Initial commit: enterprise digital platform with portal SSO, DigiServer, IT Assets, NetworkView, Server Monitor
This commit is contained in:
ske087
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"""
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Device management service with CRUD operations and device monitoring
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"""
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import logging
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from typing import List, Optional, Dict, Any
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from datetime import datetime, timedelta
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from sqlalchemy.orm import Session, joinedload
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from sqlalchemy import desc, func, and_
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from app.models import Device, LogEntry, FileUpload, InventoryGroup
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from config.database_config import get_db
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class DeviceService:
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"""Service for managing devices and device-related operations"""
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def __init__(self):
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self.db = get_db()
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self.logger = logging.getLogger(__name__)
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# Basic CRUD Operations
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def create_device(self, hostname: str, device_ip: str, nume_masa: str, **kwargs) -> Device:
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"""Create a new device"""
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try:
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with self.db.get_session() as session:
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# Check if device already exists
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existing = session.query(Device).filter(
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(Device.hostname == hostname) | (Device.device_ip == device_ip)
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).first()
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if existing:
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raise ValueError(f"Device with hostname '{hostname}' or IP '{device_ip}' already exists")
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device = Device(
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hostname=hostname,
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device_ip=device_ip,
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nume_masa=nume_masa,
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device_type=kwargs.get('device_type', 'unknown'),
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os_version=kwargs.get('os_version'),
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status=kwargs.get('status', 'active'),
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location=kwargs.get('location'),
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description=kwargs.get('description'),
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last_seen=datetime.utcnow()
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)
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session.add(device)
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session.commit()
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session.refresh(device)
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self.logger.info(f"Created device: {hostname} ({device_ip})")
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return device
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except Exception as e:
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self.logger.error(f"Error creating device: {e}")
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raise
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def get_device_by_id(self, device_id: int) -> Optional[Device]:
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"""Get device by ID with relationships loaded"""
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try:
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with self.db.get_session() as session:
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return session.query(Device).options(
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joinedload(Device.logs),
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joinedload(Device.files),
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joinedload(Device.inventory_groups)
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).filter(Device.id == device_id).first()
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except Exception as e:
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self.logger.error(f"Error getting device {device_id}: {e}")
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return None
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def get_device_by_hostname(self, hostname: str) -> Optional[Device]:
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"""Get device by hostname"""
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try:
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with self.db.get_session() as session:
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return session.query(Device).filter(Device.hostname == hostname).first()
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except Exception as e:
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self.logger.error(f"Error getting device by hostname {hostname}: {e}")
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return None
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def get_device_by_ip(self, device_ip: str) -> Optional[Device]:
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"""Get device by IP address"""
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try:
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with self.db.get_session() as session:
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return session.query(Device).filter(Device.device_ip == device_ip).first()
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except Exception as e:
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self.logger.error(f"Error getting device by IP {device_ip}: {e}")
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return None
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def get_all_devices(self, status: Optional[str] = None, limit: Optional[int] = None) -> List[Device]:
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"""Get all devices with optional filtering"""
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try:
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with self.db.get_session() as session:
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query = session.query(Device).order_by(desc(Device.last_seen))
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if status:
