Linux backup with LFTP

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LFTP is a sophisticated FTP client, and a file transfer program supporting a number of network protocols.

Preliminaries

In these scripts are assumed these default values:

$TOMCAT_HOME value is “/home/openkm/tomcat-7.0.61”
OpenKM database is named “okmdb”.
OpenKM database password value is “*secret*”.
OpenKM start & stop service script location is “/etc/init.d/tomcat”

Sample script

USB disk mount point can be defined in /etc/fstab as:

/dev/sdb1    /mnt/backup    ext4    defaults    0    0

These are the global script sections:

Global var configuration under ## BEGIN CONFIG ## section.
Checking user root under # Check root user section.
Deleting older database backup # Delete older local database backup section.
Stop application ( optional section ) under # Stop tomcat section.
Clean logs ( optional section ) under # Clean logs section.
Backup the database to the filesystem under #Backup database section.
Backup repository and database dump to backup destination under #Backup and purge old backups section.
Start application ( optional section ) # Start tomcat section.

Configuration parameters explanation:

Parameter	Description
HOST	The server host name.
NOW	Actual date in format ‘dd-MM-yyyy’.
DATABASE_PASS	The database password. The data base user to do backup is always root user.
OPENKM_DB	The application database name. Usually will be named “okmdb”.
OPENKM_HOME	The openkm home folder.
TOMCAT_HOME	The tomcat home folder. Usually into OPENKM_HOME folder.
DATABASE_EXP	The database dump folder. Usually into the same server.
BACKUP_DIR	FTP Backup destination.

Create a backup script /root/backup.sh

sudo su
vim /root/backup.sh

#!/bin/bash
#
## BEGIN CONFIG ##
HOST=$(uname -n)
NOW=$(date +"%d-%m-%Y")
DATABASE_PASS="*secret*"
OPENKM_DB="okmdb"
OPENKM_HOME="/home/openkm"
TOMCAT_HOME="$OPENKM_HOME/tomcat-7.0.61"
DATABASE_EXP="$OPENKM_HOME/db"
BACKUP_DIR="ftp://user:password@ftp.server/backup"
## END CONFIG ##

# Check root user
if [ $(id -u) != 0 ]; then echo "You should run this script as root"; exit; fi

# Delete older local database backup
echo -e "### BEGIN: $(date +"%x %X") ###\n"
rm -rf $DATABASE_EXP
mkdir -p $DATABASE_EXP

# Stop Tomcat
/etc/init.d/tomcat stop

# Clean logs
#echo "Clean Tomcat temporal files."
#rm -rf $TOMCAT_HOME/logs/*
#rm -rf $TOMCAT_HOME/temp/*
#rm -rf $TOMCAT_HOME/work/Catalina/localhost

# Backup database
if [ -n "$DATABASE_PASS" ]; then
  echo "* Backuping MySQL data from $OPENKM_DB..."
  mysqldump -h localhost -u root -p$DATABASE_PASS $OPENKM_DB > $DATABASE_EXP/mysql_$OPENKM_DB.sql
  echo "-------------------------------------";
fi

# Backup and purge old backups
lftp $BACKUP_DIR -e "mkdir $NOW; mirror --reverse $OPENKM_HOME $NOW; exit"

# Start Tomcat
/etc/init.d/tomcat start
echo -e "\n### END: $(date +"%x %X") ###"

Configure crontab

To install the cron job, run:

$ sudo mkdir /root/logs
$ sudo crontab -e

Add these lines according to your personal configuration:

MAILTO=nomail@openkm.com
@daily /root/backup.sh | tee /root/logs/backup.$(date +\%Y.\%m.\%d_\%H.\%M.\%S).log