functions!
This commit is contained in:
parent
a64f373006
commit
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322
restore.sh
322
restore.sh
@ -1,180 +1,197 @@
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#!/bin/bash
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#not working encrypted setup
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#not working encrypted setup
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#vars
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#vars
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IP="192.168.100.16"
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IP="192.168.100.100"
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source="rsync@"$IP"/rsync/"
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source="rsync@"$IP"/mnt/"
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bootSize=256M
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bootSize=256M
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#prepare
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##check for root
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##check for root
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if [ `id -u` != 0 ] ; then
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testVars() {
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if [ `id -u` != 0 ] ; then
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echo "==> Need to be root"
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echo "==> Need to be root"
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exit 1
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exit 1
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fi
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fi
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##check for network
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##check for network
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ping -c 1 $IP &> /dev/null
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ping -c 1 $IP &> /dev/null
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if [ "$?" != 0 ]
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if [ "$?" != 0 ]
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then
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then
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echo "==> Host unavailable, exiting"
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echo "==> Host unavailable, exiting"
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exit 1
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exit 1
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fi
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fi
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}
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##check for space
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chooseBackup() {
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##get list of backups
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rsync_dir_list=($(rsync --password-file=rsync_pass rsync://$source | awk '{print $5}' | grep -v .DS_Store | grep -v "@Recently-Snapshot" | sort -r | head -n -1))
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rsync_dir_list=($(rsync --password-file=rsync_pass rsync://$source | awk '{print $5}' | grep -v .DS_Store | grep -v "@Recently-Snapshot" | sort -r | head -n -1))
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##choose backup
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echo "==>" ${#rsync_dir_list[@]} backups: ${rsync_dir_list[@]}
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read -p "Input backup number:" backupNum
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##choose backup
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until [ $backupNum -le ${#rsync_dir_list[@]} ]
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do
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read -p "Input backup number:" backupNum
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done
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let "backupNum -= 1"
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}
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echo "==>" ${#rsync_dir_list[@]} backups: ${rsync_dir_list[@]}
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setTargetDisk() {
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read -p "Input backup number:" backupNum
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until [ $backupNum -le ${#rsync_dir_list[@]} ]
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##set target drive
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do
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lsblk -o NAME,LABEL,FSTYPE,SIZE,MOUNTPOINT,MODEL
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read -p "Input backup number:" backupNum
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until [ ! -f $targetDrive ]
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done
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do
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let "backupNum -= 1"
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read -p "Target drive is " targetDrive
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targetDrive=/dev/$targetDrive
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done
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##set target drive
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echo "Encrypted?"
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lsblk -o NAME,LABEL,FSTYPE,SIZE,MOUNTPOINT,MODEL
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while read -r -n 1 -s answer ; do
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until [ ! -f $targetDrive ]
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do
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read -p "Target drive is " targetDrive
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targetDrive=/dev/$targetDrive
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done
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echo "Encrypted?"
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while read -r -n 1 -s answer ; do
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if [[ $answer = [YyNn] ]]; then
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if [[ $answer = [YyNn] ]]; then
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[[ $answer = [Yy] ]] && encryptedDevice=true && echo "WARNING You will be asked for password later" #read -p "Password: " encryptedPassword
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[[ $answer = [Yy] ]] && encryptedDevice=true && echo "WARNING You will be asked for password later" #read -p "Password: " encryptedPassword
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[[ $answer = [Nn] ]] && encryptedDevice=false
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[[ $answer = [Nn] ]] && encryptedDevice=false
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break
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break
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fi
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fi
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done
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done
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#get swap size
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swapSize=$(free -m | grep "Mem" | awk '{print $2}')
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read -p "Enter extra amount of swap (empty == 512):" swapExtra
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if [ -z "$swapExtra" ] && swapExtra=512
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let "swapSize += swapExtra" #add 512 mbs to swap for swap, not only hibernation
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swapSize=$swapSize"M"
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#get swap size
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swapSize=$(free -m | grep "Mem" | awk '{print $2}')
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read -p "Enter extra amount of swap (empty == 512):" swapExtra
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if [ -z "$swapExtra" ] && swapExtra=512
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let "swapSize += swapExtra" #add 512 mbs to swap for swap, not only hibernation
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swapSize=$swapSize"M"
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}
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#DEPLOY
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#DEPLOY
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echo deployin\' ${rsync_dir_list[$backupNum]} on $targetDrive in 15s...
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warnDeploy() {
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echo deployin\' ${rsync_dir_list[$backupNum]} on $targetDrive in 15s...
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sleep 15
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trap 'echo "==> Interrupted by user"; exit 1' 2
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}
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sleep 15
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partitionDisk() {
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##clear mbr for sure
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dd if=/dev/zero of=$targetDrive count=512
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##fdisk
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trap 'echo "==> Interrupted by user"; exit 1' 2
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echo "==> Partitioning..."
