WiP cryptsetup 2.6.1: add helper script to format block device partition and reencrypt

Script has double warning prior of just doing what user wants with user specified partition.
No validation

TODO: Delete this later

Signed-off-by: Thierry Laurion <[email protected]>

Author: tlaurion

initrd/bin/test_reencrypt_block_device_with_double_confirmation.sh

@@ -0,0 +1,34 @@
+echo "Mounting USB drive to /media"
+mount-usb --mode rw
+
+#Prompt user to specify block device's partition to format and reencrypt with big fat warning
+echo "WARNING: This script will format and reencrypt specified partition next. Please make sure you have backed up your data before proceeding."
+echo "Please specify block device's partition to format and reencrypt. Example: /dev/sda2"
+read DISK
+
+#validate one last time with user prior of proceeding
+echo "You have specified $DISK. Are you sure you want to proceed? (y/n)"
+read CONFIRM
+if [ "$CONFIRM" != "y" ]; then
+    echo "Aborting..."
+    exit 1
+fi
+
+#echo "PLACEHOLDER - Creating 8GB file in /tmp" | tee -a /media/ram_reencrypt.log
+#dd if=/dev/zero of=/tmp/disk8gb.raw bs=1M count=8k | tee -a /media/ram_reencrypt.log
+echo "This is test passphrase used to create LUKS key" > /tmp/passphrase.txt
+
+#Doing benchmarking
+echo "PLACEHOLDER - Running benchmark..." | tee /media/block_reencrypt.log
+
+cryptsetup benchmark | tee -a /media/block_reencrypt.log
+
+echo "PLACEHOLDER - Creating LUKS container on $DISK..." | tee -a /media/block_reencrypt.log
+time cryptsetup luksFormat "$DISK" --debug --batch-mode --key-file /tmp/passphrase.txt | tee -a /media/block_reencrypt.log
+
+echo "PLACEHOLDER - Reeencrypting LUKS container on $DISK..." | tee -a /media/block_reencrypt.log
+time cryptsetup reencrypt "$DISK" --disable-locks --force-offline-reencrypt --debug --batch-mode --key-file /tmp/passphrase.txt | tee -a /media/block_reencrypt.log
+
+echo "PLACEHOLDER - Unmounting USB drive from /media"
+umount /media
+echo "Done. You can remove USB drive now and upload ram_reencrypt.log from another computer to github PR."