改用 alpine 作为中间系统

README.md

@@ -2,7 +2,7 @@
 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
+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`

ks.cfg

@@ -1,4 +1,4 @@
-# shellcheck disable=2148,2215
+# shellcheck disable=2148
 # 设置
 keyboard --vckeymap=us --xlayouts='us'
 lang en_US.UTF-8
@@ -18,38 +18,9 @@ part / --fstype=ext4 --grow # 不用 xfs 因为不能缩小容量
 # 软件
 %packages --ignoremissing # el9 minimal.iso fedora Server repo/iso 没有 tuned
 @^Minimal Install
-tuned
+tuned # 改善性能
 %include /tmp/include-packages-for-resize
-
+%include /tmp/exclude-packages-for-vm
-# 不删除usb相关的包，因为甲骨文云有usb设备，作用未知
-# -usb_modeswitch
-# -usbutils
-
-# 无线
--iw
--crda
--rfkill
-# shellcheck disable=2211
--iwl*-firmware
-
-# 虚拟机用不上
--irqbalance # 多核+直通设备可能有用？
--microcode_ctl
--smartmontools
--aic94xx-firmware
--alsa-firmware
--ivtv-firmware
-# -linux-firmware # 去除后安装centos 8会报错
-
-# fedora
--amd-gpu-firmware
--atheros-firmware
--brcmfmac-firmware
--intel-gpu-firmware
--mt7xxx-firmware
--nvidia-gpu-firmware
--realtek-firmware
-
 %end
 
 # 禁用防火墙
@@ -67,6 +38,13 @@ selinux --disabled
 distro=$(awk -F: '{ print $3 }' </etc/system-release-cpe)
 releasever=$(awk -F: '{ print $5 }' </etc/system-release-cpe)
 
+# 重新整理 extra，grub把两侧的引号吃掉了，eval出错，要重新添加引号
+# 提取 extra.localtest extra.confhome extra.mirrorlist
+prefix=extra
+for var in $(grep -o "\b$prefix\.[^ ]*" /proc/cmdline | xargs); do
+    eval "$(echo $var | sed -E "s/$prefix\.([^=]*)=(.*)/\1='\2'/")"
+done
+
 # 有 installer 分区，表示用了两步安装
 include=/tmp/include-packages-for-resize
 touch $include
@@ -76,7 +54,7 @@ if [ -e /dev/disk/by-label/installer ]; then
     mount /dev/disk/by-label/installer /installer
     mount /dev/disk/by-label/installer /installer -o remount,rw
     swapfile=/installer/swapfile
-    if -v fallocate; then
+    if command -v fallocate; then
         fallocate -l 1GiB $swapfile
     else
         dd if=/dev/zero of=$swapfile bs=1MiB count=1024
@@ -95,11 +73,42 @@ if [ -e /dev/disk/by-label/installer ]; then
     fi
 fi
 
-# 重新整理 extra，因为grub会处理掉引号，要重新添加引号
+# 排除虚拟机用不上的组件
-# 提取 extra.localtest extra.confhome extra.mirrorlist
+include=/tmp/exclude-packages-for-vm
-for var in $(grep -o '\bextra\.[^ ]*' /proc/cmdline | xargs); do
+touch $include
-    eval " $(echo $var | sed -E "s/extra\.([^=]*)=(.*)/\1='\2'/")"
+if hostnamectl | grep 'Virtualization:'; then
-done
+    cat <<EOF >$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
+        # -usbutils
+
+        # 无线
+        -iw
+        -crda
+        -rfkill
+        -iwl*-firmware
+
+        # 其他
+        -irqbalance # 多核+直通设备可能有用？
+        -microcode_ctl
+        -smartmontools
+
+        # 各种固件
+        -aic94xx-firmware
+        -alsa-firmware
+        -ivtv-firmware
+        # -linux-firmware # 去除后安装centos 8会报错
+
+        # fedora 特有固件
+        -amd-gpu-firmware
+        -atheros-firmware
+        -brcmfmac-firmware
+        -intel-gpu-firmware
+        -mt7xxx-firmware
+        -nvidia-gpu-firmware
+        -realtek-firmware
+EOF
+fi
 
