26 lines
894 B
Python
26 lines
894 B
Python
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"""Infrastructure readiness distinct from lightweight process liveness.
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Do not expose DB DSNs, Redis endpoints or filesystem paths in the public response.
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Redis wake-ups are optional and are not a readiness requirement.
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"""
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from pathlib import Path
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import tempfile
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from . import db
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def readiness() -> bool:
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try:
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# SELECT 1 works on SQLite and PostgreSQL and checks actual connectivity.
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with db.connect() as conn:
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if conn.execute('SELECT 1 AS ready').fetchone()[0] != 1:
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return False
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data=Path(db.DATA)
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data.mkdir(parents=True,exist_ok=True)
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# Build artifacts and job results require writable shared storage.
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with tempfile.NamedTemporaryFile(dir=data, prefix='.ready-', delete=True) as probe:
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probe.write(b'1')
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probe.flush()
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return True
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except Exception:
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return False
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