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运行时指标结构

JSON 使用 UTF-8。时间戳是 UTC RFC3339。所有 *Ratio 字段都是 0..1，不是百分比。数组返回 []，不是 null。

NodeReport​

{
  "version": "1.2.3",
  "hostname": "node-a",
  "timestamp": "2026-05-04T00:00:00Z",
  "metrics": {}
}
字段说明
version节点版本
hostname主机名
timestamp节点采样时间
metricsSnapshot

Snapshot​

字段说明
cpuCPU 运行时
memory内存运行时
disk磁盘运行时，见 磁盘结构
network[]网卡运行时
system系统运行时
processes进程数
connectionsTCP/UDP 连接数
raidRAID 运行时

CPU​

{
  "usage_ratio": 0.34,
  "load1": 0.42,
  "load5": 0.39,
  "load15": 0.37,
  "times": {
    "user": 1,
    "system": 1,
    "idle": 1,
    "iowait": 0,
    "steal": 0
  }
}

Memory​

{
  "used": 123,
  "available": 123,
  "buffers": 123,
  "cached": 123,
  "used_ratio": 0.58,
  "swap_used": 0,
  "swap_free": 0,
  "swap_used_ratio": 0
}

字节字段都是原始字节数。

Network​

{
  "name": "eth0",
  "bytes_recv": 123,
  "bytes_sent": 456,
  "recv_rate_bytes_per_sec": 1024,
  "sent_rate_bytes_per_sec": 2048,
  "packets_recv": 1,
  "packets_sent": 2,
  "recv_rate_packets_per_sec": 1.2,
  "sent_rate_packets_per_sec": 1.3,
  "err_in": 0,
  "err_out": 0,
  "drop_in": 0,
  "drop_out": 0
}

System​

{
  "alive": true,
  "uptime_seconds": 123456,
  "uptime": "01d 10h 17m 36s"
}

Processes​

{ "process_count": 182 }

Connections​

{ "tcp_count": 86, "udp_count": 37 }

RAID​

{
  "supported": true,
  "available": true,
  "arrays": [
    {
      "name": "md0",
      "status": "clean",
      "active": 2,
      "working": 2,
      "failed": 0,
      "health": "healthy",
      "members": [
        { "name": "sda1", "state": "up" }
      ],
      "sync_status": "resync",
      "sync_progress": "50%"
    }
  ]
}

Static​

{
  "version": "1.2.3",
  "timestamp": "2026-05-04T00:00:00Z",
  "report_interval_seconds": 3,
  "cpu": {},
  "memory": {},
  "disk": {},
  "system": {},
  "raid": {}
}

字段：

  • cpu.info.model_name
  • cpu.info.vendor_id
  • cpu.info.sockets
  • cpu.info.cores_physical
  • cpu.info.cores_logical
  • cpu.info.frequency_mhz
  • memory.total
  • memory.swap_total
  • disk
  • system.hostname
  • system.os
  • system.platform
  • system.platform_version
  • system.kernel_version
  • system.arch
  • raid.supported
  • raid.available
  • raid.arrays[]