 # 设置安装源
 include=/tmp/include-url-command
@@ -128,8 +137,11 @@ fi
 
 # 分步安装的系统，要将最后一个分区（installer）合并到系统分区
 if [ -e /dev/disk/by-label/installer ]; then
-    # 提取 extra.confhome
+    # 提取 extra.localtest extra.confhome extra.mirrorlist
-    eval "$(grep -o '\bextra\.[^ ]*' /proc/cmdline | sed 's/\bextra.//')"
+    prefix=extra
+    for var in $(grep -o "\b$prefix\.[^ ]*" /proc/cmdline | xargs); do
+        eval "$(echo $var | sed -E "s/$prefix\.([^=]*)=(.*)/\1='\2'/")"
+    done
 
     cd /
     curl -O $confhome/resize.sh

reinstall.sh

@@ -3,21 +3,47 @@ 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"
+    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"
     exit 1
 }
 
 is_in_china() {
-    # https://geoip.ubuntu.com/lookup
+    if [ -z $_is_in_china ]; then
-    curl -L https://geoip.fedoraproject.org/city | grep -w CN
+        # https://geoip.ubuntu.com/lookup
+        curl -L https://geoip.fedoraproject.org/city | grep -w CHN
+        _is_in_china=$?
+    fi
+    return $_is_in_china
 }
 
 setos() {
-    step=$1
+    local step=$1
-    distro=$2
+    local distro=$2
-    releasever=$3
+    local releasever=$3
-    ks=$4
+    local ks=$4
-    vault=$5
+
+    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
+            eval ${step}_initrd=$mirror/initramfs-lts
+            eval ${step}_repo=https://mirrors.aliyun.com/alpine/v3.17/main
+            eval ${step}_modloop=$mirror/modloop-lts
+        else
+            # 不要用https 因为甲骨文云arm initramfs阶段不会从硬件同步时钟，导致访问https出错
+            if is_in_china; then
+                mirror=http://mirrors.aliyun.com/alpine/v$releasever
+            else
+                mirror=http://dl-cdn.alpinelinux.org/alpine/v$releasever
+            fi
+            eval ${step}_vmlinuz=$mirror/releases/$basearch/netboot/vmlinuz-lts
+            eval ${step}_initrd=$mirror/releases/$basearch/netboot/initramfs-lts
+            eval ${step}_repo=$mirror/main
+            eval ${step}_modloop=$mirror/releases/$basearch/netboot/modloop-lts
+        fi
+    }
 
     setos_ubuntu() {
         if [ "$localtest" = 1 ]; then
@@ -48,40 +74,28 @@ setos() {
         eval ${step}_distro=ubuntu
     }
 
-    setos_rh() {
+    setos_redhat() {
         if [ "$localtest" = 1 ]; then
             mirror=$confhome/$releasever/
             eval ${step}_ks=$confhome/$ks
         else
-            # 甲骨文 arm 1g内存，用 centos 7.9 镜像会 oom 进不了安装界面，所以用7.6
+            case $distro in
-            if [ "$vault" = 1 ]; then
+            "centos")
-                if is_in_china; then
+                case $releasever in
-                    [ "$basearch" = "x86_64" ] && dir= || dir=/altarch
+                "7") mirrorlist="http://mirrorlist.centos.org/?release=7&arch=$basearch&repo=os" ;;
-                    mirror="https://mirrors.aliyun.com/centos-vault$dir/7.6.1810/os/$basearch/"
+                "8") mirrorlist="http://mirrorlist.centos.org/?release=8-stream&arch=$basearch&repo=BaseOS" ;;
-                else
+                "9") mirrorlist="https://mirrors.centos.org/mirrorlist?repo=centos-baseos-9-stream&arch=$basearch" ;;
-                    [ "$basearch" = "x86_64" ] && dir=centos || dir=altarch
-                    mirror=http://vault.centos.org/$dir/7.6.1810/os/$basearch/
-                fi
-            else
-                case $distro in
-                "centos")
-                    case $releasever in
-                    "7") mirrorlist="http://mirrorlist.centos.org/?release=7&arch=$basearch&repo=os" ;;
-                    "8") mirrorlist="http://mirrorlist.centos.org/?release=8-stream&arch=$basearch&repo=BaseOS" ;;
-                    "9") mirrorlist="https://mirrors.centos.org/mirrorlist?repo=centos-baseos-9-stream&arch=$basearch" ;;
-                    esac
-                    ;;
-                "alma") mirrorlist="https://mirrors.almalinux.org/mirrorlist/$releasever/baseos" ;;
-                "rocky") mirrorlist="https://mirrors.rockylinux.org/mirrorlist?arch=$basearch&repo=BaseOS-$releasever" ;;
-                "fedora") mirrorlist="https://mirrors.fedoraproject.org/mirrorlist?arch=$basearch&repo=fedora-$releasever" ;;
                 esac
-                # rocky/centos9 需要删除第一行注释， alma 需要替换$basearch，anigil 这个源不稳定
+                ;;
-                mirror=$(curl -L $mirrorlist | sed "/^#/d" | sed "/anigil/d" | head -1 | sed "s,\$basearch,$basearch,")
+            "alma") mirrorlist="https://mirrors.almalinux.org/mirrorlist/$releasever/baseos" ;;
-                eval "${step}_mirrorlist='${mirrorlist}'"
+            "rocky") mirrorlist="https://mirrors.rockylinux.org/mirrorlist?arch=$basearch&repo=BaseOS-$releasever" ;;
-            fi
+            "fedora") mirrorlist="https://mirrors.fedoraproject.org/mirrorlist?arch=$basearch&repo=fedora-$releasever" ;;
-            eval ${step}_ks=$confhome/$ks
+            esac
+            # rocky/centos9 需要删除第一行注释， alma 需要替换$basearch，anigil 这个源不稳定
+            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 ${step}_vmlinuz=${mirror}images/pxeboot/vmlinuz
         eval ${step}_initrd=${mirror}images/pxeboot/initrd.img
@@ -92,20 +106,59 @@ setos() {
         fi
     }
 