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(
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##clear mbr for sure
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echo o # Create a new empty DOS partition table
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echo n # Add a new partition
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dd if=/dev/zero of=$targetDrive count=512
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echo # Primary partition
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echo # Partition number
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##fdisk
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echo # First sector (Accept default: 1)
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echo "==> Partitioning..."
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echo +$swapSize # Last sector (Accept default: varies)
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(
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echo y #remove sign
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echo o # Create a new empty DOS partition table
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echo n
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echo n # Add a new partition
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echo
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echo # Primary partition
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echo
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echo # Partition number
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echo
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echo # First sector (Accept default: 1)
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echo +$bootSize
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echo +$swapSize # Last sector (Accept default: varies)
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echo y
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echo y #remove sign
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echo n
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echo n
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echo
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echo
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echo
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echo
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echo
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echo
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echo
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echo +$bootSize
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echo w
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echo y
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) | fdisk $targetDrive
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echo n
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echo
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echo
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echo
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echo
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echo w
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) | fdisk $targetDrive
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# IMHO this ^ is less obfuscated way
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# IMHO this ^ is less obfuscated way
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}
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##mkfs's
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makeFS() {
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echo "==> Making filesystems..."
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##mkfs's
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echo "mkswap"
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echo "==> Making filesystems..."
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mkswap $targetDrive"1"
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echo "mkswap"
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echo "mkfs.vfat"
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mkswap $targetDrive"1"
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mkfs.vfat $targetDrive"2"
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echo "mkfs.vfat"
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mkfs.vfat $targetDrive"2"
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echo "mkfs.ext4"
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echo "mkfs.ext4"
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if $encryptedDevice
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if $encryptedDevice
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then
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then
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cryptsetup luksFormat -v $targetDrive"3"
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cryptsetup luksFormat -v $targetDrive"3"
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cryptsetup open $targetDrive"3" targetLuks
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cryptsetup open $targetDrive"3" targetLuks
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mkfs.ext4 /dev/mapper/targetLuks
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mkfs.ext4 /dev/mapper/targetLuks
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else
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else
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mkfs.ext4 $targetDrive"3"
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mkfs.ext4 $targetDrive"3"
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fi
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fi
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}
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sleep 15
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getUUIDs() {
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##get disk's uuid
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echo "==> Got UUIDs!"
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UUIDS=($(blkid $targetDrive"1" $targetDrive"2" $targetDrive"3" -o value -s UUID))
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if $encryptedDevice
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then
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UUIDS[3]=UUIDS[2]
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UUIDS[2]=`blkid /dev/mapper/targetLuks -o value -s UUID`
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fi
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}
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##get disk's uuid
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mountDisk() {
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echo "==> Got UUIDs!"
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##mount disks
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UUIDS=($(blkid $targetDrive"1" $targetDrive"2" $targetDrive"3" -o value -s UUID))
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echo "==> Mounting..."
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if $encryptedDevice
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if $encryptedDevice
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then
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then
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UUIDS[3]=UUIDS[2]
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mount /dev/mapper/targetLuks /mnt
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UUIDS[2]=`blkid /dev/mapper/targetLuks -o value -s UUID`
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else
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fi
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mount $targetDrive"3" /mnt
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fi
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##mount disks
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mkdir /mnt/boot
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echo "==> Mounting..."
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mount $targetDrive"2" /mnt/boot
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if $encryptedDevice
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}
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then
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mount /dev/mapper/targetLuks /mnt
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else
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mount $targetDrive"3" /mnt
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fi
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mkdir /mnt/boot
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copyFiles() {
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mount $targetDrive"2" /mnt/boot
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##rsync
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echo "==> Copying from NAS..."
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##rsync
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rsync --archive --password-file=rsync_pass rsync://$source${rsync_dir_list[$backupNum]}/ /mnt/
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echo "==> Copying from NAS..."
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retVal=$?
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rsync --archive --password-file=rsync_pass rsync://$source${rsync_dir_list[$backupNum]}/ /mnt/
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if [ $retVal -ne 0 ]; then
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retVal=$?
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if [ $retVal -ne 0 ]; then
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exit 1
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exit 1
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fi
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fi
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}
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##update fstab
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updateFstab() {
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echo "==> Updating fstab..."
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##update fstab
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mv /mnt/etc/fstab /mnt/etc/fstab.orig
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echo "==> Updating fstab..."
