/AWS1/CL_EC2REQLAUNCHTMPLDATA

The information to include in the launch template.

You must specify at least one parameter for the launch template data.

CONSTRUCTOR

IMPORTING

Optional arguments:

IV_KERNELID TYPE /AWS1/EC2KERNELID /AWS1/EC2KERNELID

The ID of the kernel.

We recommend that you use PV-GRUB instead of kernels and RAM disks. For more information, see User provided kernels in the Amazon Linux 2 User Guide.

IV_EBSOPTIMIZED TYPE /AWS1/EC2BOOLEAN /AWS1/EC2BOOLEAN

Indicates whether the instance is optimized for Amazon EBS I/O. This optimization provides dedicated throughput to Amazon EBS and an optimized configuration stack to provide optimal Amazon EBS I/O performance. This optimization isn't available with all instance types. Additional usage charges apply when using an EBS-optimized instance.

IO_IAMINSTANCEPROFILE TYPE REF TO /AWS1/CL_EC2LAUNCHTMPLIAMINS00 /AWS1/CL_EC2LAUNCHTMPLIAMINS00

The name or Amazon Resource Name (ARN) of an IAM instance profile.

IT_BLOCKDEVICEMAPPINGS TYPE /AWS1/CL_EC2LAUNCHTMPLBLKDEV00=>TT_LAUNCHTMPLBLOCKDEVMAPREQLST TT_LAUNCHTMPLBLOCKDEVMAPREQLST

The block device mapping.

IT_NETWORKINTERFACES TYPE /AWS1/CL_EC2LAUNCHTMPLINSTNE00=>TT_LAUNCHTMPLINSTNETWORKINTE00 TT_LAUNCHTMPLINSTNETWORKINTE00

The network interfaces for the instance.

IV_IMAGEID TYPE /AWS1/EC2IMAGEID /AWS1/EC2IMAGEID

The ID of the AMI in the format ami-0ac394d6a3example.

Alternatively, you can specify a Systems Manager parameter, using one of the following formats. The Systems Manager parameter will resolve to an AMI ID on launch.

To reference a public parameter:

• resolve:ssm:public-parameter

To reference a parameter stored in the same account:

• resolve:ssm:parameter-name

• resolve:ssm:parameter-name:version-number

• resolve:ssm:parameter-name:label

To reference a parameter shared from another Amazon Web Services account:

• resolve:ssm:parameter-ARN

• resolve:ssm:parameter-ARN:version-number

• resolve:ssm:parameter-ARN:label

For more information, see Use a Systems Manager parameter instead of an AMI ID in the Amazon EC2 User Guide.

If the launch template will be used for an EC2 Fleet or Spot Fleet, note the following:

• Only EC2 Fleets of type instant support specifying a Systems Manager parameter.

• For EC2 Fleets of type maintain or request, or for Spot Fleets, you must specify the AMI ID.

IV_INSTANCETYPE TYPE /AWS1/EC2INSTANCETYPE /AWS1/EC2INSTANCETYPE

The instance type. For more information, see Amazon EC2 instance types in the Amazon EC2 User Guide.

If you specify InstanceType, you can't specify InstanceRequirements.

IV_KEYNAME TYPE /AWS1/EC2KEYPAIRNAME /AWS1/EC2KEYPAIRNAME

The name of the key pair. You can create a key pair using CreateKeyPair or ImportKeyPair.

If you do not specify a key pair, you can't connect to the instance unless you choose an AMI that is configured to allow users another way to log in.

IO_MONITORING TYPE REF TO /AWS1/CL_EC2LAUNCHTMPLSMONREQ /AWS1/CL_EC2LAUNCHTMPLSMONREQ

The monitoring for the instance.

IO_PLACEMENT TYPE REF TO /AWS1/CL_EC2LAUNCHTMPLPLCMTREQ /AWS1/CL_EC2LAUNCHTMPLPLCMTREQ

The placement for the instance.

IV_RAMDISKID TYPE /AWS1/EC2RAMDISKID /AWS1/EC2RAMDISKID

The ID of the RAM disk.

