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

Creating a Key Alias

Function

Associate a new alias for the specified key.

Calling Method

For details, see Calling APIs.

URI

POST /v1.0/{project_id}/kms/aliases

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Key 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

key_id

Yes

String

Key ID

alias

Yes

String

Alias. The alias of an account in the same region must be unique.

Response Parameters

Status code: 201

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 a new alias kms-1234 with the bb6a3d22-dc93-47ac-b5bd-88df7ad35f1e key.

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

Example Responses

Status code: 201

The alias is created.

{
  "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 a new alias kms-1234 with 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 CreateAliasSolution {

    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();
        CreateAliasRequest request = new CreateAliasRequest();
        CreateAliasRequestBody body = new CreateAliasRequestBody();
        body.withAlias("kms-1234");
        body.withKeyId("bb6a3d22-dc93-47ac-b5bd-88df7ad35f1e");
        request.withBody(body);
        try {
            CreateAliasResponse response = client.createAlias(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 a new alias kms-1234 with 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 = CreateAliasRequest()
        request.body = CreateAliasRequestBody(
            alias="kms-1234",
            key_id="bb6a3d22-dc93-47ac-b5bd-88df7ad35f1e"
        )
        response = client.create_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 a new alias kms-1234 with 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.CreateAliasRequest{}
	request.Body = &model.CreateAliasRequestBody{
		Alias: "kms-1234",
		KeyId: "bb6a3d22-dc93-47ac-b5bd-88df7ad35f1e",
	}
	response, err := client.CreateAlias(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

201

The alias is created.

Error Codes

See Error Codes.