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query = query.filter(Device.status == status)
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if limit:
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query = query.limit(limit)
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return query.all()
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except Exception as e:
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self.logger.error(f"Error getting devices: {e}")
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return []
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def update_device(self, device_id: int, **kwargs) -> Optional[Device]:
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"""Update device information"""
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try:
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with self.db.get_session() as session:
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device = session.query(Device).filter(Device.id == device_id).first()
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if not device:
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return None
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# Update allowed fields
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allowed_fields = [
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'hostname', 'device_ip', 'nume_masa', 'device_type',
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'os_version', 'status', 'location', 'description'
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]
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for field, value in kwargs.items():
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if field in allowed_fields and hasattr(device, field):
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setattr(device, field, value)
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session.commit()
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session.refresh(device)
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self.logger.info(f"Updated device {device_id}")
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return device
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except Exception as e:
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self.logger.error(f"Error updating device {device_id}: {e}")
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raise
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def delete_device(self, device_id: int) -> bool:
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"""Delete device (soft delete by setting status to inactive)"""
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try:
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with self.db.get_session() as session:
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device = session.query(Device).filter(Device.id == device_id).first()
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if not device:
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return False
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# Soft delete - set status to inactive
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device.status = 'inactive'
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session.commit()
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self.logger.info(f"Soft deleted device {device_id}")
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return True
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except Exception as e:
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self.logger.error(f"Error deleting device {device_id}: {e}")
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return False
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# Device Monitoring Functions
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def update_device_last_seen(self, hostname: str = None, device_ip: str = None) -> Optional[Device]:
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"""Update device last seen timestamp"""
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try:
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with self.db.get_session() as session:
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device = None
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if hostname:
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device = session.query(Device).filter(Device.hostname == hostname).first()
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elif device_ip:
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device = session.query(Device).filter(Device.device_ip == device_ip).first()
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if device:
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device.last_seen = datetime.utcnow()
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session.commit()
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return device
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except Exception as e:
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self.logger.error(f"Error updating last seen: {e}")
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return None
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def get_device_statistics(self, device_id: int) -> Dict[str, Any]:
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"""Get comprehensive statistics for a device"""
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try:
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with self.db.get_session() as session:
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device = session.query(Device).filter(Device.id == device_id).first()
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if not device:
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return {}
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# Log statistics
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total_logs = session.query(LogEntry).filter(LogEntry.device_id == device_id).count()
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# Logs by severity
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severity_counts = session.query(
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LogEntry.severity,
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func.count(LogEntry.id)
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).filter(
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LogEntry.device_id == device_id
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).group_by(LogEntry.severity).all()
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# Recent activity (last 24 hours)
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last_24h = datetime.utcnow() - timedelta(hours=24)
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recent_logs = session.query(LogEntry).filter(
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and_(LogEntry.device_id == device_id, LogEntry.timestamp >= last_24h)
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).count()
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# File uploads
