Ceph MCP Server

""" Ceph MCP Server Configuration Settings This module defines the configuration settings for the Ceph MCP Server using Pydantic. """ from enum import Enum from pydantic import FilePath, HttpUrl, SecretStr, field_validator from pydantic_extra_types.semantic_version import SemanticVersion as semver from pydantic_settings import BaseSettings, SettingsConfigDict # Define a custom Enum for log levels to ensure type safety class LogLevel(str, Enum): """Enumeration for log levels to ensure type safety.""" DEBUG = "DEBUG" INFO = "INFO" WARNING = "WARNING" ERROR = "ERROR" CRITICAL = "CRITICAL" class CephMCPSettings(BaseSettings): """ Centralized configuration for the Ceph MCP Server. This class uses Pydantic Settings to automatically load and validate configuration from environment variables, providing type safety and clear error messages if something is misconfigured. """ # Ceph Manager API Configuration ceph_manager_url: HttpUrl ceph_username: str ceph_password: SecretStr ceph_ssl_verify: bool = True ceph_cert_path: FilePath | None = None @field_validator("ceph_cert_path", mode="before") @classmethod def empty_str_to_none(cls, v: str | None) -> str | None: """ Convert empty strings to None for file paths. This is useful for optional file paths that may not be set. """ if v == "" or v is None: return None return v # MCP Server Identity server_host: str = "0.0.0.0" server_port: int = 8000 mcp_server_name: str = "ceph-storage-assistant" mcp_server_version: semver # Operational Settings log_level: LogLevel = LogLevel.INFO log_format: str = "json" max_requests_per_minute: int = 60 cache_ttl_seconds: int = 30 # Ceph client HTTP connection Settings request_timeout_seconds: int = 5 max_retries: int = 3 # Pydantic Settings configuration model_config = SettingsConfigDict( env_file=".env", env_file_encoding="utf-8", case_sensitive=False, extra="ignore" ) # Global settings instance that can be imported # throughout the application settings = CephMCPSettings() # type: ignore[call-arg] def get_ssl_context() -> bool | str: """ Configure SSL context for HTTP requests to Ceph. This function handles the complexity of SSL configuration, including development scenarios where you might need to disable certificate verification. """ if not settings.ceph_ssl_verify: # In development, need this for self-signed certificates return False if settings.ceph_cert_path: # Use custom certificate if provided return str(settings.ceph_cert_path) # Use system default certificate validation return True