""" Approval Execution Service - Phase 16 R4.2 瘦身 Router 抽取 ============================================================ 從 approvals.py 抽取執行編排邏輯,整合: - OperationParser: 解析操作類型 - K8s Executor: 執行 K8s 操作 - ApprovalDBService: 更新狀態 - TimelineService: 記錄事件 - NotificationManager: 發送通知 - Phase 7.6: Playbook 自動萃取 版本: v1.2 建立: 2026-03-25 (台北時區) 更新: 2026-03-26 (Phase 7.6 自動萃取) 更新: 2026-04-14 (ADR-076 Task 3: 執行失敗重試機制 — Claude Haiku 4.5 Asia/Taipei) 建立者: Claude Code (Phase 16 R4.2) 重試設計 (ADR-076): - MAX_RETRY = 2 次(共最多 3 次嘗試) - RETRY_DELAY_SECONDS = 30 秒 - 只重試瞬態錯誤(connection refused, timeout, i/o error 等) - 永久性錯誤(not found, permission denied, already exists)不重試 """ import asyncio from typing import TYPE_CHECKING import structlog from src.core.config import settings from src.models.approval import ApprovalRequest from src.services.approval_db import get_approval_service, get_timeline_service from src.services.executor import get_executor from src.services.operation_parser import parse_operation_from_action if TYPE_CHECKING: from src.services.notifications import ExecutionStatus logger = structlog.get_logger(__name__) class ApprovalExecutionService: """ 授權執行服務 - 編排整個執行流程 職責: 1. 解析操作類型 2. 呼叫 K8s Executor 執行(含重試) 3. 更新資料庫狀態 4. 記錄 Timeline 事件 5. 發送通知 """ # ADR-076 Task 3: 重試常數 MAX_RETRY: int = 2 RETRY_DELAY_SECONDS: int = 30 # 瞬態錯誤關鍵字(小寫比對),符合任一 → 可重試 _TRANSIENT_ERROR_KEYWORDS: tuple[str, ...] = ( "connection refused", "connection reset", "timeout", "timed out", "i/o error", "io error", "temporary failure", "service unavailable", "too many requests", "dial tcp", "eof", ) # 永久性錯誤關鍵字(小寫比對),符合任一 → 不重試 _PERMANENT_ERROR_KEYWORDS: tuple[str, ...] = ( "not found", "forbidden", "permission denied", "unauthorized", "already exists", "invalid", "immutable", "destructive", "blocked", ) @classmethod def _is_transient_error(cls, error_message: str | None) -> bool: """ 判斷執行錯誤是否為瞬態(可重試) 優先檢查永久性錯誤(比瞬態錯誤有更高的優先順序), 避免 "connection refused (not found)" 這類混合訊息誤判。 Args: error_message: 執行錯誤訊息 Returns: True 表示可重試,False 表示永久失敗 """ if not error_message: return False lower = error_message.lower() # 永久性錯誤 → 不重試 if any(kw in lower for kw in cls._PERMANENT_ERROR_KEYWORDS): return False # 瞬態錯誤 → 可重試 return any(kw in lower for kw in cls._TRANSIENT_ERROR_KEYWORDS) async def execute_approved_action(self, approval: ApprovalRequest) -> None: """ 背景執行已批准的操作 此函數由 BackgroundTasks 呼叫,不阻塞 API 回應 Phase 5: 執行後更新資料庫狀態 Phase 6: 執行後發送通知 (Post-Execution Hook) Args: approval: 已批准的授權請求 """ from src.services.notifications import ExecutionStatus logger.info( "background_execution_start", approval_id=str(approval.id), action=approval.action, ) service = get_approval_service() timeline = get_timeline_service() # Parse operation details parsed = parse_operation_from_action(approval.action) operation_type = parsed.operation_type resource_name = parsed.resource_name namespace = parsed.namespace if operation_type is None or resource_name is None: logger.warning( "background_execution_skip", approval_id=str(approval.id), reason="Could not parse operation type from action", action=approval.action, ) # Phase 5: 更新資料庫狀態 await service.update_execution_status(approval.id, success=False) await timeline.add_event( event_type="exec", status="error", title="執行失敗: 無法解析操作類型", description=f"Action: {approval.action}", actor="leWOOOgo", actor_role="executor", approval_id=str(approval.id), ) # Phase 