Add support for ena_srd_specification in ec2_launch_template

[christophersherman]

Description

Adds support for ena_srd_specification configuration block in aws_launch_template network interfaces, enabling ENA Express settings for enhanced networking performance.

Acceptance Tests

➜  make testacc TESTARGS='-run=TestAccEC2LaunchTemplate_NetworkInterface_enaSrd' PKG=ec2

make: Verifying source code with gofmt...
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go1.23.5 test ./internal/service/ec2/... -v -count 1 -parallel 20  -run=TestAccEC2LaunchTemplate_NetworkInterface_enaSrd -timeout 360m -vet=off
2025/02/12 10:26:56 Initializing Terraform AWS Provider...
=== RUN   TestAccEC2LaunchTemplate_NetworkInterface_enaSrd
=== PAUSE TestAccEC2LaunchTemplate_NetworkInterface_enaSrd
=== CONT  TestAccEC2LaunchTemplate_NetworkInterface_enaSrd
--- PASS: TestAccEC2LaunchTemplate_NetworkInterface_enaSrd (46.62s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/ec2	54.135s

Release Notes

resource/aws_launch_template: Add `ena_srd_specification` support to `network_interfaces` configuration block

local testing (with screenshots)

   aws_launch_template.test will be created
  + resource "aws_launch_template" "test" {
      + arn             = (known after apply)
      + default_version = (known after apply)
      + id              = (known after apply)
      + image_id        = "ami-088b41ffb0933423f"
      + instance_type   = "m6i.8xlarge"
      + latest_version  = (known after apply)
      + name            = (known after apply)
      + name_prefix     = "ena-express-test-"
      + tags_all        = (known after apply)

      + network_interfaces {
          + device_index    = 0
          + security_groups = (known after apply)
          + subnet_id       = (known after apply)

          + ena_srd_specification {
              + ena_srd_enabled = true

              + ena_srd_udp_specification {
                  + ena_srd_udp_enabled = true
                }
            }
        }

      + tag_specifications {
          + resource_type = "instance"
          + tags          = {
              + "Name" = "ena-express-test-instance"
            }
        }
    }

   aws_launch_template.test2 will be created
  + resource "aws_launch_template" "test2" {
      + arn             = (known after apply)
      + default_version = (known after apply)
      + id              = (known after apply)
      + image_id        = "ami-088b41ffb0933423f"
      + instance_type   = "m6i.8xlarge"
      + latest_version  = (known after apply)
      + name            = (known after apply)
      + name_prefix     = "ena-express-test2-"
      + tags_all        = (known after apply)

      + network_interfaces {
          + device_index    = 0
          + security_groups = (known after apply)
          + subnet_id       = (known after apply)

          + ena_srd_specification {
              + ena_srd_enabled = true

              + ena_srd_udp_specification {
                  + ena_srd_udp_enabled = false
                }
            }
        }

      + tag_specifications {
          + resource_type = "instance"
          + tags          = {
              + "Name" = "ena-express-test-instance2"
            }
        }
    }

instance in test1

instance in test2

[github-actions]

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[github-actions]

Welcome @christophersherman 👋

It looks like this is your first Pull Request submission to the Terraform AWS Provider! If you haven’t already done so please make sure you have checked out our CONTRIBUTOR guide and FAQ to make sure your contribution is adhering to best practice and has all the necessary elements in place for a successful approval.

Also take a look at our FAQ which details how we prioritize Pull Requests for inclusion.

Thanks again, and welcome to the community! 😃