• Key Management Service

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  5. Changing the Alias of a CMK

Changing the Alias of a CMK

Function

This API enables you to change the alias of a CMK.

NOTE:
  • A Default Master Key (the alias suffix of which is /default) does not allow alias changes.
  • A CMK in Scheduled deletion status does not allow alias changes.

URI

  • URI format

    POST /v1.0/{project_id}/kms/update-key-alias

  • Parameter description

    Parameter

    Mandatory

    Type

    Description

    project_id

    Yes

    string

    Project ID

Requests

Request parameters

Parameter

Type

Mandatory

Description

key_id

string

Yes

36-byte ID of a CMK that matches the regular expression ^[0-9a-z]{8}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{12}$

Example: 0d0466b0-e727-4d9c-b35d-f84bb474a37f

key_alias

string

Yes

Alias of a CMK whose length is 1 to 255 characters and which matches the regular expression ^[a-zA-Z0-9:/_-]{1,255}$. Suffix of the alias cannot be /default.

sequence

string

No

36-byte serial number of a request message

Example: 919c82d4-8046-4722-9094-35c3c6524cff

Responses

Response parameters

Parameter

Type

Mandatory

Description

key_id

string

Yes

CMK ID

key_alias

string

Yes

Alias of a CMK

Examples

The following is an example about how to modify a CMK whose alias ID is bb6a3d22-dc93-47ac-b5bd-88df7ad35f1e and alias is test.

  • Example request
    {
        "key_alias": "test",      
        "key_id": "bb6a3d22-dc93-47ac-b5bd-88df7ad35f1e"
    }
  • Example response
    {
        "key_info": {           
            "key_id": "bb6a3d22-dc93-47ac-b5bd-88df7ad35f1e",
            "key_alias": "test"
         }
    }

    or

    {
        "error": {
            "error_code": "KMS.XXXX",
            "error_msg": "XXX"
        }
    }

Status Codes

Table 1 lists the normal status code returned by the response.
Table 1 Status codes

Status Code

Status

Description

200

OK

Request processed successfully.

Exception status code. For details, see Status Codes.