[ aws . ec2 ]



Describes the default customer master key (CMK) for EBS encryption by default for your account in this Region. You can change the default CMK for encryption by default using ModifyEbsDefaultKmsKeyId or ResetEbsDefaultKmsKeyId .

For more information, see Amazon EBS encryption in the Amazon Elastic Compute Cloud User Guide .

See also: AWS API Documentation

See ‘aws help’ for descriptions of global parameters.


[--dry-run | --no-dry-run]
[--cli-input-json | --cli-input-yaml]
[--generate-cli-skeleton <value>]


--dry-run | --no-dry-run (boolean)

Checks whether you have the required permissions for the action, without actually making the request, and provides an error response. If you have the required permissions, the error response is DryRunOperation . Otherwise, it is UnauthorizedOperation .

--cli-input-json | --cli-input-yaml (string) Reads arguments from the JSON string provided. The JSON string follows the format provided by --generate-cli-skeleton. If other arguments are provided on the command line, those values will override the JSON-provided values. It is not possible to pass arbitrary binary values using a JSON-provided value as the string will be taken literally. This may not be specified along with --cli-input-yaml.

--generate-cli-skeleton (string) Prints a JSON skeleton to standard output without sending an API request. If provided with no value or the value input, prints a sample input JSON that can be used as an argument for --cli-input-json. Similarly, if provided yaml-input it will print a sample input YAML that can be used with --cli-input-yaml. If provided with the value output, it validates the command inputs and returns a sample output JSON for that command.

See ‘aws help’ for descriptions of global parameters.


To describe your default CMK for EBS encryption

The following get-ebs-default-kms-key-id example describes the default CMK for EBS encryption for your AWS account.

aws ec2 get-ebs-default-kms-key-id

The output shows the default CMK for EBS encryption, which is an AWS managed CMK with the alias alias/aws/ebs.

    "KmsKeyId": "alias/aws/ebs"

The following output shows a custom CMK for EBS encryption.

    "KmsKeyId": "arn:aws:kms:us-west-2:123456789012:key/0ea3fef3-80a7-4778-9d8c-1c0c6EXAMPLE"


KmsKeyId -> (string)

The Amazon Resource Name (ARN) of the default CMK for encryption by default.