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total_files = session.query(FileUpload).filter(
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FileUpload.device_id == device_id
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).count()
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# Last log
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last_log = session.query(LogEntry).filter(
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LogEntry.device_id == device_id
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).order_by(desc(LogEntry.timestamp)).first()
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return {
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'device': device,
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'total_logs': total_logs,
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'severity_counts': dict(severity_counts),
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'recent_logs_24h': recent_logs,
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'total_files': total_files,
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'last_log': last_log,
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'uptime_days': (datetime.utcnow() - device.last_seen).days if device.last_seen else 0
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}
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except Exception as e:
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self.logger.error(f"Error getting device statistics: {e}")
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return {}
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def get_inactive_devices(self, hours: int = 24) -> List[Device]:
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"""Get devices that haven't been seen recently"""
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try:
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with self.db.get_session() as session:
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cutoff_time = datetime.utcnow() - timedelta(hours=hours)
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return session.query(Device).filter(
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and_(
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Device.last_seen < cutoff_time,
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Device.status.in_(['active', 'maintenance'])
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)
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).order_by(desc(Device.last_seen)).all()
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except Exception as e:
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self.logger.error(f"Error getting inactive devices: {e}")
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return []
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def get_device_logs(self, device_id: int, limit: int = 100, severity: str = None) -> List[LogEntry]:
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"""Get logs for a specific device"""
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try:
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with self.db.get_session() as session:
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query = session.query(LogEntry).filter(
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LogEntry.device_id == device_id
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).order_by(desc(LogEntry.timestamp))
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if severity:
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query = query.filter(LogEntry.severity == severity)
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return query.limit(limit).all()
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except Exception as e:
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self.logger.error(f"Error getting device logs: {e}")
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return []
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def search_devices(self, search_term: str) -> List[Device]:
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"""Search devices by hostname, IP, or description"""
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try:
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with self.db.get_session() as session:
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search_pattern = f"%{search_term}%"
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return session.query(Device).filter(
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(Device.hostname.like(search_pattern)) |
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(Device.device_ip.like(search_pattern)) |
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(Device.nume_masa.like(search_pattern)) |
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(Device.location.like(search_pattern)) |
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(Device.description.like(search_pattern))
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).order_by(desc(Device.last_seen)).all()
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except Exception as e:
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self.logger.error(f"Error searching devices: {e}")
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return []
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# Bulk Operations
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def bulk_update_status(self, device_ids: List[int], status: str) -> int:
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"""Update status for multiple devices"""
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try:
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with self.db.get_session() as session:
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updated = session.query(Device).filter(
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Device.id.in_(device_ids)
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).update({Device.status: status}, synchronize_session=False)
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session.commit()
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self.logger.info(f"Updated status for {updated} devices")
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return updated
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except Exception as e:
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self.logger.error(f"Error bulk updating status: {e}")
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return 0
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def get_device_summary(self) -> Dict[str, Any]:
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"""Get summary statistics for all devices"""
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try:
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with self.db.get_session() as session:
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# Device status counts
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status_counts = session.query(
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Device.status,
