_MediaWiki-Backup-Script.md

MediaWiki Backup Script

curl -Ls https://gist.githubusercontent.com/mattrude/8417d5df7b9f587704bbfdc0ac6a09ce/raw/install.sh |sh

List timers

systemctl list-timers --all

install.sh

#!/bin/sh

curl -Ls 'https://gist.githubusercontent.com/mattrude/8417d5df7b9f587704bbfdc0ac6a09ce/raw/mediawiki-backup.sh' \
     -o /usr/local/bin/mediawiki-backup.sh
curl -Ls 'https://gist.githubusercontent.com/mattrude/8417d5df7b9f587704bbfdc0ac6a09ce/raw/mediawiki-backup.service' \
     -o /etc/systemd/system/mediawiki-backup.service
curl -Ls 'https://gist.githubusercontent.com/mattrude/8417d5df7b9f587704bbfdc0ac6a09ce/raw/mediawiki-backup.timer' \
     -o /etc/systemd/system/mediawiki-backup.timer
chmod 750 /usr/local/bin/mediawiki-backup.sh
systemctl daemon-reload
systemctl enable mediawiki-backup.timer
systemctl start mediawiki-backup.timer

mediawiki-backup.service

[Unit]
Description=Run the mediawiki-backup.sh service once a day
Documentation=https://gist.github.com/mattrude/8417d5df7b9f587704bbfdc0ac6a09ce

[Service]
Type=oneshot
User=root
ExecStart=/usr/local/bin/mediawiki-backup.sh

mediawiki-backup.sh

#!/bin/bash

echo ""
echo "MediaWiki Backup Starting at `date`."
echo "  -------------------------------"

BackupLOC='/backup'
BKDATE=`date +%w-%Y%m%d`

mkdir -p ${BackupLOC}
cd /var/www/
for SITE in `ls */LocalSettings.php |sed 's/\/LocalSettings.php//g'`
do
    echo "  Starting on site ${SITE} @ `date`"
    DBTYPE=`grep '$wgDBtype' ${SITE}/LocalSettings.php |awk '{ print $3 }' |sed 's/"//g' |sed 's/;//g'`
    DBNAME=`grep '$wgDBname' ${SITE}/LocalSettings.php |awk '{ print $3 }' |sed 's/"//g' |sed 's/;//g'`
    DBUSER=`grep '$wgDBuser' ${SITE}/LocalSettings.php |awk '{ print $3 }' |sed 's/"//g' |sed 's/;//g'`
    DBPASS=`grep '$wgDBpassword' ${SITE}/LocalSettings.php |awk '{ print $3 }' |sed 's/"//g' |sed 's/;//g'`
    BKDIR=/tmp/mediawiki-backup/${SITE}
    mkdir -p ${BKDIR}/

    ####################################################################################

    echo -n "  ${SITE}: Starting Database Repair..."
    if MYSQL_PWD="${DBPASS}" \
       mysqlcheck ${DBNAME} --auto-repair --user=${DBUSER} 1>/dev/null;
    then
        echo "Done!"
    else
        echo "Failed to repair wiki database!!!!"
        echo "  ${SITE}: Continuing anyways"
    fi

    ####################################################################################

    echo -n "  ${SITE}: Creating SQL Database Backup..."
    mysqldump ${DBNAME} |gzip > /var/www/${DBNAME}-${BKDATE}.sql.gz
    echo "Done!"

    ####################################################################################

    cd ${BKDIR}/
    echo -n "  ${SITE}: Removing old backups..."
    rm -f ${BackupLOC}/${DBNAME}-`date +%w`-*.tgz
    echo "Done!"
    echo -n "  ${SITE}: Creating new backup (tar file)..."
    tar -czPf ${BackupLOC}/${DBNAME}-${BKDATE}.tgz \
            /var/www/${DBNAME}-${BKDATE}.sql.gz \
            /var/www/${SITE}/LocalSettings.php \
            /var/www/${SITE}/images \
            /etc/nginx/mediawiki.conf \
            /etc/nginx/sites-enabled/${DBNAME}.conf
    echo "Done!"

    ####################################################################################

    echo -n "  ${SITE}: Removing temporary files..."
    rm /var/www/${DBNAME}-${BKDATE}.sql.gz
    echo "Done!"
    ####################################################################################

    echo "  -------------------------------"
done
echo "MediaWiki Backup Complete."

mediawiki-backup.timer

[Unit]
Description=Run the mediawiki-backup.sh service once a day
Documentation=https://gist.github.com/mattrude/8417d5df7b9f587704bbfdc0ac6a09ce

[Timer]
OnCalendar=*-*-* 05:10:00
RandomizedDelaySec=600
Persistent=true

[Install]
WantedBy=timers.target