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Update autoRepackRockyLinuxCloudImages.sh

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Molly Lau 2023-09-27 00:06:12 +09:00 committed by GitHub
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Linux_reinstall/RedHat/RockyLinux/autoRepackRockyLinuxCloudImages.sh
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#!/bin/bash
#
# Installing necessary components:
apt update -y
apt install axel cron kpartx mount qemu-utils xfsprogs xz-utils -y
# get valid loop device
loopDevice=$(echo $(losetup -f))
loopDeviceNum=$(echo $(losetup -f) | cut -d'/' -f 3)
linuxName="Rocky"
websiteDir="/www/wwwroot/cloud-images.a.disk.re/$linuxName"
[[ ! -d "$websiteDir" ]] && mkdir -p "$websiteDir"
for distNum in "8" "9"; do
for archType in "x86_64" "aarch64"; do
fileName="$linuxName-$distNum-GenericCloud.latest.$archType"
axel -n 16 -k -q -o /root/$fileName.qcow2 "https://download.rockylinux.org/pub/rocky/$distNum/images/$archType/$fileName.qcow2"
qemu-img convert -f qcow2 -O raw /root/$fileName.qcow2 /root/$fileName.raw
losetup $loopDevice /root/$fileName.raw
grub2EfiDirDevice=$(kpartx -av $loopDevice | grep "$loopDeviceNum" | sed -n '1p' | awk '{print $3}')
grub2DirDevice=$(kpartx -av $loopDevice | grep "$loopDeviceNum" | sed -n '2p' | awk '{print $3}')
sysDirDevice=$(kpartx -av $loopDevice | grep "$loopDeviceNum" | sort -rn | sed -n '1p' | awk '{print $3}')
mount /dev/mapper/$grub2EfiDirDevice /mnt
sed -ri 's/net.ifnames=0.*/net.ifnames=0 biosdevname=0 crashkernel=0 selinux=0 "/g' /mnt/EFI/$linuxName/grub.cfg
umount /mnt
mount /dev/mapper/$grub2DirDevice /mnt
sed -ri 's/net.ifnames=0.*/net.ifnames=0 biosdevname=0 crashkernel=0 selinux=0 "/g' /mnt/grub2/grub.cfg
umount /mnt
mount /dev/mapper/$sysDirDevice /mnt
sed -ri 's/net.ifnames=0.*/net.ifnames=0 biosdevname=0 crashkernel=0 selinux=0"/g' /mnt/etc/default/grub
umount /mnt
kpartx -dv $loopDevice
losetup -d $loopDevice
xz -z -1 -T 0 /root/$fileName.raw
mv /root/$fileName.raw.xz /root/$fileName.xz
rm -rf $websiteDir/$fileName.xz
mv /root/$fileName.xz $websiteDir/$fileName.xz
rm -rf /root/$fileName.raw
rm -rf /root/$fileName.qcow2
done
done
# write crontab task
if [[ ! `grep -i "autorepackrockylinuxcloudimages" /etc/crontab` ]]; then
sed -i '$i 0 5 1-7 * 7 root bash /root/autoRepackRockyLinuxCloudImages.sh' /etc/crontab
/etc/init.d/cron restart
fi