7da64eaad2
ADR-083 Phase 3 學習閉環重建： **三根因修復** - approval_execution.py: fire-and-forget create_task → await asyncio.wait_for(timeout=30) × 2 （成功路徑 L265 + 失敗路徑 L353，超時記錄 learning_trigger_timeout metric，主流程不 crash） - models/approval.py: ApprovalRequestBase 新增 matched_playbook_id 欄位 - decision_manager.py: _auto_execute 建立 ApprovalRequest 時填充 matched_playbook_id - learning_service.py: 雙路徑查找 _matched_pb_id（matched_playbook_id + metadata fallback） **2x EWMA 負向強化** - models/playbook.py: 新增 trust_score: float = 0.3（EWMA 動態信任度欄位） - repositories/playbook_repository.py: update_stats 加 EWMA 成功: trust = 0.9 × old + 0.1 × 1.0 失敗: trust = 0.8 × old + 0.2 × 0.0（衰減速度 2x） trust < 0.1 → log warning，等 Evolver 封存 **Evolver Agent（新建）** - services/playbook_evolver.py: 三功能全靜態規則 1. 低信任封存: trust < 0.1 → DEPRECATED 2. 休眠封存: 30d 未使用 AND trust < 0.5 → DEPRECATED 3. 相似合併: 症狀 Jaccard > 0.9 → 保留高 trust，封存低 trust AIOPS_P3_EVOLVER_ENABLED=False 預設關閉 **文件** - ADR-083 學習閉環重建 - MASTER §8 Phase 3 完工記錄 AIOPS_P3_ENABLED=False（預設），骨架就位等統帥批准開啟 Co-Authored-By: Claude Sonnet 4.6（亞太）<noreply@anthropic.com>
312 lines
11 KiB
Python
312 lines
11 KiB
Python
"""
|
||
HITL Approval Models
|
||
====================
|
||
CISO-101: 授權請求與簽核資料模型
|
||
|
||
Features:
|
||
- 狀態機 (PENDING → APPROVED/REJECTED/EXPIRED)
|
||
- 風險等級判定 (LOW/MEDIUM/CRITICAL)
|
||
- Multi-Sig 簽核追蹤
|
||
- Pydantic 強型別驗證
|
||
"""
|
||
|
||
from datetime import datetime, timezone
|
||
from enum import Enum
|
||
from uuid import UUID, uuid4
|
||
|
||
from pydantic import BaseModel, Field
|
||
|
||
# =============================================================================
|
||
# Enums
|
||
# =============================================================================
|
||
|
||
class ApprovalStatus(str, Enum):
|
||
"""
|
||
授權請求狀態機
|
||
|
||
PENDING → APPROVED → EXECUTION_SUCCESS
|
||
→ EXECUTION_FAILED
|
||
PENDING → REJECTED
|
||
PENDING → EXPIRED
|
||
"""
|
||
PENDING = "pending" # 等待簽核
|
||
APPROVED = "approved" # 已批准 (滿足簽核數，準備執行)
|
||
REJECTED = "rejected" # 已拒絕
|
||
EXPIRED = "expired" # 已過期
|
||
EXECUTION_SUCCESS = "execution_success" # 執行成功
|
||
EXECUTION_FAILED = "execution_failed" # 執行失敗
|
||
|
||
|
||
class RiskLevel(str, Enum):
|
||
"""
|
||
風險等級 - 決定所需簽核人數
|
||
|
||
- LOW: 0 人，自動放行
|
||
- MEDIUM: 需 1 人簽核
|
||
- HIGH: 需 1 人簽核 (信任引擎可降級至 MEDIUM)
|
||
- CRITICAL: 需 2 人 Multi-Sig 雙重簽核 (永不降級)
|
||
|
||
變更紀錄:
|
||
- 2026-03-25: 新增 HIGH (Phase 16 R2 合併自 trust_engine.py)
|
||
"""
|
||
LOW = "low"
|
||
MEDIUM = "medium"
|
||
HIGH = "high" # Phase 16 R2: 從 trust_engine.py 合併 (2026-03-25)
|
||
CRITICAL = "critical"
|
||
|
||
|
||
class DataImpact(str, Enum):
|
||
"""資料影響類型"""
|
||
NONE = "none"
|
||
READ_ONLY = "read_only"
|
||
WRITE = "write"
|
||
DESTRUCTIVE = "destructive"
|
||
|
||
|
||
# =============================================================================
|
||
# Sub-models
|
