Adding an ECS to an ECS Group

Updated on 2022-09-23 GMT+08:00

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Function

This API is used to add an ECS to an ECS group. The system automatically deploys the newly added ECS to a host that is different from the ones accommodating other ECSs in the ECS group.

Constraints

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. For details about how to obtain the ID, see Obtaining a 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

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

Previous topic: Deleting an ECS Group

Next topic: Removing an ECS from an ECS Group

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