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core: 重构

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bin456789 2023-09-16 20:00:05 +08:00
parent 7dd4f5040e
commit 383f31ec26
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2 changed files with 130 additions and 93 deletions
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71
reinstall.sh
View File

@ -1,10 +1,20 @@
#!/bin/bash
# shellcheck disable=SC2086
set -eE
confhome=https://raw.githubusercontent.com/bin456789/reinstall/main
localtest_confhome=http://192.168.253.1
trap 'error line $LINENO return $?' ERR
this_script=$(realpath $0)
this_script=$(realpath "$0")
trap 'trap_err $LINENO $?' ERR
trap_err() {
line_no=$1
ret_no=$2
error "Line $line_no return $ret_no"
sed -n "$line_no"p "$this_script"
}
usage_and_exit() {
cat <<EOF
@ -24,20 +34,23 @@ EOF
}
info() {
color='\e[32m'
plain='\e[0m'
upper=$(echo "$@" | tr '[:lower:]' '[:upper:]')
echo -e "$color***** $upper *****$plain"
upper=$(echo "$*" | tr '[:lower:]' '[:upper:]')
echo_color_text '\e[32m' "***** $upper *****"
}
warn() {
echo_color_text '\e[33m' "Warn: $*"
}
error() {
color='\e[31m'
plain='\e[0m'
echo -e "${color}Error: $*${plain}"
# 如果从trap调用，显示错误行
if [ "$1" = line ]; then
sed -n "$2"p $this_script
fi
echo_color_text '\e[31m' "Error: $*"
}
echo_color_text() {
color="$1"
shift
plain="\e[0m"
echo -e "$color$*$plain"
}
error_and_exit() {
@ -68,10 +81,6 @@ is_in_alpine() {
[ -f /etc/alpine-release ]
}
is_in_arch() {
[ -f /etc/arch-release ]
}
is_use_cloud_image() {
[ -n "$cloud_image" ] && [ "$cloud_image" = 1 ]
}
@ -116,6 +125,21 @@ get_host_by_url() {
cut -d/ -f3 <<<$1
}
insert_into_file() {
file=$1
location=$2
regex_to_find=$3
line_num=$(grep -E -n "$regex_to_find" "$file" | cut -d: -f1)
if [ "$location" = before ]; then
line_num=$((line_num - 1))
elif ! [ "$location" = after ]; then
return 1
fi
sed -i "${line_num}r /dev/stdin" "$file"
}
test_url() {
url=$1
expect_type=$2
@ -991,8 +1015,7 @@ mod_alpine_initrd() {
fi
# hack 1 添加 ipv6 模块
line_num=$(grep -E -n 'configure_ip\(\)' init | cut -d: -f1)
cat <<EOF | sed -i "${line_num}r /dev/stdin" init
insert_into_file init after 'configure_ip\(\)' <<EOF
depmod
modprobe ipv6
EOF
@ -1013,8 +1036,7 @@ EOF
# udhcpc: bound
# udhcpc6: deconfig
# udhcpc6: bound
line_num=$(grep -E -n 'deconfig\|renew\|bound' usr/share/udhcpc/default.script | cut -d: -f1)
cat <<EOF | sed -i "${line_num}r /dev/stdin" usr/share/udhcpc/default.script
insert_into_file usr/share/udhcpc/default.script after 'deconfig\|renew\|bound' <<EOF
if [ "\$1" = deconfig ]; then
return
fi
@ -1028,8 +1050,7 @@ EOF
# hack 4 网络配置
collect_netconf
is_in_china && is_in_china=true || is_in_china=false
line_num=$(grep -E -n 'MAC_ADDRESS=' init | cut -d: -f1)
cat <<EOF | sed -i "${line_num}r /dev/stdin" init
