EC2 / Client / describe_image_attribute

describe_image_attribute

EC2.Client.describe_image_attribute(**kwargs)

Describes the specified attribute of the specified AMI. You can specify only one attribute at a time.

Note

The order of the elements in the response, including those within nested structures, might vary. Applications should not assume the elements appear in a particular order.

See also: AWS API Documentation

Request Syntax

response = client.describe_image_attribute(
    Attribute='description'|'kernel'|'ramdisk'|'launchPermission'|'productCodes'|'blockDeviceMapping'|'sriovNetSupport'|'bootMode'|'tpmSupport'|'uefiData'|'lastLaunchedTime'|'imdsSupport'|'deregistrationProtection',
    ImageId='string',
    DryRun=True|False
)

Parameters:

• Attribute (string) –

  [REQUIRED]

  The AMI attribute.

  Note: The blockDeviceMapping attribute is deprecated. Using this attribute returns the Client.AuthFailure error. To get information about the block device mappings for an AMI, use the DescribeImages action.

• ImageId (string) –

  [REQUIRED]

  The ID of the AMI.

• DryRun (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.

Return type:

dict

Returns:

Response Syntax

{
    'BlockDeviceMappings': [
        {
            'DeviceName': 'string',
            'VirtualName': 'string',
            'Ebs': {
                'DeleteOnTermination': True|False,
                'Iops': 123,
                'SnapshotId': 'string',
                'VolumeSize': 123,
                'VolumeType': 'standard'|'io1'|'io2'|'gp2'|'sc1'|'st1'|'gp3',
                'KmsKeyId': 'string',
                'Throughput': 123,
                'OutpostArn': 'string',
                'Encrypted': True|False
            },
            'NoDevice': 'string'
        },
    ],
    'ImageId': 'string',
    'LaunchPermissions': [
        {
            'Group': 'all',
            'UserId': 'string',
            'OrganizationArn': 'string',
            'OrganizationalUnitArn': 'string'
        },
    ],
    'ProductCodes': [
        {
            'ProductCodeId': 'string',
            'ProductCodeType': 'devpay'|'marketplace'
        },
    ],
    'Description': {
        'Value': 'string'
    },
    'KernelId': {
        'Value': 'string'
    },
    'RamdiskId': {
        'Value': 'string'
    },
    'SriovNetSupport': {
        'Value': 'string'
    },
    'BootMode': {
        'Value': 'string'
    },
    'TpmSupport': {
        'Value': 'string'
    },
    'UefiData': {
        'Value': 'string'
    },
    'LastLaunchedTime': {
        'Value': 'string'
    },
    'ImdsSupport': {
        'Value': 'string'
    },
    'DeregistrationProtection': {
        'Value': 'string'
    }
}

Response Structure

• (dict) –

  Describes an image attribute.

  • BlockDeviceMappings (list) –

    The block device mapping entries.

    • (dict) –

      Describes a block device mapping, which defines the EBS volumes and instance store volumes to attach to an instance at launch.

      • DeviceName (string) –

        The device name (for example, /dev/sdh or xvdh).

      • VirtualName (string) –

        The virtual device name ( ephemeral``N). Instance store volumes are numbered starting from 0. An instance type with 2 available instance store volumes can specify mappings for ``ephemeral0 and ephemeral1. The number of available instance store volumes depends on the instance type. After you connect to the instance, you must mount the volume.

        NVMe instance store volumes are automatically enumerated and assigned a device name. Including them in your block device mapping has no effect.

        Constraints: For M3 instances, you must specify instance store volumes in the block device mapping for the instance. When you launch an M3 instance, we ignore any instance store volumes specified in the block device mapping for the AMI.

      • Ebs (dict) –

        Parameters used to automatically set up EBS volumes when the instance is launched.

        • DeleteOnTermination (boolean) –

          Indicates whether the EBS volume is deleted on instance termination. For more information, see Preserving Amazon EBS volumes on instance termination in the Amazon EC2 User Guide.

        • Iops (integer) –

          The number of I/O operations per second (IOPS). For gp3, io1, and io2 volumes, this represents the number of IOPS that are provisioned for the volume. For gp2 volumes, this represents the baseline performance of the volume and the rate at which the volume accumulates I/O credits for bursting.

          The following are the supported values for each volume type:

          • gp3: 3,000 - 16,000 IOPS

          • io1: 100 - 64,000 IOPS

          • io2: 100 - 256,000 IOPS

          For io2 volumes, you can achieve up to 256,000 IOPS on instances built on the Nitro System. On other instances, you can achieve performance up to 32,000 IOPS.

          This parameter is required for io1 and io2 volumes. The default for gp3 volumes is 3,000 IOPS.

        • SnapshotId (string) –

          The ID of the snapshot.

        • VolumeSize (integer) –

          The size of the volume, in GiBs. You must specify either a snapshot ID or a volume size. If you specify a snapshot, the default is the snapshot size. You can specify a volume size that is equal to or larger than the snapshot size.

          The following are the supported sizes for each volume type:

          • gp2 and gp3: 1 - 16,384 GiB

          • io1: 4 - 16,384 GiB

          • io2: 4 - 65,536 GiB

          • st1 and sc1: 125 - 16,384 GiB

          • standard: 1 - 1024 GiB

        • VolumeType (string) –

          The volume type. For more information, see Amazon EBS volume types in the Amazon EBS User Guide.

        • KmsKeyId (string) –

          Identifier (key ID, key alias, ID ARN, or alias ARN) for a customer managed CMK under which the EBS volume is encrypted.

