functions!

restore.sh

@@ -1,12 +1,13 @@
+#!/bin/bash
 #not working encrypted setup
 
 #vars
-IP="192.168.100.16"
-source="rsync@"$IP"/rsync/"
+IP="192.168.100.100"
+source="rsync@"$IP"/mnt/"
 bootSize=256M
 
-#prepare
 ##check for root
+testVars() {
   if [ `id -u` != 0 ] ; then 
       echo "==> Need to be root"
       exit 1
@@ -18,13 +19,13 @@ then
     echo "==> Host unavailable, exiting"
     exit 1
   fi
+}
 
-##check for space
-
+chooseBackup() {
+  ##get list of backups
   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))
 
   ##choose backup
-
   echo "==>" ${#rsync_dir_list[@]} backups: ${rsync_dir_list[@]}
   read -p "Input backup number:" backupNum
 
@@ -33,7 +34,9 @@ do
   read -p "Input backup number:" backupNum
   done
   let "backupNum -= 1"
+}
 
+setTargetDisk() {
 
   ##set target drive
   lsblk -o NAME,LABEL,FSTYPE,SIZE,MOUNTPOINT,MODEL
@@ -57,18 +60,17 @@ read -p "Enter extra amount of swap (empty == 512):" swapExtra
   if [ -z "$swapExtra" ] && swapExtra=512
   let "swapSize += swapExtra" #add 512 mbs to swap for swap, not only hibernation
   swapSize=$swapSize"M"
-
+}
 #DEPLOY
 
+warnDeploy() {
   echo deployin\' ${rsync_dir_list[$backupNum]} on $targetDrive in 15s...
-
   sleep 15
-
-
   trap 'echo "==> Interrupted by user"; exit 1' 2
+}
 
+partitionDisk() {
   ##clear mbr for sure
-
   dd if=/dev/zero of=$targetDrive count=512
 
   ##fdisk
@@ -95,7 +97,9 @@ echo
   echo w
   ) | fdisk $targetDrive
   # IMHO this ^ is less obfuscated way
+}
 
+makeFS() {
   ##mkfs's
   echo "==> Making filesystems..."
   echo "mkswap"
@@ -112,9 +116,9 @@ mkfs.ext4 /dev/mapper/targetLuks
   else
   mkfs.ext4 $targetDrive"3"
   fi
+}
 
-sleep 15
-
+getUUIDs() {
   ##get disk's uuid
   echo "==> Got UUIDs!"
   UUIDS=($(blkid $targetDrive"1" $targetDrive"2" $targetDrive"3" -o value -s UUID))
@@ -123,7 +127,9 @@ then
   UUIDS[3]=UUIDS[2]
   UUIDS[2]=`blkid /dev/mapper/targetLuks -o value -s UUID`
   fi
+}
 
+mountDisk() {
   ##mount disks
   echo "==> Mounting..."
   if $encryptedDevice
@@ -135,7 +141,9 @@ fi
 
   mkdir /mnt/boot
   mount $targetDrive"2" /mnt/boot
+}
 
+copyFiles() {
   ##rsync
   echo "==> Copying from NAS..."
   rsync --archive --password-file=rsync_pass rsync://$source${rsync_dir_list[$backupNum]}/ /mnt/
@@ -143,7 +151,9 @@ retVal=$?
   if [ $retVal -ne 0 ]; then
       exit 1
   fi
+}
 
+updateFstab() {
   ##update fstab
   echo "==> Updating fstab..."
   mv /mnt/etc/fstab /mnt/etc/fstab.orig
@@ -154,6 +164,10 @@ rm /mnt/etc/fstab.orig #TODO OFC we need to check mountpoint, not only type of F
 
   echo "==> Result:"
   cat /mnt/etc/fstab
+}
+
+configBootloader() 
+{
   ##update grub linux options
   if $encryptedDevice
   cat /mnt/etc/default/grub | sed 's/cryptdevice=UUID=[A-Fa-f0-9-]*:cryptroot /cryptdevice=UUID='${UUIDS[3]}':cryptroot/' > /mnt/etc/default/grub 
@@ -162,7 +176,10 @@ cat /mnt/etc/default/grub | sed 's/cryptdevice=UUID=[A-Fa-f0-9-]*:cryptroot //'
   fi
 
   cat /mnt/etc/default/grub | sed 's/resume=UUID=[A-Fa-f0-9-]*/resume=UUID='${UUIDS[0]}'/' > /mnt/etc/default/grub
+}
 
+updateBootloader()
+{
   ##mount system stuff
   echo "==> Mounting /dev, /sys, /proc..."
   mount /dev /mnt/dev --bind
@@ -182,9 +199,28 @@ grub-install $targetDrive
 exit
 EOF
 
+}
+
+deinit()
+{
   #deinit
   echo "==> Syncing..."
   sync
   echo "==> Unmounting..."
   umount -R /mnt
   echo "==> Done!"
+}
+# funcions
+testVars()
+chooseBackup()
+setTargetDisk()
+warnDeploy()
+partitionDisk()
+makeFS()
+getUUIDs()
+mountDisk()
+copyFiles()
+updateFstab()
+configBootloader()
+updateBootloader()
+deinit()