We recommend that you use PV-GRUB instead of kernels and RAM disks. For more information, see User provided kernels in the Amazon EC2 User Guide.

IV_DISABLEAPITERMINATION TYPE /AWS1/EC2BOOLEAN /AWS1/EC2BOOLEAN

Indicates whether termination protection is enabled for the instance. The default is false, which means that you can terminate the instance using the Amazon EC2 console, command line tools, or API. You can enable termination protection when you launch an instance, while the instance is running, or while the instance is stopped.

IV_INSTINITIATEDSHUTDOWNBE00 TYPE /AWS1/EC2SHUTDOWNBEHAVIOR /AWS1/EC2SHUTDOWNBEHAVIOR

Indicates whether an instance stops or terminates when you initiate shutdown from the instance (using the operating system command for system shutdown).

Default: stop

IV_USERDATA TYPE /AWS1/EC2SENSITIVEUSERDATA /AWS1/EC2SENSITIVEUSERDATA

The user data to make available to the instance. You must provide base64-encoded text. User data is limited to 16 KB. For more information, see Run commands when you launch an EC2 instance with user data input in the Amazon EC2 User Guide.

If you are creating the launch template for use with Batch, the user data must be provided in the MIME multi-part archive format. For more information, see Amazon EC2 user data in launch templates in the Batch User Guide.

IT_TAGSPECIFICATIONS TYPE /AWS1/CL_EC2LAUNCHTMPLTGSPEC00=>TT_LAUNCHTMPLTAGSPECREQLIST TT_LAUNCHTMPLTAGSPECREQLIST

The tags to apply to the resources that are created during instance launch. These tags are not applied to the launch template.

IT_ELASTICGPUSPECIFICATIONS TYPE /AWS1/CL_EC2ELASTICGPUSPEC=>TT_ELASTICGPUSPECIFICATIONLIST TT_ELASTICGPUSPECIFICATIONLIST

Deprecated.

Amazon Elastic Graphics reached end of life on January 8, 2024. For workloads that require graphics acceleration, we recommend that you use Amazon EC2 G4ad, G4dn, or G5 instances.

IT_ELASTICINFERENCEACCELER00 TYPE /AWS1/CL_EC2LAUNCHTMPLELASTI00=>TT_LAUNCHTMPLELASTICINFERENC00 TT_LAUNCHTMPLELASTICINFERENC00

Amazon Elastic Inference is no longer available.

An elastic inference accelerator to associate with the instance. Elastic inference accelerators are a resource you can attach to your Amazon EC2 instances to accelerate your Deep Learning (DL) inference workloads.

You cannot specify accelerators from different generations in the same request.

Starting April 15, 2023, Amazon Web Services will not onboard new customers to Amazon Elastic Inference (EI), and will help current customers migrate their workloads to options that offer better price and performance. After April 15, 2023, new customers will not be able to launch instances with Amazon EI accelerators in Amazon SageMaker, Amazon ECS, or Amazon EC2. However, customers who have used Amazon EI at least once during the past 30-day period are considered current customers and will be able to continue using the service.

IT_SECURITYGROUPIDS TYPE /AWS1/CL_EC2SECGRPIDSTRLIST_W=>TT_SECURITYGROUPIDSTRINGLIST TT_SECURITYGROUPIDSTRINGLIST

The IDs of the security groups.

If you specify a network interface, you must specify any security groups as part of the network interface instead of using this parameter.

IT_SECURITYGROUPS TYPE /AWS1/CL_EC2SECGROUPSTRLIST_W=>TT_SECURITYGROUPSTRINGLIST TT_SECURITYGROUPSTRINGLIST

The names of the security groups. For a nondefault VPC, you must use security group IDs instead.

If you specify a network interface, you must specify any security groups as part of the network interface instead of using this parameter.

IO_INSTANCEMARKETOPTIONS TYPE REF TO /AWS1/CL_EC2LAUNCHTMPLINSTMA00 /AWS1/CL_EC2LAUNCHTMPLINSTMA00

The market (purchasing) option for the instances.

IO_CREDITSPECIFICATION TYPE REF TO /AWS1/CL_EC2CREDITSPECREQUEST /AWS1/CL_EC2CREDITSPECREQUEST

The credit option for CPU usage of the instance. Valid only for T instances.

