{
    "summary": [
        {
            "name": "node_commands",
            "title": "节点远程命令",
            "primary": ["id"],
            "catelog": "entity"
        }
    ],
    "fields": [
        {"name": "id", "title": "命令ID", "type": "str", "length": 32, "nullable": "no"},
        {"name": "node_id", "title": "节点ID", "type": "str", "length": 32, "nullable": "no"},
        {"name": "command", "title": "命令内容", "type": "text", "nullable": "no"},
        {"name": "status", "title": "状态", "type": "str", "length": 16, "nullable": "no", "default": "pending"},
        {"name": "exit_code", "title": "退出码", "type": "int"},
        {"name": "output", "title": "执行输出", "type": "text"},
        {"name": "created_at", "title": "下发时间", "type": "datetime", "nullable": "no"},
        {"name": "executed_at", "title": "执行时间", "type": "datetime"}
    ],
    "indexes": [
        {"name": "idx_ncmd_node", "idxtype": "index", "idxfields": ["node_id"]},
        {"name": "idx_ncmd_status", "idxtype": "index", "idxfields": ["status"]}
    ],
    "codes": [
        {"field": "status", "table": "appcodes_kv", "valuefield": "k", "textfield": "v", "cond": "parentid='cmd_status'"}
    ]
}