qihongkun
d810abdcee
纳入 FastAPI 后端、Vue 管理端、MCP 桥接与文档；通过 .gitignore 排除本地数据库与构建产物。 Co-authored-by: Cursor <cursoragent@cursor.com>
127 lines
4.1 KiB
Python
127 lines
4.1 KiB
Python
"""Build General / Grafana Loki explore links from workflow run context."""
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from __future__ import annotations
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import json
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import os
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from datetime import datetime, timedelta, timezone
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from typing import Any
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from urllib.parse import quote
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def _parse_run_time(value: str | None) -> datetime:
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if not value:
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return datetime.now(timezone.utc)
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text = str(value).strip()
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if text.endswith("Z"):
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text = text[:-1] + "+00:00"
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try:
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parsed = datetime.fromisoformat(text)
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except ValueError:
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return datetime.now(timezone.utc)
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if parsed.tzinfo is None:
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parsed = parsed.replace(tzinfo=timezone.utc)
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return parsed.astimezone(timezone.utc)
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def _url_path_hint(url: str) -> str:
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text = str(url or "").strip()
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if not text:
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return ""
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if "://" in text:
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try:
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from urllib.parse import urlparse
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parsed = urlparse(text)
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return parsed.path or text
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except Exception:
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return text
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return text.split("?")[0]
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def _extract_http_request(node_result: dict[str, Any] | None) -> dict[str, str]:
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if not isinstance(node_result, dict):
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return {}
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output = node_result.get("output") or {}
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if not isinstance(output, dict):
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return {}
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request = output.get("request") or {}
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if not isinstance(request, dict):
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return {}
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method = str(request.get("method") or "GET").upper()
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url = str(request.get("url") or "")
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return {"method": method, "url": url, "path": _url_path_hint(url)}
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def _build_logql(method: str, url_path: str) -> str:
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service_label = os.getenv("LOKI_LABEL_SELECTOR", "").strip()
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if service_label:
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base = service_label
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else:
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service_key = os.getenv("LOKI_SERVICE_LABEL", "app").strip() or "app"
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service_value = os.getenv("LOKI_SERVICE_VALUE", "").strip() or "ai-auto-test"
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base = f'{{{service_key}="{service_value}"}}'
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filters: list[str] = [base]
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if url_path:
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escaped = url_path.replace('"', '\\"')
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filters.append(f'|= "{escaped}"')
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if method and method != "GET":
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filters.append(f'|= "{method}"')
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return " ".join(filters)
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def _build_grafana_explore_url(logql: str, time_from: datetime, time_to: datetime) -> str:
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base = (os.getenv("GENERAL_LOKI_EXPLORE_URL") or os.getenv("LOKI_EXPLORE_URL") or "").strip().rstrip("/")
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if not base:
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return ""
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datasource = os.getenv("LOKI_DATASOURCE", "Loki").strip() or "Loki"
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org_id = os.getenv("LOKI_ORG_ID", "1").strip() or "1"
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from_ms = int(time_from.timestamp() * 1000)
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to_ms = int(time_to.timestamp() * 1000)
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left = json.dumps(
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[str(from_ms), str(to_ms), datasource, {"expr": logql, "refId": "A"}],
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ensure_ascii=False,
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)
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return f"{base}?orgId={quote(org_id)}&left={quote(left)}"
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def build_run_loki_link(
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*,
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run_created_at: str | None,
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duration_ms: int = 0,
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node_result: dict[str, Any] | None = None,
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padding_seconds: int | None = None,
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) -> dict[str, Any]:
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"""Return explore URL + LogQL for a single HTTP node execution."""
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padding = int(padding_seconds or os.getenv("LOKI_TIME_PADDING_SECONDS", "120") or 120)
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started = _parse_run_time(run_created_at)
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ended = started + timedelta(milliseconds=max(duration_ms, 0))
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time_from = started - timedelta(seconds=padding)
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time_to = ended + timedelta(seconds=padding)
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http = _extract_http_request(node_result)
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method = http.get("method", "")
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url = http.get("url", "")
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path = http.get("path", "")
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logql = _build_logql(method, path)
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explore_url = _build_grafana_explore_url(logql, time_from, time_to)
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enabled = bool(explore_url)
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hint = "已生成 General Loki 查询链接，将按执行时间窗口与接口路径过滤日志。"
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if not enabled:
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hint = "未配置 GENERAL_LOKI_EXPLORE_URL / LOKI_EXPLORE_URL，请在环境变量中设置 General 探索页地址。"
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return {
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"enabled": enabled,
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"explore_url": explore_url,
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"logql": logql,
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"time_from": time_from.isoformat(),
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"time_to": time_to.isoformat(),
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"method": method,
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"url": url,
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"hint": hint,
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}
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