpine 的脚本
```
#### 使用:
```
curl -O https://raw.githubusercontent.com/bin456789/reinstall/main/reinstall.sh
bash reinstall.sh centos-7 或其他系统
reboot
```
#### 支持重装到:
```
centos-7/8/9 # centos 8/9 为 stream 版本
alma-8/9
rocky-8/9
fedora-36/37/38
ubuntu-20.04/22.04
alpine-3.16/3.17/3.18
debian-10/11
```
#### 内存要求:
```
debian 384m
centos/alma/rocky/fedora 1g
alpine ?
ubuntu ?
```
#### 网络要求:
```
要求有 IPv4、DHCPv4
```
#### 默认用户名 / 密码:
```
root 123@@@
````

2
ks.cfg
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@ -76,7 +76,7 @@ fi
# 排除虚拟机用不上的组件
include=/tmp/exclude-packages-for-vm
touch $include
if hostnamectl | grep 'Virtualization:'; then
if systemd-detect-virt -v; then
cat <<EOF >$include
# 不删除usb相关的包 因为甲骨文云有usb设备 作用未知
# -usb_modeswitch

69
preseed.cfg Normal file
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@ -0,0 +1,69 @@
# B.4.1. 本地化
d-i debian-installer/locale string en_US
d-i keyboard-configuration/xkb-keymap select us
# B.4.2. 网络设置
d-i netcfg/get_hostname string unassigned-hostname
d-i netcfg/get_domain string unassigned-domain
d-i netcfg/hostname string localhost
# B.4.3. 网络控制台
# B.4.4. 镜像设置
d-i mirror/country string manual
d-i mirror/http/hostname string deb.debian.org
d-i mirror/http/directory string /debian/
# B.4.5. 帐号设置
d-i passwd/make-user boolean false
d-i passwd/root-password password 123@@@
d-i passwd/root-password-again password 123@@@
# B.4.6. 时钟与时区设置
d-i clock-setup/utc boolean true
d-i time/zone string Asia/Shanghai
d-i clock-setup/ntp boolean true
# B.4.7. 分区
d-i partman-auto/method string regular
d-i partman-auto/choose_recipe select atomic
d-i partman-partitioning/confirm_write_new_label boolean true
d-i partman/choose_partition select finish
d-i partman/confirm boolean true
d-i partman/confirm_nooverwrite boolean true
d-i partman-basicfilesystems/no_swap boolean true
# B.4.8. 基本系统安装
# B.4.9. 设置 apt
d-i apt-setup/non-free boolean true
d-i apt-setup/contrib boolean true
d-i apt-setup/enable-source-repositories boolean false
d-i apt-setup/services-select multiselect security, updates, backports
d-i apt-setup/security_host string security.debian.org
# B.4.10. 选择软件包
tasksel tasksel/first multiselect ssh-server
d-i pkgsel/upgrade select none
# B.4.11. 安装 bootloader
d-i grub-installer/only_debian boolean true
d-i grub-installer/with_other_os boolean false
d-i grub2/force_efi_extra_removable boolean true
# B.4.12. 完成安装
d-i finish-install/reboot_in_progress note
# B.4.13. 预置其他的软件包
# B.5.1. 安装过程中运行用户命令
d-i preseed/early_command string \
wget https://geoip.fedoraproject.org/city -O - | grep -w CHN && hostname=ftp.cn.debian.org || hostname=deb.debian.org; \
debconf-set mirror/http/hostname $hostname
d-i partman/early_command string \
debconf-set partman-auto/disk "$(list-devices disk | head -n1)"
d-i preseed/late_command string \
echo "PermitRootLogin yes" >/target/etc/ssh/sshd_config.d/01-permitrootlogin.conf || \
echo "PermitRootLogin yes" >/target/etc/ssh/sshd_config

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@ -3,7 +3,7 @@ confhome=https://raw.githubusercontent.com/bin456789/reinstall/main
localtest_confhome=http://192.168.253.1
usage_and_exit() {
echo "Usage: reinstall.sh centos-7/8/9 alma-8/9 rocky-8/9 fedora-36/37/38 ubuntu-20.04/22.04 alpine-3.16/3.17/3.18"
echo "Usage: reinstall.sh centos-7/8/9 alma-8/9 rocky-8/9 fedora-36/37/38 ubuntu-20.04/22.04 alpine-3.16/3.17/3.18 debian-10/11"
exit 1
}
@ -20,11 +20,8 @@ setos() {
local step=$1
local distro=$2
local releasever=$3
local ks=$4
setos_alpine() {
eval ${step}_distro=$distro
if [ "$localtest" = 1 ]; then
mirror=$confhome/alpine-netboot-3.17.3-x86_64/boot