-    if [ "$distro" = "ubuntu" ]; then
+    case "$distro" in
-        setos_ubuntu
+    ubuntu) setos_ubuntu ;;
-    else
+    alpine) setos_alpine ;;
-        setos_rh
+    *) setos_redhat ;;
-    fi
+    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
+        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 $finalos | cut -d: -f1)
+            releasever=$(echo $finalos | cut -d: -f2)
+            return
+        fi
+    done
+
+    echo "Please specify a proper os."
+    usage_and_exit
+}
+
+apt_install() {
+    [ -z "$apk_updated" ] && apt update && apk_updated=1
+    apt install -y $pkgs
+}
+
+install_pkg() {
+    pkgs=$*
+    for pkg in $pkgs; do
+        if ! command -v $pkg; then
+            {
+                apt_install $pkgs ||
+                    dnf install -y $pkgs ||
+                    yum install -y $pkgs ||
+                    zypper install -y $pkgs ||
+                    pacman -Syu $pkgs ||
+                    apk add $pkgs
+            } 2>/dev/null
+            break
+        fi
+    done
+}
+
+# 脚本入口
 if [ "$EUID" -ne 0 ]; then
     echo "Please run as root."
     exit 1
 fi
 
-opts=$(getopt -a -n $0 --options l --long localtest -- "$@")
+if ! opts=$(getopt -a -n $0 --options l --long localtest -- "$@"); then
-if [ "$?" != 0 ]; then
     usage_and_exit
 fi
 
@@ -128,68 +181,45 @@ while true; do
     esac
 done
 
-# 检查是否为正确的系统名
+verify_os_string "$@"
-for re in \
-    "s,.*\b(centos|alma|rocky)(linux)?[ :-]?([789])\b.*,\1:\3,p" \
-    "s,.*\b(fedora)(linux)?[ :-]?(3[678])\b.*,\1:\3,p" \
-    "s,.*\b(ubuntu)(linux)?[ :-]?(2[02]\.04)\b.*,\1:\3,p"; do
-
-    finalos=$(echo "$@" | tr '[:upper:]' '[:lower:]' | sed -n -E "$re")
-    if [ -n "$finalos" ]; then
-        break
-    fi
-done
-if [ -z "$finalos" ]; then
-    echo "Please specify a proper os."
-    usage_and_exit
-fi
-
-# 最小安装的 debian 不包含 curl dmidecode
-install_pkg() {
-    pkgs=$1
-    for pkg in $pkgs; do
-        if ! command -v $pkg; then
-            {
-                { apt update && apt install -y $pkgs; } ||
-                    dnf install -y $pkgs ||
-                    yum install -y $pkgs ||
-                    zypper install -y $pkgs ||
-                    pacman -Syu $pkgs
-            } 2>/dev/null
-            break
-        fi
-    done
-}
-
-# 获取内存大小，lsmem最准确但centos7 arm不能用
-# arm 24g dmidecode 显示少了128m
-ram_size=$(lsmem -b | 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
 
