Applying a Parameter Template

Function

This API is used to apply a parameter template to one or more DB instances.

Before calling an API, you need to understand the API in Authentication.
Before calling this API, obtain the required region and endpoint.

Constraints

The following DB engines are supported: MySQL, PostgreSQL, and Microsoft SQL Server.

URI

URI format
PUT https://{Endpoint}/v3/{project_id}/configurations/{config_id}/apply
Example
https://rds.cn-north-1.myhuaweicloud.com/v3/0483b6b16e954cb88930a360d2c4e663/configurations/463b4b58-d0e8-4e2b-9560-5dea4552fde9/apply

Parameter description

**Table 1** Parameter description
Name	Mandatory	Description
project_id	Yes	Specifies the project ID of a tenant in a region. For details about how to obtain the project ID, see Obtaining a Project ID.
config_id	Yes	Specifies the parameter template ID.

Request

Parameter description

**Table 2** Parameter description
Name	Mandatory	Type	Description
instance_ids	Yes	Array of strings	Specifies the DB instance ID list object.

Request example

{
	"instance_ids": ["73ea2bf70c73497f89ee0ad4ee008aa2in01", "fe5f5a07539c431181fc78220713aebein01"]
}

Response

Normal response

**Table 3** Parameter description
Name	Type	Description
configuration_id	String	Specifies the parameter template ID.
configuration_name	String	Specifies the parameter template name.
apply_results	Array of objects	Specifies the result of applying the parameter template. For details, see Table 4.
success	Boolean	Indicates whether each parameter template is applied to DB instances successfully. true: Each parameter template is applied to DB instances successfully. false: One or more parameter templates failed to be applied.

**Table 4** apply_results field data structure description
Name	Type	Description
instance_id	String	Indicates the DB instance ID.
instance_name	String	Indicates the DB instance name.
restart_required	Boolean	Indicates whether a reboot is required. true: A reboot is required. false: A reboot is not required.
success	Boolean	Indicates whether each parameter template is applied to DB instances successfully. true: The application is successful. false: The application failed.

Example normal response

{
	"configuration_id": "cf49bbd7d2384878bc3808733c9e9d8bpr01",
	"configuration_name": "paramsGroup-bcf9",
	"apply_results": [{
		"instance_id": "fe5f5a07539c431181fc78220713aebein01",
		"instance_name": "zyy1",
		"restart_required": false,
		"success": false
	}, {
		"instance_id": "73ea2bf70c73497f89ee0ad4ee008aa2in01",
		"instance_name": "zyy2",
		"restart_required": false,
		"success": false
	}],
	"success": false
}