Querying Application Records of a Parameter Template

Function

This API is used to view application records of a parameter template. Before calling this API:

Learn how to authenticate this API.
Obtain the required region and endpoint.

Debugging

You can debug this API in API Explorer.

URI

GET /v3/{project_id}/configurations/{config_id}/applied-histories

**Table 1** Parameter description
Parameter	Mandatory	Type	Description
project_id	Yes	String	Definition Project ID of a tenant in a region. To obtain the value, see Obtaining a Project ID. Constraints N/A Range The value can contain 32 characters. Only letters and digits are allowed. Default Value N/A
config_id	Yes	String	Definition Parameter template ID. Obtain the parameter template ID by referring to Obtaining Parameter Templates. Constraints N/A Range The value can contain 36 characters. Only letters and digits are allowed. Default Value N/A
offset	No	Integer	Definition Index offset. The query starts from the next piece of data indexed by this parameter. For example, if this parameter is set to 0 and limit is set to 10, only the 1st to 10th data records are displayed. Constraints N/A Range [0,2147483647] Default Value 0: The query starts from the first data record.
limit	No	Integer	Definition Number of records returned by a query. For example, if this parameter is set to 10, a maximum of 10 records can be displayed. Constraints N/A Range [1, 100] Default Value 100

Request Parameters

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	Definition User token. You can obtain the token by calling the IAM API used to obtain a user token. After a response is returned, the value of X-Subject-Token in the response header is the token. Constraints N/A Range N/A Default Value N/A
X-Language	No	String	Definition Language. Constraints N/A Range zh-cn: Chinese en-us: English Default Value en-us

Response Parameters

**Table 3** Parameter description
Parameter	Type	Description
histories	Array of objects	Definition Application records. For details, see Table 4.
total_count	Integer	Definition Total number of instances that the parameter template is applied to. Range N/A

**Table 4** histories field data structure description
Parameter	Type	Description
instance_id	String	Definition DB instance ID. Range N/A
instance_name	String	Definition DB instance name. Range N/A
apply_result	String	Definition Application status. Range SUCCESS: The parameter template is applied to the corresponding instance. FAILED: The parameter template failed to be applied to the corresponding instance. APPLYING: The parameter template is being applied to the corresponding instance.
applied_at	String	Definition Application time in the yyyy-mm-ddThh:mm:ssZ format. T is the separator between calendar and hourly notation of time. Z indicates the time zone offset. For example, in the Beijing time zone, the offset is shown as +0800. Range N/A
error_code	String	Definition Error code of the failure cause, for example, DBS.280005. Range N/A

Example Request

Querying application records of a parameter template

GET https://gaussdb-opengauss.ap-southeast-1.myhuaweicloud.com/v3/619d3e78f61b4be68bc5aa0b59edcf7b/configurations/3ca44134a16d4bbab8eb701e025b19f7pr14/applied-histories

Example Response

Application records of the parameter template queried.

{
    "histories": [
        {
            "instance_id": "1995a67680474481b3e42ac1474e32e0in14",
            "instance_name": "gauss-a283",
            "apply_result" : "SUCCESS", 
            "applied_at" : "2022-08-09T03:06:52+0800", 
            "error_code" : ""
        },
        {
            "instance_id": "8303819fd8744ef69f34595e9710a33din14",
            "instance_name": "gauss-2423-lt-master",
            "apply_result" : "FAILED",
            "applied_at" : "2022-08-09T03:06:52+0800", 
            "error_code" : "DBS.280005"
        }
	],
    "total_count": 2
}