fix(ssh-auto): 主機告警 SSH 自動診斷授權(HostHighCpuLoad 不再卡人工審核)
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根因:SSH_MCP_ALLOWED_HOSTS 未設定 → _ssh_execute() 全部攔截
+ auto_approve 只認 kubectl 不認 ssh → 主機告警永遠降級人工
修復:
- ConfigMap: 補 SSH_MCP_ALLOWED_HOSTS 四主機白名單
- alert_rules: HostHighCpuLoad 等從 NO_ACTION 改為 ssh_diagnose 指令
- auto_approve: _has_executable 加入 ssh 開頭識別
- decision_manager: _ssh_execute() 加入 ssh_diagnose 路由
- ssh_provider: 新增 ssh_diagnose tool(ps aux + free -h + df -h,只讀)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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@@ -443,6 +443,15 @@ class SSHProvider(MCPToolProvider):
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def _build_command(self, tool_name: str, params: dict) -> str:
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# 所有接受用戶字串的工具,必須先通過 _validate_param() 白名單驗證
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if tool_name == "ssh_diagnose":
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# 2026-04-27 Claude Sonnet 4.6: 主機告警自動診斷 — 只讀,不修改任何狀態
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return (
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"echo '=== CPU TOP ===' && ps aux --sort=-%cpu | head -15 && "
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"echo '=== MEMORY ===' && free -h && "
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"echo '=== DISK ===' && df -h && "
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"echo '=== LOAD ===' && uptime"
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)
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if tool_name == "ssh_get_top_processes":
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return "ps aux --sort=-%cpu | head -15"
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