Function

This API is used to query the parameter modification record list of an instance by keyword.

URI

GET /v2/{project_id}/instances/{instance_id}/config-histories

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID. For details, see Obtaining a Project ID.
instance_id	Yes	String	Instance ID.

**Table 2** Query Parameters
Parameter	Mandatory	Type	Description
offset	No	Integer	Offset, which is the position where the query starts. The value must be no less than 0.
limit	No	Integer	Number of records displayed on each page. The minimum value is 1. The maximum value is 1000*. If this parameter is not specified, 10 records are displayed on each page by default.

Request Parameters

None

Response Parameters

Status code: 200

**Table 3** Response body parameters
Parameter	Type	Description
history_num	Integer	Number of instance parameter modification records.
histories	Array of HistoryInfo objects	Details of instance parameter modification records.

**Table 4** HistoryInfo
Parameter	Type	Description
history_id	String	Modification record ID.
type	String	Modification type.
created_at	String	Modification time.
status	String	Modification status.

Status code: 400

**Table 5** Response body parameters
Parameter	Type	Description
error_msg	String	Error message. Maximum: 1024
error_code	String	Error code. Maximum: 9
error_ext_msg	String	Extended error information. This parameter is not used currently and is set to null. Maximum: 1024

Status code: 500

**Table 6** Response body parameters
Parameter	Type	Description
error_msg	String	Error message. Maximum: 1024
error_code	String	Error code. Maximum: 9
error_ext_msg	String	Extended error information. This parameter is not used currently and is set to null. Maximum: 1024

Example Requests

GET https://{dcs_endpoint}/v2/{project_id}/instances/{instance_id}/config-histories?offset=0&limit=10

Example Responses

Status code: 200

List of instance parameter modification records queried successfully.

{
  "history_num" : 1,
  "histories" : [ {
    "history_id" : "4ae8507f-7992-40e2-9928-41ccf1db4bdc",
    "type" : "config_param",
    "created_at" : "2022-10-20T03:37:44.636Z",
    "status" : "SUCCESS"
  } ]
}

Status Codes

Status Code	Description
200	List of instance parameter modification records queried successfully.
400	Invalid request.
500	Internal service error.

Error Codes

See Error Codes.

Querying the List of Instance Parameter Modification Records