| """Fail-fast credential checks for the Vast.ai substrate (operator-side). | |
| Mirrors ``providers/runpod/preflight.py``: surfaces missing operator config as a clear | |
| problem list the control plane aggregates into one startup error. Vast is opt-in (it is | |
| only required when a run pins ``gpu.provider = "vast"`` or the operator enables it), so | |
| the only Vast-specific requirement is ``VAST_API_KEY``; HF_TOKEN is a shared run | |
| requirement checked once by the RunPod preflight (the HF dataset repo is per-run via | |
| ``[train] hf_repo``). | |
| """ | |
| from __future__ import annotations | |
| from flash.providers.vast.auth import load_api_key | |
| def missing_credentials(require_hf: bool = True) -> list[str]: | |
| """Vast-related operator config that is missing (empty list == ready). | |
| ``require_hf`` is accepted only for signature parity with the RunPod check and is | |
| intentionally ignored: Vast has no provider-owned HF requirement (the shared | |
| HF_TOKEN is checked once centrally in ``providers.preflight``). | |
| """ | |
| problems: list[str] = [] | |
| if not load_api_key(): | |
| problems.append(" - VAST_API_KEY: the operator's Vast.ai API key (for the vast provider)") | |
| return problems | |