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func.count(Device.id)
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).group_by(Device.status).all()
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# Device type counts
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type_counts = session.query(
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Device.device_type,
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func.count(Device.id)
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).group_by(Device.device_type).all()
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# Recent activity
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last_24h = datetime.utcnow() - timedelta(hours=24)
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devices_seen_24h = session.query(Device).filter(
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Device.last_seen >= last_24h
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).count()
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return {
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'total_devices': session.query(Device).count(),
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'status_counts': dict(status_counts),
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'type_counts': dict(type_counts),
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'devices_seen_24h': devices_seen_24h
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}
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except Exception as e:
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self.logger.error(f"Error getting device summary: {e}")
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return {}
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@@ -0,0 +1,256 @@
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"""
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File upload and processing service
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"""
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import os
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import hashlib
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import mimetypes
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from datetime import datetime
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from pathlib import Path
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from werkzeug.utils import secure_filename
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from app.models import Device, FileUpload
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from config.database_config import get_db
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import logging
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class FileUploadService:
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"""Service for handling file uploads and processing"""
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def __init__(self):
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self.db = get_db()
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self.upload_folder = Path("data/uploads")
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self.upload_folder.mkdir(exist_ok=True)
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# Allowed file extensions
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self.allowed_extensions = {
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'txt', 'log', 'conf', 'cfg', 'json', 'yml', 'yaml',
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'py', 'sh', 'service', 'env', 'ini'
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}
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# Max file size (50MB)
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self.max_file_size = 50 * 1024 * 1024
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def process_uploaded_file(self, file, device_info):
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"""Process uploaded file from device"""
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try:
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# Validate file
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if not file or file.filename == '':
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return {'success': False, 'error': 'No file provided'}
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# Check file extension
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filename = secure_filename(file.filename)
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if not self._allowed_file(filename):
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return {
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'success': False,
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'error': f'File type not allowed. Allowed: {", ".join(self.allowed_extensions)}'
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}
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# Check file size
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file.seek(0, 2) # Seek to end
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file_size = file.tell()
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file.seek(0) # Reset position
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if file_size > self.max_file_size:
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return {
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'success': False,
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'error': f'File too large. Max size: {self.max_file_size // (1024*1024)}MB'
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}
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# Calculate file hash
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file_content = file.read()
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file.seek(0) # Reset for saving
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file_hash = hashlib.sha256(file_content).hexdigest()
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with self.db.get_session() as session:
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# Get or create device
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device = self._get_or_create_device(session, device_info)
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# Check for duplicate file
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existing_file = session.query(FileUpload).filter_by(file_hash=file_hash).first()
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if existing_file:
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return {
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'success': True,
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'message': 'File already exists (duplicate detected)',
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'file_id': existing_file.id,
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'duplicate': True
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}
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# Generate unique filename
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timestamp = datetime.utcnow().strftime("%Y%m%d_%H%M%S")
