backup-lnd.sh

#!/usr/bin/env bash

trap "exit" INT


HOSTS=( ln@pi-hdd  lnd@pi-other )


echo -e "\nCreating backups for ${#HOSTS[*]} hosts…"

DATE=$(date +%F)

for host in ${HOSTS[@]}; do
  net=$(ssh ${host} 'ls .lnd/data/chain/bitcoin/')

  echo -e "\n=== ${host} (${net}) ==="

  echo -en "  ⚡️ -> 📜  Exporting LND's channel backups…\t"
  if ! ssh ${host} "lncli -n ${net} exportchanbackup --all | jq '.' > ~/backups/lnd-backups-${net}-${DATE}.json"; then
    echo "❌"
    exit 1
  fi
  echo -n "✅ "

  if ! ssh ${host} "lncli -n ${net} exportchanbackup --all --output_file ~/backups/channels-${net}-${DATE}.backup"; then
    echo "❌"
    exit 1
  fi
  echo "✅"

  mkdir -p "lnd-backups/${host}/"

  echo -ne "  📜 -> 💻  Downloading backups…\t\t"
  if ! scp -q ${host}:./backups/\*${DATE}\*  "./lnd-backups/${host}/"; then
    echo "❌"
    exit 1
  fi
  echo "✅ ✅"
done


echo -e "\n💻 -> 🗝  Copying backups to Keybase…"
for host in ${HOSTS[@]}; do
  echo -ne "  🗝  ${host} -> RBPs/${host##*-}/\t"
  if ! rsync --remove-source-files ./lnd-backups/${host}/*${DATE}*  "/Volumes/Keybase (mee)/private/meedamian/RBPs/${host##*-}/"; then
    echo "❌"
    exit 1
  fi

  echo "✅"
done

echo -e "\n🎉 All done ⚡️\n"