Docker volumes export function

README.MD

@@ -0,0 +1 @@
+### TODO

backup.cfg

@@ -24,10 +24,10 @@ push_clean=false # clean backup file after push
 target_host="127.0.0.1" # rsync target host
 target_user="backup" # rsync target user
 target_key='/home/xyz/.ssh/rsync' # rsync key
-#Docker
 docker_enabled=false # will you use docker backup
 docker_images=false # backup docker images
-#Docker volumes
+docker_volumes=false #backup docker volumes
+
 #Rsync
 #Daily cron
 #Mysql dbs

main.sh

@@ -116,6 +116,21 @@ function dockerbackup {
             echo "Finished" >&2
             done
         fi
+        if [ "docker_volumes" = true ] then
+            echo "Backing up Docker volumes..." >&2
+            for i in `docker inspect --format='{{.Name}}' $(docker ps -q) | cut -f2 -d\/`
+            do container_name=$i
+            mkdir -p $tmpdir/containers/$container_name
+            echo -n "$container_name - "
+	        docker run --rm --userns=host \
+  	        --volumes-from $container_name \
+  	        -v $backup_path:/backup \
+  	        -e TAR_OPTS="$tar_opts" \
+  	        piscue/docker-backup \
+            backup "$tmpdir/containers/$container_name/$container_name-volume.tar.xz"
+	        echo "Finished" >&2
+            done
+        fi    
     fi
 }