mirror of
https://github.com/bin456789/reinstall.git
synced 2025-01-18 20:39:14 +08:00
redhat: 完善 cloud image 安装
This commit is contained in:
bin456789
parent
5244b4cd19
commit
49a0994044
141
trans.sh
141
trans.sh
@ -177,6 +177,7 @@ clear_previous() {
|
||||
{
|
||||
# TODO: fuser and kill
|
||||
qemu-nbd -d /dev/nbd0
|
||||
swapoff -a
|
||||
# alpine 自带的umount没有-R，除非安装了util-linux
|
||||
umount -R /iso /wim /installer /os/installer /os /nbd /nbd-boot /nbd-efi
|
||||
umount /iso /wim /installer /os/installer /os /nbd-boot
|
||||
@ -457,6 +458,20 @@ install_cloud_image_by_dd() {
|
||||
download_cloud_init_config
|
||||
}
|
||||
|
||||
create_swap() {
|
||||
swapfile=$1
|
||||
if ! grep $swapfile /proc/swaps; then
|
||||
apk add util-linux
|
||||
ram_size=$(lsmem -b 2>/dev/null | grep 'Total online memory:' | awk '{ print $NF/1024/1024 }')
|
||||
if [ -z $ram_size ] || [ $ram_size -lt 1024 ]; then
|
||||
fallocate -l 512M $swapfile
|
||||
chmod 0600 $swapfile
|
||||
mkswap $swapfile
|
||||
swapon $swapfile
|
||||
fi
|
||||
fi
|
||||
}
|
||||
|
||||
install_cloud_image() {
|
||||
apk add qemu-img lsblk
|
||||
|
||||
@ -467,15 +482,23 @@ install_cloud_image() {
|
||||
|
||||
# centos/alma/rocky cloud image系统分区是8~9g xfs，而我们的目标是能在5g硬盘上运行，因此改成复制系统文件
|
||||
if [ "$distro" = "centos" ] || [ "$distro" = "alma" ] || [ "$distro" = "rocky" ]; then
|
||||
yum() {
|
||||
if [ "$releasever" = 7 ]; then
|
||||
chroot /os/ yum -y --disablerepo=* --enablerepo=base,updates "$@"
|
||||
else
|
||||
chroot /os/ dnf -y --disablerepo=* --enablerepo=baseos --setopt=install_weak_deps=False "$@"
|
||||
fi
|
||||
}
|
||||
|
||||
modprobe nbd
|
||||
qemu-nbd -c /dev/nbd0 $qcow_file
|
||||
sleep 5
|
||||
|
||||
os_part=$(lsblk /dev/nbd0p*[0-9] --sort SIZE -o NAME,FSTYPE | grep xfs | tail -1 | cut -d' ' -f1)
|
||||
efi_part=$(lsblk /dev/nbd0p*[0-9] --sort SIZE -o NAME,FSTYPE | grep fat | tail -1 | cut -d' ' -f1)
|
||||
boot_part=$(lsblk /dev/nbd0p*[0-9] --sort SIZE -o NAME,FSTYPE | grep xfs | sed '$d' | tail -1 | cut -d' ' -f1)
|
||||
os_part_uuid=$(lsblk /dev/nbd0p*[0-9] --sort SIZE -o UUID,FSTYPE | grep xfs | tail -1 | cut -d' ' -f1)
|
||||
efi_part_uuid=$(lsblk /dev/nbd0p*[0-9] --sort SIZE -o UUID,FSTYPE | grep fat | tail -1 | cut -d' ' -f1)
|
||||
os_part=$(lsblk /dev/nbd0p*[0-9] --sort SIZE -no NAME,FSTYPE | grep xfs | tail -1 | cut -d' ' -f1)
|
||||
efi_part=$(lsblk /dev/nbd0p*[0-9] --sort SIZE -no NAME,FSTYPE | grep fat | tail -1 | cut -d' ' -f1)
|
||||
boot_part=$(lsblk /dev/nbd0p*[0-9] --sort SIZE -no NAME,FSTYPE | grep xfs | sed '$d' | tail -1 | cut -d' ' -f1)
|
||||
os_part_uuid=$(lsblk /dev/nbd0p*[0-9] --sort SIZE -no UUID,FSTYPE | grep xfs | tail -1 | cut -d' ' -f1)
|
||||
efi_part_uuid=$(lsblk /dev/nbd0p*[0-9] --sort SIZE -no UUID,FSTYPE | grep fat | tail -1 | cut -d' ' -f1)
|
||||
|
||||
mkdir -p /nbd /nbd-boot /nbd-efi /os
|
||||
|
||||