IO_CPUOPTIONS TYPE REF TO /AWS1/CL_EC2LAUNCHTMPLCPUOPT00 /AWS1/CL_EC2LAUNCHTMPLCPUOPT00

The CPU options for the instance. For more information, see CPU options for Amazon EC2 instances in the Amazon EC2 User Guide.

IO_CAPACITYRESERVATIONSPEC TYPE REF TO /AWS1/CL_EC2LAUNCHTMPLCAPRSV00 /AWS1/CL_EC2LAUNCHTMPLCAPRSV00

The Capacity Reservation targeting option. If you do not specify this parameter, the instance's Capacity Reservation preference defaults to open, which enables it to run in any open Capacity Reservation that has matching attributes (instance type, platform, Availability Zone).

IT_LICENSESPECIFICATIONS TYPE /AWS1/CL_EC2LAUNCHTMPLLICENS00=>TT_LAUNCHTMPLLICENSESPECLSTREQ TT_LAUNCHTMPLLICENSESPECLSTREQ

The license configurations.

IO_HIBERNATIONOPTIONS TYPE REF TO /AWS1/CL_EC2LAUNCHTMPLHIBERN00 /AWS1/CL_EC2LAUNCHTMPLHIBERN00

Indicates whether an instance is enabled for hibernation. This parameter is valid only if the instance meets the hibernation prerequisites. For more information, see Hibernate your Amazon EC2 instance in the Amazon EC2 User Guide.

IO_METADATAOPTIONS TYPE REF TO /AWS1/CL_EC2LAUNCHTMPLINSTME00 /AWS1/CL_EC2LAUNCHTMPLINSTME00

The metadata options for the instance. For more information, see Configure the Instance Metadata Service options in the Amazon EC2 User Guide.

IO_ENCLAVEOPTIONS TYPE REF TO /AWS1/CL_EC2LAUNCHTMPLENCLOP00 /AWS1/CL_EC2LAUNCHTMPLENCLOP00

Indicates whether the instance is enabled for Amazon Web Services Nitro Enclaves. For more information, see What is Nitro Enclaves? in the Amazon Web Services Nitro Enclaves User Guide.

You can't enable Amazon Web Services Nitro Enclaves and hibernation on the same instance.

IO_INSTANCEREQUIREMENTS TYPE REF TO /AWS1/CL_EC2INSTREQUIREMENTS00 /AWS1/CL_EC2INSTREQUIREMENTS00

The attributes for the instance types. When you specify instance attributes, Amazon EC2 will identify instance types with these attributes.

You must specify VCpuCount and MemoryMiB. All other attributes are optional. Any unspecified optional attribute is set to its default.

When you specify multiple attributes, you get instance types that satisfy all of the specified attributes. If you specify multiple values for an attribute, you get instance types that satisfy any of the specified values.

To limit the list of instance types from which Amazon EC2 can identify matching instance types, you can use one of the following parameters, but not both in the same request:

• AllowedInstanceTypes - The instance types to include in the list. All other instance types are ignored, even if they match your specified attributes.

• ExcludedInstanceTypes - The instance types to exclude from the list, even if they match your specified attributes.

If you specify InstanceRequirements, you can't specify InstanceType.

Attribute-based instance type selection is only supported when using Auto Scaling groups, EC2 Fleet, and Spot Fleet to launch instances. If you plan to use the launch template in the launch instance wizard, or with the RunInstances API or AWS::EC2::Instance Amazon Web Services CloudFormation resource, you can't specify InstanceRequirements.

For more information, see Specify attributes for instance type selection for EC2 Fleet or Spot Fleet and Spot placement score in the Amazon EC2 User Guide.

IO_PRIVATEDNSNAMEOPTIONS TYPE REF TO /AWS1/CL_EC2LAUNCHTMPLPVTDNS00 /AWS1/CL_EC2LAUNCHTMPLPVTDNS00

The options for the instance hostname. The default values are inherited from the subnet.

