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AzerothCore-RealmMaster/scripts/backup-daily.sh
2025-10-03 16:34:18 -04:00

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#!/bin/bash
set -e
# Configuration from environment variables
MYSQL_HOST=${MYSQL_HOST:-ac-mysql}
MYSQL_PORT=${MYSQL_PORT:-3306}
MYSQL_USER=${MYSQL_USER:-root}
MYSQL_PASSWORD=${MYSQL_PASSWORD:-password}
BACKUP_DIR="/backups"
RETENTION_DAYS=${BACKUP_RETENTION_DAYS:-3}
DATE_FORMAT="%Y%m%d_%H%M%S"
# Database names from environment variables
DATABASES=("${DB_AUTH_NAME:-acore_auth}" "${DB_WORLD_NAME:-acore_world}" "${DB_CHARACTERS_NAME:-acore_characters}")
# Create daily backup directory
DAILY_DIR="$BACKUP_DIR/daily"
mkdir -p $DAILY_DIR
# Generate timestamp
TIMESTAMP=$(date +$DATE_FORMAT)
BACKUP_SUBDIR="$DAILY_DIR/$TIMESTAMP"
mkdir -p $BACKUP_SUBDIR
echo "[$TIMESTAMP] Starting AzerothCore daily backup..."
# Backup each database with additional options for daily backups
for db in "${DATABASES[@]}"; do
echo "[$TIMESTAMP] Backing up database: $db"
mysqldump -h$MYSQL_HOST -P$MYSQL_PORT -u$MYSQL_USER -p$MYSQL_PASSWORD \
--single-transaction --routines --triggers --events \
--hex-blob --quick --lock-tables=false \
--add-drop-database --databases $db \
--master-data=2 --flush-logs \
| gzip > $BACKUP_SUBDIR/${db}.sql.gz
if [ $? -eq 0 ]; then
SIZE=$(du -h $BACKUP_SUBDIR/${db}.sql.gz | cut -f1)
echo "[$TIMESTAMP] ✅ Successfully backed up $db ($SIZE)"
else
echo "[$TIMESTAMP] ❌ Failed to backup $db"
exit 1
fi
done
# Create comprehensive backup manifest for daily backups
BACKUP_SIZE=$(du -sh $BACKUP_SUBDIR | cut -f1)
MYSQL_VERSION=$(mysql -h$MYSQL_HOST -P$MYSQL_PORT -u$MYSQL_USER -p$MYSQL_PASSWORD -e 'SELECT VERSION();' -s -N)
cat > $BACKUP_SUBDIR/manifest.json <<EOF
{
"timestamp": "$TIMESTAMP",
"type": "daily",
"databases": ["${DATABASES[@]}"],
"backup_size": "$BACKUP_SIZE",
"retention_days": $RETENTION_DAYS,
"mysql_version": "$MYSQL_VERSION",
"backup_method": "mysqldump with master-data and flush-logs",
"created_by": "acore-compose2 backup system"
}
EOF
# Create database statistics for daily backups
echo "[$TIMESTAMP] Generating database statistics..."
for db in "${DATABASES[@]}"; do
echo "[$TIMESTAMP] Statistics for $db:"
mysql -h$MYSQL_HOST -P$MYSQL_PORT -u$MYSQL_USER -p$MYSQL_PASSWORD -e "
SELECT
TABLE_SCHEMA as 'Database',
COUNT(*) as 'Tables',
ROUND(SUM(DATA_LENGTH + INDEX_LENGTH) / 1024 / 1024, 2) as 'Size_MB'
FROM information_schema.TABLES
WHERE TABLE_SCHEMA = '$db'
GROUP BY TABLE_SCHEMA;
" >> $BACKUP_SUBDIR/database_stats.txt
done
# Clean up old daily backups (keep only last N days)
echo "[$TIMESTAMP] Cleaning up daily backups older than $RETENTION_DAYS days..."
find $DAILY_DIR -type d -name "[0-9]*" -mtime +$RETENTION_DAYS -exec rm -rf {} + 2>/dev/null || true
# Log backup completion
echo "[$TIMESTAMP] ✅ Daily backup completed successfully"
echo "[$TIMESTAMP] Backup location: $BACKUP_SUBDIR"
echo "[$TIMESTAMP] Backup size: $BACKUP_SIZE"
echo "[$TIMESTAMP] Current daily backups:"
ls -la $DAILY_DIR/ | tail -n +2