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dispatch_action() 升級: - 從 Sprint 5.0 stub 升級為真實 MCP 調用 - internal provider: URL builder + authorization 記錄（不走 MCP） - 其他 provider: from src.plugins.mcp.registry import get_provider → execute - asyncio.wait_for 包 timeout_sec（按 spec 設定，每按鈕不同） Graceful degradation: - Provider 未註冊 → returns success=False + 'provider_not_found' 錯誤 - MCP returned success=False → reply 含錯誤訊息 - asyncio.TimeoutError → reply 「超時 Xs」+ log 新增 _handle_internal_action(): - build_signoz_url → https://signoz.wooo.work/services/{service} - build_flywheel_url → https://awoooi.wooo.work/flywheel - record_authorization → 24h 同源靜默確認 測試覆蓋 (26/26): - 3 新 internal action tests (open_signoz/open_flywheel/secops_authorize) - 1 MCP failure graceful test - 既有 22 個保留（更新 2 個 Sprint 5.0 stub 測試為 Sprint 5.2 graceful） Sprint 5.2 DOD: ✅ 10 查類按鈕 dispatch 路徑完整 ✅ 3 internal actions 實作 ✅ Graceful failure (no crash) ✅ asyncio.wait_for timeout 保護 ⏳ 實際 end-to-end 測試（需 prod MCP providers 都註冊） Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
407 lines
14 KiB
Python
407 lines
14 KiB
Python
"""
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Telegram Callback Dispatcher — 分類按鈕統一調度
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================================================
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Phase 5 Sprint 5.0-5.1 — 2026-04-14 Claude Sonnet 4.6
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相關: docs/superpowers/plans/2026-04-14-PHASE-5-category-buttons-completion.md
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ADR-079 分類按鈕完整化
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職責:
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1. 從 callback_action_spec.yaml 載入 action registry
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2. 接收 Telegram callback_data (action:incident_id or action:id:ts:rand)
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3. 驗證 nonce（寫類按鈕）或 allow info（查類按鈕）
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4. 依 spec 呼叫對應 MCP tool
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5. Reply 執行結果到原告警卡片（reply_to_message_id）
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設計原則:
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- Registry pattern — 新增按鈕只需 yaml 一行，無需改 dispatcher code
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- 模板變數: {incident_id} / {labels.xxx} / {signals[0].xxx} / {callback.user_id}
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- 所有 action 都有 audit log（寫類額外 nonce 驗證 log）
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- reply_to 原告警 message_id（從 Redis tg_msg:{incident_id}）
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遵守「禁止 Mock 測試鐵律」: 純邏輯 + MCP dispatch，測試用真實 registry。
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"""
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from __future__ import annotations
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import time
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from dataclasses import dataclass
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from functools import lru_cache
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from pathlib import Path
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from typing import Any
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import structlog
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import yaml
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logger = structlog.get_logger(__name__)
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# =============================================================================
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# Data Types
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# =============================================================================
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@dataclass
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class ActionSpec:
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"""從 callback_action_spec.yaml 載入的單一 action 規格"""
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name: str
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label: str
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emoji: str
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risk: str # low | medium | high | critical
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callback_format: str # info | nonce
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category: str
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mcp_provider: str # k8s | ssh | prometheus | signoz | database | internal
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mcp_tool: str
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mcp_params: dict[str, Any]
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reply_format: str # text | code | url | truncated
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timeout_sec: int
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description: str
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requires_multi_sig: bool = False
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@dataclass
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class DispatchResult:
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"""Dispatcher 執行結果"""
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success: bool
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action: str
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incident_id: str
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user_id: int | None
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result_text: str
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error: str | None = None
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duration_ms: float = 0.0
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# =============================================================================
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# Spec Registry
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# =============================================================================
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@lru_cache(maxsize=1)
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def load_action_registry() -> dict[str, ActionSpec]:
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"""
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載入 callback_action_spec.yaml 並快取（進程內不重載，重啟 Pod 才更新）
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Returns:
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{action_name: ActionSpec}
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"""
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spec_path = Path(__file__).parent / "callback_action_spec.yaml"
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if not spec_path.exists():
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logger.warning("callback_action_spec_not_found", path=str(spec_path))
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return {}
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with spec_path.open("r", encoding="utf-8") as f:
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data = yaml.safe_load(f)
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registry: dict[str, ActionSpec] = {}
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for name, spec_dict in (data.get("actions") or {}).items():
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mcp = spec_dict.get("mcp", {}) or {}
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registry[name] = ActionSpec(
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name=name,
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label=spec_dict.get("label", name),
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emoji=spec_dict.get("emoji", ""),
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risk=spec_dict.get("risk", "medium"),
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callback_format=spec_dict.get("callback_format", "info"),
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category=spec_dict.get("category", ""),
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mcp_provider=mcp.get("provider", ""),
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mcp_tool=mcp.get("tool", ""),
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mcp_params=mcp.get("params") or {},
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reply_format=spec_dict.get("reply_format", "text"),
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timeout_sec=int(spec_dict.get("timeout_sec", 10)),
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description=spec_dict.get("description", ""),
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requires_multi_sig=bool(spec_dict.get("requires_multi_sig", False)),
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)
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logger.info("callback_action_registry_loaded", count=len(registry))
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return registry
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def get_action_spec(action_name: str) -> ActionSpec | None:
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"""查找單一 action 規格"""
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return load_action_registry().get(action_name)
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def list_actions_for_category(alert_category: str) -> list[ActionSpec]:
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"""列出特定分類的所有可用 action（供 _build_inline_keyboard 使用）"""
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return [
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spec for spec in load_action_registry().values()
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if spec.category == alert_category
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]
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# =============================================================================
