Applying a Parameter Template
Function
This API is used to apply a parameter template to a specified DB instance. Before calling this API:
- Learn how to authorize and authenticate it.
- Obtain the required region and endpoint.
Constraints
The Default-TaurusDB V2.0-High Performance parameter template cannot be applied.
Authorization Information
Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions.
- If you are using role/policy-based authorization, see Permissions and Supported Actions for details on the required permissions.
- If you are using identity policy-based authorization, the following identity policy-based permissions are required.
Action
Access Level
Resource Type (*: required)
Condition Key
Alias
Dependency
gaussdbformysql:param:apply
Permission_management
-
-
gaussdb:param:apply
-
URI
PUT /v3/{project_id}/configurations/{configuration_id}/apply
|
Parameter |
Mandatory |
Type |
Description |
|---|---|---|---|
|
project_id |
Yes |
String |
Definition Project ID of a tenant in a region. To obtain this value, see Obtaining a Project ID. Constraints N/A Range The value contains 32 characters. Only letters and digits are allowed. Default Value N/A |
|
configuration_id |
Yes |
String |
Definition Parameter template ID. To obtain this value, see Querying Parameter Templates. Constraints N/A Range The value contains 36 characters, starting with a UUID and ending with pr07. Only letters and digits are allowed. Default Value N/A |
Request Parameters
|
Parameter |
Mandatory |
Type |
Description |
|---|---|---|---|
|
X-Auth-Token |
Yes |
String |
Definition User token. To obtain this value, call the IAM API for obtaining a user token. The value of X-Subject-Token in the response header is the token value. Constraints N/A Range N/A Default Value N/A |
|
X-Language |
No |
String |
Definition Request language type. Constraints N/A Range Default Value en-us |
|
Parameter |
Mandatory |
Type |
Description |
|---|---|---|---|
|
instance_ids |
Yes |
Array of strings |
Definition List of instance IDs. Constraints The list contains a maximum of 10 instance IDs. |
Response Parameters
Status code: 200
|
Parameter |
Type |
Description |
|---|---|---|
|
job_id |
String |
Definition ID of the task for applying a parameter template. Range N/A |
|
param_group_name |
String |
Definition Name of the parameter template. Range The default Default-TaurusDB V2.0 parameter template and custom templates are supported. |
Status code: 400
|
Parameter |
Type |
Description |
|---|---|---|
|
error_code |
String |
Error code. |
|
error_msg |
String |
Error message. |
Status code: 500
|
Parameter |
Type |
Description |
|---|---|---|
|
error_code |
String |
Error code. |
|
error_msg |
String |
Error message. |
Example Request
Applying a parameter template
PUT https://{endpoint}/v3/0549b4a43100d4f32f51c01c2fe4acdb/configurations/7a8d539ba30f43adaf1b16d08b1df4bdpr07/apply
{
"instance_ids" : ["1c3f12d626824d4ca357104def25a455in07"]
}
Example Response
Status code: 200
Success.
{
"job_id" : "bf26cf3c-d046-4080-bb45-f114be7afa5f",
"param_group_name" : "taurus_template"
}
SDK Sample Code
The SDK sample code is as follows.
Applying a parameter template
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package com.huaweicloud.sdk.test; import com.huaweicloud.sdk.core.auth.ICredential; import com.huaweicloud.sdk.core.auth.BasicCredentials; import com.huaweicloud.sdk.core.exception.ConnectionException; import com.huaweicloud.sdk.core.exception.RequestTimeoutException; import com.huaweicloud.sdk.core.exception.ServiceResponseException; import com.huaweicloud.sdk.gaussdb.v3.region.GaussDBRegion; import com.huaweicloud.sdk.gaussdb.v3.*; import com.huaweicloud.sdk.gaussdb.v3.model.*; import java.util.List; import java.util.ArrayList; public class SwitchGaussMySqlConfigurationSolution { public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment String ak = System.getenv("CLOUD_SDK_AK"); String sk = System.getenv("CLOUD_SDK_SK"); String projectId = "{project_id}"; ICredential auth = new BasicCredentials() .withProjectId(projectId) .withAk(ak) .withSk(sk); GaussDBClient client = GaussDBClient.newBuilder() .withCredential(auth) .withRegion(GaussDBRegion.valueOf("<YOUR REGION>")) .build(); SwitchGaussMySqlConfigurationRequest request = new SwitchGaussMySqlConfigurationRequest(); request.withConfigurationId("{configuration_id}"); ApplyConfigurationRequestBody body = new ApplyConfigurationRequestBody(); List<String> listbodyInstanceIds = new ArrayList<>(); listbodyInstanceIds.add("1c3f12d626824d4ca357104def25a455in07"); body.withInstanceIds(listbodyInstanceIds); request.withBody(body); try { SwitchGaussMySqlConfigurationResponse response = client.switchGaussMySqlConfiguration(request); System.out.println(response.toString()); } catch (ConnectionException e) { e.printStackTrace(); } catch (RequestTimeoutException e) { e.printStackTrace(); } catch (ServiceResponseException e) { e.printStackTrace(); System.out.println(e.getHttpStatusCode()); System.out.println(e.getRequestId()); System.out.println(e.getErrorCode()); System.out.println(e.getErrorMsg()); } } } |
Applying a parameter template
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# coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkgaussdb.v3.region.gaussdb_region import GaussDBRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkgaussdb.v3 import * if __name__ == "__main__": # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment ak = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] projectId = "{project_id}" credentials = BasicCredentials(ak, sk, projectId) client = GaussDBClient.new_builder() \ .with_credentials(credentials) \ .with_region(GaussDBRegion.value_of("<YOUR REGION>")) \ .build() try: request = SwitchGaussMySqlConfigurationRequest() request.configuration_id = "{configuration_id}" listInstanceIdsbody = [ "1c3f12d626824d4ca357104def25a455in07" ] request.body = ApplyConfigurationRequestBody( instance_ids=listInstanceIdsbody ) response = client.switch_gauss_my_sql_configuration(request) print(response) except exceptions.ClientRequestException as e: print(e.status_code) print(e.request_id) print(e.error_code) print(e.error_msg) |
Applying a parameter template
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package main import ( "fmt" "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic" gaussdb "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/gaussdb/v3" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/gaussdb/v3/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/gaussdb/v3/region" ) func main() { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment ak := os.Getenv("CLOUD_SDK_AK") sk := os.Getenv("CLOUD_SDK_SK") projectId := "{project_id}" auth := basic.NewCredentialsBuilder(). WithAk(ak). WithSk(sk). WithProjectId(projectId). Build() client := gaussdb.NewGaussDBClient( gaussdb.GaussDBClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.SwitchGaussMySqlConfigurationRequest{} request.ConfigurationId = "{configuration_id}" var listInstanceIdsbody = []string{ "1c3f12d626824d4ca357104def25a455in07", } request.Body = &model.ApplyConfigurationRequestBody{ InstanceIds: listInstanceIdsbody, } response, err := client.SwitchGaussMySqlConfiguration(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } } |
For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.
Status Code
For details, see Status Codes.
Error Code
For details, see Error Codes.
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