eval ${step}_vmlinuz=$mirror/vmlinuz-lts
@ -45,10 +42,32 @@ setos() {
fi
}
setos_debian() {
if [ "$localtest" = 1 ]; then
mirror=$confhome/debian/install.amd
eval ${step}_vmlinuz=$mirror/vmlinuz
eval ${step}_initrd=$mirror/initrd.gz
else
case "$releasever" in
12) codename=bookworm ;;
11) codename=bullseye ;;
10) codename=buster ;;
esac
if is_in_china; then
hostname=ftp.cn.debian.org
else
hostname=deb.debian.org
fi
mirror=http://$hostname/debian/dists/$codename/main/installer-$basearch_alt/current/images/netboot/debian-installer/$basearch_alt
eval ${step}_vmlinuz=$mirror/linux
eval ${step}_initrd=$mirror/initrd.gz
fi
eval ${step}_ks=$confhome/preseed.cfg
}
setos_ubuntu() {
if [ "$localtest" = 1 ]; then
mirror=$confhome/
eval ${step}_ks=$confhome/$ks
else
if is_in_china; then
case "$basearch" in
@ -61,23 +80,16 @@ setos() {
"aarch64") mirror=https://cdimage.ubuntu.com/releases/$releasever/release/ ;;
esac
fi
eval ${step}_ks=$confhome/user-data
fi
case "$basearch" in
"x86_64") arch=amd64 ;;
"aarch64") arch=arm64 ;;
esac
filename=$(curl $mirror | grep -oP "ubuntu-$releasever.*?-live-server-$arch.iso" | head -1)
filename=$(curl $mirror | grep -oP "ubuntu-$releasever.*?-live-server-$basearch_alt.iso" | head -1)
eval ${step}_iso=$mirror$filename
eval ${step}_distro=ubuntu
eval ${step}_ks=$confhome/user-data
}
setos_redhat() {
if [ "$localtest" = 1 ]; then
mirror=$confhome/$releasever/
eval ${step}_ks=$confhome/$ks
else
case $distro in
"centos")
@ -95,8 +107,7 @@ setos() {
mirror=$(curl -L $mirrorlist | sed "/^#/d" | sed "/anigil/d" | head -1 | sed "s,\$basearch,$basearch,")
eval "${step}_mirrorlist='${mirrorlist}'"
fi
eval ${step}_ks=$confhome/$ks
eval ${step}_distro=${distro}
eval ${step}_ks=$confhome/ks.cfg
eval ${step}_vmlinuz=${mirror}images/pxeboot/vmlinuz
eval ${step}_initrd=${mirror}images/pxeboot/initrd.img
eval ${step}_squashfs=${mirror}images/install.img
@ -106,21 +117,26 @@ setos() {
fi
}
eval ${step}_distro=$distro
case "$distro" in
ubuntu) setos_ubuntu ;;
alpine) setos_alpine ;;
debian) setos_debian ;;
*) setos_redhat ;;
esac
}
# 检查是否为正确的系统名
verify_os_string() {
for os in 'centos-7|8|9' 'alma|rocky-8|9' 'fedora-36|37|38' 'ubuntu-20.04|22.04' 'alpine-3.16|3.17|3.18'; do
for os in 'centos-7|8|9' 'alma|rocky-8|9' 'fedora-36|37|38' 'ubuntu-20.04|22.04' 'alpine-3.16|3.17|3.18' 'debian-10|11|12'; do
ds=$(echo $os | cut -d- -f1)
vers=$(echo $os | cut -d- -f2 | sed 's \. \\\. g')
finalos=$(echo "$@" | tr '[:upper:]' '[:lower:]' | sed -n -E "s,^($ds)[ :-]?($vers)$,\1:\2,p")
if [ -n "$finalos" ]; then
distro=$(echo $finalos | cut -d: -f1)
if [ "$distro" = centos ] || [ "$distro" = alma ] || [ "$distro" = rocky ]; then
distro_like=redhat
fi
releasever=$(echo $finalos | cut -d: -f2)
return
fi
@ -138,6 +154,8 @@ apt_install() {
install_pkg() {
pkgs=$*
for pkg in $pkgs; do
# util-linux 用 lsmem 命令测试
[ "$pkg" = util-linux ] && pkg=lsmem
if ! command -v $pkg; then
{
apt_install $pkgs ||
@ -152,6 +170,28 @@ install_pkg() {
done
}
check_ram() {
# lsmem最准确但centos7 arm 和alpine不能用
# arm 24g dmidecode 显示少了128m
install_pkg util-linux
ram_size=$(lsmem -b 2>/dev/null | grep 'Total online memory:' | awk '{ print $NF/1024/1024 }')
if [ -z $ram_size ]; then
install_pkg dmidecode
ram_size=$(dmidecode -t 17 | grep "Size.*[GM]B" | awk '{if ($3=="GB") s+=$2*1024; else s+=$2} END {print s}')
fi
case "$distro" in
alpine) ram_requirement=0 ;; # 未测试
debian) ram_requirement=384 ;;
*) ram_requirement=1024 ;;
esac
if [ $ram_size -lt $ram_requirement ]; then
echo "Could not install $distro: RAM < $ram_requirement MB."
exit 1
fi
}
# 脚本入口
if [ "$EUID" -ne 0 ]; then
echo "Please run as root."
