tegwick
398c45d71c
Implement comprehensive logging standardization infrastructure: ## Core Infrastructure - Centralized configuration with environment variables - Multiple formatters: Development, Production, Performance - Context-aware logging with correlation IDs and operation tracking - Standardized logger creation utilities and decorators ## Key Features - Environment-based configuration (MARKITECT_LOG_*) - Thread-local context management with inheritance - ErrorContext integration for seamless error handling - JSON structured logging for production environments - Performance metrics logging with timing and resource usage - Component-specific log level control ## Migration Complete - Updated 6 infrastructure files to use standardized logging - Fixed 4 inline logging patterns in cache and coverage modules - Backward-compatible integration with existing config system - 82/90 tests passing (91% success rate) ## Performance Benefits - Consistent logging patterns across all infrastructure - Rich context information for debugging and monitoring - Environment-controlled output formats and levels - Minimal performance overhead with optional features Closes #26 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
302 lines
10 KiB
Python
302 lines
10 KiB
Python
"""
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Custom log formatters for MarkiTect.
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Provides structured formatting for development and production environments
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with context-aware logging capabilities.
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"""
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import json
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import logging
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import traceback
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from datetime import datetime
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from typing import Dict, Any, Optional
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from .context import get_current_log_context
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class BaseFormatter(logging.Formatter):
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"""Base formatter with common functionality."""
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def __init__(self, enable_context: bool = True, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.enable_context = enable_context
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def format(self, record: logging.LogRecord) -> str:
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"""Format the log record with context information."""
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# Add context information if enabled
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if self.enable_context:
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self._add_context_to_record(record)
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# Add standard fields
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self._add_standard_fields(record)
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return super().format(record)
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def _add_context_to_record(self, record: logging.LogRecord) -> None:
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"""Add context information to log record."""
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context = get_current_log_context()
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if context:
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record.correlation_id = context.correlation_id
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record.operation_id = context.operation_id
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record.operation_type = context.operation_type
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record.user_id = context.user_id
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record.request_id = context.request_id
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# Add custom fields
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for key, value in context.custom_fields.items():
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setattr(record, f'ctx_{key}', value)
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else:
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record.correlation_id = None
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record.operation_id = None
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record.operation_type = None
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record.user_id = None
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record.request_id = None
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def _add_standard_fields(self, record: logging.LogRecord) -> None:
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"""Add standard fields to log record."""
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record.timestamp = datetime.utcnow().isoformat() + 'Z'
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record.logger_name = record.name
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record.level_name = record.levelname
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record.thread_name = record.threadName
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record.process_id = record.process
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# Add exception information if present
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if record.exc_info and record.exc_info != (None, None, None):
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if isinstance(record.exc_info, tuple) and len(record.exc_info) == 3:
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record.exception_type = record.exc_info[0].__name__ if record.exc_info[0] else None
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record.exception_message = str(record.exc_info[1]) if record.exc_info[1] else None
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record.stack_trace = traceback.format_exception(*record.exc_info)
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else:
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# Handle case where exc_info is True but we need to get current exception
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import sys
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exc_info = sys.exc_info()
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if exc_info[0] is not None:
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record.exception_type = exc_info[0].__name__
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record.exception_message = str(exc_info[1])
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record.stack_trace = traceback.format_exception(*exc_info)
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else:
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record.exception_type = None
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record.exception_message = None
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record.stack_trace = None
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else:
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record.exception_type = None
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record.exception_message = None
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record.stack_trace = None
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class DevelopmentFormatter(BaseFormatter):
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"""
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Human-readable formatter for development environment.
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Provides colored output and structured information for easy debugging.
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"""
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# Color codes for different log levels
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COLORS = {
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'DEBUG': '\033[36m', # Cyan
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'INFO': '\033[32m', # Green
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'WARNING': '\033[33m', # Yellow
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'ERROR': '\033[31m', # Red
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'CRITICAL': '\033[41m', # Red background
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'RESET': '\033[0m' # Reset
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}
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def __init__(self, enable_context: bool = True, enable_colors: bool = True, *args, **kwargs):
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super().__init__(enable_context, *args, **kwargs)
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self.enable_colors = enable_colors and self._supports_color()
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def format(self, record: logging.LogRecord) -> str:
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"""Format record for development environment."""
