Changing AZs for a Cluster Instance
Function
This API is used to change AZs by specifying node types.
Calling Method
For details, see Calling APIs.
URI
POST /v1.0/{project_id}/clusters/{cluster_id}/inst-type/{inst_type}/azmigrate
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
project_id |
Yes |
String |
Definition: Project ID. For details about how to obtain the project ID and name, see Obtaining the Project ID and Name. Constraints: N/A Value range: Project ID of the account. Default value: N/A |
cluster_id |
Yes |
String |
Definition: ID of the cluster whose AZs are to be changed. For details about how to obtain the cluster ID, see Obtaining the Cluster ID. Constraints: N/A Value range: Cluster ID. Default value: N/A |
inst_type |
Yes |
String |
Definition: Types of nodes whose AZ is to be changed. Constraints: N/A Value range:
Default value: N/A
NOTE:
All mission-critical data has been backed up before an AZ switchover. This is to prevent data loss.
|
Request Parameters
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
source_az |
Yes |
String |
Definition: AZ where the node is located. Constraints: N/A Value range: N/A Default value: N/A |
target_az |
Yes |
String |
Definition: AZ where the node is expected to be distributed. Constraints: N/A Value range: N/A Default value: N/A |
migrate_type |
Yes |
String |
Definition: AZ migration method. Constraints: N/A Value range:
Default value: N/A |
agency |
Yes |
String |
Definition: Agency name. You can create an agency to allow CSS to call other cloud services. Constraints: N/A Value range: N/A Default value: N/A |
indices_backup_check |
No |
Boolean |
Definition: Whether to check full index snapshots. Constraints: N/A Value range:
Default value: true |
Response Parameters
Status code: 200
Request succeeded.
None
Example Requests
Change AZs for the current cluster.
POST https://{Endpoint}/v1.0/{project_id}/clusters/ea244205-d641-45d9-9dcb-ab2236bcd07e/inst-type/all/azmigrate { "source_az" : "cn-north-4c", "target_az" : "cn-north-4a", "migrate_type" : "az_migrate", "agency" : "css-test-agency" }
Example Responses
None
SDK Sample Code
The SDK sample code is as follows.
Java
Change AZs for the current cluster.
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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.css.v1.region.CssRegion; import com.huaweicloud.sdk.css.v1.*; import com.huaweicloud.sdk.css.v1.model.*; public class UpdateAzByInstanceTypeSolution { 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); CssClient client = CssClient.newBuilder() .withCredential(auth) .withRegion(CssRegion.valueOf("<YOUR REGION>")) .build(); UpdateAzByInstanceTypeRequest request = new UpdateAzByInstanceTypeRequest(); request.withClusterId("{cluster_id}"); request.withInstType(UpdateAzByInstanceTypeRequest.InstTypeEnum.fromValue("{inst_type}")); UpdateAzByInstanceTypeReq body = new UpdateAzByInstanceTypeReq(); body.withAgency("css-test-agency"); body.withMigrateType("az_migrate"); body.withTargetAz("cn-north-4a"); body.withSourceAz("cn-north-4c"); request.withBody(body); try { UpdateAzByInstanceTypeResponse response = client.updateAzByInstanceType(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()); } } } |
Python
Change AZs for the current cluster.
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# coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkcss.v1.region.css_region import CssRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkcss.v1 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 = CssClient.new_builder() \ .with_credentials(credentials) \ .with_region(CssRegion.value_of("<YOUR REGION>")) \ .build() try: request = UpdateAzByInstanceTypeRequest() request.cluster_id = "{cluster_id}" request.inst_type = "{inst_type}" request.body = UpdateAzByInstanceTypeReq( agency="css-test-agency", migrate_type="az_migrate", target_az="cn-north-4a", source_az="cn-north-4c" ) response = client.update_az_by_instance_type(request) print(response) except exceptions.ClientRequestException as e: print(e.status_code) print(e.request_id) print(e.error_code) print(e.error_msg) |
Go
Change AZs for the current cluster.
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package main import ( "fmt" "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic" css "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/css/v1" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/css/v1/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/css/v1/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 := css.NewCssClient( css.CssClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.UpdateAzByInstanceTypeRequest{} request.ClusterId = "{cluster_id}" request.InstType = model.GetUpdateAzByInstanceTypeRequestInstTypeEnum().INST_TYPE request.Body = &model.UpdateAzByInstanceTypeReq{ Agency: "css-test-agency", MigrateType: "az_migrate", TargetAz: "cn-north-4a", SourceAz: "cn-north-4c", } response, err := client.UpdateAzByInstanceType(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } } |
More
For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.
Status Codes
Status Code |
Description |
---|---|
200 |
Request succeeded. |
400 |
Invalid request. The client should not repeat the request without modifications. |
403 |
The request is rejected. The server has received the request and understood it, but the server is refusing to respond to it. The client should not repeat the request without modifications. |
Error Codes
See Error Codes.
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