@ -483,47 +506,55 @@ install_cloud_image() {
|
||||
# centos8 如果用alpine格式化xfs，grub2-mkconfig和grub2里面都无法识别xfs分区
|
||||
mount -o nouuid /dev/$os_part /nbd/
|
||||
mount_pseudo_fs /nbd/
|
||||
|
||||
if is_efi; then
|
||||
apk add mtools
|
||||
chroot /nbd mkfs.fat -n efi /dev/$xda*1
|
||||
mlabel -N "$(echo $efi_part_uuid | sed 's/-//')" -i /dev/$xda*1
|
||||
fi
|
||||
chroot /nbd mkfs.xfs -f -L os -m uuid=$os_part_uuid /dev/$xda*2
|
||||
umount -R /nbd/
|
||||
|
||||
# 复制系统
|
||||
echo copying os partition
|
||||
echo Copying os partition
|
||||
mount -o ro,nouuid /dev/$os_part /nbd/
|
||||
mount -o noatime /dev/disk/by-label/os /os/
|
||||
cp -a /nbd/* /os/
|
||||
|
||||
# 复制boot分区，如果有
|
||||
if [ -n "$boot_part" ]; then
|
||||
echo copying boot partition
|
||||
echo Copying boot partition
|
||||
mount -o ro,nouuid /dev/$boot_part /nbd-boot/
|
||||
cp -a /nbd-boot/* /os/boot/
|
||||
fi
|
||||
|
||||
# 挂载 efi
|
||||
# efi 分区
|
||||
if is_efi; then
|
||||
# 挂载 efi
|
||||
mkdir -p /os/boot/efi/
|
||||
efi_mount_opts="defaults,uid=0,gid=0,umask=077,shortname=winnt"
|
||||
mount -o $efi_mount_opts /dev/disk/by-label/efi /os/boot/efi/
|
||||
|
||||
# 复制efi分区，如果有
|
||||
# 如果镜像有 efi 分区
|
||||
if [ -n "$efi_part" ]; then
|
||||
echo copying efi partition
|
||||
# 复制文件
|
||||
echo Copying efi partition
|
||||
mount -o ro /dev/$efi_part /nbd-efi/
|
||||
cp -a /nbd-efi/* /os/boot/efi/
|
||||
|
||||
# 复制其uuid
|
||||
apk add mtools
|
||||
mlabel -N "$(echo $efi_part_uuid | sed 's/-//')" -i /dev/$xda*1
|
||||
else
|
||||
efi_part_uuid=$(lsblk /dev/$xda*1 -no UUID)
|
||||
fi
|
||||
fi
|
||||
|
||||
# 挂载伪文件系统
|
||||
mount_pseudo_fs /os/
|
||||
|
||||
# 取消挂载 nbd
|
||||
umount /nbd/ /nbd-boot/ /nbd-efi/ || true
|
||||
qemu-nbd -d /dev/nbd0
|
||||
sleep 5
|
||||
umount /installer/
|
||||
parted /dev/$xda -s rm 3
|
||||
|
||||
# 创建 swap
|
||||
rm -rf /installer/*
|
||||
create_swap /installer/swapfile
|
||||
|
||||
# resolv.conf
|
||||
mv /os/etc/resolv.conf /os/etc/resolv.conf.orig
|
||||
@ -535,10 +566,9 @@ install_cloud_image() {
|
||||
|
||||
# fstab 添加 efi 分区
|
||||
if is_efi; then
|
||||
# 创建efi条目
|
||||
# centos 要创建efi条目
|
||||
if ! grep /boot/efi /os/etc/fstab; then
|
||||
efi_uuid=$(lsblk /dev/disk/by-label/efi -n -o UUID)
|
||||
echo "UUID=$efi_uuid /boot/efi vfat $efi_mount_opts 0 0" >>/os/etc/fstab
|
||||
echo "UUID=$efi_part_uuid /boot/efi vfat $efi_mount_opts 0 0" >>/os/etc/fstab
|
||||
fi
|
||||
else
|
||||
# 删除 efi 条目
|
||||
@ -554,26 +584,35 @@ install_cloud_image() {
|
||||
sed -i 's/^SELINUX=enforcing/SELINUX=disabled/g' /os/etc/selinux/config
|
||||
fi
|
||||
|
||||
# chroot前，挂载伪文件系统
|
||||
mount_pseudo_fs /os/
|
||||
distro_full=$(awk -F: '{ print $3 }' </os/etc/system-release-cpe)
|
||||
releasever=$(awk -F: '{ print $5 }' </os/etc/system-release-cpe)
|
||||
|
||||
# 安装 grub
|
||||
if is_efi; then
|
||||