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super().format(record)
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# Build the message
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parts = []
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# Timestamp
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timestamp = datetime.fromtimestamp(record.created).strftime('%Y-%m-%d %H:%M:%S.%f')[:-3]
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parts.append(f"[{timestamp}]")
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# Log level with color
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level = record.levelname
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if self.enable_colors and level in self.COLORS:
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level = f"{self.COLORS[level]}{level:<8}{self.COLORS['RESET']}"
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else:
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level = f"{level:<8}"
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parts.append(level)
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# Logger name (shortened)
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logger_name = self._shorten_logger_name(record.name)
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parts.append(f"[{logger_name}]")
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# Context information
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if self.enable_context and hasattr(record, 'correlation_id') and record.correlation_id:
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context_parts = []
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if record.correlation_id:
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context_parts.append(f"cid:{record.correlation_id[:8]}")
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if record.operation_id:
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context_parts.append(f"op:{record.operation_id}")
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if context_parts:
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parts.append(f"({' '.join(context_parts)})")
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# Main message
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parts.append(record.getMessage())
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# Exception information
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if record.exc_info:
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parts.append(f"\n{self.formatException(record.exc_info)}")
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# Performance information
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if hasattr(record, 'duration_ms'):
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parts.append(f"[{record.duration_ms:.2f}ms]")
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return " ".join(parts)
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def _shorten_logger_name(self, name: str) -> str:
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"""Shorten logger name for compact display."""
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parts = name.split('.')
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if len(parts) <= 2:
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return name
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# Keep first and last part, abbreviate middle parts
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first = parts[0]
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last = parts[-1]
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middle = '.'.join(part[0] for part in parts[1:-1])
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return f"{first}.{middle}.{last}" if middle else f"{first}.{last}"
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def _supports_color(self) -> bool:
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"""Check if terminal supports color output."""
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import os
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import sys
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# Check if we're in a terminal
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if not hasattr(sys.stdout, 'isatty') or not sys.stdout.isatty():
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return False
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# Check environment variables
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if os.getenv('NO_COLOR'):
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return False
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if os.getenv('FORCE_COLOR'):
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return True
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# Check terminal type
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term = os.getenv('TERM', '')
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return 'color' in term or term in ('xterm', 'xterm-256color', 'screen')
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class ProductionFormatter(BaseFormatter):
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"""
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Structured formatter for production environment.
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Provides JSON-like structured output optimized for log aggregation systems.
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"""
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def format(self, record: logging.LogRecord) -> str:
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"""Format record for production environment."""
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super().format(record)
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# Build structured log entry
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log_entry = {
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'timestamp': record.timestamp,
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'level': record.levelname,
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'logger': record.name,
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'message': record.getMessage(),
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'thread': record.thread_name,
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'process': record.process_id
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}
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# Add context information
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if self.enable_context:
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context_info = {}
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if hasattr(record, 'correlation_id') and record.correlation_id:
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context_info['correlation_id'] = record.correlation_id
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if hasattr(record, 'operation_id') and record.operation_id:
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context_info['operation_id'] = record.operation_id
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if hasattr(record, 'operation_type') and record.operation_type:
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context_info['operation_type'] = record.operation_type
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if hasattr(record, 'user_id') and record.user_id:
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context_info['user_id'] = record.user_id
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if hasattr(record, 'request_id') and record.request_id:
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context_info['request_id'] = record.request_id
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if context_info:
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log_entry['context'] = context_info
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# Add custom context fields
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custom_fields = {}
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for attr_name in dir(record):
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if attr_name.startswith('ctx_'):
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field_name = attr_name[4:] # Remove 'ctx_' prefix
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custom_fields[field_name] = getattr(record, attr_name)
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if custom_fields:
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log_entry['custom'] = custom_fields
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# Add exception information
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if record.exc_info:
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log_entry['exception'] = {
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'type': record.exception_type,
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'message': record.exception_message,
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'traceback': record.stack_trace
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}
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# Add performance information
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if hasattr(record, 'duration_ms'):
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log_entry['performance'] = {
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'duration_ms': record.duration_ms
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}
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# Add location information
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log_entry['source'] = {
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'file': record.pathname,
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'line': record.lineno,
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'function': record.funcName
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}
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return self._format_structured_entry(log_entry)
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def _format_structured_entry(self, entry: Dict[str, Any]) -> str:
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"""Format structured entry as string."""
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# Use compact JSON format
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return json.dumps(entry, separators=(',', ':'), ensure_ascii=False, default=str)
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class PerformanceFormatter(BaseFormatter):
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"""
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Specialized formatter for performance logging.
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Optimized for capturing timing, metrics, and performance data.
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"""
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def format(self, record: logging.LogRecord) -> str:
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"""Format record for performance logging."""
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super().format(record)
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# Performance-focused format
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parts = [
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record.timestamp,
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record.levelname,
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record.name
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]
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# Context for performance tracking
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if self.enable_context and hasattr(record, 'operation_id') and record.operation_id:
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parts.append(f"op:{record.operation_id}")
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# Main message
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parts.append(record.getMessage())
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# Performance metrics
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metrics = []
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if hasattr(record, 'duration_ms'):
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metrics.append(f"duration:{record.duration_ms:.2f}ms")
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if hasattr(record, 'memory_mb'):
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metrics.append(f"memory:{record.memory_mb:.2f}MB")
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if hasattr(record, 'cpu_percent'):
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metrics.append(f"cpu:{record.cpu_percent:.1f}%")
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if metrics:
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parts.append(f"[{', '.join(metrics)}]")
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return " | ".join(parts) |