6: 發送失敗通知 (fire-and-forget) asyncio.create_task( self._send_execution_notification( approval=approval, execution_status=ExecutionStatus.FAILED, operation_type="unknown", namespace=namespace, error_message="Could not parse operation type", ) ) return # ADR-076 Task 3: 執行失敗重試機制 # 瞬態錯誤 (connection refused, timeout 等) 自動重試,最多 MAX_RETRY 次 executor = get_executor() result = await executor.execute_with_audit( approval=approval, operation_type=operation_type, resource_name=resource_name, namespace=namespace, ) attempt = 1 while not result.success and attempt <= self.MAX_RETRY: if not self._is_transient_error(result.error): logger.info( "execution_retry_skipped_permanent_error", approval_id=str(approval.id), attempt=attempt, error=result.error, ) break logger.warning( "execution_retry_transient_error", approval_id=str(approval.id), attempt=attempt, max_retry=self.MAX_RETRY, error=result.error, delay_seconds=self.RETRY_DELAY_SECONDS, ) await timeline.add_event( event_type="exec", status="warning", title=f"⚠️ 執行失敗,{self.RETRY_DELAY_SECONDS}s 後重試 ({attempt}/{self.MAX_RETRY})", description=f"Error: {result.error}", actor="leWOOOgo", actor_role="executor", approval_id=str(approval.id), ) await asyncio.sleep(self.RETRY_DELAY_SECONDS) result = await executor.execute_with_audit( approval=approval, operation_type=operation_type, resource_name=resource_name, namespace=namespace, ) attempt += 1 # Phase 5: 更新資料庫狀態 await service.update_execution_status(approval.id, success=result.success) # Update approval status based on result total_attempts = attempt # attempt 在重試迴圈後為最終嘗試次數 if result.success: logger.info( "background_execution_success", approval_id=str(approval.id), operation=operation_type.value, target=resource_name, namespace=namespace, duration_ms=result.duration_ms, total_attempts=total_attempts, ) retry_note = f" (重試 {total_attempts - 1} 次後成功)" if total_attempts > 1 else "" await timeline.add_event( event_type="exec", status="success", title=f"✅ K8s 執行成功: {operation_type.value}{retry_note}", description=f"Target: {resource_name} @ {namespace} ({result.duration_ms}ms)", actor="leWOOOgo", actor_role="executor", approval_id=str(approval.id), ) # Phase 6: 發送成功通知 (fire-and-forget) asyncio.create_task( self._send_execution_notification( approval=approval, execution_status=ExecutionStatus.SUCCESS, operation_type=operation_type.value, namespace=namespace, duration_ms=result.duration_ms, ) ) # 2026-04-14 Claude Sonnet 4.6: reply_to 原告警卡片顯示執行結果 # auto_approve 路徑由 _push_auto_repair_result 處理,此處僅處理人工批准 asyncio.create_task( self._push_execution_result_to_alert(approval, success=True, error=None) ) # Phase 7.6: 觸發 Playbook 自動萃取 (fire-and-forget) asyncio.create_task( self._trigger_playbook_extraction(approval) ) # ADR-030 Phase 5 / ADR-083 Phase 3: 觸發學習服務 # Phase 3 修復:移除 fire-and-forget,改用 await + 30s 熔斷 # 超時 → 記錄 metric,主流程繼續(不 crash) # 2026-04-15 ogt + Claude Sonnet 4.6(亞太): Phase 3 fire-and-forget 修復 try: await asyncio.wait_for( self._trigger_learning( approval=approval, success=True, duration_seconds=result.duration_ms / 1000 if result.duration_ms else 0, ), timeout=30.0, ) except asyncio.TimeoutError: logger.warning( "learning_trigger_timeout", approval_id=str(approval.id), timeout_sec=30.0, ) # ADR-081 Phase 1: 執行後驗證 (fire-and-forget) # PostExecutionVerifier 等待 K8s 收斂後抓取後狀態,補填 EvidenceSnapshot from