#!/usr/bin/env python
import logging
import sys
from typing import Any, Dict
import structlog
def setup_logging() -> structlog.BoundLogger:
"""Configure structured JSON logging for the MCP server.
Returns:
Configured structlog logger instance
"""
# Configure structlog to use standard library logging
structlog.configure(
processors=[
# Add timestamp to every log record
structlog.stdlib.add_log_level,
structlog.processors.TimeStamper(fmt="iso"),
# Add structured context
structlog.processors.StackInfoRenderer(),
structlog.processors.format_exc_info,
# Convert to JSON
structlog.processors.JSONRenderer()
],
wrapper_class=structlog.stdlib.BoundLogger,
logger_factory=structlog.stdlib.LoggerFactory(),
context_class=dict,
cache_logger_on_first_use=True,
)
# Configure standard library logging to output to stderr
logging.basicConfig(
format="%(message)s",
stream=sys.stderr,
level=logging.INFO,
)
# Create and return the logger
logger = structlog.get_logger("prometheus_mcp_server")
return logger
def get_logger() -> structlog.BoundLogger:
"""Get the configured logger instance.
Returns:
Configured structlog logger instance
"""
return structlog.get_logger("prometheus_mcp_server")