Querying Historical Records of Auto Scaling

Function

This API is used to query historical records of auto scaling. Before calling this API:

Learn how to authorize and authenticate it.
Obtain the required region and endpoint.

URI

GET /v3/{project_id}/instances/{instance_id}/auto-scaling/history

**Table 1** URI parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID of a tenant in a region. To obtain this value, see Obtaining a Project ID.
instance_id	Yes	String	Instance ID.

**Table 2** Query parameters
Parameter	Mandatory	Type	Description
limit	No	String	Number of records to be queried. The default value is 20.
offset	No	String	Index offset. If offset is set to N, the query starts from the N+1 piece of data. The value is 0 by default, indicating that the query starts from the first piece of data. The value must be a number but cannot be a negative number.

Request Parameters

**Table 3** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	User token. To obtain the value, call the API for obtaining a user token. The value of X-Subject-Token in the response header is the token value.
Content-Type	Yes	String	Content type. Value: application/json
X-Language	No	String	Language.

Response Parameters

Status code: 200

**Table 4** Response body parameters
Parameter	Type	Description
total_count	String	Total number of records.
records	Array of AutoScalingRecordInfo objects	Historical records of auto scaling.

**Table 5** AutoScalingRecordInfo
Parameter	Type	Description
id	String	Record ID.
instance_id	String	Instance ID.
instance_name	String	Instance name.
scaling_type	String	Scaling type.
original_value	String	Original value.
target_value	String	Target value.
result	String	Scaling result.
create_at	String	Scaling time.

Status code: 400

**Table 6** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Status code: 500

**Table 7** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Example Request

Querying historical records of auto scaling

GET https://{endpoint}/v3/0483b6b16e954cb88930a360d2c4e663/instances/61a4ea66210545909d74a05c27a7179ein07/auto-scaling/history

Example Response

Status code: 200

Success.

{
  "total_count" : 1,
  "records" : [ {
    "id" : "2f5f3eeb-16c7-4b0c-bd44-4b2968275abe",
    "instance_id" : "94bb6ce031424d02a1c61019d1d2298bin07",
    "instance_name" : "gaussdbformysql-ins01",
    "scaling_type" : "ENLARGE_FLAVOR",
    "original_value" : "gaussdb.mysql.medium.x86.4",
    "target_value" : "gaussdb.mysql.large.x86.4",
    "result" : "SUCCESSFUL",
    "create_at" : "2023-04-30 16:47:40.877"
  } ]
}