src.core.feature_flags import aiops_flags if aiops_flags.is_sub_flag_enabled("AIOPS_P1_POST_EXECUTION_VERIFIER"): asyncio.create_task( self._run_post_execution_verify( approval=approval, action_taken=f"{operation_type.value}:{resource_name}", ) ) # 2026-04-07 Claude Code: Sprint 4 B3 — 記錄人工批准處置類型 try: anomaly_key = await self._get_anomaly_key_from_approval(approval) if anomaly_key: from src.services.anomaly_counter import get_anomaly_counter counter = get_anomaly_counter() await counter.record_disposition(anomaly_key, "human_approved") except Exception as _disp_e: logger.warning("disposition_record_failed", error=str(_disp_e)) # ADR-073 修補: 執行成功 → 解決 Incident → 觸發 KM 轉換 # 之前 RESOLVED 從未被呼叫,導致 KM 永遠不生成、Playbook 永遠是 0 if approval.incident_id: try: from src.services.incident_service import get_incident_service _inc_svc = get_incident_service() await _inc_svc.resolve_incident(approval.incident_id) logger.info( "incident_resolved_after_execution", incident_id=approval.incident_id, approval_id=str(approval.id), ) except Exception as _resolve_e: logger.warning("incident_resolve_after_execution_failed", error=str(_resolve_e)) else: logger.error( "background_execution_failed", approval_id=str(approval.id), operation=operation_type.value, target=resource_name, namespace=namespace, error=result.error, ) await timeline.add_event( event_type="exec", status="error", title=f"❌ K8s 執行失敗: {operation_type.value}", description=f"Error: {result.error}", actor="leWOOOgo", actor_role="executor", approval_id=str(approval.id), ) # Phase 6: 發送失敗通知 (fire-and-forget, 包含 Dry-Run 攔截) exec_status = ( ExecutionStatus.DRY_RUN_BLOCKED if "not found" in (result.error or "") else ExecutionStatus.FAILED ) asyncio.create_task( self._send_execution_notification( approval=approval, execution_status=exec_status, operation_type=operation_type.value, namespace=namespace, error_message=result.error, duration_ms=result.duration_ms, ) ) # 2026-04-14 Claude Sonnet 4.6: reply_to 原告警卡片顯示失敗結果 asyncio.create_task( self._push_execution_result_to_alert( approval, success=False, error=result.error ) ) # ADR-030 Phase 5 / ADR-083 Phase 3: 觸發學習服務(失敗案例) # Phase 3 修復:fire-and-forget → await + 30s 熔斷 # 2026-04-15 ogt + Claude Sonnet 4.6(亞太): Phase 3 fire-and-forget 修復 try: await asyncio.wait_for( self._trigger_learning( approval=approval, success=False, error_message=result.error, duration_seconds=result.duration_ms / 1000 if result.duration_ms else 0, ), timeout=30.0, ) except asyncio.TimeoutError: logger.warning( "learning_trigger_timeout", approval_id=str(approval.id), timeout_sec=30.0, ) async def _push_execution_result_to_alert( self, approval: ApprovalRequest, success: bool, error: str | None, ) -> None: """ 執行結果回覆到原告警 Telegram 卡片(reply_to_message_id) 2026-04-14 Claude Sonnet 4.6 實裝: - 人工路徑:人類在 Telegram 點批准後,等執行完成,在原告警下 reply 執行結果 - 自動路徑 (requested_by=auto_approve) 由 _push_auto_repair_result 處理,此處 skip 透過 Redis tg_msg:{incident_id} 查原告警 message_id,找不到則靜默不發。 """ try: # 自動執行路徑 skip(避免與 _push_auto_repair_result 重複發訊息) if (approval.requested_by or "").lower() == "auto_approve": return if not approval.incident_id: return from src.core.redis_client import get_redis redis = get_redis() msg_id_raw = await redis.get(f"tg_msg:{approval.incident_id}") if not msg_id_raw: logger.debug( "push_execution_result_no_msg_id", incident_id=approval.incident_id, approval_id=str(approval.id), ) return try: orig_msg_id = int(msg_id_raw) except (TypeError, ValueError): return from src.core.config import get_settings from src.services.telegram_gateway import get_telegram_gateway settings = get_settings() gateway = get_telegram_gateway() if success: text = f"✅ 執行成功\n{(approval.action or '')[:180]}" else: err_short = (error or "未知錯誤")[:150] text = f"❌ 執行失敗\n{(approval.action or '')[:180]}\n原因: {err_short}" await gateway._http_client.post( f"https://api.telegram.org/bot{settings.OPENCLAW_TG_BOT_TOKEN}/sendMessage", json={ "chat_id": settings.OPENCLAW_TG_CHAT_ID, "text": text, "parse_mode": "HTML", "reply_to_message_id": orig_msg_id, }, ) logger.info( "push_execution_result_sent", incident_id=approval.incident_id, approval_id=str(approval.id), success=success, orig_msg_id=orig_msg_id, ) except Exception as e: logger.warning( "push_execution_result_failed", approval_id=str(approval.id), error=str(e), ) async def _get_anomaly_key_from_approval(self, approval: ApprovalRequest) -> str | None: """ 從 approval → incident → anomaly_key。 2026-04-07 Claude Code: I1+S1 Fix — 委託 AnomalyCounter.derive_key_from_incident() """ try: if not approval.incident_id: return None from src.services.incident_service import get_incident_service incident_service = get_incident_service() incident = await incident_service.get_from_working_memory(approval.incident_id) if not incident: return None from src.services.anomaly_counter import AnomalyCounter return AnomalyCounter.derive_key_from_incident(incident) except Exception as e: logger.warning("get_anomaly_key_from_approval_failed", error=str(e)) return None async def _trigger_learning( self, approval: ApprovalRequest, success: bool, duration_seconds: float = 0, error_message: str | None = None, ) -> None: """ ADR-030 Phase 5: 觸發學習服務 處理執行結果,調整信任度和 Playbook 統計 """ try: from src.services.learning_service import ( ExecutionResult, get_learning_service, ) learning = get_learning_service() result = ExecutionResult( approval_id=str(approval.id), incident_id=approval.incident_id or "", action=approval.action, success=success, error_message=error_message, duration_seconds=duration_seconds, ) await learning.process_execution_result( approval=approval, result=result, ) except Exception as e: # 學習失敗不影響主流程 logger.warning( "learning_trigger_failed", approval_id=str(approval.id), error=str(e), ) # 2026-04-04 ogt: 執行結果沉澱到 KM — 移出 try/except 確保 learning 失敗也寫入 # 統帥鐵律: 所有異常與自動修復紀錄必須回寫 KM asyncio.create_task( self._write_execution_result_to_km(approval, success, error_message) ) async def _run_post_execution_verify( self, approval: "ApprovalRequest", action_taken: str, ) -> None: """ ADR-081 Phase 1: 執行後驗證 (fire-and-forget 包裝) 1. 從 incident_id 查 Incident 2. 從 incident_evidence 取最新 EvidenceSnapshot 3. 呼叫 PostExecutionVerifier.verify() 補填後狀態 + 驗證結果 4. 結果傳給 learning_service 更新 Playbook trust_score(Phase 3) """ if not approval.incident_id: return try: from src.services.incident_service import get_incident_service from src.services.post_execution_verifier import get_post_execution_verifier from src.services.evidence_snapshot import EvidenceSnapshot incident_svc = get_incident_service() incident = await incident_svc.get_incident(approval.incident_id) if incident is None: logger.warning( "post_verify_incident_not_found", approval_id=str(approval.id), incident_id=approval.incident_id, ) return # 取最新 EvidenceSnapshot(若 Phase 1 flag 有啟動才會有) snapshot = await EvidenceSnapshot.get_latest_snapshot(approval.incident_id) verifier = get_post_execution_verifier() verification_result = await verifier.verify( incident=incident, snapshot=snapshot, action_taken=action_taken, ) logger.info( "post_verify_complete", approval_id=str(approval.id), incident_id=approval.incident_id, result=verification_result, action=action_taken, ) # ADR-083 Phase 3 Root cause 3: 驗證結果接線到學習服務 # 環境驗證(Pod Running / 指標恢復)是比執行 exit code 更精確的學習訊號 # 2026-04-15 ogt + Claude Sonnet 4.6(亞太) try: from src.services.learning_service import get_learning_service _matched_pb_id = getattr(approval, "matched_playbook_id", None) await get_learning_service().record_verification_result( incident_id=approval.incident_id, action_taken=action_taken, verification_result=verification_result, matched_playbook_id=_matched_pb_id, ) except Exception as _lerr: logger.warning( "post_verify_learning_failed", approval_id=str(approval.id), error=str(_lerr), ) except Exception as _e: # 驗證失敗不影響執行結果 logger.warning( "post_verify_failed", approval_id=str(approval.id), error=str(_e), ) async def _write_execution_result_to_km( self, approval: "ApprovalRequest", success: bool, error_message: str | None, ) -> None: """ 執行結果沉澱到 KM (Knowledge Base) 2026-04-04 ogt: 統帥鐵律 — 成功/失敗執行記錄都必須回寫 KM 2026-04-14 Claude Sonnet 4.6 (BP-1 B.1 精修): 區分 auto_approve vs 人工路徑, 補齊 alert_category / alertname / affected_services 供 RAG 檢索。 """ try: from src.models.knowledge import EntrySource, EntryType, KnowledgeEntryCreate from src.services.knowledge_service import get_knowledge_service # 來源辨識(B.1 精修) _is_auto = (approval.requested_by or "").lower() == "auto_approve" _mode_prefix = "[自動修復]" if _is_auto else "[人工修復]" _mode_tag = "auto_executed" if _is_auto else "human_approved" status_icon = "✅" if success else "❌" status_text = "成功" if success else f"失敗: {error_message or '未知原因'}" _status_tag = "success" if success else "failure" # 從關聯 Incident 提取豐富元資料 alertname = "unknown" alert_category = "general" affected_services: list[str] = [] if approval.incident_id: try: from src.services.incident_service import get_incident_service _inc = await get_incident_service().get_incident(approval.incident_id) if _inc: if _inc.signals: alertname = _inc.signals[0].labels.get("alertname", "unknown") or "unknown" alert_category = getattr(_inc, "alert_category", "") or "general" affected_services = list(_inc.affected_services or []) except Exception as _ie: logger.debug("km_incident_enrich_failed", incident_id=approval.incident_id, error=str(_ie)) _services_str = ", ".join(affected_services) if affected_services else "未關聯" content = ( f"# {status_icon} {_mode_prefix} {alertname}\n\n" f"**告警名稱**: {alertname}\n" f"**告警類別**: {alert_category}\n" f"**受影響服務**: {_services_str}\n" f"**執行命令**: `{approval.action[:200]}`\n" f"**執行結果**: {status_text}\n" f"**風險等級**: {approval.risk_level.value if approval.risk_level else '未知'}\n" f"**執行路徑**: {'自動執行 (confidence >= 0.65)' if _is_auto else '人工審核批准'}\n" f"**Incident ID**: {approval.incident_id or '未關聯'}\n" f"**Approval ID**: {approval.id}\n\n" f"## 操作描述\n{approval.description or '無描述'}\n" ) # Tags: 模式 + 狀態 + 類別(供 RAG 多維度檢索) tags = [_mode_tag, _status_tag, alert_category, "execution"] if not success: tags.append("execution_failed") entry_data = KnowledgeEntryCreate( title=f"{_mode_prefix} {alertname}: {approval.action[:50]}", content=content, entry_type=EntryType.INCIDENT_CASE, category=alert_category, # 用真實類別取代硬編 "execution_result" tags=tags, source=EntrySource.AI_EXTRACTED, related_incident_id=approval.incident_id or None, created_by="auto_execute" if _is_auto else "approval_execution", ) await get_knowledge_service().create_entry(entry_data) logger.info( "execution_result_written_to_km", approval_id=str(approval.id), incident_id=approval.incident_id, alertname=alertname, alert_category=alert_category, mode=_mode_tag, success=success, ) except Exception as e: logger.warning( "execution_result_km_write_failed", approval_id=str(approval.id), error=str(e), ) async def _send_execution_notification( self, approval: ApprovalRequest, execution_status: "ExecutionStatus", operation_type: str, namespace: str, duration_ms: int | None = None, error_message: str | None = None, ) -> None: """ Phase 6: 發送執行通知 (Post-Execution Hook) 將執行結果發送至所有已配置的通知頻道 (Discord, Slack, etc.) """ from src.services.notifications import ( NotificationMessage, get_notification_manager, ) if not settings.NOTIFICATION_ENABLED: logger.info("notification_disabled", approval_id=str(approval.id)) return try: # 建構簽核者列表 signers = [ {"name": sig.signer_name, "comment": sig.comment or ""} for sig in approval.signatures ] # 建構通知訊息 message = NotificationMessage( execution_status=execution_status, action_title=approval.action[:100], action_description=approval.description[:200] if approval.description else "", approval_id=str(approval.id), signers=signers, required_signatures=approval.required_signatures, affected_pods=approval.blast_radius.affected_pods if approval.blast_radius else 0, estimated_downtime=approval.blast_radius.estimated_downtime if approval.blast_radius else "N/A", related_services=approval.blast_radius.related_services if approval.blast_radius else [], data_impact=approval.blast_radius.data_impact.value if approval.blast_radius else "none", namespace=namespace, operation_type=operation_type, duration_ms=duration_ms, error_message=error_message, risk_level=approval.risk_level.value, ai_provider=approval.requested_by, ) # 發送通知 manager = get_notification_manager() results = await manager.send_all(message) for result in results: logger.info( "notification_result", approval_id=str(approval.id), provider=result.provider, status=result.status.value, message=result.message, ) except Exception as e: logger.exception( "notification_failed", approval_id=str(approval.id), error=str(e), ) async def _trigger_playbook_extraction( self, approval: ApprovalRequest, ) -> None: """ Phase 7.6: 觸發 Playbook 自動萃取 條件: - 執行成功 - 關聯的 Incident 狀態為 RESOLVED 或 CLOSED - effectiveness_score >= 4 此函數為 fire-and-forget,失敗不影響主流程 """ try: # 1. 從 approval.incident_id 直接取得 (Phase 26 修復) # 原本靠 regex 掃文字找 INC- 前綴,中文 action 完全找不到 incident_id = getattr(approval, "incident_id", None) if not incident_id: # Fallback: 嘗試文字解析 (向後兼容舊資料) incident_id = self._extract_incident_id_from_approval(approval) if not incident_id: logger.info( "playbook_extraction_skipped", approval_id=str(approval.id), reason="No incident_id found in approval.incident_id or text", ) return # 2. 取得 Incident from src.services.incident_service import get_incident_service incident_service = get_incident_service() incident = await incident_service.get_incident(incident_id) if not incident: logger.info( "playbook_extraction_skipped", approval_id=str(approval.id), incident_id=incident_id, reason="Incident not found", ) return # 3. 