IO_MAINTENANCEOPTIONS TYPE REF TO /AWS1/CL_EC2LAUNCHTMPLINSTMA01 /AWS1/CL_EC2LAUNCHTMPLINSTMA01

The maintenance options for the instance.

IV_DISABLEAPISTOP TYPE /AWS1/EC2BOOLEAN /AWS1/EC2BOOLEAN

Indicates whether to enable the instance for stop protection. For more information, see Enable stop protection for your EC2 instances in the Amazon EC2 User Guide.

IO_OPERATOR TYPE REF TO /AWS1/CL_EC2OPERATORREQUEST /AWS1/CL_EC2OPERATORREQUEST

The entity that manages the launch template.

IO_NETWORKPERFORMANCEOPTIONS TYPE REF TO /AWS1/CL_EC2LAUNCHTMPLNETWOR00 /AWS1/CL_EC2LAUNCHTMPLNETWOR00

Contains launch template settings to boost network performance for the type of workload that runs on your instance.

---

Queryable Attributes

KernelId

The ID of the kernel.

We recommend that you use PV-GRUB instead of kernels and RAM disks. For more information, see User provided kernels in the Amazon Linux 2 User Guide.

Accessible with the following methods

Method	Description
GET_KERNELID()	Getter for KERNELID, with configurable default
ASK_KERNELID()	Getter for KERNELID w/ exceptions if field has no value
HAS_KERNELID()	Determine if KERNELID has a value

EbsOptimized

Indicates whether the instance is optimized for Amazon EBS I/O. This optimization provides dedicated throughput to Amazon EBS and an optimized configuration stack to provide optimal Amazon EBS I/O performance. This optimization isn't available with all instance types. Additional usage charges apply when using an EBS-optimized instance.

Accessible with the following methods

Method	Description
GET_EBSOPTIMIZED()	Getter for EBSOPTIMIZED, with configurable default
ASK_EBSOPTIMIZED()	Getter for EBSOPTIMIZED w/ exceptions if field has no value
HAS_EBSOPTIMIZED()	Determine if EBSOPTIMIZED has a value

IamInstanceProfile

The name or Amazon Resource Name (ARN) of an IAM instance profile.

Accessible with the following methods

Method	Description
GET_IAMINSTANCEPROFILE()	Getter for IAMINSTANCEPROFILE

BlockDeviceMappings

The block device mapping.

Accessible with the following methods

Method	Description
GET_BLOCKDEVICEMAPPINGS()	Getter for BLOCKDEVICEMAPPINGS, with configurable default
ASK_BLOCKDEVICEMAPPINGS()	Getter for BLOCKDEVICEMAPPINGS w/ exceptions if field has no
HAS_BLOCKDEVICEMAPPINGS()	Determine if BLOCKDEVICEMAPPINGS has a value

NetworkInterfaces

The network interfaces for the instance.

Accessible with the following methods

Method	Description
GET_NETWORKINTERFACES()	Getter for NETWORKINTERFACES, with configurable default
ASK_NETWORKINTERFACES()	Getter for NETWORKINTERFACES w/ exceptions if field has no v
HAS_NETWORKINTERFACES()	Determine if NETWORKINTERFACES has a value

ImageId

The ID of the AMI in the format ami-0ac394d6a3example.

Alternatively, you can specify a Systems Manager parameter, using one of the following formats. The Systems Manager parameter will resolve to an AMI ID on launch.

To reference a public parameter:

• resolve:ssm:public-parameter

To reference a parameter stored in the same account:

• resolve:ssm:parameter-name

• resolve:ssm:parameter-name:version-number

• resolve:ssm:parameter-name:label

To reference a parameter shared from another Amazon Web Services account:

• resolve:ssm:parameter-ARN

• resolve:ssm:parameter-ARN:version-number

• resolve:ssm:parameter-ARN:label

For more information, see Use a Systems Manager parameter instead of an AMI ID in the Amazon EC2 User Guide.

If the launch template will be used for an EC2 Fleet or Spot Fleet, note the following:

• Only EC2 Fleets of type instant support specifying a Systems Manager parameter.

• For EC2 Fleets of type maintain or request, or for Spot Fleets, you must specify the AMI ID.