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new_filename = f"{device.hostname}_{timestamp}_{filename}"
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file_path = self.upload_folder / new_filename
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# Save file
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with open(file_path, 'wb') as f:
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f.write(file_content)
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# Get MIME type
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mime_type, _ = mimetypes.guess_type(filename)
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# Create file record
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file_upload = FileUpload(
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device_id=device.id,
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filename=new_filename,
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original_filename=filename,
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file_path=str(file_path),
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file_size=file_size,
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file_hash=file_hash,
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mime_type=mime_type,
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upload_date=datetime.utcnow(),
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upload_ip=device_info.get('device_ip'),
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processed=False,
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processing_status='pending'
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)
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session.add(file_upload)
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session.flush()
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# Process file content if it's a log file
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if self._is_log_file(filename, mime_type):
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self._process_log_file(file_upload, file_content)
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return {
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'success': True,
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'message': 'File uploaded successfully',
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'file_id': file_upload.id,
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'filename': new_filename,
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'size': file_size,
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'hash': file_hash,
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'processed': file_upload.processed
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||||
}
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||||
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except Exception as e:
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logging.error(f"Error processing uploaded file: {e}")
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return {
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'success': False,
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'error': str(e)
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}
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||||
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def _allowed_file(self, filename):
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"""Check if file extension is allowed"""
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return '.' in filename and \
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filename.rsplit('.', 1)[1].lower() in self.allowed_extensions
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||||
def _get_or_create_device(self, session, device_info):
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||||
"""Get existing device or create new one"""
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||||
device = session.query(Device).filter_by(
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hostname=device_info['hostname'],
|
||||
device_ip=device_info['device_ip']
|
||||
).first()
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||||
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||||
if not device:
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||||
device = Device(
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||||
hostname=device_info['hostname'],
|
||||
device_ip=device_info['device_ip'],
|
||||
nume_masa=device_info['nume_masa'],
|
||||
last_seen=datetime.utcnow(),
|
||||
status='active'
|
||||
)
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||||
session.add(device)
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||||
session.flush()
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||||
else:
|
||||
device.last_seen = datetime.utcnow()
|
||||
if device.nume_masa != device_info['nume_masa']:
|
||||
device.nume_masa = device_info['nume_masa']
|
||||
|
||||
return device
|
||||
|
||||
def _is_log_file(self, filename, mime_type):
|
||||
"""Check if file is a log file that should be processed"""
|
||||
log_extensions = {'log', 'txt'}
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||||
log_keywords = ['log', 'error', 'debug', 'trace', 'audit']
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||||
|
||||
# Check extension
|
||||
if '.' in filename:
|
||||
ext = filename.rsplit('.', 1)[1].lower()
|
||||
if ext in log_extensions:
|
||||
return True
|
||||
|
||||
# Check filename for log keywords
|
||||
filename_lower = filename.lower()
|
||||
for keyword in log_keywords:
|
||||
if keyword in filename_lower:
|
||||
return True
|
||||
|
||||
# Check MIME type
|
||||
if mime_type and 'text' in mime_type:
|
||||
return True
|
||||
|
||||
return False
|
||||
|
||||
def _process_log_file(self, file_upload, content):
|
||||
"""Process log file content to extract log entries"""
|
||||
try:
|
||||
# Mark as log file
|
||||
file_upload.is_log_file = True
|
||||
|
||||
# Simple log processing - split by lines
|
||||
lines = content.decode('utf-8', errors='ignore').split('\n')
|
||||
entries_extracted = 0
|
||||
|
||||
from app.services.log_service import LogCompressionService
|
||||
log_service = LogCompressionService()
|
||||
|
||||
device_info = {
|
||||
'hostname': file_upload.device.hostname,
|
||||
'device_ip': file_upload.device.device_ip,
|
||||
'nume_masa': file_upload.device.nume_masa
|
||||
}
|
||||
|
||||
for line_num, line in enumerate(lines, 1):
|
||||
line = line.strip()
|
||||
if not line:
|
||||
continue
|
||||
|
||||
# Try to extract timestamp and message
|
||||
# This is a simple implementation - enhance as needed
|
||||
message = f"[File: {file_upload.original_filename}:{line_num}] {line}"
|
||||
|
||||
# Process through log compression service
|
||||
result = log_service.process_log_message(
|
||||
device_info=device_info,
|
||||
message=message,
|
||||
severity='info'
|
||||
)
|
||||
|
||||
if result['success']:
|
||||
entries_extracted += 1
|
||||
|
||||
# Update file record
|
||||
file_upload.log_entries_extracted = entries_extracted