||
# =============================================================================
|
||
|
||
class BlastRadius(BaseModel):
|
||
"""爆炸半徑 - 影響範圍評估"""
|
||
affected_pods: int = Field(default=0, ge=0)
|
||
estimated_downtime: str = Field(default="0")
|
||
related_services: list[str] = Field(default_factory=list)
|
||
data_impact: DataImpact = Field(default=DataImpact.NONE)
|
||
|
||
|
||
class DryRunCheck(BaseModel):
|
||
"""Dry-Run 預演檢查結果"""
|
||
name: str
|
||
passed: bool
|
||
message: str | None = None
|
||
|
||
|
||
class SignatureSource(str, Enum):
|
||
"""
|
||
簽核來源通道 (Phase 5.4.5: AuditLog 擴充)
|
||
|
||
用於追溯簽核是從哪個通道發起
|
||
"""
|
||
WEB = "web" # Web UI 簽核
|
||
TELEGRAM = "telegram" # Telegram 簽核
|
||
API = "api" # API 直接呼叫
|
||
SYSTEM = "system" # 系統自動 (LOW 風險)
|
||
|
||
|
||
class Signature(BaseModel):
|
||
"""
|
||
簽核記錄
|
||
|
||
Phase 5.4.5: 新增 Telegram 審計欄位
|
||
- source: 簽核來源通道
|
||
- telegram_user_id: Telegram User ID (永久追溯憑證)
|
||
- telegram_message_id: Telegram 訊息 ID
|
||
"""
|
||
id: UUID = Field(default_factory=uuid4)
|
||
signer_id: str = Field(..., description="簽核者 ID")
|
||
signer_name: str = Field(..., description="簽核者名稱")
|
||
signed_at: datetime = Field(default_factory=lambda: datetime.now(timezone.utc))
|
||
comment: str | None = None
|
||
|
||
# Phase 5.4.5: Telegram 審計軌跡
|
||
source: SignatureSource = Field(
|
||
default=SignatureSource.WEB,
|
||
description="簽核來源通道 (web/telegram/api/system)",
|
||
)
|
||
telegram_user_id: int | None = Field(
|
||
default=None,
|
||
description="Telegram User ID (永久追溯憑證)",
|
||
)
|
||
telegram_message_id: int | None = Field(
|
||
default=None,
|
||
description="Telegram 訊息 ID",
|
||
)
|
||
|
||
# [首席架構師] 移除 json_encoders (Pydantic v2 已 deprecated)，原生序列化輸出格式與 .isoformat() 一致 v1.1 2026-04-01 Asia/Taipei
|
||
|
||
|
||
# =============================================================================
|
||
# Main Models
|
||
# =============================================================================
|
||
|
||
class ApprovalRequestBase(BaseModel):
|
||
"""授權請求基礎模型"""
|
||
action: str = Field(..., description="執行動作描述")
|
||
description: str = Field(..., description="詳細說明")
|
||
risk_level: RiskLevel = Field(..., description="風險等級")
|
||
blast_radius: BlastRadius = Field(default_factory=BlastRadius)
|
||
dry_run_checks: list[DryRunCheck] = Field(default_factory=list)
|
||
requested_by: str = Field(..., description="請求發起者")
|
||
expires_at: datetime | None = Field(default=None, description="到期時間")
|
||
metadata: dict | None = Field(default=None, description="額外元資料")
|
||
# 2026-04-14 Claude Sonnet 4.6: 上移 incident_id 到 Base，
|
||
# 讓 ApprovalRequestCreate 也能攜帶（修 9b9ff5b 的 NoneAttr bug）
|
||
incident_id: str | None = Field(default=None, description="關聯的 Incident ID")
|
||
# ADR-083 Phase 3: 命中的 Playbook ID（學習迴路必填）
|
||