Accessible with the following methods

Method	Description
GET_IMAGEID()	Getter for IMAGEID, with configurable default
ASK_IMAGEID()	Getter for IMAGEID w/ exceptions if field has no value
HAS_IMAGEID()	Determine if IMAGEID has a value

InstanceType

The instance type. For more information, see Amazon EC2 instance types in the Amazon EC2 User Guide.

If you specify InstanceType, you can't specify InstanceRequirements.

Accessible with the following methods

Method	Description
GET_INSTANCETYPE()	Getter for INSTANCETYPE, with configurable default
ASK_INSTANCETYPE()	Getter for INSTANCETYPE w/ exceptions if field has no value
HAS_INSTANCETYPE()	Determine if INSTANCETYPE has a value

KeyName

The name of the key pair. You can create a key pair using CreateKeyPair or ImportKeyPair.

If you do not specify a key pair, you can't connect to the instance unless you choose an AMI that is configured to allow users another way to log in.

Accessible with the following methods

Method	Description
GET_KEYNAME()	Getter for KEYNAME, with configurable default
ASK_KEYNAME()	Getter for KEYNAME w/ exceptions if field has no value
HAS_KEYNAME()	Determine if KEYNAME has a value

Monitoring

The monitoring for the instance.

Accessible with the following methods

Method	Description
GET_MONITORING()	Getter for MONITORING

Placement

The placement for the instance.

Accessible with the following methods

Method	Description
GET_PLACEMENT()	Getter for PLACEMENT

RamDiskId

The ID of the RAM disk.

We recommend that you use PV-GRUB instead of kernels and RAM disks. For more information, see User provided kernels in the Amazon EC2 User Guide.

Accessible with the following methods

Method	Description
GET_RAMDISKID()	Getter for RAMDISKID, with configurable default
ASK_RAMDISKID()	Getter for RAMDISKID w/ exceptions if field has no value
HAS_RAMDISKID()	Determine if RAMDISKID has a value

DisableApiTermination

Indicates whether termination protection is enabled for the instance. The default is false, which means that you can terminate the instance using the Amazon EC2 console, command line tools, or API. You can enable termination protection when you launch an instance, while the instance is running, or while the instance is stopped.

Accessible with the following methods

Method	Description
GET_DISABLEAPITERMINATION()	Getter for DISABLEAPITERMINATION, with configurable default
ASK_DISABLEAPITERMINATION()	Getter for DISABLEAPITERMINATION w/ exceptions if field has
HAS_DISABLEAPITERMINATION()	Determine if DISABLEAPITERMINATION has a value

InstanceInitiatedShutdownBehavior

Indicates whether an instance stops or terminates when you initiate shutdown from the instance (using the operating system command for system shutdown).

Default: stop

Accessible with the following methods

Method	Description
GET_INSTINITIATEDSHUTDOWNB00()	Getter for INSTINITIATEDSHUTDOWNBEHAV, with configurable def
ASK_INSTINITIATEDSHUTDOWNB00()	Getter for INSTINITIATEDSHUTDOWNBEHAV w/ exceptions if field
HAS_INSTINITIATEDSHUTDOWNB00()	Determine if INSTINITIATEDSHUTDOWNBEHAV has a value

UserData

The user data to make available to the instance. You must provide base64-encoded text. User data is limited to 16 KB. For more information, see Run commands when you launch an EC2 instance with user data input in the Amazon EC2 User Guide.

If you are creating the launch template for use with Batch, the user data must be provided in the MIME multi-part archive format. For more information, see Amazon EC2 user data in launch templates in the Batch User Guide.

Accessible with the following methods

Method	Description
GET_USERDATA()	Getter for USERDATA, with configurable default
ASK_USERDATA()	Getter for USERDATA w/ exceptions if field has no value
HAS_USERDATA()	Determine if USERDATA has a value

TagSpecifications

The tags to apply to the resources that are created during instance launch. These tags are not applied to the launch template.

Accessible with the following methods

Method	Description
GET_TAGSPECIFICATIONS()	Getter for TAGSPECIFICATIONS, with configurable default
ASK_TAGSPECIFICATIONS()	Getter for TAGSPECIFICATIONS w/ exceptions if field has no v
HAS_TAGSPECIFICATIONS()	Determine if TAGSPECIFICATIONS has a value

ElasticGpuSpecifications

Deprecated.

