Added backup script

scripts/backup.sh

@@ -0,0 +1,49 @@
+#!/bin/bash -e
+
+[ $# -lt 2 ] && { echo "Usage: $0 {backup|restore} BACKUP_FILENAME"; exit 1; }
+
+backup_file=$2
+
+project_subscriber_volume_name=client_data
+project_tor_volume_name=tor_config
+tor_service=tor
+
+docker-compose --log-level WARNING up --no-start
+
+project_name=$(docker ps -a --no-trunc | grep $(docker-compose ps -q ${tor_service}) | awk '{ print $2; }' | awk -F "_" '{ print $1; }')
+
+project_volumes=$(docker volume ls -f name=$project_name | awk '{if (NR > 1) print $2"\n";}')
+
+subscriber_volume=$(echo "$project_volumes" | grep ${project_subscriber_volume_name} | xargs)
+tor_volume=$(echo "$project_volumes" | grep ${project_tor_volume_name} | xargs)
+
+function backup {
+
+  docker run --rm \
+    -v $subscriber_volume:/data/subscriber \
+    -v $tor_volume:/data/tor \
+    -v $(pwd):/backup \
+    ubuntu \
+    tar -C / -czvf /backup/$backup_file data
+
+  docker run --rm \
+    -v $(pwd):/backup \
+    ubuntu \
+    chown $UID:$UID /backup/$backup_file
+}
+
+function restore {
+
+  docker-compose stop $tor_service
+
+  docker run --rm \
+    -v $subscriber_volume:/data/subscriber \
+    -v $tor_volume:/data/tor \
+    -v $(pwd)/$backup_file:/backup/backup.tar.gz \
+    ubuntu \
+    tar -C / -xzvf /backup/backup.tar.gz
+
+  docker-compose start $tor_service
+}
+
+$1