insert_into_file init after 'MAC_ADDRESS=' <<EOF
source /alpine-network.sh \
"$mac_addr" "$ipv4_addr" "$ipv4_gateway" "$ipv6_addr" "$ipv6_gateway" "$is_in_china"
EOF
@ -1037,15 +1058,13 @@ EOF
# hack 5 运行 trans.start
# 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=$((line_num - 1))
# 1. alpine arm initramfs 时间问题 要添加 --no-check-certificate
# 2. aws t4g arm 如果没设置console=ttyx，在initramfs里面wget https会出现bad header错误，chroot后正常
# Connecting to raw.githubusercontent.com (185.199.108.133:443)
# 60C0BB2FFAFF0000:error:0A00009C:SSL routines:ssl3_get_record:http request:ssl/record/ssl3_record.c:345:
# ssl_client: SSL_connect
# wget: bad header line: <20>
cat <<EOF | sed -i "${line_num}r /dev/stdin" init
insert_into_file init before '^exec (/bin/busybox )?switch_root' <<EOF
# echo "wget --no-check-certificate -O- $confhome/trans.sh | /bin/ash" >\$sysroot/etc/local.d/trans.start
# wget --no-check-certificate -O \$sysroot/etc/local.d/trans.start $confhome/trans.sh
cp /trans.start \$sysroot/etc/local.d/trans.start

152
trans.sh
View File

@ -1,16 +1,30 @@
#!/bin/ash
# shellcheck shell=dash
# shellcheck disable=SC3047,SC3036,SC3010,SC3001
# shellcheck disable=SC2086,SC3047,SC3036,SC3010,SC3001
# alpine 默认使用 busybox ash
# 命令出错终止运行，将进入到登录界面，防止失联
set -eE
trap 'error line $LINENO return $?' ERR
this_script=$(realpath $0)
trap 'trap_err $LINENO $?' ERR
catch() {
if [ "$1" != "0" ]; then
error "Error $1 occurred on $2"
# 复制本脚本到 /tmp/trans.sh，用于打印错误
# 也有可能从管道运行，这时删除 /tmp/trans.sh
case "$0" in
*trans.*) cp -f "$0" /tmp/trans.sh ;;
*) rm -f /tmp/trans.sh ;;
esac
# 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
trap_err() {
line_no=$1
ret_no=$2
error "Line $line_no return $ret_no"
if [ -f "/tmp/trans.sh" ]; then
sed -n "$line_no"p /tmp/trans.sh
fi
}
@ -18,10 +32,6 @@ error() {
color='\e[31m'
plain='\e[0m'
echo -e "${color}Error: $*${plain}"
# 如果从trap调用，显示错误行
if [ "$1" = line ]; then
sed -n "$2"p $this_script
fi
}
error_and_exit() {
@ -42,11 +52,6 @@ add_community_repo() {
fi
}
cp() {
# 防止 alias cp='cp -i'
command cp "$@"
}
download() {
url=$1
file=$2
@ -146,6 +151,7 @@ setup_lighttpd() {
# 所以如果有显示器且有鼠标，tty0 放最后面，否则 tty0 放前面
get_ttys() {
prefix=$1
# shellcheck disable=SC2154
wget $confhome/ttys.sh -O- | sh -s $prefix
}
@ -270,6 +276,21 @@ is_dhcpv6() {
[ "$dhcpv6" = 1 ]
}
insert_into_file() {
file=$1
location=$2
regex_to_find=$3
line_num=$(grep -E -n "$regex_to_find" "$file" | cut -d: -f1)
if [ "$location" = before ]; then
line_num=$((line_num - 1))
elif ! [ "$location" = after ]; then
return 1
fi
sed -i "${line_num}r /dev/stdin" "$file"
}
install_alpine() {
# 网络
# 坑1 udhcpc下，ip -4 addr 无法知道是否是 dhcp
@ -392,10 +413,6 @@ EOF
true >/etc/apk/repositories
setup-apkrepos -1
# 还原改动，不然本脚本会被复制到新系统
rm -f /etc/local.d/trans.start
rm -f /etc/runlevels/default/local
