65 lines
2.7 KiB
Python
65 lines
2.7 KiB
Python
import os
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from pathlib import Path
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from dotenv import load_dotenv
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# Calculate absolute path to the project root
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_ROOT: Path = Path(__file__).parent.parent.absolute()
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# Load .env.local first, then fallback to .env
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load_dotenv(_ROOT / ".env.local")
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load_dotenv(_ROOT / ".env")
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def _port(name: str, default: int) -> int:
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raw = os.environ.get(name, str(default))
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try:
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value = int(raw)
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except ValueError:
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raise ValueError(f"Environment variable '{name}' must be an integer, got '{raw}'.")
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if not (1 <= value <= 65535):
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raise ValueError(f"Environment variable '{name}' must be 1–65535, got {value}.")
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return value
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def _require_env(name: str) -> str:
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"""Return the env var value or raise at startup if it is unset or a known-bad default."""
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_KNOWN_BAD = {"fallback-secret-key-change-me", "admin", "secret", "password", "changeme"}
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value = os.environ.get(name)
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if not value:
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raise ValueError(
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f"Required environment variable '{name}' is not set. "
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f"Set it in .env.local or export it before starting DECNET."
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)
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if any(k.startswith("PYTEST") for k in os.environ):
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return value
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if value.lower() in _KNOWN_BAD:
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raise ValueError(
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f"Environment variable '{name}' is set to an insecure default ('{value}'). "
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f"Choose a strong, unique value before starting DECNET."
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)
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return value
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# API Options
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DECNET_API_HOST: str = os.environ.get("DECNET_API_HOST", "0.0.0.0") # nosec B104
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DECNET_API_PORT: int = _port("DECNET_API_PORT", 8000)
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DECNET_JWT_SECRET: str = _require_env("DECNET_JWT_SECRET")
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DECNET_INGEST_LOG_FILE: str | None = os.environ.get("DECNET_INGEST_LOG_FILE", "/var/log/decnet/decnet.log")
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# Web Dashboard Options
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DECNET_WEB_HOST: str = os.environ.get("DECNET_WEB_HOST", "0.0.0.0") # nosec B104
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DECNET_WEB_PORT: int = _port("DECNET_WEB_PORT", 8080)
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DECNET_ADMIN_USER: str = os.environ.get("DECNET_ADMIN_USER", "admin")
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DECNET_ADMIN_PASSWORD: str = os.environ.get("DECNET_ADMIN_PASSWORD", "admin")
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DECNET_DEVELOPER: bool = os.environ.get("DECNET_DEVELOPER", "False").lower() == "true"
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# CORS — comma-separated list of allowed origins for the web dashboard API.
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# Defaults to the configured web host/port. Override with DECNET_CORS_ORIGINS if needed.
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# Example: DECNET_CORS_ORIGINS=http://192.168.1.50:9090,https://dashboard.example.com
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_web_hostname: str = "localhost" if DECNET_WEB_HOST in ("0.0.0.0", "127.0.0.1", "::") else DECNET_WEB_HOST # nosec B104
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_cors_default: str = f"http://{_web_hostname}:{DECNET_WEB_PORT}"
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_cors_raw: str = os.environ.get("DECNET_CORS_ORIGINS", _cors_default)
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DECNET_CORS_ORIGINS: list[str] = [o.strip() for o in _cors_raw.split(",") if o.strip()]
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