Amazon Elastic Graphics reached end of life on January 8, 2024. For workloads that require graphics acceleration, we recommend that you use Amazon EC2 G4ad, G4dn, or G5 instances.

Accessible with the following methods

Method	Description
GET_ELASTICGPUSPECIFICATIONS()	Getter for ELASTICGPUSPECIFICATIONS, with configurable defau
ASK_ELASTICGPUSPECIFICATIONS()	Getter for ELASTICGPUSPECIFICATIONS w/ exceptions if field h
HAS_ELASTICGPUSPECIFICATIONS()	Determine if ELASTICGPUSPECIFICATIONS has a value

ElasticInferenceAccelerators

Amazon Elastic Inference is no longer available.

An elastic inference accelerator to associate with the instance. Elastic inference accelerators are a resource you can attach to your Amazon EC2 instances to accelerate your Deep Learning (DL) inference workloads.

You cannot specify accelerators from different generations in the same request.

Starting April 15, 2023, Amazon Web Services will not onboard new customers to Amazon Elastic Inference (EI), and will help current customers migrate their workloads to options that offer better price and performance. After April 15, 2023, new customers will not be able to launch instances with Amazon EI accelerators in Amazon SageMaker, Amazon ECS, or Amazon EC2. However, customers who have used Amazon EI at least once during the past 30-day period are considered current customers and will be able to continue using the service.

Accessible with the following methods

Method	Description
GET_ELASTICINFERENCEACCELE00()	Getter for ELASTICINFERENCEACCELERATORS, with configurable d
ASK_ELASTICINFERENCEACCELE00()	Getter for ELASTICINFERENCEACCELERATORS w/ exceptions if fie
HAS_ELASTICINFERENCEACCELE00()	Determine if ELASTICINFERENCEACCELERATORS has a value

SecurityGroupIds

The IDs of the security groups.

If you specify a network interface, you must specify any security groups as part of the network interface instead of using this parameter.

Accessible with the following methods

Method	Description
GET_SECURITYGROUPIDS()	Getter for SECURITYGROUPIDS, with configurable default
ASK_SECURITYGROUPIDS()	Getter for SECURITYGROUPIDS w/ exceptions if field has no va
HAS_SECURITYGROUPIDS()	Determine if SECURITYGROUPIDS has a value

SecurityGroups

The names of the security groups. For a nondefault VPC, you must use security group IDs instead.

If you specify a network interface, you must specify any security groups as part of the network interface instead of using this parameter.

Accessible with the following methods

Method	Description
GET_SECURITYGROUPS()	Getter for SECURITYGROUPS, with configurable default
ASK_SECURITYGROUPS()	Getter for SECURITYGROUPS w/ exceptions if field has no valu
HAS_SECURITYGROUPS()	Determine if SECURITYGROUPS has a value

InstanceMarketOptions

The market (purchasing) option for the instances.

Accessible with the following methods

Method	Description
GET_INSTANCEMARKETOPTIONS()	Getter for INSTANCEMARKETOPTIONS

CreditSpecification

The credit option for CPU usage of the instance. Valid only for T instances.

Accessible with the following methods

Method	Description
GET_CREDITSPECIFICATION()	Getter for CREDITSPECIFICATION

CpuOptions

The CPU options for the instance. For more information, see CPU options for Amazon EC2 instances in the Amazon EC2 User Guide.

Accessible with the following methods

Method	Description
GET_CPUOPTIONS()	Getter for CPUOPTIONS

CapacityReservationSpecification

The Capacity Reservation targeting option. If you do not specify this parameter, the instance's Capacity Reservation preference defaults to open, which enables it to run in any open Capacity Reservation that has matching attributes (instance type, platform, Availability Zone).

Accessible with the following methods

Method	Description
GET_CAPACITYRESERVATIONSPEC()	Getter for CAPACITYRESERVATIONSPEC

LicenseSpecifications

The license configurations.

