Amazon Elastic Compute Cloud Update: This release changes the CreateLaunchTemplate, CreateLaunchTemplateVersion, ModifyLaunchTemplate CLI and SDKs such that if you do not specify a client token, a randomly generated token is used for the request to ensure idempotency.

Author: AWS

.changes/next-release/feature-AmazonElasticComputeCloud-10ff8d9.json

@@ -0,0 +1,6 @@
+{
+    "type": "feature",
+    "category": "Amazon Elastic Compute Cloud",
+    "contributor": "",
+    "description": "This release changes the CreateLaunchTemplate, CreateLaunchTemplateVersion, ModifyLaunchTemplate CLI and SDKs such that if you do not specify a client token, a randomly generated token is used for the request to ensure idempotency."
+}

services/ec2/src/main/resources/codegen-resources/service-2.json

@@ -2327,7 +2327,7 @@
       },
       "input":{"shape":"DescribeAvailabilityZonesRequest"},
       "output":{"shape":"DescribeAvailabilityZonesResult"},
-      "documentation":"<p>Describes the Availability Zones, Local Zones, and Wavelength Zones that are available to you. If there is an event impacting a zone, you can use this request to view the state and any provided messages for that zone.</p> <p>For more information about Availability Zones, Local Zones, and Wavelength Zones, see <a href=\"https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-regions-availability-zones.html\">Regions and zones</a> in the <i>Amazon EC2 User Guide</i>.</p> <note> <p>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.</p> </note>"
+      "documentation":"<p>Describes the Availability Zones, Local Zones, and Wavelength Zones that are available to you.</p> <p>For more information about Availability Zones, Local Zones, and Wavelength Zones, see <a href=\"https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-regions-availability-zones.html\">Regions and zones</a> in the <i>Amazon EC2 User Guide</i>.</p> <note> <p>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.</p> </note>"
     },
     "DescribeAwsNetworkPerformanceMetricSubscriptions":{
       "name":"DescribeAwsNetworkPerformanceMetricSubscriptions",
@@ -9751,7 +9751,7 @@
       "members":{
         "OptInStatus":{
           "shape":"AvailabilityZoneOptInStatus",
-          "documentation":"<p>For Availability Zones, this parameter always has the value of <code>opt-in-not-required</code>.</p> <p>For Local Zones and Wavelength Zones, this parameter is the opt-in status. The possible values are <code>opted-in</code>, and <code>not-opted-in</code>.</p>",
+          "documentation":"<p>For Availability Zones, this parameter always has the value of <code>opt-in-not-required</code>.</p> <p>For Local Zones and Wavelength Zones, this parameter is the opt-in status. The possible values are <code>opted-in</code> and <code>not-opted-in</code>.</p>",
           "locationName":"optInStatus"
         },
         "Messages":{
@@ -9786,7 +9786,7 @@
         },
         "ZoneType":{
           "shape":"String",
-          "documentation":"<p>The type of zone. The valid values are <code>availability-zone</code>, <code>local-zone</code>, and <code>wavelength-zone</code>.</p>",
+          "documentation":"<p>The type of zone.</p> <p>Valid values: <code>availability-zone</code> | <code>local-zone</code> | <code>wavelength-zone</code> </p>",
           "locationName":"zoneType"
         },
         "ParentZoneName":{
@@ -9806,7 +9806,7 @@
         },
         "State":{
           "shape":"AvailabilityZoneState",
-          "documentation":"<p>The state of the Availability Zone, Local Zone, or Wavelength Zone. This value is always <code>available</code>.</p>",
+          "documentation":"<p>The state of the Availability Zone, Local Zone, or Wavelength Zone. The possible values are <code>available</code>, <code>unavailable</code>, and <code>constrained</code>.</p>",
           "locationName":"zoneState"
         }
       },
@@ -14555,7 +14555,8 @@
         },
         "ClientToken":{
           "shape":"String",