+# 必备组件
 install_pkg curl
-distro=$(echo $finalos | cut -d: -f1)
+# alpine 自带的 grep 是 busybox 里面的， 要下载完整版grep
-releasever=$(echo $finalos | cut -d: -f2)
+if [ -f /etc/alpine-release ]; then
-basearch=$(uname -m)
+    apk add grep
+fi
 
-# 以下目标系统需要两步安装
+# 获取内存大小，lsmem最准确但centos7 arm 和alpine不能用
-# ubuntu
+# 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 [ $ram_size -lt 1024 ]; then
+        echo 'RAM < 1G. Unsupported.'
+        exit 1
+    fi
+fi
+
+basearch=$(uname -m)
+# 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
-# shellcheck disable=SC2154
 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
+    # 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
-    setos nextos centos 7 ks-trans.cfg 1
+    setos nextos alpine $alpine_releasever
 else
     setos nextos $distro $releasever ks.cfg
 fi
@@ -198,53 +228,110 @@ fi
 # shellcheck disable=SC2154
 {
     cd /
-    curl -LO $nextos_vmlinuz
+    echo $nextos_vmlinuz
-    curl -LO $nextos_initrd
+    curl -Lo vmlinuz $nextos_vmlinuz
+
+    echo $nextos_initrd
+    curl -Lo initrd $nextos_initrd
     touch reinstall.mark
 }
 
 # 转换 finalos_a=1 为 finalos.a=1 ，排除 finalos_mirrorlist
 build_finalos_cmdline() {
-    for var in $(compgen -v finalos_); do
+    for key in $(compgen -v finalos_); do
-        key=${var//_/.}
+        value=${!key}
-        [ $key != "finalos.mirrorlist" ] && finalos_cmdline+=" $key=${!var}"
+        key=${key#finalos_}
+        if [ -n "$value" ] && [ $key != "mirrorlist" ]; then
+            finalos_cmdline+=" finalos.$key=$value"
+        fi
     done
 }
 
 build_extra_cmdline() {
-    extra_cmdline+=" extra.confhome=$confhome"
+    for key in localtest confhome; do
-    if [ "$localtest" = 1 ]; then
+        value=${!key}
-        extra_cmdline+=" extra.localtest=$localtest"
+        if [ -n "$value" ]; then
-    else
+            extra_cmdline+=" extra.$key=$value"
-        # 指定最终安装系统的 mirrorlist，链接有&，在grub中是特殊字符，所以要加引号
-        if [ -n "$finalos_mirrorlist" ]; then
-            extra_cmdline+=" extra.mirrorlist='$finalos_mirrorlist'"
-        elif [ -n "$nextos_mirrorlist" ]; then
-            extra_cmdline+=" extra.mirrorlist='$nextos_mirrorlist'"
         fi
+    done
+
+    # 指定最终安装系统的 mirrorlist，链接有&，在grub中是特殊字符，所以要加引号
+    if [ -n "$finalos_mirrorlist" ]; then
+        extra_cmdline+=" extra.mirrorlist='$finalos_mirrorlist'"
+    elif [ -n "$nextos_mirrorlist" ]; then
+        extra_cmdline+=" extra.mirrorlist='$nextos_mirrorlist'"
     fi
 }
 
-# arm64 不需要添加 efi 字样
-if [ -d /sys/firmware/efi ] && [ "$basearch" = x86_64 ]; then
-    action='efi'
-fi
-
 build_finalos_cmdline
 build_extra_cmdline
 grub_cfg=$(find /boot -type f -name grub.cfg -exec grep -E -l 'menuentry|blscfg' {} \;)
 grub_cfg_dir=$(dirname $grub_cfg)
 
