Use ModifyCapacityReservation with an Amazon SDK or CLI - Amazon Elastic Compute Cloud
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Use ModifyCapacityReservation with an Amazon SDK or CLI

The following code examples show how to use ModifyCapacityReservation.

CLI
Amazon CLI

Example 1: To change the number of instances reserved by an existing capacity reservation

The following modify-capacity-reservation example changes the number of instances for which the capacity reservation reserves capacity.

aws ec2 modify-capacity-reservation \
    --capacity-reservation-id cr-1234abcd56EXAMPLE \
    --instance-count 5

Output:

{
    "Return": true
}

Example 2: To change the end date and time for an existing capacity reservation

The following modify-capacity-reservation example modifies an existing capacity reservation to end at the specified date and time.

aws ec2 modify-capacity-reservation \
    --capacity-reservation-id cr-1234abcd56EXAMPLE \
    --end-date-type limited \
    --end-date 2019-08-31T23:59:59Z

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

PowerShell
Tools for PowerShell

Example 1: This example modifies the CapacityReservationId cr-0c1f2345db6f7cdba by changing the instane count to 1

Edit-EC2CapacityReservation -CapacityReservationId cr-0c1f2345db6f7cdba -InstanceCount 1

Output:

True

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