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log_manager.py
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292 lines (232 loc) · 10.6 KB
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import logging
import threading
import json
from datetime import datetime
from collections import deque
from typing import List, Dict, Any, Optional
class MemoryLogHandler(logging.Handler):
"""Custom logging handler that stores logs in memory for web interface access"""
def __init__(self, max_logs: int = 1000):
super().__init__()
self.max_logs = max_logs
self.logs = deque(maxlen=max_logs)
self._lock = threading.RLock()
# Component mapping based on logger names
self.component_mapping = {
'InferenceNode': 'system',
'InferenceEngine': 'inference',
'InferenceEngineFactory': 'inference',
'ResultPublisher': 'publisher',
'NodeTelemetry': 'telemetry',
'NodeDiscovery': 'discovery',
'PipelineManager': 'inference',
'werkzeug': 'web',
'flask': 'web',
'app': 'web',
'web': 'web'
}
# Filter out routine static file requests
self.filter_static_requests = True
def emit(self, record):
"""Emit a log record to memory storage"""
try:
with self._lock:
# Filter out routine static file requests if enabled
if self.filter_static_requests and self._is_static_request(record):
return
# Determine component from logger name
component = self._determine_component(record.name)
# Create log entry
log_entry = {
'timestamp': datetime.fromtimestamp(record.created).isoformat(),
'level': record.levelname,
'component': component,
'message': record.getMessage(),
'logger': record.name,
'module': record.module,
'funcName': record.funcName,
'lineno': record.lineno
}
# Add exception info if present
if record.exc_info:
log_entry['exception'] = self.format(record)
# Add extra details if present
if hasattr(record, 'details'):
details = getattr(record, 'details', None)
if details:
log_entry['details'] = details
self.logs.append(log_entry)
except Exception:
# Don't let logging errors break the application
self.handleError(record)
def _is_static_request(self, record) -> bool:
"""Check if this is a routine static file request that should be filtered"""
message = record.getMessage()
# Filter out 304 (Not Modified) responses for static files
if '304' in message and any(ext in message for ext in ['.css', '.js', '.png', '.jpg', '.ico', '.svg']):
return True
# Filter out successful static file requests
if '200' in message and '/static/' in message:
return True
return False
def _determine_component(self, logger_name: str) -> str:
"""Determine component name from logger name"""
# Try exact match first
if logger_name in self.component_mapping:
return self.component_mapping[logger_name]
# Try partial matches
for key, component in self.component_mapping.items():
if key.lower() in logger_name.lower():
return component
# Default to system if no match found
return 'system'
def get_logs(self,
level: Optional[str] = None,
component: Optional[str] = None,
search: Optional[str] = None,
limit: Optional[int] = None) -> List[Dict[str, Any]]:
"""Get filtered logs"""
with self._lock:
logs = list(self.logs)
# Apply filters
if level:
logs = [log for log in logs if log['level'] == level.upper()]
if component:
logs = [log for log in logs if log['component'] == component]
if search:
search_lower = search.lower()
logs = [log for log in logs
if search_lower in log['message'].lower() or
search_lower in log.get('logger', '').lower()]
# Apply limit
if limit:
logs = logs[-limit:]
# Return in reverse chronological order (newest first)
return list(reversed(logs))
def clear_logs(self):
"""Clear all stored logs"""
with self._lock:
self.logs.clear()
def get_log_statistics(self) -> Dict[str, Any]:
"""Get statistics about stored logs"""
with self._lock:
logs = list(self.logs)
stats = {
'total': len(logs),
'by_level': {'DEBUG': 0, 'INFO': 0, 'WARNING': 0, 'ERROR': 0, 'CRITICAL': 0},
'by_component': {}
}
for log in logs:
