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awoooi/apps/api
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fix(aiops): Critic 修復 — PromQL 注入防線 + flag=False escalation bug + 計數虛報
Bug 1 (drift.py): DRIFT_AUTO_ADOPT_ENABLED=false 時仍設 auto_block_reason
  → 導致 escalation 被觸發,把「停用」誤判為「阻擋事故」
  修法: flag=False 不設 auto_block_reason,視為靜默停用

Bug 2 (coverage_evaluator_job.py): asset name/host/namespace/ip 直接 f-string
  進 PromQL,無白名單驗證
  → 髒資料可生成語意污染規則或讓 Prometheus reload 失敗
  修法: 加 _safe_label_val 正規表達式白名單(^[a-zA-Z0-9._\-]+$),
        不合法直接 skip + debug log

Bug 3 (coverage_evaluator_job.py): ON CONFLICT DO NOTHING 衝突時 created 仍 +1
  → stats["rules_auto_created"] 計數虛高,Redis 冷卻被誤設
  修法: 改用 INSERT ... RETURNING rule_name,fetchone() 確認實際插入才計數和設冷卻

附加: Redis RuntimeError 單獨 catch + log(不再靜默 pass)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-04 14:31:53 +08:00
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