Christian Rotzoll
6 years ago
1 changed files with 143 additions and 0 deletions
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#!/bin/bash |
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# command info |
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if [ $# -eq 0 ] || [ "$1" = "-h" ] || [ "$1" = "-help" ]; then |
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echo "small rescue script to to backup or restore" |
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echo "lnd.rescue.sh [backup|restore]" |
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exit 1 |
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fi |
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localip=$(ip addr | grep 'state UP' -A2 | tail -n1 | awk '{print $2}' | cut -f1 -d'/') |
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mode="$1" |
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if [ ${mode} = "backup" ]; then |
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################################ |
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# BACKUP |
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################################ |
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echo "*** LND.RESCUE --> BACKUP" |
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# stop LND |
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echo "Stopping lnd..." |
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sudo systemctl stop lnd |
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sleep 5 |
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echo "OK" |
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echo |
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# zip it |
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sudo tar -zcvf /home/admin/lnd-rescue.tar.gz /mnt/hdd/lnd |
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sudo chown admin:admin /home/admin/lnd-rescue.tar.gz |
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# name with md5 checksum |
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md5checksum=$(md5sum /home/admin/lnd-rescue.tar.gz) |
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mv /home/admin/lnd-rescue.tar.gz /home/admin/lnd-rescue-${md5checksum}.tar.gz |
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# start LND |
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echo "Starting lnd..." |
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sudo systemctl start lnd |
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echo "OK" |
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echo |
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# offer SCP for download |
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echo "****************************" |
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echo "* DOWNLOAD THE BACKUP FILE *" |
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echo "****************************" |
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echo |
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echo "RUN THE FOLLOWING COMMAND ON YOUR LAPTOP IN NEW TERMINAL:" |
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echo "scp -r admin@${localip}:/home/admin/lnd-rescue-*.tar.gz ./" |
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echo "" |
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echo "Use password A to authenticate file transfere." |
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echo |
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elif [ ${mode} = "restore" ]; then |
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################################ |
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# RESTORE |
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################################ |
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echo "*** LND.RESCUE --> RESTORE" |
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echo "" |
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filename="" |
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while [ ${#filename} -eq 0 ] |
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do |
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countZips=$(sudo ls /home/admin/lnd-rescue-*.tar.gz | grep -c 'lnd-rescue') |
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if [ ${countZips} -lt 1 ]; then |
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echo "**************************" |
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echo "* UPLOAD THE BACKUP FILE *" |
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echo "**************************" |
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echo |
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echo "If you have a lnd-rescue backup file on your laptop you can now" |
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echo "upload it and restore the your old LND state." |
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echo |
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echo "To make upload open a new terminal on your laptop," |
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echo "change into the directory where your lnd-rescue file is and" |
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echo "COPY, PASTE AND EXECUTE THE FOLLOWING COMMAND:" |
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echo "scp -r admin@${localip}:/home/admin/lnd-rescue-*.tar.gz ./" |
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echo "" |
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echo "Use password A to authenticate file transfere." |
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echo |
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echo "PRESS ENTER when upload is done. Use CTRL-C to abort." |
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fi |
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if [ ${countZips} -gt 1 ]; then |
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echo "!! WARNING !!" |
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echo "There are multiple lnd-rescue files in directory /home/admin." |
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echo "Make sure there is only one to workd with and start again." |
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exit 1 |
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fi |
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if [ ${countZips} -eq 1 ]; then |
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filename=$(sudo ls /home/admin/lnd-rescue-*.tar.gz) |
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echo "OK -> found file to restore: ${filename}" |
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md5checksum=$(md5sum ${filename} | head -n1 | cut -d " " -f1) |
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isCorrect=$(echo ${filename} | grep -c ${md5checksum}) |
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if [ ${isCorrect} -eq 1 ]; then |
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echo "OK -> checksum looks good: ${md5checksum}" |
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else |
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echo "!!! FAIL -> Checksum not correct." |
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echo "Maybe transfere failed? Continue on your own risk!" |
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echo "Recommend to abort and upload again!" |
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fi |
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echo |
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echo "WARNING: This will delete the actual LND state/funds of this RaspiBlitz." |
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echo |
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echo "PRESS ENTER to start restore. Use CTRL-C to abort." |
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fi |
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read key |
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done |
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# stop LND |
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echo "Stopping lnd..." |
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systemctl stop lnd |
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sleep 5 |
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echo "OK" |
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echo |
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# clean DIR |
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echo "Cleaning LND data ..." |
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sudo rm -r /mnt/hdd/lnd/* |
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echo "OK" |
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echo |
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# unpack zip |
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echo "Restoring LND data ..." |
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sudo tar -xfv ${filename} -C / |
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echo "OK" |
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echo |
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# start LND |
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echo "Starting lnd..." |
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sudo systemctl start lnd |
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echo "OK" |
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echo |
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echo "DONE - please check if LND starts up correctly with restored state and funds." |
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echo "Keep in mind that some channels got forced closed by channel partners in the meanwhile." |
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echo |
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else |
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echo "unknown parameter '${mode}' - exit" |
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fi |
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