# 安装到硬盘
# alpine默认使用 syslinux (efi 环境除外)，这里强制使用 grub，方便用脚本再次重装
KERNELOPTS="$(get_ttys console=)"
@ -448,6 +465,7 @@ create_part() {
wipefs -a /dev/$xda
# xda*1 星号用于 nvme0n1p1 的字母 p
# shellcheck disable=SC2154
if [ "$distro" = windows ]; then
apk add ntfs-3g-progs virt-what wimlib rsync dos2unix
# 虽然ntfs3不需要fuse，但wimmount需要，所以还是要保留
@ -465,6 +483,7 @@ create_part() {
set 2 msftres on \
set 3 msftdata on
update_part /dev/$xda
mkfs.fat -n efi /dev/$xda*1 #1 efi
echo #2 msr
mkfs.ext4 -F -L os /dev/$xda*3 #3 os
@ -477,42 +496,40 @@ create_part() {
mkpart primary ntfs -6GiB 100% \
set 1 boot on
update_part /dev/$xda
mkfs.ext4 -F -L os /dev/$xda*1 #1 os
mkfs.ntfs -f -F -L installer /dev/$xda*2 #2 installer
fi
elif is_use_cloud_image && { [ "$distro" = centos ] || [ "$distro" = alma ] || [ "$distro" = rocky ]; }; then
apk add dosfstools e2fsprogs
if is_efi; then
parted /dev/$xda -s -- \
mklabel gpt \
mkpart '" "' fat32 1MiB 601MiB \
mkpart '" "' xfs 601MiB -2GiB \
mkpart '" "' ext4 -2GiB 100% \
set 1 esp on
update_part /dev/$xda
mkfs.fat -n efi /dev/$xda*1 #1 efi
echo #2 os 用目标系统的格式化工具
mkfs.ext4 -F -L installer /dev/$xda*3 #3 installer
else
parted /dev/$xda -s -- \
mklabel gpt \
mkpart '" "' ext4 1MiB 2MiB \
mkpart '" "' xfs 2MiB -2GiB \
mkpart '" "' ext4 -2GiB 100% \
set 1 bios_grub on
update_part /dev/$xda
echo #1 bios_boot
echo #2 os 用目标系统的格式化工具
mkfs.ext4 -F -L installer /dev/$xda*3 #3 installer
fi
elif is_use_cloud_image; then
parted /dev/$xda -s -- \
mklabel gpt \
mkpart '" "' ext4 1MiB -2GiB \
mkpart '" "' ext4 -2GiB 100%
update_part /dev/$xda
mkfs.ext4 -F -L os /dev/$xda*1 #1 os
mkfs.ext4 -F -L installer /dev/$xda*2 #2 installer
# 这几个系统不使用dd，而是复制文件，因为dd这几个系统的qcow2需要10g硬盘
if { [ "$distro" = centos ] || [ "$distro" = alma ] || [ "$distro" = rocky ]; }; then
apk add dosfstools e2fsprogs
if is_efi; then
parted /dev/$xda -s -- \
mklabel gpt \
mkpart '" "' fat32 1MiB 601MiB \
mkpart '" "' xfs 601MiB -2GiB \
mkpart '" "' ext4 -2GiB 100% \
set 1 esp on
update_part /dev/$xda
mkfs.fat -n efi /dev/$xda*1 #1 efi
echo #2 os 用目标系统的格式化工具
mkfs.ext4 -F -L installer /dev/$xda*3 #3 installer
else
parted /dev/$xda -s -- \
mklabel gpt \
mkpart '" "' ext4 1MiB 2MiB \
mkpart '" "' xfs 2MiB -2GiB \
mkpart '" "' ext4 -2GiB 100% \
set 1 bios_grub on
update_part /dev/$xda
echo #1 bios_boot
echo #2 os 用目标系统的格式化工具
mkfs.ext4 -F -L installer /dev/$xda*3 #3 installer
fi
fi
else
# 安装红帽系或ubuntu
# 对于红帽系是临时分区表，安装时除了 installer 分区，其他分区会重建为默认的大小
@ -528,6 +545,7 @@ create_part() {
mkpart '" "' ext4 -2GiB 100% \
set 1 boot on
update_part /dev/$xda
mkfs.fat -n efi /dev/$xda*1 #1 efi
mkfs.ext4 -F -L os /dev/$xda*2 #2 os
mkfs.fat -n installer /dev/$xda*3 #3 installer
@ -540,6 +558,7 @@ create_part() {
mkpart '" "' ext4 -2GiB 100% \
set 1 bios_grub on
update_part /dev/$xda
echo #1 bios_boot