執行成功後自動設定 outcome (冷啟動關鍵) # 2026-04-04 ogt: 首席架構師 Review — 補上 execution_success + effectiveness_score # 確保 Playbook 萃取前置條件能成立,不再依賴人工填分 from src.models.incident import IncidentOutcome, IncidentStatus from src.utils.timezone import now_taipei if incident.outcome is None: incident.outcome = IncidentOutcome() if not incident.outcome.execution_success: incident.outcome.execution_success = True if incident.outcome.effectiveness_score is None or incident.outcome.effectiveness_score < 4: incident.outcome.effectiveness_score = 4 # 系統判斷:K8s 執行成功 = 有效 if incident.status not in [IncidentStatus.RESOLVED, IncidentStatus.CLOSED]: incident.status = IncidentStatus.RESOLVED incident.resolved_at = now_taipei() # Task 3.3 (2026-04-14): 記錄執行動作供 SSH 路徑 KM 萃取 # approval.action 含實際執行指令(可能是 kubectl 或 ssh ...), # 寫入 learning_notes 供 playbook_service._extract_repair_steps 萃取 SSH RepairStep if not incident.outcome.learning_notes and approval.action: incident.outcome.learning_notes = approval.action # 回存 Incident(fire-and-forget 路徑,失敗不影響主流程) await incident_service.save_to_working_memory(incident) logger.info( "playbook_extraction_incident_updated", approval_id=str(approval.id), incident_id=incident_id, effectiveness_score=incident.outcome.effectiveness_score, status=incident.status.value, ) # 4. 觸發萃取(effectiveness 已保證 >= 4) from src.services.playbook_service import get_playbook_service playbook_service = get_playbook_service() effectiveness = incident.outcome.effectiveness_score or 4 playbook = await playbook_service.extract_from_incident( incident=incident, auto_approve=effectiveness >= 5, # 滿分自動核准 ) if playbook: logger.info( "playbook_auto_extracted", approval_id=str(approval.id), incident_id=incident_id, playbook_id=playbook.playbook_id, playbook_name=playbook.name, auto_approved=playbook.status.value == "approved", ) else: logger.debug( "playbook_extraction_no_result", approval_id=str(approval.id), incident_id=incident_id, ) except Exception as e: # 萃取失敗不影響主流程 logger.warning( "playbook_extraction_error", approval_id=str(approval.id), error=str(e), ) def _extract_incident_id_from_approval( self, approval: ApprovalRequest, ) -> str | None: """ 從 approval 提取關聯的 incident_id 嘗試以下來源: 1. approval.metadata (如果有) 2. approval.description 中的 INC- 模式 3. approval.requested_by 中的 incident 資訊 """ import re # 從 description 或 action 中尋找 INC-XXXXXX 模式 text = f"{approval.description or ''} {approval.action or ''}" match = re.search(r"INC-([A-Z0-9-]+)", text) if match: return match.group(0) # 返回完整的 INC-XXXXX # 從 requested_by 尋找 if approval.requested_by and "INC-" in approval.requested_by: match = re.search(r"INC-([A-Z0-9-]+)", approval.requested_by) if match: return match.group(0) return None # ============================================================================= # Singleton Instance # ============================================================================= _execution_service: ApprovalExecutionService | None = None def get_execution_service() -> ApprovalExecutionService: """ 取得 ApprovalExecutionService 單例 Returns: ApprovalExecutionService: 執行服務實例 """ global _execution_service if _execution_service is None: _execution_service = ApprovalExecutionService() return _execution_service