Updated on 2025-08-08 GMT+08:00

Associating Key Alias

Function

This API is used to associate an alias.

You can associate an existing alias to another key.

Calling Method

For details, see Calling APIs.

URI

POST /v1.0/{project_id}/kms/alias/associate

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

No

String

User token. It can be obtained by calling the IAM API. The value of X-Subject-Token in the response header is the user token.

Table 3 Request body parameters

Parameter

Mandatory

Type

Description

alias

Yes

String

Alias to be associated

target_key_id

Yes

String

ID of the key to be associated

Response Parameters

Status code: 200

Table 4 Response body parameters

Parameter

Type

Description

domain_id

String

Account ID

key_id

String

Key ID

alias

String

Alias

alias_urn

String

Alias resource locator

create_time

String

Creation time

update_time

String

Update time

Example Requests

Associate kms-1234 to the bb6a3d22-dc93-47ac-b5bd-88df7ad35f1e key.

{
  "target_key_id" : "bb6a3d22-dc93-47ac-b5bd-88df7ad35f1e",
  "alias" : "kms-1234"
}

Example Responses

Status code: 200

Response body for associating an alias

{
  "domain_id" : "3bab8e245e854f68af5967c00dd43127",
  "key_id" : "bb6a3d22-dc93-47ac-b5bd-88df7ad35f1e",
  "alias" : "kms-1234",
  "alias_urn" : "kms:cn-north-7:3bab8e245e854f68af5967c00dd43127:alias:kms-1234",
  "create_time" : "2024-04-01T00:00:00Z",
  "update_time" : "2024-04-01T00:00:00Z"
}

SDK Sample Code

The SDK sample code is as follows.

Associate kms-1234 to the bb6a3d22-dc93-47ac-b5bd-88df7ad35f1e key.

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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.kms.v2.region.KmsRegion;
import com.huaweicloud.sdk.kms.v2.*;
import com.huaweicloud.sdk.kms.v2.model.*;


public class AssociateAliasSolution {

    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);

        KmsClient client = KmsClient.newBuilder()
                .withCredential(auth)
                .withRegion(KmsRegion.valueOf("<YOUR REGION>"))
                .build();
        AssociateAliasRequest request = new AssociateAliasRequest();
        AssociateAliasRequestBody body = new AssociateAliasRequestBody();
        body.withTargetKeyId("bb6a3d22-dc93-47ac-b5bd-88df7ad35f1e");
        body.withAlias("kms-1234");
        request.withBody(body);
        try {
            AssociateAliasResponse response = client.associateAlias(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());
        }
    }
}

Associate kms-1234 to the bb6a3d22-dc93-47ac-b5bd-88df7ad35f1e key.

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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkkms.v2.region.kms_region import KmsRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkkms.v2 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 = KmsClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(KmsRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = AssociateAliasRequest()
        request.body = AssociateAliasRequestBody(
            target_key_id="bb6a3d22-dc93-47ac-b5bd-88df7ad35f1e",
            alias="kms-1234"
        )
        response = client.associate_alias(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

Associate kms-1234 to the bb6a3d22-dc93-47ac-b5bd-88df7ad35f1e key.

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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    kms "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/kms/v2"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/kms/v2/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/kms/v2/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 := kms.NewKmsClient(
        kms.KmsClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.AssociateAliasRequest{}
	request.Body = &model.AssociateAliasRequestBody{
		TargetKeyId: "bb6a3d22-dc93-47ac-b5bd-88df7ad35f1e",
		Alias: "kms-1234",
	}
	response, err := client.AssociateAlias(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 Codes

Status Code

Description

200

Response body for associating an alias

Error Codes

See Error Codes.