#!/bin/bash
# Backup script for CMDB cache database
# Run daily via cron: 0 2 * * * /path/to/backup-database.sh

BACKUP_DIR="${BACKUP_DIR:-./backups}"
DATE=$(date +%Y%m%d_%H%M%S)
CONTAINER_NAME="${CONTAINER_NAME:-cmdb-insight-backend-1}"

# Create backup directory if it doesn't exist
mkdir -p "$BACKUP_DIR"

# Backup SQLite database
echo "Backing up CMDB cache database..."
docker exec "$CONTAINER_NAME" sqlite3 /app/data/cmdb-cache.db ".backup '/tmp/cmdb-cache-$DATE.db'"
docker cp "$CONTAINER_NAME:/tmp/cmdb-cache-$DATE.db" "$BACKUP_DIR/cmdb-cache-$DATE.db"
docker exec "$CONTAINER_NAME" rm "/tmp/cmdb-cache-$DATE.db"

# Compress backup
echo "Compressing backup..."
gzip "$BACKUP_DIR/cmdb-cache-$DATE.db"

# Cleanup old backups (keep last 30 days)
echo "Cleaning up old backups..."
find "$BACKUP_DIR" -name "cmdb-cache-*.db.gz" -mtime +30 -delete

echo "Backup completed: $BACKUP_DIR/cmdb-cache-$DATE.db.gz"