project/www/restore_path.sh

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#!/bin/bash
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set -eu
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cd "$(dirname "$0")"
FILE_COUNT="$(find "$LOCAL_BACKUP_PATH" -type f | wc -l)"
if [ "$FILE_COUNT" = 0 ]; then
exit 0
fi
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# if the user specified --restore-certs then we'll go forward on letsencrypt
if [ "$APP" = letsencrypt ] && [ "$RESTORE_CERTS" = true ]; then
USER_SAYS_YES=true
fi
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# if the user said -y at the cli, we can skip this.
if [ "$USER_SAYS_YES" = false ]; then
RESPONSE=
read -r -p "Are you sure you want to restore the local path '$LOCAL_BACKUP_PATH' to the remote server at '$PRIMARY_WWW_FQDN' (y/n)": RESPONSE
if [ "$RESPONSE" != "y" ]; then
echo "STOPPING."
exit 0
fi
fi
# delete the target backup path so we can push restoration files from the management machine.
ssh "$PRIMARY_WWW_FQDN" sudo rm -rf "$REMOTE_SOURCE_BACKUP_PATH"
# scp our local backup directory to the remote machine
ssh "$PRIMARY_WWW_FQDN" sudo mkdir -p "$REMOTE_BACKUP_PATH"
ssh "$PRIMARY_WWW_FQDN" sudo chown ubuntu:ubuntu "$REMOTE_BACKUP_PATH"
scp -r "$LOCAL_BACKUP_PATH" "$PRIMARY_WWW_FQDN:$REMOTE_BACKUP_PATH"
# now we run duplicity to restore the archive.
ssh "$PRIMARY_WWW_FQDN" sudo PASSPHRASE="$DUPLICITY_BACKUP_PASSPHRASE" duplicity --force restore "file://$REMOTE_BACKUP_PATH/$APP" "$REMOTE_SOURCE_BACKUP_PATH/"
# reset folder owner to ubuntu
ssh "$PRIMARY_WWW_FQDN" sudo chown ubuntu:ubuntu "$REMOTE_HOME/$APP"