gh_mirrors/reinstall
1
0
Fork 0
mirror of https://github.com/bin456789/reinstall.git synced 2025-01-19 04:49:13 +08:00
Code Issues Packages Projects Releases Wiki Activity

redhat: 完善 cloud image 安装

Browse Source
This commit is contained in:
bin456789 2023-07-30 00:35:32 +08:00
parent 5244b4cd19
commit 49a0994044
No known key found for this signature in database
GPG Key ID: EE301B386DE6C11B
1 changed files with 98 additions and 43 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

141
trans.sh
View File

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