Updated on 2025-09-15 GMT+08:00

Changing the Primary Region for a Key

Function

Change the primary region to which the key belongs. After the modification, the current region becomes the backup region.

Calling Method

For details, see Calling APIs.

URI

PUT /v2/{project_id}/kms/keys/{key_id}/update-primary-region

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID

key_id

Yes

String

ID of the key to be updated, which is 36-byte long and matches the regular expression ^[0-9a-z]{8}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{12}$,

for example, 0d0466b0-e727-4d9c-b35d-f84bb474a37f

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

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

ID of the key to be updated, which is 36-byte long and matches the regular expression ^[0-9a-z]{8}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{12}$,

for example, 0d0466b0-e727-4d9c-b35d-f84bb474a37f

primary_region

Yes

String

Code of the new primary region to which the key belongs, for example, cn-north-4

Response Parameters

Status code: 200

Table 4 Response body parameters

Parameter

Type

Description

key_id

String

Key ID, which is 36-byte long and matches the regular expression ^[0-9a-z]{8}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{12}$,

for example, 0d0466b0-e727-4d9c-b35d-f84bb474a37f

primary_region

String

Code of the primary region where the key is located, for example, cn-north-4

Status code: 400

Table 5 Response body parameters

Parameter

Type

Description

error

Object

Error message

Table 6 ErrorDetail

Parameter

Type

Description

error_code

String

Error code returned by the error request

error_msg

String

Error information returned by the error request

Status code: 401

Table 7 Response body parameters

Parameter

Type

Description

error

Object

Error message

Table 8 ErrorDetail

Parameter

Type

Description

error_code

String

Error code returned by the error request

error_msg

String

Error information returned by the error request

Status code: 403

Table 9 Response body parameters

Parameter

Type

Description

error

Object

Error message

Table 10 ErrorDetail

Parameter

Type

Description

error_code

String

Error code returned by the error request

error_msg

String

Error information returned by the error request

Status code: 404

Table 11 Response body parameters

Parameter

Type

Description

error

Object

Error message

Table 12 ErrorDetail

Parameter

Type

Description

error_code

String

Error code returned by the error request

error_msg

String

Error information returned by the error request

Status code: 500

Table 13 Response body parameters

Parameter

Type

Description

error

Object

Error message

Table 14 ErrorDetail

Parameter

Type

Description

error_code

String

Error code returned by the error request

error_msg

String

Error information returned by the error request

Status code: 502

Table 15 Response body parameters

Parameter

Type

Description

error

Object

Error message

Table 16 ErrorDetail

Parameter

Type

Description

error_code

String

Error code returned by the error request

error_msg

String

Error information returned by the error request

Status code: 504

Table 17 Response body parameters

Parameter

Type

Description

error

Object

Error message

Table 18 ErrorDetail

Parameter

Type

Description

error_code

String

Error code returned by the error request

error_msg

String

Error information returned by the error request

Example Requests

{
  "key_id" : "826314dd-1b5b-4037-b976-5f9b7a17df46",
  "primary_region" : "cn-north-4"
}

Example Responses

Status code: 200

Request succeeded.

{
  "key_id" : "bb6a3d22-dc93-47ac-b5bd-88df7ad35f1e",
  "primary_region" : "cn-north-4"
}

Status Codes

Status Code

Description

200

Request succeeded.

400

Invalid request parameter.

401

Username and password are required for the requested page.

403

Authentication failed.

404

The resource does not exist.

500

Internal service error.

502

Request failed. The server has received an invalid response.

504

Gateway timed out.

Error Codes

See Error Codes.