feat(ec2): network interface definitions for launch templates

packages/@aws-cdk-testing/framework-integ/test/aws-ec2/test/integ.launch-template.js.snapshot/aws-cdk-ec2-lt-metadata-1.template.json

@@ -284,6 +284,62 @@
      }
     ]
    }
+  },
+  "LTWithNetworkInterfacesC793C8F4": {
+   "Type": "AWS::EC2::LaunchTemplate",
+   "Properties": {
+    "LaunchTemplateData": {
+     "ImageId": {
+      "Ref": "SsmParameterValueawsserviceamiamazonlinuxlatestal2023amikernel61x8664C96584B6F00A464EAD1953AFF4B05118Parameter"
+     },
+     "NetworkInterfaces": [
+      {
+       "AssociatePublicIpAddress": false,
+       "DeleteOnTermination": true,
+       "DeviceIndex": 0
+      },
+      {
+       "AssociatePublicIpAddress": false,
+       "DeleteOnTermination": true,
+       "DeviceIndex": 1
+      }
+     ],
+     "TagSpecifications": [
+      {
+       "ResourceType": "instance",
+       "Tags": [
+        {
+         "Key": "Name",
+         "Value": "aws-cdk-ec2-lt-metadata-1/LTWithNetworkInterfaces"
+        }
+       ]
+      },
+      {
+       "ResourceType": "volume",
+       "Tags": [
+        {
+         "Key": "Name",
+         "Value": "aws-cdk-ec2-lt-metadata-1/LTWithNetworkInterfaces"
+        }
+       ]
+      }
+     ],
+     "UserData": {
+      "Fn::Base64": "#!/bin/bash"
+     }
+    },
+    "TagSpecifications": [
+     {
+      "ResourceType": "launch-template",
+      "Tags": [
+       {
+        "Key": "Name",
+        "Value": "aws-cdk-ec2-lt-metadata-1/LTWithNetworkInterfaces"
+       }
+      ]
+     }
+    ]
+   }
   }
  },
  "Mappings": {
@@ -415,6 +471,10 @@
    "Type": "AWS::SSM::Parameter::Value<AWS::EC2::Image::Id>",
    "Default": "/aws/service/ami-amazon-linux-latest/amzn2-ami-hvm-x86_64-gp2"
   },
+  "SsmParameterValueawsserviceamiamazonlinuxlatestal2023amikernel61x8664C96584B6F00A464EAD1953AFF4B05118Parameter": {
+   "Type": "AWS::SSM::Parameter::Value<AWS::EC2::Image::Id>",
+   "Default": "/aws/service/ami-amazon-linux-latest/al2023-ami-kernel-6.1-x86_64"
+  },
   "BootstrapVersion": {
    "Type": "AWS::SSM::Parameter::Value<String>",
    "Default": "/cdk-bootstrap/hnb659fds/version",

packages/@aws-cdk-testing/framework-integ/test/aws-ec2/test/integ.launch-template.ts

@@ -44,6 +44,14 @@ new ec2.LaunchTemplate(stack, 'LTWithMachineImage', {
   }),
 });
 
+new ec2.LaunchTemplate(stack, 'LTWithNetworkInterfaces', {
+  machineImage: ec2.MachineImage.latestAmazonLinux2023(),
+  networkInterfaces: [
+    { associatePublicIpAddress: false, deviceIndex: 0, deleteOnTermination: true },
+    { associatePublicIpAddress: false, deviceIndex: 1, deleteOnTermination: true },
+  ],
+});
+
 new integ.IntegTest(app, 'LambdaTest', {
   testCases: [stack],
   diffAssets: true,

packages/aws-cdk-lib/aws-ec2/README.md

@@ -2414,6 +2414,35 @@ const launchTemplate = new ec2.LaunchTemplate(this, 'LaunchTemplate', {
 });
 ```
 
+Following demonstrates how to add multiple network interface cards to launch template.
+
+```ts
+declare const vpc: ec2.Vpc;
+
+const sg1 = new ec2.SecurityGroup(this, 'sg1', {
+  vpc: vpc,
+});
+const sg2 = new ec2.SecurityGroup(this, 'sg2', {
+  vpc: vpc,
+});
+
+new ec2.LaunchTemplate(this, 'LaunchTemplate', {
+  machineImage: ec2.MachineImage.latestAmazonLinux2023(),
+  networkInterfaces: [
+    {
+      associatePublicIpAddress: false,
+      deviceIndex: 0,
+      groups: [sg1],
+    },
+    {
+      associatePublicIpAddress: false,
+      deviceIndex: 1,
+      groups: [sg2],
+    },
+  ],
+});
+```
+
 Please note this feature does not support Launch Configurations.
 
 ## Detailed Monitoring