          This parameter is only supported on BlockDeviceMapping objects called by RunInstances, RequestSpotFleet, and RequestSpotInstances.

        • Throughput (integer) –

          The throughput that the volume supports, in MiB/s.

          This parameter is valid only for gp3 volumes.

          Valid Range: Minimum value of 125. Maximum value of 1000.

        • OutpostArn (string) –

          The ARN of the Outpost on which the snapshot is stored.

          This parameter is not supported when using CreateImage.

        • Encrypted (boolean) –

          Indicates whether the encryption state of an EBS volume is changed while being restored from a backing snapshot. The effect of setting the encryption state to true depends on the volume origin (new or from a snapshot), starting encryption state, ownership, and whether encryption by default is enabled. For more information, see Amazon EBS encryption in the Amazon EBS User Guide.

          In no case can you remove encryption from an encrypted volume.

          Encrypted volumes can only be attached to instances that support Amazon EBS encryption. For more information, see Supported instance types.

          This parameter is not returned by DescribeImageAttribute.

          For CreateImage and RegisterImage, whether you can include this parameter, and the allowed values differ depending on the type of block device mapping you are creating.

          • If you are creating a block device mapping for a new (empty) volume, you can include this parameter, and specify either true for an encrypted volume, or false for an unencrypted volume. If you omit this parameter, it defaults to false (unencrypted).

          • If you are creating a block device mapping from an existing encrypted or unencrypted snapshot, you must omit this parameter. If you include this parameter, the request will fail, regardless of the value that you specify.

          • If you are creating a block device mapping from an existing unencrypted volume, you can include this parameter, but you must specify false. If you specify true, the request will fail. In this case, we recommend that you omit the parameter.

          • If you are creating a block device mapping from an existing encrypted volume, you can include this parameter, and specify either true or false. However, if you specify false, the parameter is ignored and the block device mapping is always encrypted. In this case, we recommend that you omit the parameter.

      • NoDevice (string) –

        To omit the device from the block device mapping, specify an empty string. When this property is specified, the device is removed from the block device mapping regardless of the assigned value.

  • ImageId (string) –

    The ID of the AMI.

  • LaunchPermissions (list) –

    The launch permissions.

    • (dict) –

      Describes a launch permission.

      • Group (string) –

        The name of the group.

      • UserId (string) –

        The Amazon Web Services account ID.

        Constraints: Up to 10 000 account IDs can be specified in a single request.

      • OrganizationArn (string) –

        The Amazon Resource Name (ARN) of an organization.

      • OrganizationalUnitArn (string) –

        The Amazon Resource Name (ARN) of an organizational unit (OU).

  • ProductCodes (list) –

    The product codes.

    • (dict) –

      Describes a product code.

      • ProductCodeId (string) –

        The product code.

      • ProductCodeType (string) –

        The type of product code.

  • Description (dict) –

    A description for the AMI.

    • Value (string) –

      The attribute value. The value is case-sensitive.

  • KernelId (dict) –

    The kernel ID.

    • Value (string) –

      The attribute value. The value is case-sensitive.

  • RamdiskId (dict) –

    The RAM disk ID.

    • Value (string) –

      The attribute value. The value is case-sensitive.

  • SriovNetSupport (dict) –

    Indicates whether enhanced networking with the Intel 82599 Virtual Function interface is enabled.

    • Value (string) –

      The attribute value. The value is case-sensitive.

  • BootMode (dict) –

    The boot mode.

    • Value (string) –

      The attribute value. The value is case-sensitive.

  • TpmSupport (dict) –

    If the image is configured for NitroTPM support, the value is v2.0.

    • Value (string) –

      The attribute value. The value is case-sensitive.

  • UefiData (dict) –

    Base64 representation of the non-volatile UEFI variable store. To retrieve the UEFI data, use the GetInstanceUefiData command. You can inspect and modify the UEFI data by using the python-uefivars tool on GitHub. For more information, see UEFI Secure Boot in the Amazon EC2 User Guide.

    • Value (string) –

      The attribute value. The value is case-sensitive.

  • LastLaunchedTime (dict) –

    The date and time, in ISO 8601 date-time format, when the AMI was last used to launch an EC2 instance. When the AMI is used to launch an instance, there is a 24-hour delay before that usage is reported.

    Note

    lastLaunchedTime data is available starting April 2017.

    • Value (string) –

      The attribute value. The value is case-sensitive.

  • ImdsSupport (dict) –

    If v2.0, it indicates that IMDSv2 is specified in the AMI. Instances launched from this AMI will have HttpTokens automatically set to required so that, by default, the instance requires that IMDSv2 is used when requesting instance metadata. In addition, HttpPutResponseHopLimit is set to 2. For more information, see Configure the AMI in the Amazon EC2 User Guide.

    • Value (string) –

      The attribute value. The value is case-sensitive.

  • DeregistrationProtection (dict) –

    Indicates whether deregistration protection is enabled for the AMI.

    • Value (string) –

      The attribute value. The value is case-sensitive.

Examples

This example describes the launch permissions for the specified AMI.

response = client.describe_image_attribute(
    Attribute='launchPermission',
    ImageId='ami-5731123e',
)

print(response)

Expected Output:

{
    'ImageId': 'ami-5731123e',
    'LaunchPermissions': [
        {
            'UserId': '123456789012',
        },
    ],
    'ResponseMetadata': {
        '...': '...',
    },
}