Function

This API is used to create an ECS group.

Constraints

Only anti-affinity policies are supported.

URI

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

Table 1 describes the parameters in the URI.

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

Request

Table 2 describes the request parameters.

**Table 2** Request parameters
Parameter	Mandatory	Type	Description
server_group	Yes	Object	Specifies the ECS group information. For details, see Table 3.

**Table 3** **server_group** parameters
Parameter	Mandatory	Type	Description
name	Yes	String	Specifies the ECS group name. The value contains 1 to 255 characters.
policies	Yes	Array of strings	Specifies the policies associated with the ECS group. Options: anti-affinity: ECSs in this group must be deployed on different hosts.

Response

Table 4 describes the response parameters.

**Table 4** Response parameters
Parameter	Type	Description
server_group	Object	Specifies the ECS group information. For details, see Table 5.

**Table 5** **server_group** parameters
Parameter	Type	Description
id	String	Specifies the ECS group UUID.
name	String	Specifies the ECS group name.
policies	Array of strings	Specifies the policies associated with the ECS group. Options: anti-affinity: ECSs in this group must be deployed on different hosts.
members	Array of strings	Specifies the IDs of the ECSs in an ECS group.
metadata	Object	Specifies the ECS group metadata.

Example Request

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

{
    "server_group": {
        "name": "test",
        "policies": ["anti-affinity"]
    }
}

Example Response

{
    "server_group": {
        "id": "5bbcc3c4-1da2-4437-a48a-66f15b1b13f9",
        "name": "test",
        "policies": [
            "anti-affinity"
        ],
        "members": [],
        "metadata": {}
    }
}

Returned Values

See Returned Values for General Requests.

Error Codes

See Error Codes.

Creating an ECS Group