Creating an ECS Group

Function

This API is used to create an ECS group.

Constraints

Only anti-affinity groups are supported.

Debugging

You can debug this API in API Explorer.

Authorization

Each account has all of the permissions required to call all APIs, but IAM users must have the required permissions specifically assigned.

If you are using role/policy-based authorization, see the required permissions in Permissions and Supported Actions.
If you are using identity policy-based authorization, the permissions listed below are required.

Action	Access Level	Resource Type (*: required)	Condition Key	Alias	Dependencies
ecs:cloudServers:createServerGroup	write	-	-	ecs:cloudServers:create	-

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

Request

Table 2 describes the request parameters.

**Table 2** Request parameters
Parameter	Mandatory	Type	Description
server_group	Yes	Object	Definition Specifies the ECS group information. For details, see Table 3. Constraints N/A Range N/A Default Value N/A

**Table 3** **server_group** parameters
Parameter	Mandatory	Type	Description
name	Yes	String	Definition Specifies the ECS group name. Constraints N/A Range 1 to 255 characters Default Value N/A
policies	Yes	Array of strings	Definition Specifies the list of policies associated with the ECS group. Constraints N/A Range anti-affinity: ECSs in this group must be deployed on different hosts. Default Value N/A

Response

Table 4 describes the response parameters.

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

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

Example Request

Create an ECS group.

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": {}
    }
}