Use ModifyCapacityReservation with an AWS SDK or CLI - AWS SDK Code Examples

There are more AWS SDK examples available in the AWS Doc SDK Examples GitHub repo.

Use ModifyCapacityReservation with an AWS SDK or CLI

The following code examples show how to use ModifyCapacityReservation.

CLI
AWS 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