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Update autoRepackAlmaLinuxCloudImages.sh

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Molly Lau 2023-10-12 17:25:54 +09:00 committed by GitHub
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1 changed files with 30 additions and 30 deletions
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Linux_reinstall/RedHat/AlmaLinux/autoRepackAlmaLinuxCloudImages.sh
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@ -11,39 +11,39 @@ websiteDir="/www/wwwroot/cloud-images.a.disk.re/$linuxName"
[[ ! -d "$websiteDir" ]] && mkdir -p "$websiteDir" [[ ! -d "$websiteDir" ]] && mkdir -p "$websiteDir"
for distNum in "9"; do for distNum in "9"; do
for archType in "x86_64" "aarch64"; do for archType in "x86_64" "aarch64"; do
fileName="$linuxName-$distNum-GenericCloud-latest.$archType" fileName="$linuxName-$distNum-GenericCloud-latest.$archType"
# Replace "wget" to "axel" because axel supports multithreading and improve speed of downloading. # Replace "wget" to "axel" because axel supports multithreading and improve speed of downloading.
axel -n 16 -k -q -o /root/$fileName.qcow2 "https://repo.almalinux.org/almalinux/$distNum/cloud/$archType/images/$fileName.qcow2" axel -n 16 -k -q -o /root/$fileName.qcow2 "https://repo.almalinux.org/almalinux/$distNum/cloud/$archType/images/$fileName.qcow2"
qemu-img convert -f qcow2 -O raw /root/$fileName.qcow2 /root/$fileName.raw qemu-img convert -f qcow2 -O raw /root/$fileName.qcow2 /root/$fileName.raw
losetup $loopDevice /root/$fileName.raw losetup $loopDevice /root/$fileName.raw
# Add some parameters for kernel aims to "redirect name of network adapters", "disable kdump", "disable selinux". # Add some parameters for kernel aims to "redirect name of network adapters", "disable kdump", "disable selinux".
grub2DirDevice=$(kpartx -av $loopDevice | grep "$loopDeviceNum" | sort -rn | sed -n '2p' | awk '{print $3}') grub2DirDevice=$(kpartx -av $loopDevice | grep "$loopDeviceNum" | sort -rn | sed -n '2p' | awk '{print $3}')
sysDirDevice=$(kpartx -av $loopDevice | grep "$loopDeviceNum" | sort -rn | sed -n '1p' | awk '{print $3}') sysDirDevice=$(kpartx -av $loopDevice | grep "$loopDeviceNum" | sort -rn | sed -n '1p' | awk '{print $3}')
mount /dev/mapper/$grub2DirDevice /mnt mount /dev/mapper/$grub2DirDevice /mnt
sed -ri 's/biosdevname=0.*/net.ifnames=0 biosdevname=0 crashkernel=0 selinux=0 "/g' /mnt/grub2/grub.cfg sed -ri 's/biosdevname=0.*/net.ifnames=0 biosdevname=0 crashkernel=0 selinux=0 "/g' /mnt/grub2/grub.cfg
umount /mnt umount /mnt
mount /dev/mapper/$sysDirDevice /mnt mount /dev/mapper/$sysDirDevice /mnt
sed -ri 's/biosdevname=0.*/net.ifnames=0 biosdevname=0 crashkernel=0 selinux=0"/g' /mnt/etc/default/grub sed -ri 's/biosdevname=0.*/net.ifnames=0 biosdevname=0 crashkernel=0 selinux=0"/g' /mnt/etc/default/grub
umount /mnt umount /mnt
kpartx -dv $loopDevice kpartx -dv $loopDevice
losetup -d $loopDevice losetup -d $loopDevice
# Transfer file format from ".raw" to ".xz" because xz can skip sparse files of cloud images and has a very light size aims to reduce I/O of network expenses. # Transfer file format from ".raw" to ".xz" because xz can skip sparse files of cloud images and has a very light size aims to reduce I/O of network expenses.
xz -z -1 -T 0 /root/$fileName.raw xz -z -1 -T 0 /root/$fileName.raw
mv /root/$fileName.raw.xz /root/$fileName.xz mv /root/$fileName.raw.xz /root/$fileName.xz
rm -rf $websiteDir/$fileName.xz rm -rf $websiteDir/$fileName.xz
mv /root/$fileName.xz $websiteDir/$fileName.xz mv /root/$fileName.xz $websiteDir/$fileName.xz
rm -rf /root/$fileName.raw rm -rf /root/$fileName.raw
rm -rf /root/$fileName.qcow2 rm -rf /root/$fileName.qcow2
done done
done done
# write crontab task # write crontab task
# Crontab simulator: https://crontab.guru/ # Crontab simulator: https://crontab.guru/
# Schedule cronjob for the certain day in a week: https://blog.healthchecks.io/2022/09/schedule-cron-job-the-funky-way/ # Schedule cronjob for the certain day in a week: https://blog.healthchecks.io/2022/09/schedule-cron-job-the-funky-way/
if [[ ! `grep -i "autorepackalmalinuxcloudimages" /etc/crontab` ]]; then if [[ ! $(grep -i "autorepackalmalinuxcloudimages" /etc/crontab) ]]; then
sed -i '$i 0 7 */100,1-7 * SUN root bash /root/autoRepackAlmaLinuxCloudImages.sh' /etc/crontab sed -i '$i 0 7 */100,1-7 * SUN root bash /root/autoRepackAlmaLinuxCloudImages.sh' /etc/crontab
crontab -l crontab -l
/etc/init.d/cron reload /etc/init.d/cron reload
/etc/init.d/cron restart /etc/init.d/cron restart
fi fi