|
||||
file_upload.processed = True
|
||||
file_upload.processing_status = 'completed'
|
||||
|
||||
logging.info(f"Processed log file {file_upload.filename}: {entries_extracted} entries extracted")
|
||||
|
||||
except Exception as e:
|
||||
logging.error(f"Error processing log file content: {e}")
|
||||
file_upload.processing_status = 'error'
|
||||
file_upload.processing_error = str(e)
|
||||
|
||||
def get_upload_stats(self):
|
||||
"""Get file upload statistics"""
|
||||
try:
|
||||
with self.db.get_session() as session:
|
||||
total_files = session.query(FileUpload).count()
|
||||
log_files = session.query(FileUpload).filter_by(is_log_file=True).count()
|
||||
|
||||
# Calculate total size
|
||||
total_size = session.query(
|
||||
session.func.sum(FileUpload.file_size)
|
||||
).scalar() or 0
|
||||
|
||||
# Count by processing status
|
||||
processed = session.query(FileUpload).filter_by(processed=True).count()
|
||||
pending = session.query(FileUpload).filter(
|
||||
FileUpload.processing_status == 'pending'
|
||||
).count()
|
||||
|
||||
return {
|
||||
'total_files': total_files,
|
||||
'log_files': log_files,
|
||||
'total_size': total_size,
|
||||
'processed': processed,
|
||||
'pending': pending
|
||||
}
|
||||
except Exception as e:
|
||||
logging.error(f"Error getting upload stats: {e}")
|
||||
return {'error': str(e)}
|
||||
@@ -0,0 +1,378 @@
|
||||
"""
|
||||
Log processing service with message compression and aliasing
|
||||
"""
|
||||
import json
|
||||
import re
|
||||
import hashlib
|
||||
from typing import Dict, List, Optional, Tuple
|
||||
from datetime import datetime
|
||||
from sqlalchemy.orm import Session
|
||||
from app.models import Device, LogEntry, MessageTemplate
|
||||
from config.database_config import get_db
|
||||
import logging
|
||||
|
||||
class LogCompressionService:
|
||||
"""Service for compressing log messages using templates and aliases"""
|
||||
|
||||
def __init__(self):
|
||||
self.db = get_db()
|
||||
self.template_patterns = self._load_common_patterns()
|
||||
|
||||
def _load_common_patterns(self) -> List[Dict]:
|
||||
"""Load common log message patterns for template matching"""
|
||||
return [
|
||||
{
|
||||
'pattern': r'Card detected: ([A-F0-9]+)',
|
||||
'template': 'Card detected: {card_id}',
|
||||
'category': 'card_detection',
|
||||
'alias_prefix': 'CD'
|
||||
},
|
||||
{
|
||||
'pattern': r'Connection failed: (.+)',
|
||||
'template': 'Connection failed: {error}',
|
||||
'category': 'connection_error',
|
||||
'alias_prefix': 'CE'
|
||||
},
|
||||
{
|
||||
'pattern': r'System startup completed in ([0-9.]+)s',
|
||||
'template': 'System startup completed in {time}s',
|
||||
'category': 'system_startup',
|
||||
'alias_prefix': 'SS'
|
||||
},
|
||||
{
|
||||
'pattern': r'Auto-update: (.+)',
|
||||
'template': 'Auto-update: {message}',
|
||||
'category': 'auto_update',
|
||||
'alias_prefix': 'AU'
|
||||
},
|
||||
{
|
||||
'pattern': r'Command \'([^\']+)\' (SUCCESS|FAILED)',
|
||||
'template': 'Command \'{command}\' {status}',
|
||||
'category': 'command_execution',
|
||||
'alias_prefix': 'EX'
|
||||
},
|
||||
{
|
||||
'pattern': r'Temperature: ([0-9.]+)°C',
|
||||
'template': 'Temperature: {temp}°C',
|
||||
'category': 'temperature',
|
||||
'alias_prefix': 'TM'
|
||||
}
|
||||
]
|
||||
|
||||
def process_log_message(self, device_info: Dict, message: str, severity: str = 'info') -> Dict:
|
||||
"""
|
||||
Process incoming log message with compression
|
||||
|
||||
Args:
|
||||
device_info: Dict with hostname, device_ip, nume_masa
|
||||
message: Log message text
|
||||
severity: Message severity level
|
||||
|
||||
Returns:
|
||||
Dict with processing results and storage info
|
||||
"""
|
||||
try:
|
||||
with self.db.get_session() as session:
|
||||
# Get or create device
|
||||
device = self._get_or_create_device(session, device_info)
|
||||
|
||||
# Try to match message to existing template
|
||||
template, variables = self._match_message_template(session, message)
|
||||
|
||||
if template:
|
||||
# Use existing template
|
||||
log_entry = LogEntry(
|
||||
device_id=device.id,
|
||||
template_id=template.id,
|
||||
template_variables=json.dumps(variables) if variables else None,
|
||||
severity=severity,
|
||||
timestamp=datetime.utcnow()
|
||||
)
|
||||
# Update template usage count
|
||||
template.usage_count += 1
|
||||
|
||||
# Calculate size savings
|
||||
original_size = len(message.encode('utf-8'))
|
||||
compressed_size = len(template.alias.encode('utf-8')) + \
|
||||
len(json.dumps(variables or {}).encode('utf-8'))
|
||||
|
||||
compression_info = {
|
||||
'used_template': True,
|
||||
'template_alias': template.alias,
|
||||
'original_size': original_size,
|
||||
'compressed_size': compressed_size,
|
||||
'savings_percent': ((original_size - compressed_size) / original_size) * 100
|
||||
}
|
||||
else:
|
||||
# Create new template if message matches a pattern
|
||||
template = self._create_new_template(session, message)
|
||||
|
||||
if template:
|
||||
# New template created
|
||||
variables = self._extract_variables(message, template.template_text)
|
||||
log_entry = LogEntry(
|
||||
device_id=device.id,
|
||||
template_id=template.id,
|
||||
template_variables=json.dumps(variables) if variables else None,
|
||||
severity=severity,
|
||||
timestamp=datetime.utcnow()
|
||||
)
|
||||
template.usage_count = 1
|
||||
|
||||
compression_info = {
|
||||
'used_template': True,
|
||||
'template_alias': template.alias,
|
||||
'new_template': True,
|
||||
'original_size': len(message.encode('utf-8')),
|
||||
'compressed_size': len(template.alias.encode('utf-8'))
|
||||
}
|
||||
else:
|
||||
# Store as full message
|
||||
log_entry = LogEntry(
|
||||
device_id=device.id,
|
||||
full_message=message,
|
||||
severity=severity,
|
||||
timestamp=datetime.utcnow()
|
||||
)
|
||||
|
||||
compression_info = {
|
||||
'used_template': False,
|
||||
'stored_full': True,
|
||||
'original_size': len(message.encode('utf-8'))
|
||||
}
|
||||
|
||||
session.add(log_entry)
|
||||
session.flush() # Get the log entry ID
|
||||
|
||||
return {
|
||||
'success': True,
|
||||
'log_id': log_entry.id,
|
||||
'device_id': device.id,
|
||||
'compression': compression_info,
|
||||
'message': 'Log processed successfully'
|
||||
}
|
||||
|
||||
except Exception as e:
|
||||
logging.error(f"Error processing log message: {e}")
|
||||
return {
|
||||
'success': False,
|
||||
'error': str(e),
|
||||
'message': 'Log processing failed'
|
||||
}
|
||||
|
||||
@staticmethod
|
||||
def _infer_device_type(hostname: str) -> str:
|
||||
"""Guess device type from hostname pattern."""
|
||||
h = hostname.upper()
|
||||
if any(k in h for k in ('RPI', 'PI', 'RASP')):
|
||||
return 'Raspberry Pi'
|
||||
if any(k in h for k in ('SRV', 'SERVER')):
|
||||
return 'Server'
|
||||
if any(k in h for k in ('PC', 'DESK', 'WRK')):
|
||||
return 'PC'
|
||||
if any(k in h for k in ('LAPTOP', 'NB')):
|
||||
return 'Laptop'
|
||||
return 'unknown'
|
||||
|
||||
def _get_or_create_device(self, session: Session, device_info: Dict) -> Device:
|
||||
"""Get existing device or create new one.
