Use DescribeCapacityReservations with an AWS SDK or CLI

The following code examples show how to use DescribeCapacityReservations.

CLI

AWS CLI

Example 1: To describe one or more of your capacity reservations

The following describe-capacity-reservations example displays details about all of your capacity reservations in the current AWS Region.

aws ec2 describe-capacity-reservations

Output:

{
    "CapacityReservations": [
        {
            "CapacityReservationId": "cr-1234abcd56EXAMPLE ",
            "EndDateType": "unlimited",
            "AvailabilityZone": "eu-west-1a",
            "InstanceMatchCriteria": "open",
            "Tags": [],
            "EphemeralStorage": false,
            "CreateDate": "2019-08-16T09:03:18.000Z",
            "AvailableInstanceCount": 1,
            "InstancePlatform": "Linux/UNIX",
            "TotalInstanceCount": 1,
            "State": "active",
            "Tenancy": "default",
            "EbsOptimized": true,
            "InstanceType": "a1.medium"
        },
        {
            "CapacityReservationId": "cr-abcdEXAMPLE9876ef ",
            "EndDateType": "unlimited",
            "AvailabilityZone": "eu-west-1a",
            "InstanceMatchCriteria": "open",
            "Tags": [],
            "EphemeralStorage": false,
            "CreateDate": "2019-08-07T11:34:19.000Z",
            "AvailableInstanceCount": 3,
            "InstancePlatform": "Linux/UNIX",
            "TotalInstanceCount": 3,
            "State": "cancelled",
            "Tenancy": "default",
            "EbsOptimized": true,
            "InstanceType": "m5.large"
        }
    ]
}

Example 2: To describe one or more of your capacity reservations

The following describe-capacity-reservations example displays details about the specified capacity reservation.

aws ec2 describe-capacity-reservations \
    --capacity-reservation-ids cr-1234abcd56EXAMPLE

Output:

{
    "CapacityReservations": [
        {
            "CapacityReservationId": "cr-1234abcd56EXAMPLE",
            "EndDateType": "unlimited",
            "AvailabilityZone": "eu-west-1a",
            "InstanceMatchCriteria": "open",
            "Tags": [],
            "EphemeralStorage": false,
            "CreateDate": "2019-08-16T09:03:18.000Z",
            "AvailableInstanceCount": 1,
            "InstancePlatform": "Linux/UNIX",
            "TotalInstanceCount": 1,
            "State": "active",
            "Tenancy": "default",
            "EbsOptimized": true,
            "InstanceType": "a1.medium"
        }
    ]
}

For more information, see Viewing a Capacity Reservation in the Amazon Elastic Compute Cloud User Guide for Linux Instances.

• For API details, see DescribeCapacityReservations in AWS CLI Command Reference.

PowerShell

Tools for PowerShell

Example 1: This example describes one or more of your Capacity Reservations for the region

Get-EC2CapacityReservation -Region eu-west-1

Output:

AvailabilityZone       : eu-west-1b
AvailableInstanceCount : 2
CapacityReservationId  : cr-0c1f2345db6f7cdba
CreateDate             : 3/28/2019 9:29:41 AM
EbsOptimized           : True
EndDate                : 1/1/0001 12:00:00 AM
EndDateType            : unlimited
EphemeralStorage       : False
InstanceMatchCriteria  : open
InstancePlatform       : Windows
InstanceType           : m4.xlarge
State                  : active
Tags                   : {}
Tenancy                : default
TotalInstanceCount     : 2

• For API details, see DescribeCapacityReservations in AWS Tools for PowerShell Cmdlet Reference.

For a complete list of AWS SDK developer guides and code examples, see Create Amazon EC2 resources using an AWS SDK. This topic also includes information about getting started and details about previous SDK versions.