mkfs.ext4 -F -L os /dev/$xda*2 #2 os
mkfs.fat -n installer /dev/$xda*3 #3 installer
@ -551,6 +570,7 @@ create_part() {
mkpart primary ext4 -2GiB 100% \
set 1 boot on
update_part /dev/$xda
mkfs.ext4 -F -L os /dev/$xda*1 #1 os
mkfs.fat -n installer /dev/$xda*2 #2 installer
fi
@ -571,17 +591,13 @@ create_part() {
mount_pseudo_fs() {
os_dir=$1
if [[ "$os_dir" != "*/" ]]; then
os_dir=$os_dir/
fi
# https://wiki.archlinux.org/title/Chroot#Using_chroot
mount -t proc /proc ${os_dir}proc/
mount -t sysfs /sys ${os_dir}sys/
mount --rbind /dev ${os_dir}dev/
mount --rbind /run ${os_dir}run/
mount -t proc /proc $os_dir/proc/
mount -t sysfs /sys $os_dir/sys/
mount --rbind /dev $os_dir/dev/
mount --rbind /run $os_dir/run/
if is_efi; then
mount --rbind /sys/firmware/efi/efivars ${os_dir}sys/firmware/efi/efivars/
mount --rbind /sys/firmware/efi/efivars $os_dir/sys/firmware/efi/efivars/
fi
}
@ -668,8 +684,7 @@ download_cloud_init_config() {
if ! grep -w swap $os_dir/etc/fstab; then
# btrfs
if mount | grep 'on /os type btrfs'; then
line_num=$(grep -E -n '^runcmd:' $ci_file | cut -d: -f1)
cat <<EOF | sed -i "${line_num}r /dev/stdin" $ci_file
insert_into_file $ci_file after '^runcmd:' <<EOF
- btrfs filesystem mkswapfile --size 1G /swapfile
- swapon /swapfile
- echo "/swapfile none swap defaults 0 0" >> /etc/fstab
@ -719,11 +734,15 @@ modify_dd_os() {
download_cloud_init_config $os_dir
# 为红帽系禁用 selinux kdump
if [ -f $os_dir/etc/redhat-release ]; then
find_and_mount /boot
find_and_mount /boot/efi
disable_selinux_kdump $os_dir
elif grep opensuse-tumbleweed $os_dir/etc/os-release; then
fi
# opensuse tumbleweed 需安装 wicked
if grep opensuse-tumbleweed $os_dir/etc/os-release; then
cp -f /etc/resolv.conf $os_dir/etc/resolv.conf
mount_pseudo_fs $os_dir
chroot $os_dir zypper install -y wicked
@ -1007,7 +1026,7 @@ EOF
fi
# 显示分区
lsblk /dev/nbd0
lsblk -o NAME,SIZE,FSTYPE,LABEL /dev/nbd0
# 将前1M dd到内存
dd if=/dev/nbd0 of=/first-1M bs=1M count=1
@ -1244,10 +1263,9 @@ install_windows() {
sed -i "s|%arch%|$arch|; s|%image_name%|$image_name|; s|%locale%|$locale|" /tmp/Autounattend.xml
# 修改应答文件，分区配置
line_num=$(grep -E -n '<ModifyPartitions>' /tmp/Autounattend.xml | cut -d: -f1)
if is_efi; then
sed -i "s|%installto_partitionid%|3|" /tmp/Autounattend.xml
cat <<EOF | sed -i "${line_num}r /dev/stdin" /tmp/Autounattend.xml
insert_into_file /tmp/Autounattend.xml after '<ModifyPartitions>' <<EOF
<ModifyPartition wcm:action="add">
<Order>1</Order>
<PartitionID>1</PartitionID>
@ -1265,7 +1283,7 @@ install_windows() {
EOF
else
sed -i "s|%installto_partitionid%|1|" /tmp/Autounattend.xml
cat <<EOF | sed -i "${line_num}r /dev/stdin" /tmp/Autounattend.xml
insert_into_file /tmp/Autounattend.xml after '<ModifyPartitions>' <<EOF
<ModifyPartition wcm:action="add">
<Order>1</Order>
<PartitionID>1</PartitionID>