|
||||
|
||||
Lookup priority:
|
||||
1. MAC address (most reliable – survives IP/hostname changes)
|
||||
2. hostname + device_ip (legacy fallback)
|
||||
"""
|
||||
mac = device_info.get('mac_address')
|
||||
device = None
|
||||
|
||||
# 1. Try MAC lookup first
|
||||
if mac:
|
||||
device = session.query(Device).filter_by(mac_address=mac).first()
|
||||
|
||||
# 2. Fall back to hostname+IP
|
||||
if not device:
|
||||
device = session.query(Device).filter_by(
|
||||
hostname=device_info['hostname'],
|
||||
device_ip=device_info['device_ip']
|
||||
).first()
|
||||
|
||||
if not device:
|
||||
device = Device(
|
||||
hostname=device_info['hostname'],
|
||||
device_ip=device_info['device_ip'],
|
||||
nume_masa=device_info['nume_masa'],
|
||||
device_type=device_info.get('device_type') or self._infer_device_type(device_info['hostname']),
|
||||
os_version=device_info.get('os_version'),
|
||||
location=device_info.get('location'),
|
||||
mac_address=mac or None,
|
||||
last_seen=datetime.utcnow(),
|
||||
status='active'
|
||||
)
|
||||
session.add(device)
|
||||
session.flush()
|
||||
else:
|
||||
# Always update last_seen and nome_masa
|
||||
device.last_seen = datetime.utcnow()
|
||||
if device.nume_masa != device_info['nume_masa']:
|
||||
device.nume_masa = device_info['nume_masa']
|
||||
|
||||
# Sync MAC address if we now know it and device doesn't have one
|
||||
if mac and not device.mac_address:
|
||||
device.mac_address = mac
|
||||
|
||||
# Update type from hostname if still unknown
|
||||
if not device.device_type or device.device_type == 'unknown':
|
||||
device.device_type = device_info.get('device_type') or self._infer_device_type(device_info['hostname'])
|
||||
|
||||
# Update OS / location only when client sends them (don't overwrite manual edits with None)
|
||||
if device_info.get('os_version'):
|
||||
device.os_version = device_info['os_version']
|
||||
if device_info.get('location'):
|
||||
device.location = device_info['location']
|
||||
|
||||
return device
|
||||
|
||||
def _match_message_template(self, session: Session, message: str) -> Tuple[Optional[MessageTemplate], Optional[Dict]]:
|
||||
"""Try to match message to existing template"""
|
||||
# First, try exact template match
|
||||
message_hash = MessageTemplate.create_hash(message)
|
||||
template = session.query(MessageTemplate).filter_by(template_hash=message_hash).first()
|
||||
|
||||
if template:
|
||||
return template, None
|
||||
|
||||
# Try pattern matching with variable extraction
|
||||
for pattern_info in self.template_patterns:
|
||||
match = re.match(pattern_info['pattern'], message)
|
||||
if match:
|
||||
# Look for template with this pattern
|
||||
template_text = pattern_info['template']
|
||||
template = session.query(MessageTemplate).filter_by(
|
||||
template_text=template_text,
|
||||
category=pattern_info['category']
|
||||
).first()
|
||||
|
||||
if template:
|
||||
# Extract variables
|
||||
variables = {}
|
||||
for i, group in enumerate(match.groups(), 1):
|
||||
# Map to variable names based on template
|
||||
if '{card_id}' in template_text and pattern_info['category'] == 'card_detection':
|
||||
variables['card_id'] = group
|
||||
elif '{error}' in template_text and pattern_info['category'] == 'connection_error':
|
||||
variables['error'] = group
|
||||
elif '{time}' in template_text and pattern_info['category'] == 'system_startup':
|
||||
variables['time'] = group
|
||||
elif '{message}' in template_text:
|
||||
variables['message'] = group
|
||||
elif '{command}' in template_text and i == 1:
|
||||
variables['command'] = group
|
||||
elif '{status}' in template_text and i == 2:
|
||||
variables['status'] = group
|
||||
elif '{temp}' in template_text:
|
||||
variables['temp'] = group