-          "documentation":"<p>Unique, case-sensitive identifier you provide to ensure the idempotency of the request. For more information, see <a href=\"https://docs.aws.amazon.com/AWSEC2/latest/APIReference/Run_Instance_Idempotency.html\">Ensuring idempotency</a>.</p> <p>Constraint: Maximum 128 ASCII characters.</p>"
+          "documentation":"<p>Unique, case-sensitive identifier you provide to ensure the idempotency of the request. If a client token isn't specified, a randomly generated token is used in the request to ensure idempotency.</p> <p>For more information, see <a href=\"https://docs.aws.amazon.com/AWSEC2/latest/APIReference/Run_Instance_Idempotency.html\">Ensuring idempotency</a>.</p> <p>Constraint: Maximum 128 ASCII characters.</p>",
+          "idempotencyToken":true
         },
         "LaunchTemplateName":{
           "shape":"LaunchTemplateName",
@@ -14605,7 +14606,8 @@
         },
         "ClientToken":{
           "shape":"String",
-          "documentation":"<p>Unique, case-sensitive identifier you provide to ensure the idempotency of the request. For more information, see <a href=\"https://docs.aws.amazon.com/AWSEC2/latest/APIReference/Run_Instance_Idempotency.html\">Ensuring idempotency</a>.</p> <p>Constraint: Maximum 128 ASCII characters.</p>"
+          "documentation":"<p>Unique, case-sensitive identifier you provide to ensure the idempotency of the request. If a client token isn't specified, a randomly generated token is used in the request to ensure idempotency.</p> <p>For more information, see <a href=\"https://docs.aws.amazon.com/AWSEC2/latest/APIReference/Run_Instance_Idempotency.html\">Ensuring idempotency</a>.</p> <p>Constraint: Maximum 128 ASCII characters.</p>",
+          "idempotencyToken":true
         },
         "LaunchTemplateId":{
           "shape":"LaunchTemplateId",
@@ -31916,7 +31918,7 @@
         },
         "KmsKeyId":{
           "shape":"KmsKeyId",
-          "documentation":"<p>Identifier (key ID, key alias, key ARN, or alias ARN) of the customer managed KMS key to use for EBS encryption.</p> <p>This parameter is only supported on <code>BlockDeviceMapping</code> objects called by <a href=\"https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_CreateFleet.html\">CreateFleet</a>, <a href=\"https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_RequestSpotInstances.html\">RequestSpotInstances</a>, and <a href=\"https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_RunInstances.html\">RunInstances</a>.</p>"
+          "documentation":"<p>Identifier (key ID, key alias, key ARN, or alias ARN) of the customer managed KMS key to use for EBS encryption.</p> <p>This parameter is only supported on <code>BlockDeviceMapping</code> objects called by <a href=\"https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_RunInstances.html\">RunInstances</a>, <a href=\"https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_RequestSpotFleet.html\">RequestSpotFleet</a>, and <a href=\"https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_RequestSpotInstances.html\">RequestSpotInstances</a>.</p>"
         },
         "SnapshotId":{
           "shape":"SnapshotId",
@@ -32106,7 +32108,7 @@
         },
         "BlockDeviceMappings":{
           "shape":"FleetBlockDeviceMappingRequestList",
-          "documentation":"<p>The block device mapping, which defines the EBS volumes and instance store volumes to attach to the instance at launch. For more information, see <a href=\"https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/block-device-mapping-concepts.html\">Block device mappings for volumes on Amazon EC2 instances</a> in the <i>Amazon EC2 User Guide</i>.</p>",
+          "documentation":"<p>The block device mapping, which defines the EBS volumes and instance store volumes to attach to the instance at launch. For more information, see <a href=\"https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/block-device-mapping-concepts.html\">Block device mappings for volumes on Amazon EC2 instances</a> in the <i>Amazon EC2 User Guide</i>.</p> <p>To override a block device mapping specified in the launch template:</p> <ul> <li> <p>Specify the exact same <code>DeviceName</code> here as specified in the launch template.</p> </li> <li> <p>Only specify the parameters you want to change.</p> </li> <li> <p>Any parameters you don't specify here will keep their original launch template values.</p> </li> </ul> <p>To add a new block device mapping:</p> <ul> <li> <p>Specify a <code>DeviceName</code> that doesn't exist in the launch template.</p> </li> <li> <p>Specify all desired parameters here.</p> </li> </ul>",
