#!/bin/bash

# script to tar a folder and rsync it to backup server

if [ $# -eq 0 ]
        then
                echo "No argument supplied. Use this script with:"
                echo "tar-and-backup-service.sh <servicename> <foldername> [-z]"
                echo "Use the -z flag to also send information about the backup to zabbix"
                exit 0
fi

SERVICE_NAME=$1
BACKUP_FOLDER=$2
TAR_FILE=$SERVICE_NAME.tar.gz

START_MS=$(date +%s%3N)

echo " == Backing up $SERVICE_NAME to $TAR_FILE"
echo " == Creating tar.gz file"
tar czvf $TAR_FILE $BACKUP_FOLDER
echo " == transfering tar file"

TMPFILE=$(mktemp)
rsync -avz --stats --progress $TAR_FILE sem@10.10.100.52:/home/sem/$SERVICE_NAME/ | tee "$TMPFILE"
RSYNC_OUTPUT="$(cat $TMPFILE)"
rm "$TMPFILE"

echo " == Removing local tar file"
rm $TAR_FILE

BYTES_SENT=$(echo "$RSYNC_OUTPUT" | grep "Total transferred file size" | cut -d: -f2 | cut -d' ' -f2 | tr -d ' ' | tr -d ',')
FILES_CREATED=$(echo "$RSYNC_OUTPUT" | grep "Number of regular files transferred" | cut -d: -f2 | tr -d ' ')
 
END_MS=$(date +%s%3N)
DURATION_MS=$((END_MS - START_MS))
END_DATE=$(date "+%d-%m-%Y %H:%M:%S")

echo " == Backup completed in $DURATION_MS ms"
echo " == Total bytes sent: $BYTES_SENT"
echo " == Total files created: $FILES_CREATED"

if [ "$3" == "-z" ]
then
        ./send-zabbix-backup-info.sh $SERVICE_NAME $DURATION_MS $FILES_CREATED $BYTES_SENT "$END_DATE"
fi