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cat /mnt/etc/fstab.orig | grep "ext4" | sed 's/UUID=[A-Fa-f0-9-]*/UUID='${UUIDS[2]}'/' > /mnt/etc/fstab
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mv /mnt/etc/fstab /mnt/etc/fstab.orig
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cat /mnt/etc/fstab.orig | grep "vfat" | sed 's/UUID=[A-Fa-f0-9-]*/UUID='${UUIDS[1]}'/' >> /mnt/etc/fstab
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cat /mnt/etc/fstab.orig | grep "ext4" | sed 's/UUID=[A-Fa-f0-9-]*/UUID='${UUIDS[2]}'/' > /mnt/etc/fstab
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cat /mnt/etc/fstab.orig | grep "swap" | sed 's/UUID=[A-Fa-f0-9-]*/UUID='${UUIDS[0]}'/' >> /mnt/etc/fstab
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cat /mnt/etc/fstab.orig | grep "vfat" | sed 's/UUID=[A-Fa-f0-9-]*/UUID='${UUIDS[1]}'/' >> /mnt/etc/fstab
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rm /mnt/etc/fstab.orig #TODO OFC we need to check mountpoint, not only type of FS
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cat /mnt/etc/fstab.orig | grep "swap" | sed 's/UUID=[A-Fa-f0-9-]*/UUID='${UUIDS[0]}'/' >> /mnt/etc/fstab
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rm /mnt/etc/fstab.orig #TODO OFC we need to check mountpoint, not only type of FS
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echo "==> Result:"
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echo "==> Result:"
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cat /mnt/etc/fstab
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cat /mnt/etc/fstab
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##update grub linux options
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}
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if $encryptedDevice
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cat /mnt/etc/default/grub | sed 's/cryptdevice=UUID=[A-Fa-f0-9-]*:cryptroot /cryptdevice=UUID='${UUIDS[3]}':cryptroot/' > /mnt/etc/default/grub
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else
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cat /mnt/etc/default/grub | sed 's/cryptdevice=UUID=[A-Fa-f0-9-]*:cryptroot //' > /mnt/etc/default/grub
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fi
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cat /mnt/etc/default/grub | sed 's/resume=UUID=[A-Fa-f0-9-]*/resume=UUID='${UUIDS[0]}'/' > /mnt/etc/default/grub
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configBootloader()
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{
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##update grub linux options
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if $encryptedDevice
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cat /mnt/etc/default/grub | sed 's/cryptdevice=UUID=[A-Fa-f0-9-]*:cryptroot /cryptdevice=UUID='${UUIDS[3]}':cryptroot/' > /mnt/etc/default/grub
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else
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cat /mnt/etc/default/grub | sed 's/cryptdevice=UUID=[A-Fa-f0-9-]*:cryptroot //' > /mnt/etc/default/grub
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fi
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##mount system stuff
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cat /mnt/etc/default/grub | sed 's/resume=UUID=[A-Fa-f0-9-]*/resume=UUID='${UUIDS[0]}'/' > /mnt/etc/default/grub
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echo "==> Mounting /dev, /sys, /proc..."
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}
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mount /dev /mnt/dev --bind
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mount /sys /mnt/sys --bind
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mount /proc /mnt/proc --bind
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##chroot, mkinitcpio and update grub
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updateBootloader()
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echo "==> mkinitcpio and update grub..."
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{
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##mount system stuff
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echo "==> Mounting /dev, /sys, /proc..."
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mount /dev /mnt/dev --bind
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mount /sys /mnt/sys --bind
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mount /proc /mnt/proc --bind
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#cat /mnt/etc/mkinitcpio.conf | sed 's/encrypt //' > /mnt/etc/mkinitcpio.conf #remove cryptdevice, no encrypted fs today :c
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##chroot, mkinitcpio and update grub
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echo "==> mkinitcpio and update grub..."
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#chroot env
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#cat /mnt/etc/mkinitcpio.conf | sed 's/encrypt //' > /mnt/etc/mkinitcpio.conf #remove cryptdevice, no encrypted fs today :c
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#chroot env
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cat << EOF | chroot /mnt
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cat << EOF | chroot /mnt
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mkinitcpio -P
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mkinitcpio -P
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grub-mkconfig -o /boot/grub/grub.cfg
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grub-mkconfig -o /boot/grub/grub.cfg
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@ -182,9 +199,28 @@ grub-install $targetDrive
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exit
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exit
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EOF
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EOF
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#deinit
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}
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echo "==> Syncing..."
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sync
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deinit()
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echo "==> Unmounting..."
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{
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umount -R /mnt
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#deinit
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echo "==> Done!"
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echo "==> Syncing..."
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sync
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echo "==> Unmounting..."
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umount -R /mnt
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echo "==> Done!"
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}
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# funcions
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testVars()
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chooseBackup()
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setTargetDisk()
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warnDeploy()
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partitionDisk()
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makeFS()
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getUUIDs()
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mountDisk()
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copyFiles()
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updateFstab()
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configBootloader()
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updateBootloader()
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deinit()
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