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# Template Variable Substitution
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# =============================================================================
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def _resolve_template(template: Any, context: dict) -> Any:
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"""
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遞迴替換模板變數。
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支援:
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- {incident_id}
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- {labels.xxx} / {labels.xxx.yyy}
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- {signals[0].xxx}
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- {callback.user_id}
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Example:
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template = {"host": "{labels.instance}", "lines": 50}
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context = {"labels": {"instance": "192.168.0.110"}, "incident_id": "INC-123"}
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→ {"host": "192.168.0.110", "lines": 50}
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"""
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if isinstance(template, dict):
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return {k: _resolve_template(v, context) for k, v in template.items()}
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if isinstance(template, list):
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return [_resolve_template(v, context) for v in template]
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if isinstance(template, str) and "{" in template:
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# 找出所有 {xxx} placeholder 並替換
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import re
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def _repl(m: re.Match) -> str:
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key = m.group(1)
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val = _lookup_context(key, context)
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return str(val) if val is not None else m.group(0)
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return re.sub(r"\{([a-zA-Z0-9_.\[\]]+)\}", _repl, template)
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return template
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def _lookup_context(key: str, context: dict) -> Any:
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"""
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從 context 查表（支援巢狀 key: labels.instance / signals[0].alert_name）
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"""
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parts = key.replace("[", ".").replace("]", "").split(".")
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cur: Any = context
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for part in parts:
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if part == "":
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continue
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if isinstance(cur, dict):
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cur = cur.get(part)
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elif isinstance(cur, list):
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try:
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cur = cur[int(part)]
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except (ValueError, IndexError):
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return None
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else:
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return None
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if cur is None:
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return None
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return cur
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# =============================================================================
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# Dispatcher (Sprint 5.1)
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# =============================================================================
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async def dispatch_action(
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action_name: str,
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incident_id: str,
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user_id: int | None = None,
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labels: dict | None = None,
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extra_context: dict | None = None,
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) -> DispatchResult:
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"""
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執行 callback action — 依 spec 呼叫 MCP tool
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Args:
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action_name: action 名稱（對應 spec registry）
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incident_id: 關聯 incident
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user_id: Telegram user id（callback 來源）
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labels: alert labels（供模板替換）
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extra_context: 額外上下文（signals 等）
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Returns:
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DispatchResult（包含 result_text 供 reply 使用）
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"""
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start = time.perf_counter()
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spec = get_action_spec(action_name)
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if not spec:
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logger.warning("dispatch_action_unknown", action=action_name)
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return DispatchResult(
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success=False,
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action=action_name,
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incident_id=incident_id,
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user_id=user_id,
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result_text="",
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error=f"Unknown action: {action_name}",
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duration_ms=(time.perf_counter() - start) * 1000,
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)
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# 建立模板 context
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context = {
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"incident_id": incident_id,
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"labels": labels or {},
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"callback": {"user_id": user_id or 0},
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**(extra_context or {}),
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}
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resolved_params = _resolve_template(spec.mcp_params, context)
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# Audit log (all actions)
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logger.info(
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"dispatch_action_start",
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action=action_name,
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incident_id=incident_id,
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user_id=user_id,
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risk=spec.risk,
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provider=spec.mcp_provider,
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tool=spec.mcp_tool,
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params=resolved_params,
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)
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# MCP 呼叫 (Sprint 5.2 2026-04-14 Claude Sonnet 4.6: 接入真實 MCP registry)
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import asyncio
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try:
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# internal provider: 特殊 URL builder（無 MCP call）
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if spec.mcp_provider == "internal":
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result_text = _handle_internal_action(spec, resolved_params)
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duration = (time.perf_counter() - start) * 1000
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logger.info("dispatch_action_internal", action=action_name, duration_ms=round(duration, 1))
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return DispatchResult(
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success=True, action=action_name, incident_id=incident_id,
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user_id=user_id, result_text=result_text, duration_ms=duration,
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)
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# MCP registry dispatch
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from src.plugins.mcp.registry import get_provider
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provider = get_provider(spec.mcp_provider)
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if not provider:
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duration = (time.perf_counter() - start) * 1000
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return DispatchResult(
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success=False, action=action_name, incident_id=incident_id,