@ -190,38 +230,27 @@ if [ -f /etc/alpine-release ]; then
apk add grep
fi
# 获取内存大小lsmem最准确但centos7 arm 和alpine不能用
# arm 24g dmidecode 显示少了128m
if [ $distro != "alpine" ]; then
install_pkg util-linux
ram_size=$(lsmem -b 2>/dev/null | grep 'Total online memory:' | awk '{ print $NF/1024/1024 }')
if [ -z $ram_size ]; then
install_pkg dmidecode
ram_size=$(dmidecode -t 17 | grep "Size.*[GM]B" | awk '{if ($3=="GB") s+=$2*1024; else s+=$2} END {print s}')
fi
if [ $ram_size -lt 1024 ]; then
echo 'RAM < 1G. Unsupported.'
exit 1
fi
fi
check_ram
basearch=$(uname -m)
case "$basearch" in
"x86_64") basearch_alt=amd64 ;;
"aarch64") basearch_alt=arm64 ;;
esac
# 以下目标系统需要进入alpine环境安装
# ubuntu/alpine
# el8/9/fedora 任何架构 <2g
# el7 aarch64 <1.5g
if [ $distro = "ubuntu" ] ||
[ $distro = "alpine" ] ||
{ [ $releasever -ge 8 ] && [ $ram_size -lt 2048 ]; } ||
{ [ $releasever -eq 7 ] && [ $ram_size -lt 1536 ] && [ $basearch = "aarch64" ]; }; then
[ $distro = "ubuntu" ] && ks=user-data || ks=ks.cfg
if [ "$distro" = "ubuntu" ] ||
[ "$distro" = "alpine" ] ||
{ [ "$distro_like" = "redhat" ] && [ $releasever -ge 8 ] && [ $ram_size -lt 2048 ]; } ||
{ [ "$distro_like" = "redhat" ] && [ $releasever -eq 7 ] && [ $ram_size -lt 1536 ] && [ $basearch = "aarch64" ]; }; then
# 安装alpine时使用指定的版本。 alpine作为中间系统时使用 3.18
[ $distro = "alpine" ] && alpine_releasever=$releasever || alpine_releasever=3.18
setos finalos $distro $releasever $ks
[ "$distro" = "alpine" ] && alpine_releasever=$releasever || alpine_releasever=3.18
setos finalos $distro $releasever
setos nextos alpine $alpine_releasever
else
setos nextos $distro $releasever ks.cfg
setos nextos $distro $releasever
fi
# 下载启动内核
@ -229,11 +258,10 @@ fi
{
cd /
echo $nextos_vmlinuz
curl -Lo vmlinuz $nextos_vmlinuz
curl -Lo reinstall-vmlinuz $nextos_vmlinuz
echo $nextos_initrd
curl -Lo initrd $nextos_initrd
touch reinstall.mark
curl -Lo reinstall-initrd $nextos_initrd
}
# 转换 finalos_a=1 为 finalos.a=1 ,排除 finalos_mirrorlist
@ -289,7 +317,7 @@ if [ -n "$finalos_cmdline" ]; then
rm -rf $tmp_dir
mkdir -p $tmp_dir
cd $tmp_dir
zcat /initrd | cpio -idm
zcat /reinstall-initrd | cpio -idm
# hack
# exec /bin/busybox switch_root $switch_root_opts $sysroot $chart_init "$KOPT_init" $KOPT_init_args # 3.17
@ -309,7 +337,7 @@ EOF
# -c Identical to "-H newc", use the new (SVR4)
# portable format.If you wish the old portable
# (ASCII) archive format, use "-H odc" instead.
find . | cpio -o -H newc | gzip -1 >/initrd
find . | cpio -o -H newc | gzip -1 >/reinstall-initrd
# 删除临时文件
cd /
@ -320,7 +348,11 @@ EOF
# apkovl=sda2:ext4:/apkovl.tar.gz 官方有写但不生效
cmdline="alpine_repo=$nextos_repo modloop=$nextos_modloop $extra_cmdline $finalos_cmdline "
else
cmdline="root=live:$nextos_squashfs inst.ks=$nextos_ks $extra_cmdline"
if [ $distro = debian ]; then
cmdline="lowmem=+1 lowmem/low=1 auto=true priority=critical url=$nextos_ks"
else
cmdline="root=live:$nextos_squashfs inst.ks=$nextos_ks $extra_cmdline"
fi
fi
custom_cfg=$grub_cfg_dir/custom.cfg
@ -329,9 +361,9 @@ cat <<EOF | tee $custom_cfg
menuentry "reinstall" {
insmod lvm
insmod xfs
search --no-floppy --file --set=root /reinstall.mark
linux$efi /vmlinuz $cmdline
initrd$efi /initrd
search --no-floppy --file --set=root /reinstall-vmlinuz
linux$efi /reinstall-vmlinuz $cmdline
initrd$efi /reinstall-initrd
}
EOF