cc42aa0bdb
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Task 2.2: alert_rules.yaml 新增 3 類規則 (priority 125-127)
- gitea_down: Gitea CI/CD 下線 → NO_ACTION (priority 125, critical)
- ssl_cert_expiring: SSL 憑證到期 → NO_ACTION (priority 126, medium)
- external_site_down: MoWoooWork/Dev/Blackbox probe → NO_ACTION (priority 127, medium)
規則總數: 21 → 24
Task 2.3: alert_rule_engine.py kubectl 注入防護
- _RULE_ENGINE_DESTRUCTIVE_RE: 阻擋 delete pvc/namespace/statefulset/deployment,
drain/cordon, --replicas=0, rm -rf, DROP TABLE, $() 反引號
- validate_kubectl_command(): 公開 API，SSH 指令/空字串直接通過
- match_rule() 整合: 變數替換後驗證，阻擋時清空 + log warning
- test_alert_rule_engine_validation.py: 34 tests (100% 通過)
測試: 776 passed, 26 skipped, 0 failed
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>