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redhat: centos9 cloud image 从 dd 改成复制系统文件
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bin456789
parent
ba456c65eb
commit
900d143f92
171
trans.sh
171
trans.sh
@ -175,7 +175,9 @@ clear_previous() {
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{
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# TODO: fuser and kill
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qemu-nbd -d /dev/nbd0
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umount /iso /wim /installer /os/installer /os
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# alpine 自带的umount没有-R，除非安装了util-linux
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umount -R /iso /wim /installer /os/installer /os /nbd
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umount /iso /wim /installer /os/installer /os /nbd
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} 2>/dev/null || true
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}
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@ -302,6 +304,21 @@ create_part() {
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mkfs.ext4 -F -L os /dev/$xda*1 #1 os
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mkfs.ntfs -f -F -L installer /dev/$xda*2 #2 installer
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fi
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elif is_use_cloud_image && [ "$distro" = centos ]; then
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apk add dosfstools xfsprogs e2fsprogs
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parted /dev/$xda -s -- \
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mklabel gpt \
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mkpart '" "' ext4 1MiB 2MiB \
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mkpart '" "' fat32 2MiB 602MiB \
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mkpart '" "' xfs 602MiB -2GiB \
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mkpart '" "' ext4 -2GiB 100% \
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set 1 bios_grub on \
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set 2 esp on
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update_part /dev/$xda
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echo #1 bios_boot
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mkfs.fat -F 32 -n efi /dev/$xda*2 #2 efi
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mkfs.xfs -f -L os /dev/$xda*3 #3 os
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mkfs.ext4 -F -L installer /dev/$xda*4 #4 installer
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elif is_use_cloud_image; then
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parted /dev/$xda -s -- \
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mklabel gpt \
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@ -361,55 +378,129 @@ install_cloud_image() {
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mount /dev/disk/by-label/installer /installer
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qcow_file=/installer/cloud_image.qcow2
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download $img $qcow_file
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# qcow_virtualx_size=$(qemu-img info $qcow_file | grep 'virtual size' | grep -oE '[0-9]+' | tail -1)
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# TODO: centos dd 需要 8g 空间，改成手动释放文件
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if true; then
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# qcow_virtual_size=$(qemu-img info $qcow_file | grep 'virtual size' | grep -oE '[0-9]+' | tail -1)
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# centos cloud image 需要 8g 系统分区，因此改成复制系统文件
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if [ "$distro" = "centos" ]; then
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modprobe nbd
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qemu-nbd -c /dev/nbd0 $qcow_file
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# 将前1M dd到内存
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dd if=/dev/nbd0 of=/first-1M bs=1M count=1
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# 挂载os和efi
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mkdir -p /nbd /os
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sleep 5
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mount -o ro /dev/nbd0p1 /nbd
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mount -o noatime /dev/disk/by-label/os /os/
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if is_efi; then
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mkdir -p /os/boot/efi/
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efi_mount_opts="defaults,uid=0,gid=0,umask=077,shortname=winnt"
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mount -o $efi_mount_opts /dev/disk/by-label/efi /os/boot/efi/
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fi
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# 将1M之后 dd到硬盘
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# shellcheck disable=SC2194
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case 3 in
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1)
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# BusyBox dd
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dd if=/dev/nbd0 of=/dev/$xda bs=1M skip=1 seek=1
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;;
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2)
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# 用原版 dd status=progress，但没有进度和剩余时间
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apk add coreutils
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dd if=/dev/nbd0 of=/dev/$xda bs=1M skip=1 seek=1 status=progress
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;;
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3)
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# 用 pv
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apk add pv
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pv -f /dev/nbd0 | dd of=/dev/$xda bs=1M skip=1 seek=1 iflag=fullblock
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;;
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esac
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# 复制系统
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echo copying os files
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cp -a /nbd/* /os/
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# resolv.conf
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mv /os/etc/resolv.conf /os/etc/resolv.conf.orig
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cp /etc/resolv.conf /os/etc/resolv.conf
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# fstab 系统分区
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old_uuid=$(awk '$2=="/" { print $1 }' /os/etc/fstab | cut -d= -f2)
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new_uuid=$(lsblk /dev/disk/by-label/os -n -o UUID)
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sed -i "s/$old_uuid/$new_uuid/g" /os/etc/fstab
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# fstab efi 分区
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if is_efi; then
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efi_uuid=$(lsblk /dev/disk/by-label/efi -n -o UUID)
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echo "UUID=$efi_uuid /boot/efi vfat $efi_mount_opts 0 0" >>/os/etc/fstab
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fi