+# 在x86 efi机器上，可能用 linux 或 linuxefi 加载内核
+# 通过检测原有的条目有没有 linuxefi 字样就知道当前 grub 用哪一种
+search_files=$(find /boot -type f -name grub.cfg)
+if [ -d /boot/loader/entries/ ]; then
+    search_files="$search_files /boot/loader/entries/"
+fi
+if grep -q -r -E '^[[:blank:]]*linuxefi[[:blank:]]' $search_files; then
+    efi=efi
+fi
+
+# 修改 alpine 启动时运行我们的脚本
+# shellcheck disable=SC2154,SC2164
+if [ -n "$finalos_cmdline" ]; then
+    install_pkg gzip cpio
+
+    # 解压
+    # 先删除临时文件，避免之前运行中断有残留文件
+    tmp_dir=/tmp/reinstall/
+    rm -rf $tmp_dir
+    mkdir -p $tmp_dir
+    cd $tmp_dir
+    zcat /initrd | cpio -idm
+
+    # hack
+    # exec /bin/busybox switch_root $switch_root_opts $sysroot $chart_init "$KOPT_init" $KOPT_init_args # 3.17
+    # exec              switch_root $switch_root_opts $sysroot $chart_init "$KOPT_init" $KOPT_init_args # 3.18
+    line_num=$(grep -E -n '^exec (/bin/busybox )?switch_root' init | cut -d: -f1)
+    line_num=$((line_num - 1))
+    cat <<EOF | sed -i "${line_num}r /dev/stdin" init
+        # alpine arm initramfs 时间问题 要添加 --no-check-certificate
+        wget --no-check-certificate -O \$sysroot/etc/local.d/trans.start $confhome/trans.sh
+        chmod a+x \$sysroot/etc/local.d/trans.start
+        ln -s /etc/init.d/local \$sysroot/etc/runlevels/default/
+EOF
+
+    # 重建
+    # 注意要用 cpio -H newc 不要用 cpio -c ，不同版本的 -c 作用不一样，很坑
+    # -c    Use the old portable (ASCII) archive format
+    # -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
+
+    # 删除临时文件
+    cd /
+    rm -rf $tmp_dir
+
+    # 可添加 pkgs=xxx,yyy 启动时自动安装
+    # apkovl=http://xxx.com/apkovl.tar.gz 可用，arm https未测但应该不行
+    # apkovl=sda2:ext4:/apkovl.tar.gz 官方有写但不生效
+    cmdline="alpine_repo=$nextos_repo modloop=$nextos_modloop $extra_cmdline $finalos_cmdline "
+else
+    cmdline="root=live:$nextos_squashfs inst.ks=$nextos_ks $extra_cmdline"
+fi
+
 custom_cfg=$grub_cfg_dir/custom.cfg
 echo $custom_cfg
-# shellcheck disable=SC2154
 cat <<EOF | tee $custom_cfg
 menuentry "reinstall" {
     insmod lvm
     insmod xfs
     search --no-floppy --file --set=root /reinstall.mark
-    linux$action /vmlinuz root=live:$nextos_squashfs inst.ks=$nextos_ks $finalos_cmdline $extra_cmdline
+    linux$efi /vmlinuz $cmdline
-    initrd$action /initrd.img
+    initrd$efi /initrd
 }
 EOF
 

resize.sh

@@ -2,10 +2,12 @@
 PATH="/usr/sbin:/usr/bin"
 
 update_part() {
-  partprobe
+  hdparm -z $1
+  partprobe $1
   partx -u $1
   udevadm settle
-}
+  echo 1 >/sys/block/${1#/dev/}/device/rescan
+} 2>/dev/null
 
 # el 自带 fdisk parted (el7的part不支持在线扩容)
 # ubuntu 自带 fdisk growpart
@@ -52,6 +54,7 @@ case $part_fstype in
 xfs) xfs_growfs / ;;
 ext*) resize2fs /dev/$xda$part_num ;;
 esac
+update_part /dev/$xda
 
 # 删除脚本自身
 rm -f /resize.sh /etc/cron.d/resize

trans.sh

@@ -1,18 +1,94 @@
-# shellcheck disable=SC2148
+#!/bin/ash
-rescue --nomount
+# shellcheck shell=dash
-%pre
+# alpine 默认使用 busybox ash
 
