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chenjunjie 63188fad94 DCS API 20240705 version

Reviewed-by: Bobkova, Natalia <natalia.bobkova@t-systems.com>
Co-authored-by: chenjunjie <chenjunjie@huawei.com>
Co-committed-by: chenjunjie <chenjunjie@huawei.com>

2025-03-17 15:42:06 +00:00

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Master/Standby Switchover

Function

This API is used to perform a master/standby switchover. Only master/standby instances support this operation.

URI

POST /v2/{project_id}/instances/{instance_id}/swap

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
instance_id	Yes	String	Instance ID.
project_id	Yes	String	Project ID. For details, see Obtaining a Project ID.

Request Parameters

None

Response Parameters

Status code: 400

**Table 2** Response body parameters
Parameter	Type	Description
error_msg	String	Error message.
error_code	String	Error code.
error_ext_msg	String	Extended error information. This parameter is not used currently and is set to null.

Status code: 401

**Table 3** Response body parameters
Parameter	Type	Description
error_msg	String	Error message.
error_code	String	Error code.
error_ext_msg	String	Extended error information. This parameter is not used currently and is set to null.

Status code: 403

**Table 4** Response body parameters
Parameter	Type	Description
error_msg	String	Error message.
error_code	String	Error code.
error_ext_msg	String	Extended error information. This parameter is not used currently and is set to null.

Status code: 404

**Table 5** Response body parameters
Parameter	Type	Description
error_msg	String	Error message.
error_code	String	Error code.
error_ext_msg	String	Extended error information. This parameter is not used currently and is set to null.

Status code: 500

**Table 6** Response body parameters
Parameter	Type	Description
error_msg	String	Error message.
error_code	String	Error code.
error_ext_msg	String	Extended error information. This parameter is not used currently and is set to null.

Example Requests

POST https://{dcs_endpoint}/v2/a4d31cb6-3d72-4fdc-8ec9-6e3a41e47f71/instances/5560df16-cebf-4473-95c4-d1b573c16e79/swap

Example Responses

Status code: 400

Invalid request.

{
  "error_msg" : "Master standby swap is not supported.",
  "error_code" : "DCS.4855",
  "error_ext_msg" : null
}

Status Codes

Status Code	Description
204	Master/standby switchover performed successfully.
400	Invalid request.
401	Invalid authentication information.
403	The request is rejected.
404	The requested resource is not found.
500	Internal service error.

Error Codes

See Error Codes.

Parent topic: Instance Management

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