# 2026-04-15 ogt + Claude Sonnet 4.6（亞太）: Phase 3 matched_playbook_id 傳遞修復
|
||
matched_playbook_id: str | None = Field(default=None, description="命中的 Playbook ID，供學習服務 EWMA 更新")
|
||
|
||
|
||
class ApprovalRequestCreate(ApprovalRequestBase):
|
||
"""建立授權請求 (API 輸入)"""
|
||
pass
|
||
|
||
|
||
class ApprovalRequest(ApprovalRequestBase):
|
||
"""完整授權請求模型"""
|
||
id: UUID = Field(default_factory=uuid4)
|
||
status: ApprovalStatus = Field(default=ApprovalStatus.PENDING)
|
||
required_signatures: int = Field(..., description="所需簽核數")
|
||
signatures: list[Signature] = Field(default_factory=list)
|
||
created_at: datetime = Field(default_factory=lambda: datetime.now(timezone.utc))
|
||
updated_at: datetime = Field(default_factory=lambda: datetime.now(timezone.utc))
|
||
resolved_at: datetime | None = Field(default=None, description="解決時間")
|
||
rejection_reason: str | None = Field(default=None)
|
||
# 戰略 B: 告警風暴收斂
|
||
fingerprint: str | None = Field(default=None, description="告警指紋 Hash")
|
||
hit_count: int = Field(default=1, description="聚合觸發次數")
|
||
last_seen_at: datetime = Field(default_factory=lambda: datetime.now(timezone.utc), description="最後觸發時間")
|
||
# 2026-04-14 Claude Sonnet 4.6: incident_id 已移至 Base（避免 ApprovalRequestCreate 缺欄位）
|
||
|
||
@property
|
||
def current_signatures(self) -> int:
|
||
"""目前已收集的簽核數"""
|
||
return len(self.signatures)
|
||
|
||
@property
|
||
def is_fully_signed(self) -> bool:
|
||
"""是否已滿足所需簽核數"""
|
||
return self.current_signatures >= self.required_signatures
|
||
|
||
@property
|
||
def remaining_signatures(self) -> int:
|
||
"""還需要的簽核數"""
|
||
return max(0, self.required_signatures - self.current_signatures)
|
||
|
||
def has_signer(self, signer_id: str) -> bool:
|
||
"""檢查某人是否已簽核"""
|
||
return any(s.signer_id == signer_id for s in self.signatures)
|
||
|
||
# [首席架構師] 移除 json_encoders (Pydantic v2 已 deprecated)，原生序列化輸出格式與 .isoformat() 一致 v1.1 2026-04-01 Asia/Taipei
|
||
|
||
|
||
# =============================================================================
|
||
# API Response Models
|
||
# =============================================================================
|
||
|
||
class ApprovalRequestResponse(BaseModel):
|
||
"""授權請求 API 回應"""
|
||
id: str
|
||
action: str
|
||
description: str
|
||
status: ApprovalStatus
|
||
risk_level: RiskLevel
|
||
blast_radius: BlastRadius
|
||
dry_run_checks: list[DryRunCheck]
|
||
required_signatures: int
|
||
current_signatures: int
|
||
signatures: list[Signature]
|
||
requested_by: str
|
||
created_at: datetime
|
||
expires_at: datetime | None
|
||
resolved_at: datetime | None
|
||
# 戰略 B: 告警風暴收斂
|
||
fingerprint: str | None = None
|
||
hit_count: int = 1
|
||
last_seen_at: datetime | None = None
|
||
# Phase 6.5: Incident 關聯 (用於簽核後更新 Incident 狀態)
|
||
metadata: dict | None = None
|
||
|
||
@classmethod
|
||
def from_approval(cls, approval: ApprovalRequest) -> "ApprovalRequestResponse":