-exec >/dev/pts/0 2>&1
+# 显示输出到前台
+# 似乎script更优雅，但 alpine 不带 script 命令
+# script -f/dev/tty0
+exec >/dev/tty0 2>&1
+
+# 提取 finalos/extra 到变量
+for prefix in finalos extra; do
+    for var in $(grep -o "\b$prefix\.[^ ]*" /proc/cmdline | xargs); do
+        eval "$(echo $var | sed -E "s/$prefix\.([^=]*)=(.*)/\1='\2'/")"
+    done
+done
+
+# 找到主硬盘
+# alpine 不自带lsblk，liveos安装的软件也会被带到新系统，所以不用lsblk
+# xda=$(lsblk -dn -o NAME | grep -E 'nvme0n1|.da')
+# shellcheck disable=SC2010
+xda=$(ls /dev/ | grep -Ex '[shv]da|nvme0n1')
+
+# arm要手动从硬件同步时间，避免访问https出错
+hwclock -s
+
+# 安装并打开 ssh
+echo root:123@@@ | chpasswd
+printf '\nyes' | setup-sshd
+
+# shellcheck disable=SC2154
+if [ "$distro" = "alpine" ]; then
+    # 还原改动，不然本脚本会被复制到新系统
+    rm -f /etc/local.d/trans.start
+    rm -f /etc/runlevels/default/local
+
+    # 网络
+    setup-interfaces -a # 生成 /etc/network/interfaces
+    rc-update add networking boot
+
+    # 设置
+    setup-keymap us us
+    setup-timezone -i Asia/Shanghai
+    setup-ntp chrony
+
+    # 在 arm netboot initramfs init 中
+    # 如果识别到rtc硬件，就往系统添加hwclock服务，否则添加swclock
+    # 这个设置也被复制到安装的系统中
+    # 但是从initramfs chroot到真正的系统后，是能识别rtc硬件的
+    # 所以我们手动改用hwclock修复这个问题
+    rc-update del swclock boot
+    rc-update add hwclock boot
+
+    # 通过 setup-alpine 安装会多启用几个服务
+    # https://github.com/alpinelinux/alpine-conf/blob/c5131e9a038b09881d3d44fb35e86851e406c756/setup-alpine.in#L189
+    # acpid | default
+    # crond | default
+    # seedrng | boot
+
+    # 添加 virt-what 用到的社区仓库
+    alpine_ver=$(cut -d. -f1,2 </etc/alpine-release)
+    echo http://dl-cdn.alpinelinux.org/alpine/v$alpine_ver/community >>/etc/apk/repositories
+
+    # 如果是 vm 就用 virt 内核
+    cp /etc/apk/world /tmp/world.old
+    apk add virt-what
+    if [ -n "$(virt-what)" ]; then
+        kernel_opt="-k virt"
+    fi
+    # 删除 virt-what 和依赖，不然会带到新系统
+    apk del "$(diff /tmp/world.old /etc/apk/world | grep '^+' | sed '1d' | sed 's/^+//')"
+
+    # 重置为官方仓库配置
+    true >/etc/apk/repositories
+    setup-apkrepos -1
+    setup-apkcache /var/cache/apk
+
+    # 安装到硬盘
+    # alpine默认使用 syslinux (efi 环境除外)，这里强制使用 grub，方便用脚本再次重装
+    export BOOTLOADER="grub"
+    printf 'y' | setup-disk -m sys $kernel_opt -s 0 /dev/$xda
+    exec reboot
+fi
 
 download() {
-    # axel 有问题
+    # 显示 url
-    # axel "https://rocky-linux-us-south1.production.gcp.mirrors.ctrliq.cloud/pub/rocky//8.7/BaseOS/aarch64/os/images/pxeboot/vmlinuz"
+    echo $1
-    # Initializing download: https://rocky-linux-us-south1.production.gcp.mirrors.ctrliq.cloud/pub/rocky//8.7/BaseOS/aarch64/os/images/pxeboot/vmlinuz
-    # Connection gone.
 
-    # axel https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/archive-virtio/virtio-win-0.1.229-1/virtio-win-0.1.229.iso
+    # 阿里云禁止 axel 下载
-    # Initializing download: https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/archive-virtio/virtio-win-0.1.229-1/virtio-win-0.1.229.iso
+    # axel https://mirrors.aliyun.com/alpine/latest-stable/releases/x86_64/alpine-netboot-3.17.0-x86_64.tar.gz
-    # Too many redirects.
+    # Initializing download: https://mirrors.aliyun.com/alpine/latest-stable/releases/x86_64/alpine-netboot-3.17.0-x86_64.tar.gz
+    # HTTP/1.1 403 Forbidden
 
     # 先用 axel 下载
     [ -z $2 ] && save="" || save="-o $2"
@@ -24,16 +100,25 @@ download() {
 }
 
 update_part() {
-    partprobe
+    hdparm -z $1
+    partprobe $1
     partx -u $1
     udevadm settle
-}
+    echo 1 >/sys/block/${1#/dev/}/device/rescan
+} 2>/dev/null
 
-# 找到主硬盘
+if ! apk add util-linux axel grub udev hdparm e2fsprogs curl parted; then
-xda=$(lsblk -dn -o NAME | grep -E 'nvme0n1|.da')
+    echo 'Unable to install package!'
+    sleep 1m
+    exec reboot
+fi
+
+# 打开dev才能刷新分区名
+rc-service udev start
 
