56 lines
1.7 KiB
Python
56 lines
1.7 KiB
Python
import logging
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import httpx
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from app.services.search import SearchResult
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logger = logging.getLogger(__name__)
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_SEVERITY_RANK = {"CRITICAL": 0, "ERROR": 1, "WARN": 2, "WARNING": 2}
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_PROMPT_TEMPLATE = """\
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You are a homelab diagnostic assistant. A user described a symptom and the system retrieved relevant log entries.
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Analyze the log entries below and write a 2-4 sentence plain-language diagnosis. Focus on errors and their likely root cause. Be specific and concise — name the services involved, not generic platitudes.
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User query: {query}
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Log entries ({n} shown, highest severity first):
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{log_block}
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Diagnosis:"""
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def _build_context(entries: list[SearchResult], max_entries: int = 25) -> str:
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ranked = sorted(
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entries,
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key=lambda e: (_SEVERITY_RANK.get(e.severity or "", 3), e.timestamp_iso or ""),
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)[:max_entries]
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return "\n".join(
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f"[{e.timestamp_iso or '?'}] [{e.severity or 'INFO'}] {e.text[:200]}"
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for e in ranked
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)
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def summarize(
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query: str,
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entries: list[SearchResult],
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llm_url: str,
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llm_model: str,
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timeout: float = 20.0,
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) -> str | None:
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if not entries:
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return None
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log_block = _build_context(entries)
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prompt = _PROMPT_TEMPLATE.format(query=query, n=min(len(entries), 25), log_block=log_block)
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try:
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resp = httpx.post(
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f"{llm_url.rstrip('/')}/api/generate",
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json={"model": llm_model, "prompt": prompt, "stream": False},
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timeout=timeout,
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)
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resp.raise_for_status()
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return resp.json().get("response", "").strip() or None
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except Exception as exc:
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logger.warning("LLM summarization failed (%s): %s", type(exc).__name__, exc)
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return None
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