Request Syntax Request Parameters Response Syntax Response Elements Errors Example See Also

DescribeEC2InstanceLimits

Retrieves the following information for the specified EC2 instance type:

Maximum number of instances allowed per AWS account (service limit).
Current usage for the AWS account.

To learn more about the capabilities of each instance type, see Amazon EC2 Instance Types. Note that the instance types offered may vary depending on the region.

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Setting up GameLift Fleets

Related operations

Request Syntax


{
   "EC2InstanceType": "string"
}

Request Parameters

For information about the parameters that are common to all actions, see Common Parameters.

The request accepts the following data in JSON format.

Note

In the following list, the required parameters are described first.

EC2InstanceType

Name of an EC2 instance type that is supported in Amazon GameLift. A fleet instance type determines the computing resources of each instance in the fleet, including CPU, memory, storage, and networking capacity. Amazon GameLift supports the following EC2 instance types. See Amazon EC2 Instance Types for detailed descriptions. Leave this parameter blank to retrieve limits for all types.

Type: String

Required: No

Response Syntax


{
   "EC2InstanceLimits": [ 
      { 
         "CurrentInstances": number,
         "EC2InstanceType": "string",
         "InstanceLimit": number
      }
   ]
}

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

EC2InstanceLimits

The maximum number of instances for the specified instance type.

Type: Array of EC2InstanceLimit objects

Errors

For information about the errors that are common to all actions, see Common Errors.

InternalServiceException

The service encountered an unrecoverable internal failure while processing the request. Clients can retry such requests immediately or after a waiting period.

HTTP Status Code: 500

InvalidRequestException

One or more parameter values in the request are invalid. Correct the invalid parameter values before retrying.

HTTP Status Code: 400

UnauthorizedException

The client failed authentication. Clients should not retry such requests.

HTTP Status Code: 400

Example

Request service limits for an EC2 instance type

This example retrieves the maximum allowed instances and current instances in use for a specified EC2 instance type in the current Region. The result indicates that only five of the allowed twenty instances are being used.

HTTP requests are authenticated using an AWS Signature Version 4 signature in the Authorization header field.

Sample Request


{
    "EC2InstanceType": "m5.large"
}

Sample Response


{
    "EC2InstanceLimits": [
        {
            "EC2InstanceType": ""m5.large",
            "CurrentInstances": 5,
            "InstanceLimit": 20
        }
    ]
}