监控数据

本节讲解监控数据相关API

上报数据

Nightingale的transfer和collector两个模块都提供了上报数据的接口
本地collector上报接口 POST http://127.0.0.1:2058/api/collector/push
中心transfer上报接口 POST /api/transfer/push
字段含义见数据规范
说明一下 extra 字段，用户可以在这个字段中添加额外的信息，比如traceId，当监控数据触发告警后，告警引擎会将 extra 的内容写到告警事件中，透传给告警历史页面，用户可以根据 extra 中的信息更快的定位问题

请求样例

[
    {
        "metric":"cpu.util",
        "endpoint":"192.168.1.2",
        "timestamp":1559733442,
        "step":10,
        "value":1,
        "tags":"",
        "extra":""
    }
]

查询metric

POST /api/index/metrics

请求样例

{
    "endpoints": ["host1","host2"]
}

返回样例

{
    "dat": [
        {
            "metrics": [
                "cpu.idle"
            ],
        }
    ],
    "err": "",
}

查询tags

POST /api/index/tagkv

请求样例

{
    "endpoints": ["host1","host2"],
    "metrics": ["disk.used.percent"],
}

返回样例

{
    "dat": [
        {
            "endpoints": ["host1","host2"],
            "metric": "disk.used.percent",
            "tagkv": [
                {
                    "tagk": "mount",       
                    "tagv": ["/", "/home"]
                },
            ]
        }
    ],
    "err":""
}

查询监控数据

POST /api/transfer/data

请求样例

[
    {
        "start": 1598338900,
        "end": 1598338940,
        "endpoints": ["10.254.226.221"],
        "counters": ["cpu.idle"],
        "step": 20,
        "dstype": "GAUGE"
    },
    {
        "start": 1598338900,
        "end": 1598338940,
        "endpoints": ["10.254.88.96"],
        "counters": ["disk.bytes.used.percent/mount=/"],
        "step": 20,
        "dstype": "GAUGE"
    }
]

返回样例

{
  "dat": [
    {
      "start": 1598338900,
      "end": 1598338940,
      "endpoint": "10.254.226.221",
      "counter": "cpu.idle",
      "dstype": "GAUGE",
      "step": 20,
      "values": [
        {
          "timestamp": 1598338900,
          "value": 98.648649
        },
        {
          "timestamp": 1598338920,
          "value": 98.316498
        },
        {
          "timestamp": 1598338940,
          "value": 98.307953
        }
      ]
    },
    {
      "start": 1598338900,
      "end": 1598338940,
      "endpoint": "10.254.88.96",
      "counter": "disk.bytes.used.percent/mount=/",
      "dstype": "GAUGE",
      "step": 20,
      "values": [
        {
          "timestamp": 1598338900,
          "value": 14.636725
        },
        {
          "timestamp": 1598338920,
          "value": 14.636725
        },
        {
          "timestamp": 1598338940,
          "value": 14.63682
        }
      ]
    }
  ],
  "err": ""
}