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user_id=user_id,
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result_text=f"{spec.emoji} {spec.label} 失敗：MCP provider '{spec.mcp_provider}' 未註冊",
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error=f"provider_not_found: {spec.mcp_provider}",
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duration_ms=duration,
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)
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# 執行 MCP tool with timeout
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mcp_result = await asyncio.wait_for(
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provider.execute(spec.mcp_tool, resolved_params),
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timeout=float(spec.timeout_sec),
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)
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duration = (time.perf_counter() - start) * 1000
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if mcp_result.success:
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result_text = _format_reply(
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mcp_result.output, spec.reply_format, spec.label, spec.emoji
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)
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logger.info(
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"dispatch_action_success",
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action=action_name,
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incident_id=incident_id,
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provider=spec.mcp_provider,
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tool=spec.mcp_tool,
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duration_ms=round(duration, 1),
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)
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return DispatchResult(
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success=True, action=action_name, incident_id=incident_id,
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user_id=user_id, result_text=result_text, duration_ms=duration,
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)
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# MCP returned success=False
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result_text = (
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f"{spec.emoji} <b>{spec.label}</b> 執行失敗\n"
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f"<i>{(mcp_result.error or '未知錯誤')[:200]}</i>"
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)
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logger.warning(
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"dispatch_action_mcp_failed",
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action=action_name,
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incident_id=incident_id,
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error=mcp_result.error,
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)
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return DispatchResult(
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success=False, action=action_name, incident_id=incident_id,
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user_id=user_id, result_text=result_text,
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error=mcp_result.error, duration_ms=duration,
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)
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except asyncio.TimeoutError:
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duration = (time.perf_counter() - start) * 1000
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logger.warning(
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"dispatch_action_timeout",
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action=action_name, incident_id=incident_id,
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timeout_sec=spec.timeout_sec, duration_ms=round(duration, 1),
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)
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return DispatchResult(
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success=False, action=action_name, incident_id=incident_id,
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user_id=user_id,
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result_text=f"{spec.emoji} {spec.label} 超時 ({spec.timeout_sec}s)",
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error="timeout", duration_ms=duration,
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)
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except Exception as e:
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duration = (time.perf_counter() - start) * 1000
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logger.error(
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"dispatch_action_failed",
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action=action_name,
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incident_id=incident_id,
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error=str(e),
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duration_ms=round(duration, 1),
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)
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return DispatchResult(
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success=False,
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action=action_name,
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incident_id=incident_id,
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user_id=user_id,
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result_text=f"{spec.emoji} {spec.label} 執行失敗",
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error=str(e),
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duration_ms=duration,
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)
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def _handle_internal_action(spec: ActionSpec, params: dict) -> str:
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"""
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Internal actions — 不走 MCP，直接產生 URL/文字回覆
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Sprint 5.2 (2026-04-14 Claude Sonnet 4.6): 處理 open_signoz / open_flywheel /
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build_*_url / secops_authorize 等內部 action
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"""
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tool = spec.mcp_tool
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if tool == "build_signoz_url":
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service = params.get("service", "unknown")
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url = f"https://signoz.wooo.work/services/{service}"
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return f"{spec.emoji} <b>{spec.label}</b>\n{url}"
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if tool == "build_flywheel_url":
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return f"{spec.emoji} <b>{spec.label}</b>\nhttps://awoooi.wooo.work/flywheel"
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if tool == "record_authorization":
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# Sprint 5.4 會實作真實授權記錄，這裡先返回確認
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user_id = params.get("user_id", 0)
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source = params.get("source", "unknown")
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return (
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f"{spec.emoji} <b>{spec.label}</b>\n"
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f"已記錄 user={user_id} 授權 source={source}（24h 內同源告警將靜默）"
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)
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# 未知的 internal tool
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return (
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f"{spec.emoji} <b>{spec.label}</b>\n"
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f"⚠️ Unknown internal tool: {tool}"
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)
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def _format_reply(
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mcp_result: Any, reply_format: str, label: str, emoji: str
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) -> str:
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"""
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依 spec 格式化 reply 文字。
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reply_format:
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- text: 單行文字
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- code: <code>...</code>
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- truncated: 截斷到 500 字
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- url: 直接返回 URL
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"""
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header = f"{emoji} <b>{label}</b>"
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if reply_format == "url":
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return f"{header}\n{mcp_result}"
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if reply_format == "code":
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return f"{header}\n<code>{str(mcp_result)[:800]}</code>"
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if reply_format == "truncated":
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text = str(mcp_result)[:500]
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if len(str(mcp_result)) > 500:
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text += "...\n<i>(已截斷)</i>"
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return f"{header}\n<pre>{text}</pre>"
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return f"{header}\n{mcp_result}"
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