 # 反激活 lvm
-vgchange -an
+# alpine live 不需要
+false && vgchange -an
 
 # 移除 lsblk 显示的分区
 partx -d /dev/$xda
@@ -46,6 +131,7 @@ disk_2t=$((2 * 1024 * 1024 * 1024 * 1024))
 # {xda}*1 星号用于 nvme0n1p1 的字母 p
 if [ -d /sys/firmware/efi ]; then
     # efi
+    apk add dosfstools
     parted /dev/$xda -s -- \
         mklabel gpt \
         mkpart '" "' fat32 1MiB 1025MiB \
@@ -93,45 +179,36 @@ mount /dev/disk/by-label/installer /os/installer
 
 # 安装 grub2
 basearch=$(uname -m)
-if [ -d /sys/firmware/efi ]; then
+if [ -d /sys/firmware/efi/ ]; then
-    # el7的grub无法启动f38 arm的内核
+    # 注意低版本的grub无法启动f38 arm的内核
     # https://forums.fedoraforum.org/showthread.php?330104-aarch64-pxeboot-vmlinuz-file-format-changed-broke-PXE-installs
 
-    # shellcheck disable=SC2164
+    apk add grub-efi efibootmgr
-    cd /os/boot/efi
+    grub-install --efi-directory=/os/boot/efi --boot-directory=/os/boot
-    download https://mirrors.aliyun.com/fedora/releases/38/Everything/$basearch/os/images/efiboot.img
+
-    mkdir /efiboot
+    # 添加 netboot 备用
-    mount -o ro efiboot.img /efiboot
+    cd /os/boot/efi || exit
-    cp -r /efiboot/* /os/boot/efi/
+    if [ "$basearch" = aarch64 ]; then
+        download https://boot.netboot.xyz/ipxe/netboot.xyz-arm64.efi
+    else
+        download https://boot.netboot.xyz/ipxe/netboot.xyz.efi
+    fi
 else
-    rpm -i --nodeps https://mirrors.aliyun.com/centos/7/os/x86_64/Packages/grub2-pc-modules-2.02-0.86.el7.centos.noarch.rpm
+    apk add grub-bios
-    grub2-install --boot-directory=/os/boot /dev/$xda
+    grub-install --boot-directory=/os/boot /dev/$xda
 fi
 
-# 安装 axel
-rpm -i --nodeps https://mirrors.aliyun.com/epel/7/$basearch/Packages/a/axel-2.4-9.el7.$basearch.rpm
-
-if [ -d /sys/firmware/efi ] && [ "$basearch" = "x86_64" ]; then
-    action='efi'
-fi
-
-# 提取 finalos 到变量
-eval "$(grep -o '\bfinalos\.[^ ]*' /proc/cmdline | sed 's/finalos.//')"
-
 # 重新整理 extra，因为grub会处理掉引号，要重新添加引号
 for var in $(grep -o '\bextra\.[^ ]*' /proc/cmdline | xargs); do
-    extra_cmdline+=" $(echo $var | sed -E "s/(extra\.[^=]*)=(.*)/\1='\2'/")"
+    extra_cmdline="$extra_cmdline $(echo $var | sed -E "s/(extra\.[^=]*)=(.*)/\1='\2'/")"
 done
 
-if [ -d /sys/firmware/efi ]; then
+grub_cfg=/os/boot/grub/grub.cfg
-    grub_cfg=/os/boot/efi/EFI/BOOT/grub.cfg
-else
-    grub_cfg=/os/boot/grub2/grub.cfg
-fi
 
-# shellcheck disable=SC2154,SC2164
+# 新版grub不区分linux/linuxefi
+# shellcheck disable=SC2154
 if [ "$distro" = "ubuntu" ]; then
-    cd /os/installer/
+    cd /os/installer/ || exit
     download $iso ubuntu.iso
 
     iso_file=/ubuntu.iso
@@ -144,26 +221,25 @@ if [ "$distro" = "ubuntu" ]; then
             rmmod tpm
             search --no-floppy --label --set=root installer
             loopback loop $iso_file
-            linux (loop)/casper/vmlinuz iso-scan/filename=$iso_file autoinstall cloud-config-url=$ks $extra_cmdline ---
+            linux (loop)/casper/vmlinuz iso-scan/filename=$iso_file autoinstall noprompt noeject cloud-config-url=$ks $extra_cmdline ---
             initrd (loop)/casper/initrd
         }
 EOF
 else
-    cd /os/
+    cd /os/ || exit
     download $vmlinuz
     download $initrd
 