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# chroot前，挂载伪文件系统
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# https://wiki.archlinux.org/title/Chroot#Using_chroot
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mount -t proc /proc /os/proc/
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mount -t sysfs /sys /os/sys/
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mount --rbind /dev /os/dev/
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mount --rbind /run /os/run/
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if is_efi; then
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mount --rbind /sys/firmware/efi/efivars /os/sys/firmware/efi/efivars/
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fi
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# grub
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if is_efi; then
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[ "$(uname -m)" = x86_64 ] && arch=x64 || arch=aa64
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chroot /os/ dnf install -y shim-$arch grub2-efi-$arch
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cat <<EOF >/os/boot/efi/EFI/centos/grub.cfg
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search --no-floppy --fs-uuid --set=dev $new_uuid
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set prefix=(\$dev)/boot/grub2
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export \$prefix
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configfile \$prefix/grub.cfg
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EOF
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else
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chroot /os/ grub2-install /dev/$xda
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fi
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chroot /os/ grub2-mkconfig -o /boot/grub2/grub.cfg
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# cloud-init
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download $confhome/nocloud.yaml /os/etc/cloud/cloud.cfg.d/99_nocloud.cfg
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# 还原 resolv.conf
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mv /os/etc/resolv.conf.orig /os/etc/resolv.conf
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# selinux
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touch /os/.autorelabel
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umount /nbd/
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qemu-nbd -d /dev/nbd0
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umount /installer/
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parted /dev/$xda -s rm 4
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else
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# 将前1M dd到内存，将1M之后 dd到硬盘
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qemu-img dd if=$qcow_file of=/first-1M bs=1M count=1
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qemu-img dd if=$qcow_file of=/dev/disk/by-label/os bs=1M skip=1
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fi
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if true; then
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modprobe nbd
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qemu-nbd -c /dev/nbd0 $qcow_file
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# 将前1M从内存 dd 到硬盘
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umount /installer/
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dd if=/first-1M of=/dev/$xda
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update_part /dev/$xda
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# 将前1M dd到内存
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dd if=/dev/nbd0 of=/first-1M bs=1M count=1
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# 找到系统分区，也就是最大的分区
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os_part=$(lsblk /dev/sda*[0-9] --sort SIZE -o NAME | tail -1)
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mkdir -p /os
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mount /dev/$os_part /os
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if [ "$distro" = fedora ]; then
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subvol=/root
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# 将1M之后 dd到硬盘
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# shellcheck disable=SC2194
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case 3 in
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1)
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# BusyBox dd
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dd if=/dev/nbd0 of=/dev/$xda bs=1M skip=1 seek=1
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;;
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2)
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# 用原版 dd status=progress，但没有进度和剩余时间
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apk add coreutils
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dd if=/dev/nbd0 of=/dev/$xda bs=1M skip=1 seek=1 status=progress
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;;
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3)
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# 用 pv
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apk add pv
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pv -f /dev/nbd0 | dd of=/dev/$xda bs=1M skip=1 seek=1 iflag=fullblock
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;;
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esac
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qemu-nbd -d /dev/nbd0
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else
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# 将前1M dd到内存，将1M之后 dd到硬盘
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qemu-img dd if=$qcow_file of=/first-1M bs=1M count=1
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qemu-img dd if=$qcow_file of=/dev/disk/by-label/os bs=1M skip=1
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fi
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# 将前1M从内存 dd 到硬盘
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umount /installer/
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dd if=/first-1M of=/dev/$xda
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update_part /dev/$xda
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# 找到系统分区，也就是最大的分区
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os_part=$(lsblk /dev/sda*[0-9] --sort SIZE -o NAME | tail -1)
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mkdir -p /os
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mount /dev/$os_part /os
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if [ "$distro" = fedora ]; then
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subvol=/root
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fi
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# shellcheck disable=SC2154
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download $confhome/nocloud.yaml /os$subvol/etc/cloud/cloud.cfg.d/99_nocloud.cfg
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fi
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# shellcheck disable=SC2154
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download $confhome/nocloud.yaml /os$subvol/etc/cloud/cloud.cfg.d/99_nocloud.cfg
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}
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mount_part() {
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