API 调用的返回类型为 JSON。API 调用的一般格式为:http://[HOST:PORT]/<URI>
HOST 是指正在运行 emmonitorrest 服务的受监控系统。缺省 PORT 值为 8090。
REST 客户端指定每个请求中的媒体类型/版本和格式。
application/com.teradata.em.emmonitor.rest-v1.0+json
REST 客户端将在每个请求中都提供用户名和密码(缺省值 emem 和 em)。下表显示了方法和 URI:
HTTP 方法 | URI | 说明 |
---|---|---|
GET | /emmonitor/metricData/servers | 返回服务器信息 示例: [{"name":"pontus", "platform":"Linux", "links":[{"rel":"self","href":" http://pontus:8090/emmonitor/metricData/servers/pontus" }, {"rel":"metricGroups","href":" http://pontus:8090/emmonitor/metricData/servers/pontus/metricGroups" }, {"rel":"metrics","href":" http://pontus:8090/emmonitor/metricData/servers/pontus/metrics" }] }] |
GET | /emmonitor/metricData/servers/<serverName>/metricGroups | 针对指定的 <serverName> 返回 metricGroups 的 JSON 数组。 示例: [{ "name":"CPU", "frequency":30, "links":[{"rel":"self","href":"http://pontus:8090/emmonitor/metricData/servers/pontus/metricGroups/CPU"}]}, {"name":"MEMORY", "frequency":30, "links":[{"rel":"self","href":"http:// pontus:8090 emmonitor/metricData/servers/ pontus/metricGroups/ MEMORY "}]}, {"name":"DISK", "frequency":30, "links":[{"rel":"self","href":"http://pontus:8090/emmonitor/metricData/servers/pontus/ /metricGroups/DISK"}]}, {"name":"NETWORK", "frequency":30, "links":[{"rel":"self","href":"http://pontus:8090/emmonitor/metricData/servers/pontus/metricGroups/ NETWORK "}]}, }] |
GET | /emmonitor/metricData/servers/<serverName>/metrics | 针对指定的 <serverName> 返回指标的 JSON 数组 请求参数:
这些均为可选项,表示请求指标的时间间隔范围。如果未指定,则为最新数据点或最后收集的值返回指标。
此为可选参数。如果指定,则返回 metricGroup 的指标,而且可以采用 CPU、NETWORK、MEMORY 和 DISK 值之一。如果未指定,则在响应中返回所有指标。 响应字段:
例如:
[ ... ... {"name": "UPTIME", "label": "System Uptime", "values": {"value": [2357.89],"collectedTime": 1438929885886}, "unit": "h", "links": [{"rel": "self","href": "http://pontus:8090/emmonitor/metricData/servers/pontus/metrics/UPTIME" } { "name": "DISKWRITERATE", "label": "DISK WRITE RATE", "values": {"value": [89.62,98.57,105.88,122.06], collectedFor": "[/],[/var],[/var/opt/teradata],[/data]","collectedTime": 1438929885880}, "unit": "b/s", "links": [{"rel": "self","href": "http://pontus:8090/emmonitor/metricData/servers/pontus/metrics/DISKWRITERATE"}] } ... ... ] |