mirror of
https://github.com/bin456789/reinstall.git
synced 2025-01-18 20:39:14 +08:00
61 lines
1.6 KiB
Bash
61 lines
1.6 KiB
Bash
#!/bin/bash
|
||
PATH="/usr/sbin:/usr/bin"
|
||
|
||
update_part() {
|
||
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
|
||
|
||
# 删除分区用
|
||
# el/ubuntu fdisk
|
||
|
||
# 扩容分区用
|
||
# el7 grownparted 额外安装
|
||
# el8/9/fedora parted
|
||
# ubuntu grownpart
|
||
|
||
# 找出主硬盘
|
||
xda=$(lsblk -dn -o NAME | grep -E 'nvme0n1|.da')
|
||
|
||
# 删除 installer 分区
|
||
installer_num=$(readlink -f /dev/disk/by-label/installer | grep -o '[0-9]*$')
|
||
if [ -n "$installer_num" ]; then
|
||
# 要添加 LC_NUMERIC 或者将%转义成\%才能在cron里正确运行
|
||
# locale -a 不一定有"en_US.UTF-8"，但肯定有"C.UTF-8"
|
||
LC_NUMERIC="C.UTF-8"
|
||
printf "d\n%s\nw" "$installer_num" | fdisk /dev/$xda
|
||
update_part /dev/$xda
|
||
fi
|
||
|
||
# 找出现在的最后一个分区，也就是系统分区
|
||
# el7 的 lsblk 没有 --sort，所以用其他方法
|
||
# shellcheck disable=2012
|
||
part_num=$(ls -1v /dev/$xda* | tail -1 | grep -o '[0-9]*$')
|
||
part_fstype=$(lsblk -no FSTYPE /dev/$xda$part_num)
|
||
|
||
# 扩容分区
|
||
# ubuntu 和 el7 用 growpart，其他用 parted
|
||
# el7 不能用parted在线扩容，而fdisk扩容会改变 PARTUUID，所以用 growpart
|
||
if grep -E -i 'centos:7|ubuntu' /etc/os-release; then
|
||
growpart /dev/$xda $part_num
|
||
else
|
||
printf 'yes\n100%%' | parted /dev/$xda resizepart $part_num ---pretend-input-tty
|
||
fi
|
||
update_part /dev/$xda
|
||
|
||
# 扩容最后一个分区的文件系统
|
||
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
|