Accessible with the following methods

Method	Description
GET_LICENSESPECIFICATIONS()	Getter for LICENSESPECIFICATIONS, with configurable default
ASK_LICENSESPECIFICATIONS()	Getter for LICENSESPECIFICATIONS w/ exceptions if field has
HAS_LICENSESPECIFICATIONS()	Determine if LICENSESPECIFICATIONS has a value

HibernationOptions

Indicates whether an instance is enabled for hibernation. This parameter is valid only if the instance meets the hibernation prerequisites. For more information, see Hibernate your Amazon EC2 instance in the Amazon EC2 User Guide.

Accessible with the following methods

Method	Description
GET_HIBERNATIONOPTIONS()	Getter for HIBERNATIONOPTIONS

MetadataOptions

The metadata options for the instance. For more information, see Configure the Instance Metadata Service options in the Amazon EC2 User Guide.

Accessible with the following methods

Method	Description
GET_METADATAOPTIONS()	Getter for METADATAOPTIONS

EnclaveOptions

Indicates whether the instance is enabled for Amazon Web Services Nitro Enclaves. For more information, see What is Nitro Enclaves? in the Amazon Web Services Nitro Enclaves User Guide.

You can't enable Amazon Web Services Nitro Enclaves and hibernation on the same instance.

Accessible with the following methods

Method	Description
GET_ENCLAVEOPTIONS()	Getter for ENCLAVEOPTIONS

InstanceRequirements

The attributes for the instance types. When you specify instance attributes, Amazon EC2 will identify instance types with these attributes.

You must specify VCpuCount and MemoryMiB. All other attributes are optional. Any unspecified optional attribute is set to its default.

When you specify multiple attributes, you get instance types that satisfy all of the specified attributes. If you specify multiple values for an attribute, you get instance types that satisfy any of the specified values.

To limit the list of instance types from which Amazon EC2 can identify matching instance types, you can use one of the following parameters, but not both in the same request:

• AllowedInstanceTypes - The instance types to include in the list. All other instance types are ignored, even if they match your specified attributes.

• ExcludedInstanceTypes - The instance types to exclude from the list, even if they match your specified attributes.

If you specify InstanceRequirements, you can't specify InstanceType.

Attribute-based instance type selection is only supported when using Auto Scaling groups, EC2 Fleet, and Spot Fleet to launch instances. If you plan to use the launch template in the launch instance wizard, or with the RunInstances API or AWS::EC2::Instance Amazon Web Services CloudFormation resource, you can't specify InstanceRequirements.

For more information, see Specify attributes for instance type selection for EC2 Fleet or Spot Fleet and Spot placement score in the Amazon EC2 User Guide.

Accessible with the following methods

Method	Description
GET_INSTANCEREQUIREMENTS()	Getter for INSTANCEREQUIREMENTS

PrivateDnsNameOptions

The options for the instance hostname. The default values are inherited from the subnet.

Accessible with the following methods

Method	Description
GET_PRIVATEDNSNAMEOPTIONS()	Getter for PRIVATEDNSNAMEOPTIONS

MaintenanceOptions

The maintenance options for the instance.

Accessible with the following methods

Method	Description
GET_MAINTENANCEOPTIONS()	Getter for MAINTENANCEOPTIONS

DisableApiStop

Indicates whether to enable the instance for stop protection. For more information, see Enable stop protection for your EC2 instances in the Amazon EC2 User Guide.

Accessible with the following methods

Method	Description
GET_DISABLEAPISTOP()	Getter for DISABLEAPISTOP, with configurable default
ASK_DISABLEAPISTOP()	Getter for DISABLEAPISTOP w/ exceptions if field has no valu
HAS_DISABLEAPISTOP()	Determine if DISABLEAPISTOP has a value

Operator

The entity that manages the launch template.

Accessible with the following methods

Method	Description
GET_OPERATOR()	Getter for OPERATOR

NetworkPerformanceOptions

Contains launch template settings to boost network performance for the type of workload that runs on your instance.

Accessible with the following methods

Method	Description
GET_NETWORKPERFORMANCEOPTS()	Getter for NETWORKPERFORMANCEOPTIONS