|
||
"""從 ApprovalRequest 轉換"""
|
||
return cls(
|
||
id=str(approval.id),
|
||
action=approval.action,
|
||
description=approval.description,
|
||
status=approval.status,
|
||
risk_level=approval.risk_level,
|
||
blast_radius=approval.blast_radius,
|
||
dry_run_checks=approval.dry_run_checks,
|
||
required_signatures=approval.required_signatures,
|
||
current_signatures=approval.current_signatures,
|
||
signatures=approval.signatures,
|
||
requested_by=approval.requested_by,
|
||
created_at=approval.created_at,
|
||
expires_at=approval.expires_at,
|
||
resolved_at=approval.resolved_at,
|
||
# 戰略 B
|
||
fingerprint=approval.fingerprint,
|
||
hit_count=approval.hit_count,
|
||
last_seen_at=approval.last_seen_at,
|
||
# Phase 6.5
|
||
metadata=approval.metadata,
|
||
)
|
||
|
||
|
||
class SignRequest(BaseModel):
|
||
"""簽核請求"""
|
||
signer_id: str = Field(..., description="簽核者 ID")
|
||
signer_name: str = Field(..., description="簽核者名稱")
|
||
comment: str | None = Field(default=None, description="簽核備註")
|
||
|
||
|
||
class RejectRequest(BaseModel):
|
||
"""退回請求"""
|
||
rejector_id: str = Field(..., description="退回者 ID")
|
||
rejector_name: str = Field(..., description="退回者名稱")
|
||
reason: str = Field(..., description="退回原因")
|
||
|
||
|
||
class SignResponse(BaseModel):
|
||
"""簽核回應"""
|
||
success: bool
|
||
message: str
|
||
approval: ApprovalRequestResponse
|
||
execution_triggered: bool = Field(
|
||
default=False,
|
||
description="是否觸發執行 (當簽核數滿足時)"
|
||
)
|
||
|
||
|
||
class PendingApprovalsResponse(BaseModel):
|
||
"""待簽核清單回應"""
|
||
count: int
|
||
approvals: list[ApprovalRequestResponse]
|
||
|
||
|
||
# =============================================================================
|
||
# Phase 11: 批次處理 (Bulk Approval)
|
||
# =============================================================================
|
||
|
||
class BulkApproveRequest(BaseModel):
|
||
"""
|
||
批次簽核請求 (Phase 11)
|
||
|
||
安全限制:
|
||
- CRITICAL 風險禁止批次核准
|
||
- DESTRUCTIVE 資料影響禁止批次核准
|
||
"""
|
||
approval_ids: list[str] = Field(..., description="要批次簽核的 Approval ID 列表")
|
||
signer_id: str = Field(..., description="簽核者 ID")
|
||
signer_name: str = Field(..., description="簽核者名稱")
|
||
comment: str | None = Field(default=None, description="批次簽核備註")
|
||
|
||
|
||
class BulkApproveResult(BaseModel):
|
||
"""單個批次簽核結果"""
|
||
approval_id: str
|
||
success: bool
|
||
message: str
|
||
execution_triggered: bool = False
|
||
|
||
|
||
class BulkApproveResponse(BaseModel):
|
||
"""批次簽核回應"""
|
||
total: int = Field(..., description="請求處理的總數")
|
||
succeeded: int = Field(..., description="成功簽核數")
|
||
failed: int = Field(..., description="失敗數")
|
||
skipped: int = Field(..., description="跳過數 (CRITICAL/DESTRUCTIVE)")
|
||
results: list[BulkApproveResult] = Field(..., description="各個 Approval 的處理結果")
|