Modifying a Storage Autoscaling Policy
Function
This API is used to modify a storage autoscaling policy. Before calling this API:
- Learn how to authorize and authenticate it.
- Obtain the required region and endpoint.
Calling Method
For details, see Calling APIs.
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.
URI
PUT /v3/{project_id}/instances/{instance_id}/storage/auto-expand-policy
|
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 |
|
instance_id |
Yes |
String |
Definition Instance ID, which uniquely identifies an instance. Constraints N/A Range The value contains 36 characters with a suffix of in07. 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 |
|---|---|---|---|
|
switch_option |
No |
Boolean |
Definition Whether to enable an autoscaling policy. Range |
|
limit_size |
No |
Integer |
Definition Limit of storage (GB) that can be automatically scaled up to. The value must be a multiple of 10. Range 10–Maximum storage Example: 500 |
|
trigger_available_percent |
No |
Integer |
Definition Percentage of available storage. The storage will be automatically scaled up if the available storage drops to or below the value of this parameter. Range |
|
step_percent |
No |
Integer |
Definition Scaling step when the storage is scaled by percentage. Range 5–50 |
Response Parameters
Status code: 200
Success.
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
Modifying a storage autoscaling policy
PUT https://{endpoint}/v3/619d3e78f61b4be68bc5aa0b59edcf7b/instances/a23fb62bd61e4e9e9636fd2225f395bein07/storage/auto-expand-policy
{
"switch_option" : true,
"limit_size" : 500,
"trigger_available_percent" : 10,
"step_percent" : 20
}
Example Response
Status code: 200
Success.
{ }
SDK Sample Code
The SDK sample code is as follows.
Modifying a storage autoscaling policy
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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.*; public class ModifyAutoExpandPolicySolution { 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(); ModifyAutoExpandPolicyRequest request = new ModifyAutoExpandPolicyRequest(); request.withInstanceId("{instance_id}"); ModifyAutoExpandPolicyReq body = new ModifyAutoExpandPolicyReq(); body.withStepPercent(20); body.withTriggerAvailablePercent(ModifyAutoExpandPolicyReq.TriggerAvailablePercentEnum.NUMBER_10); body.withLimitSize(500); body.withSwitchOption(true); request.withBody(body); try { ModifyAutoExpandPolicyResponse response = client.modifyAutoExpandPolicy(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()); } } } |
Modifying a storage autoscaling policy
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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 = ModifyAutoExpandPolicyRequest() request.instance_id = "{instance_id}" request.body = ModifyAutoExpandPolicyReq( step_percent=20, trigger_available_percent=10, limit_size=500, switch_option=True ) response = client.modify_auto_expand_policy(request) print(response) except exceptions.ClientRequestException as e: print(e.status_code) print(e.request_id) print(e.error_code) print(e.error_msg) |
Modifying a storage autoscaling policy
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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.ModifyAutoExpandPolicyRequest{} request.InstanceId = "{instance_id}" stepPercentModifyAutoExpandPolicyReq:= int32(20) triggerAvailablePercentModifyAutoExpandPolicyReq:= model.GetModifyAutoExpandPolicyReqTriggerAvailablePercentEnum().E_10 limitSizeModifyAutoExpandPolicyReq:= int32(500) switchOptionModifyAutoExpandPolicyReq:= true request.Body = &model.ModifyAutoExpandPolicyReq{ StepPercent: &stepPercentModifyAutoExpandPolicyReq, TriggerAvailablePercent: &triggerAvailablePercentModifyAutoExpandPolicyReq, LimitSize: &limitSizeModifyAutoExpandPolicyReq, SwitchOption: &switchOptionModifyAutoExpandPolicyReq, } response, err := client.ModifyAutoExpandPolicy(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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