secrets-engine/src/secrets_engine/config.py

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"""Runtime configuration resolved from environment and repo layout.
Nothing here is a secret. Backend auth (BAO_TOKEN / bootstrap token files) is
resolved lazily inside the backend adapter, never cached on disk by this module.
"""
from __future__ import annotations
import os
from dataclasses import dataclass
from pathlib import Path
def repo_root() -> Path:
"""Repo root = nearest ancestor containing pyproject.toml (fallback: cwd)."""
here = Path(__file__).resolve()
for parent in (here, *here.parents):
if (parent / "pyproject.toml").exists():
return parent
return Path.cwd()
@dataclass(frozen=True)
class Config:
catalog_dir: Path
policy_dir: Path
evidence_dir: Path
hub_url: str
bao_addr: str
topic_id: str
@classmethod
def load(cls) -> "Config":
root = repo_root()
return cls(
catalog_dir=Path(os.environ.get("SECRETS_ENGINE_CATALOG", root / "catalog")),
policy_dir=Path(os.environ.get("SECRETS_ENGINE_POLICIES", root / "policies")),
evidence_dir=Path(os.environ.get("SECRETS_ENGINE_EVIDENCE", root / ".evidence")),
hub_url=os.environ.get("SECRETS_ENGINE_HUB_URL", "http://127.0.0.1:8000"),
bao_addr=os.environ.get("BAO_ADDR", os.environ.get("VAULT_ADDR", "http://127.0.0.1:8200")),
topic_id=os.environ.get(
"SECRETS_ENGINE_TOPIC_ID", "cee7bedf-2b48-46ef-8601-006474f2ad7a"
),
)