if [ -z "$efi_part" ]; then
|
||||
[ "$(uname -m)" = x86_64 ] && arch=x64 || arch=aa64
|
||||
chroot /os/ yum list installed | grep shim-$arch ||
|
||||
chroot /os/ yum install -y shim-$arch grub2-efi-$arch grub2-efi-$arch-modules
|
||||
# TODO: 修改centos
|
||||
cat <<EOF >/os/boot/efi/EFI/centos/grub.cfg
|
||||
search --no-floppy --fs-uuid --set=dev $efi_part_uuid
|
||||
set prefix=(\$dev)/boot/grub2
|
||||
export \$prefix
|
||||
configfile \$prefix/grub.cfg
|
||||
EOF
|
||||
fi
|
||||
else
|
||||
chroot /os/ yum list installed | grep grub2-pc ||
|
||||
chroot /os/ yum install -y grub2-pc
|
||||
remove_grub_conflict_files() {
|
||||
# bios 和 efi 转换前先删除
|
||||
|
||||
# bios转efi出错
|
||||
# centos7是bios镜像，/boot/grub2/grubenv 是真身
|
||||
# 安装grub-efi时，grubenv 会改成指向efi分区grubenv软连接
|
||||
# 如果安装grub-efi前没有删除原来的grubenv，原来的grubenv将不变，新建的软连接将变成 grubenv.rpmnew
|
||||
# 后续grubenv的改动无法同步到efi分区，会造成grub2-setdefault失效
|
||||
|
||||
# efi转bios出错
|
||||
# 如果是指向efi目录的软连接（例如el8），先删除它，否则 grub2-install 会报错
|
||||
rm -rf /os/boot/grub2/grubenv /os/boot/grub2/grub.cfg
|
||||
}
|
||||
|
||||
# 安装 efi 引导
|
||||
# 只有centos镜像没有efi，其他系统镜像已经从efi分区复制了文件
|
||||
if [ "$distro" = "centos" ] && is_efi; then
|
||||
remove_grub_conflict_files
|
||||
[ "$(uname -m)" = x86_64 ] && arch=x64 || arch=aa64
|
||||
yum install efibootmgr grub2-efi-$arch grub2-efi-$arch-modules shim-$arch
|
||||
fi
|
||||
|
||||
# 安装 bios 引导
|
||||
if ! is_efi; then
|
||||
remove_grub_conflict_files
|
||||
yum install grub2-pc grub2-pc-modules
|
||||
chroot /os/ grub2-install /dev/$xda
|
||||
fi
|
||||
|
||||
@ -584,9 +623,20 @@ EOF
|
||||
sed -i -E 's,((linux|initrd) /),\1boot/,g' /os/boot/loader/entries/*.conf
|
||||
fi
|
||||
|
||||
# grub.cfg
|
||||
if grep centos:7 /os/etc/os-release && is_efi; then
|
||||
chroot /os/ grub2-mkconfig -o /boot/efi/EFI/centos/grub.cfg
|
||||
# efi 分区 grub.cfg
|
||||
# https://github.com/rhinstaller/anaconda/blob/346b932a26a19b339e9073c049b08bdef7f166c3/pyanaconda/modules/storage/bootloader/efi.py#L198
|
||||
if is_efi && [ "$releasever" -ge 9 ]; then
|
||||
cat <<EOF >/os/boot/efi/EFI/$distro_full/grub.cfg
|
||||
search --no-floppy --fs-uuid --set=dev $os_part_uuid
|
||||
set prefix=(\$dev)/boot/grub2
|
||||
export \$prefix
|
||||
configfile \$prefix/grub.cfg
|
||||
EOF
|
||||
fi
|
||||
|
||||
# 主 grub.cfg
|
||||
if is_efi && [ "$releasever" -le 8 ]; then
|
||||
chroot /os/ grub2-mkconfig -o /boot/efi/EFI/$distro_full/grub.cfg
|
||||
else
|
||||
chroot /os/ grub2-mkconfig -o /boot/grub2/grub.cfg
|
||||
fi
|
||||
@ -597,6 +647,11 @@ EOF
|
||||
# 还原 resolv.conf
|
||||
mv /os/etc/resolv.conf.orig /os/etc/resolv.conf
|
||||
|
||||
# 删除installer分区，重启后cloud init会自动扩容
|
||||
swapoff -a
|
||||
umount /installer
|
||||
parted /dev/$xda -s rm 3
|
||||
|
||||
else
|
||||
# debian ubuntu arch
|
||||
if true; then
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user