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50 lines
2.0 KiB
50 lines
2.0 KiB
#!/bin/bash
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# This script might look like a good idea. Please be aware of these important issues:
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#
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# - The backup file is not encrypted and it contains your lightning private keys.
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# Consider encrypting before uploading or using another backup tool like duplicity.
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# - Old channel state is toxic and you can loose all your funds, if you or someone
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# else closes a channel based on the backup with old state - and the state changes
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# often! If you publish an old state (say from yesterday's backup) on chain, you
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# WILL LOSE ALL YOUR FUNDS IN A CHANNEL, because the counterparty will publish a
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# revocation key!
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if [ "$(id -u)" != "0" ]; then
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echo "This script must be run as root."
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echo "Use the command 'sudo su -' (include the trailing hypen) and try again"
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exit 1
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fi
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(return 2>/dev/null) && sourced=1 || sourced=0
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if [ $sourced != 1 ]; then
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echo "You forgot the leading '.' followed by a space!"
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echo "Try this format: . ./backup.sh"
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exit 1
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fi
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if [ -z ${BACKUP_PROVIDER+x} ]; then
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echo "Set BACKUP_PROVIDER environmental variable and try again."
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exit 1
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elif [ ${BACKUP_PROVIDER="Dropbox"} ]; then
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if [ -z ${DROPBOX_TOKEN+x} ]; then
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echo "Set DROPBOX_TOKEN environmental variable and try again."
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exit 1
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fi
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if [ -z ${1+x} ]; then
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filename="backup.tar.gz"
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else
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filename=$1
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fi
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if [ ! -d /var/lib/docker/volumes/backup_datadir ]; then
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docker volume create backup_datadir
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fi
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btcpay-down.sh
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tar --exclude='/var/lib/docker/volumes/backup_datadir/*' --exclude='/var/lib/docker/volumes/generated_bitcoin_datadir/*' --exclude='/var/lib/docker/volumes/generated_litecoin_datadir/*' -cvzf /var/lib/docker/volumes/backup_datadir/_data/${filename} /var/lib/docker/volumes
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btcpay-up.sh
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echo "Uploading to Dropbox..."
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docker run --name backup --env DROPBOX_TOKEN=$DROPBOX_TOKEN -v backup_datadir:/data jvandrew/btcpay-dropbox:1.0.5 $filename
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echo "Deleting local backup..."
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rm /var/lib/docker/volumes/backup_datadir/_data/${filename}
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fi
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