# Count by level
level = log['level']
if level in stats['by_level']:
stats['by_level'][level] += 1
# Count by component
component = log['component']
if component not in stats['by_component']:
stats['by_component'][component] = 0
stats['by_component'][component] += 1
return stats
class LogManager:
"""Manages logging configuration and handlers"""
def __init__(self):
self.memory_handler = None
self.file_handler = None
self.log_level = logging.INFO
self.file_logging_enabled = True
self.max_log_size_mb = 10
self.retention_days = 7
def setup_logging(self, log_level: str = 'INFO',
enable_file_logging: bool = True,
max_memory_logs: int = 1000):
"""Setup logging with memory and optionally file handlers"""
# Convert string level to logging constant
numeric_level = getattr(logging, log_level.upper(), logging.INFO)
self.log_level = numeric_level
# Setup memory handler
self.memory_handler = MemoryLogHandler(max_logs=max_memory_logs)
self.memory_handler.setLevel(logging.DEBUG) # Capture all levels
# Setup formatter
formatter = logging.Formatter(
'%(asctime)s - %(name)s - %(levelname)s - %(message)s'
)
self.memory_handler.setFormatter(formatter)
# Add memory handler to root logger
root_logger = logging.getLogger()
root_logger.addHandler(self.memory_handler)
root_logger.setLevel(numeric_level)
# Enable Werkzeug logging for HTTP requests
werkzeug_logger = logging.getLogger('werkzeug')
werkzeug_logger.setLevel(logging.INFO) # Show all HTTP requests
# Setup file logging if enabled
if enable_file_logging:
self._setup_file_logging()
self.file_logging_enabled = enable_file_logging
def _setup_file_logging(self):
"""Setup file logging with rotation"""
try:
import logging.handlers
import os
# Create logs directory if it doesn't exist
log_dir = os.path.join(os.path.dirname(__file__), 'logs')
os.makedirs(log_dir, exist_ok=True)
# Setup rotating file handler
log_file = os.path.join(log_dir, 'infernode.log')
max_bytes = self.max_log_size_mb * 1024 * 1024 # Convert MB to bytes
self.file_handler = logging.handlers.RotatingFileHandler(
log_file,
maxBytes=max_bytes,
backupCount=5
)
self.file_handler.setLevel(self.log_level)
# Setup formatter for file
file_formatter = logging.Formatter(
'%(asctime)s - %(name)s - %(levelname)s - %(funcName)s:%(lineno)d - %(message)s'
)
self.file_handler.setFormatter(file_formatter)
# Add to root logger
root_logger = logging.getLogger()
root_logger.addHandler(self.file_handler)
except Exception as e:
print(f"Failed to setup file logging: {e}")
def update_settings(self, settings: Dict[str, Any]):
"""Update logging settings"""
try:
# Update log level
if 'log_level' in settings:
level_str = settings['log_level'].upper()
numeric_level = getattr(logging, level_str, logging.INFO)
self.log_level = numeric_level
# Update root logger level
root_logger = logging.getLogger()
root_logger.setLevel(numeric_level)
# Update file handler level if exists
if self.file_handler:
self.file_handler.setLevel(numeric_level)
# Update file logging settings
if 'enable_file_logging' in settings:
self.file_logging_enabled = settings['enable_file_logging']
if self.file_logging_enabled and not self.file_handler:
self._setup_file_logging()
elif not self.file_logging_enabled and self.file_handler:
# Remove file handler
root_logger = logging.getLogger()
root_logger.removeHandler(self.file_handler)
self.file_handler.close()
self.file_handler = None
if 'max_log_size_mb' in settings:
self.max_log_size_mb = settings['max_log_size_mb']
if 'retention_days' in settings:
self.retention_days = settings['retention_days']
return True
except Exception as e:
print(f"Failed to update logging settings: {e}")
return False
def get_settings(self) -> Dict[str, Any]:
"""Get current logging settings"""
return {
'log_level': logging.getLevelName(self.log_level),
'file_logging_enabled': self.file_logging_enabled,
'max_log_size_mb': self.max_log_size_mb,
'retention_days': self.retention_days
}