           "locationName":"BlockDeviceMapping"
         },
         "InstanceRequirements":{
@@ -37482,7 +37484,7 @@
         },
         "Tags":{
           "shape":"TagList",
-          "documentation":"<p>The instance tags associated with the event window. Any instances associated with the tags will be associated with the event window.</p> <p>Note that while you can't create tag keys beginning with <code>aws:</code>, you can specify existing Amazon Web Services managed tag keys (with the <code>aws:</code> prefix) when specifying them as targets to associate with the event window.</p>",
+          "documentation":"<p>The instance tags associated with the event window. Any instances associated with the tags will be associated with the event window.</p>",
           "locationName":"tagSet"
         },
         "DedicatedHostIds":{
@@ -38499,7 +38501,7 @@
         },
         "AcceleratorTypes":{
           "shape":"AcceleratorTypeSet",
-          "documentation":"<p>The accelerator types that must be on the instance type.</p> <ul> <li> <p>For instance types with FPGA accelerators, specify <code>fpga</code>.</p> </li> <li> <p>For instance types with GPU accelerators, specify <code>gpu</code>.</p> </li> <li> <p>For instance types with Inference accelerators, specify <code>inference</code>.</p> </li> </ul> <p>Default: Any accelerator type</p>",
+          "documentation":"<p>The accelerator types that must be on the instance type.</p> <ul> <li> <p>For instance types with FPGA accelerators, specify <code>fpga</code>.</p> </li> <li> <p>For instance types with GPU accelerators, specify <code>gpu</code>.</p> </li> <li> <p>For instance types with Inference accelerators, specify <code>inference</code>.</p> </li> <li> <p>For instance types with Inference accelerators, specify <code>inference</code>.</p> </li> </ul> <p>Default: Any accelerator type</p>",
           "locationName":"acceleratorTypeSet"
         },
         "AcceleratorCount":{
@@ -46111,7 +46113,8 @@
         },
         "ClientToken":{
           "shape":"String",
-          "documentation":"<p>Unique, case-sensitive identifier you provide to ensure the idempotency of the request. For more information, see <a href=\"https://docs.aws.amazon.com/AWSEC2/latest/APIReference/Run_Instance_Idempotency.html\">Ensuring idempotency in Amazon EC2 API requests</a>.</p> <p>Constraint: Maximum 128 ASCII characters.</p>"
+          "documentation":"<p>Unique, case-sensitive identifier you provide to ensure the idempotency of the request. If a client token isn't specified, a randomly generated token is used in the request to ensure idempotency.</p> <p>For more information, see <a href=\"https://docs.aws.amazon.com/AWSEC2/latest/APIReference/Run_Instance_Idempotency.html\">Ensuring idempotency</a>.</p> <p>Constraint: Maximum 128 ASCII characters.</p>",
+          "idempotencyToken":true
         },
         "LaunchTemplateId":{
           "shape":"LaunchTemplateId",
@@ -49905,7 +49908,7 @@
       "members":{
         "Managed":{
           "shape":"Boolean",
-          "documentation":"<p>If <code>true</code>, the resource is managed by a service provider.</p>",
+          "documentation":"<p>If <code>true</code>, the resource is managed by an service provider.</p>",
           "locationName":"managed"
         },
         "Principal":{
@@ -49914,7 +49917,7 @@
           "locationName":"principal"
         }
       },
-      "documentation":"<p>Describes whether the resource is managed by a service provider and, if so, describes the service provider that manages it.</p>"
+      "documentation":"<p>Describes whether the resource is managed by an service provider and, if so, describes the service provider that manages it.</p>"
     },
     "OrganizationArnStringList":{
       "type":"list",