|
||||
|
||||
return template, variables
|
||||
|
||||
return None, None
|
||||
|
||||
def _create_new_template(self, session: Session, message: str) -> Optional[MessageTemplate]:
|
||||
"""Create new template if message matches a known pattern"""
|
||||
for pattern_info in self.template_patterns:
|
||||
match = re.match(pattern_info['pattern'], message)
|
||||
if match:
|
||||
# Check if template already exists
|
||||
existing = session.query(MessageTemplate).filter_by(
|
||||
template_text=pattern_info['template'],
|
||||
category=pattern_info['category']
|
||||
).first()
|
||||
|
||||
if existing:
|
||||
return existing
|
||||
|
||||
# Create new template
|
||||
alias = self._generate_alias(session, pattern_info['alias_prefix'])
|
||||
template_hash = MessageTemplate.create_hash(pattern_info['template'])
|
||||
|
||||
template = MessageTemplate(
|
||||
template_hash=template_hash,
|
||||
template_text=pattern_info['template'],
|
||||
category=pattern_info['category'],
|
||||
alias=alias,
|
||||
created_at=datetime.utcnow()
|
||||
)
|
||||
|
||||
session.add(template)
|
||||
session.flush()
|
||||
return template
|
||||
|
||||
return None
|
||||
|
||||
def _generate_alias(self, session: Session, prefix: str) -> str:
|
||||
"""Generate unique alias for template"""
|
||||
# Find highest existing alias number for this prefix
|
||||
existing_aliases = session.query(MessageTemplate.alias).filter(
|
||||
MessageTemplate.alias.like(f"{prefix}%")
|
||||
).all()
|
||||
|
||||
max_num = 0
|
||||
for (alias,) in existing_aliases:
|
||||
try:
|
||||
num = int(alias[len(prefix):])
|
||||
max_num = max(max_num, num)
|
||||
except ValueError:
|
||||
continue
|
||||
|
||||
return f"{prefix}{max_num + 1:03d}"
|
||||
|
||||
def _extract_variables(self, message: str, template: str) -> Dict:
|
||||
"""Extract variables from message using template"""
|
||||
# Simple variable extraction - could be enhanced
|
||||
variables = {}
|
||||
# This is a simplified implementation
|
||||
# In production, you'd want more sophisticated template matching
|
||||
return variables
|
||||
|
||||
def get_compression_stats(self) -> Dict:
|
||||
"""Get compression statistics"""
|
||||
try:
|
||||
with self.db.get_session() as session:
|
||||
# Count total logs
|
||||
total_logs = session.query(LogEntry).count()
|
||||
|
||||
# Count templated logs
|
||||
templated_logs = session.query(LogEntry).filter(
|
||||
LogEntry.template_id.isnot(None)
|
||||
).count()
|
||||
|
||||
# Count templates
|
||||
total_templates = session.query(MessageTemplate).count()
|
||||
|
||||
# Calculate average savings (simplified)
|
||||
compression_ratio = (templated_logs / total_logs * 100) if total_logs > 0 else 0
|
||||
|
||||
return {
|
||||
'total_logs': total_logs,
|
||||
'templated_logs': templated_logs,
|
||||
'total_templates': total_templates,
|
||||
'compression_ratio': round(compression_ratio, 2),
|
||||
'estimated_savings': round(compression_ratio * 0.6, 2) # Estimated 60% savings per template
|
||||
}
|
||||
except Exception as e:
|
||||
logging.error(f"Error getting compression stats: {e}")
|
||||
return {'error': str(e)}
|
||||
|
||||
def get_message_by_alias(self, alias: str, variables: Dict = None) -> Optional[str]:
|
||||
"""Retrieve full message using alias and variables"""
|
||||
try:
|
||||
with self.db.get_session() as session:
|
||||
template = session.query(MessageTemplate).filter_by(alias=alias).first()
|
||||
|
||||
if template:
|
||||
if variables:
|
||||
return template.template_text.format(**variables)
|
||||
return template.template_text
|
||||
|
||||
return None
|
||||
except Exception as e:
|
||||
logging.error(f"Error retrieving message by alias: {e}")
|
||||
return None
|
||||
Reference in New Issue
Block a user