-    cd /os/installer/
+    cd /os/installer/ || exit
     download $squashfs install.img
 
     cat <<EOF >$grub_cfg
         set timeout=5
         menuentry "reinstall" {
             search --no-floppy --label --set=root os
-            linux$action /vmlinuz inst.stage2=hd:LABEL=installer:/install.img inst.ks=$ks $extra_cmdline
+            linux /vmlinuz inst.stage2=hd:LABEL=installer:/install.img inst.ks=$ks $extra_cmdline
-            initrd$action /initrd.img
+            initrd /initrd.img
         }
 EOF
 fi
 reboot
-%end

ubuntu-storage-early.sh

@@ -1,21 +1,23 @@
 #!/bin/bash
-sed -i '$d' /autoinstall.yaml
+sed -i -E '/^\.{3}$/d' /autoinstall.yaml
+echo 'storage:' >>/autoinstall.yaml
+
+# 禁用 swap
+cat <<EOF >>/autoinstall.yaml
+  swap:
+    size: 0
+EOF
+
 xda=$(lsblk -dn -o NAME | grep -E 'nvme0n1|.da')
 # 是用 size 寻找分区，number 没什么用
 # https://curtin.readthedocs.io/en/latest/topics/storage.html
 size_os=$(lsblk -bn -o SIZE /dev/disk/by-label/os)
 
 if parted /dev/$xda print | grep '^Partition Table' | grep gpt; then
-  # parted 3.1 on centos7 bug
-  # https://documentation.suse.com/zh-cn/sles/15/html/SLES-all/cha-expert-partitioner.html#sec-expert-partitioner-tables-gpt
-  parted /dev/$xda -s 'set 2 msftdata off' # os
-  parted /dev/$xda -s 'set 3 msftdata off' # installer
-
   # efi
   if [ -e /dev/disk/by-label/efi ]; then
     size_efi=$(lsblk -bn -o SIZE /dev/disk/by-label/efi)
     cat <<EOF >>/autoinstall.yaml
-storage:
   config:
     # disk
     - ptable: gpt
@@ -60,7 +62,6 @@ EOF
     # bios 2t
     size_biosboot=$(parted /dev/$xda unit b print | grep bios_grub | awk '{print $4}' | sed 's/B$//')
     cat <<EOF >>/autoinstall.yaml
-storage:
   config:
     # disk
     - ptable: gpt
@@ -97,7 +98,6 @@ EOF
 else
   # bios
   cat <<EOF >>/autoinstall.yaml
-storage:
   config:
     # disk
     - ptable: msdos

user-data

@@ -17,7 +17,10 @@ autoinstall:
       mount | grep /isodevice && { losetup -d /dev/loop0; umount -l /isodevice; } || true
 
       # 提取 extra.confhome
-      eval "$(grep -o '\bextra\.[^ ]*' /proc/cmdline | sed 's/\bextra.//')"
+      prefix=extra
+      for var in $(grep -o "\b$prefix\.[^ ]*" /proc/cmdline | xargs); do
+          eval "$(echo $var | sed -E "s/$prefix\.([^=]*)=(.*)/\1='\2'/")"
+      done
 
       # 生成分区信息
       curl -L $confhome/ubuntu-storage-early.sh | bash -s
@@ -35,7 +38,10 @@ autoinstall:
       sed -i -E 's/^#(nameserver )/\1/' /etc/resolv.conf
 
       # 提取 extra.confhome
-      eval "$(grep -o '\bextra\.[^ ]*' /proc/cmdline | sed 's/\bextra.//')"
+      prefix=extra
+      for var in $(grep -o "\b$prefix\.[^ ]*" /proc/cmdline | xargs); do
+          eval "$(echo $var | sed -E "s/$prefix\.([^=]*)=(.*)/\1='\2'/")"
+      done
 
       # 下载合并分区脚本
       cd /target
@@ -43,7 +49,7 @@ autoinstall:
 
       # 升级 cloud-init
       # curtin in-target --target=/target -- apt update
-      # curtin in-target --target=/target -- apt-get install --only-upgrade cloud-init
+      # curtin in-target --target=/target -- apt install --only-upgrade cloud-init
   user-data:
     runcmd:
       - |