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wanghuijuan738 8f024b87ae ECS API 20251204 version. Adding an API Document.

Reviewed-by: Pristromskaia, Margarita <margarita.pristromskaia@t-systems.com>
Co-authored-by: wanghuijuan738 <wanghuijuan738@huawei.com>
Co-committed-by: wanghuijuan738 <wanghuijuan738@huawei.com>

2025-12-17 11:05:14 +00:00

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Adding an ECS to an ECS Group

Function

This API is used to add an ECS to an ECS group. ECSs in the same group are automatically deployed on different hosts if possible.

Constraints

The ECS to be added has been stopped.
Only KVM ECSs can be added.
Only the anti-affinity policy is supported. ECSs in the same ECS group are deployed on different hosts, improving service reliability.

URI

POST /v1/{project_id}/cloudservers/os-server-groups/{server_group_id}/action

Table 1 describes the parameters in the URI.

**Table 1** Parameter description
Parameter	Mandatory	Description
project_id	Yes	Specifies the project ID.
server_group_id	Yes	Specifies the ECS group ID.

Request

Table 2 describes the request parameters.

**Table 2** Request parameters
Parameter	Mandatory	Type	Description
add_member	Yes	Object	Specifies the information of the ECS to be added to an ECS group. For details, see Table 3.

**Table 3** **add_member** parameters
Parameter	Mandatory	Type	Description
instance_uuid	Yes	String	Specifies the ECS UUID.

Response

None

Example Request

Adds a specified ECS to an ECS group.

POST https://{endpoint}/v1/{project_id}/cloudservers/os-server-groups/{server_group_id}/action

{
    "add_member": {
        "instance_uuid":"34dac9a0-c4a7-457b-bab2-e2c696e0e401"
    }
}

Example Response

Status code 200, indicating that the operation is successful

Returned Values

See Returned Values for General Requests.

Error Codes

See Error Codes.

Parent topic: ECS Group Management

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