Querying the Host Configuration

Function

This API is used to query the host configuration for a specified event type in a specified time range. You can specify the dimension of data to be queried.

This API is provided for SAP Monitor in the HANA scenario to query the host configuration. In other scenarios, the host configuration cannot be queried with this API.

URI

GET /V1.0/{project_id}/event-data

• Parameter description

  Table 1 Parameter description

  Parameter	Mandatory	Description
  project_id	Yes	Specifies the project ID. For details about how to obtain the project ID, see Obtaining a Project ID.

• Parameters that are used to query the host configuration

  Parameter	Mandatory	Type	Description
  namespace	Yes	String	Query the namespace of a service. For details, see Services Interconnected with Cloud Eye. The namespace must be in the service.item format and contain 3 to 32 characters. service and item each must start with a letter and contain only letters, digits, and underscores (_).
  type	Yes	String	Specifies the event type. It can contain only letters, underscores (_), and hyphens (-). It must start with a letter and cannot exceed 64 characters, for example, instance_host_info.
  from	Yes	String	Specifies the start time of the query. The time is a UNIX timestamp and the unit is ms.
  to	Yes	String	Specifies the end time of the query. The time is a UNIX timestamp and the unit is ms. from must be earlier than to.
  dim	Yes	String	Specifies the dimension. For example, the ECS dimension is instance_id. For details about the dimensions corresponding to the monitoring metrics of each service, see the monitoring metrics description of the corresponding service in Services Interconnected with Cloud Eye. Specifies the dimension. A maximum of three dimensions are supported, and the dimensions are numbered from 0 in dim.{i}=key,value format. key cannot exceed 32 characters and value cannot exceed 256 characters. Example: dim.0=instance_id,i-12345

• Example: Query the configuration information about the ECS whose ID is 33328f02-3814-422e-b688-bfdba93d4051 and type is instance_host_info.

  GET https://{Cloud Eye endpoint}/V1.0/{project_id}/event-data?namespace=SYS.ECS&dim.0=instance_id,33328f02-3814-422e-b688-bfdba93d4051&type=instance_host_info&from=1450234543422&to=1450320943422

Request

None

Response

• Response parameters

  Table 2 Response parameters

  Parameter	Type	Description
  datapoints	Array of objects	Specifies the configuration list. If the corresponding configuration information does not exist, datapoints is an empty array and is []. For details, see Table 3.

  Table 3 datapoints data structure description

  Parameter	Type	Description
  type	String	Specifies the event type, for example, instance_host_info.
  timestamp	Long	Specifies when the event is reported. It is a UNIX timestamp and the unit is ms.
  value	String	Specifies the host configuration information.

• Example response

  {
      "datapoints": [
          {
              "type": "instance_host_info",
              "timestamp": 1450231200000,
              "value": "xxx"
          },
          {
              "type": "instance_host_info",
              "timestamp": 1450231800000,
              "value": "xxx"
          }
      ]
  }

Returned Values

• Normal

  200

• Abnormal

  Returned Value	Description
  400 Bad Request	Request error.
  401 Unauthorized	The authentication information is not provided or is incorrect.
  403 Forbidden	You are forbidden to access the page requested.
  408 Request Timeout	The request timed out.
  429 Too Many Requests	Concurrent requests are excessive.
  500 Internal Server Error	Failed to complete the request because of an internal service error.
  503 Service Unavailable	The service is currently unavailable.

Error Codes

See Error Codes.