r/aws_launch_template: Add arn as an attribute

[MattMcNam]

Fixes #5028

Changes proposed in this pull request:

• Add arn attribute to aws_launch_template

Output from acceptance testing:

$ make testacc TEST=./aws TESTARGS='-run=TestAccAWSLaunchTemplate_'
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./aws -v -run=TestAccAWSLaunchTemplate_ -timeout 120m
=== RUN   TestAccAWSLaunchTemplate_importBasic
--- PASS: TestAccAWSLaunchTemplate_importBasic (29.62s)
=== RUN   TestAccAWSLaunchTemplate_importData
--- PASS: TestAccAWSLaunchTemplate_importData (27.34s)
=== RUN   TestAccAWSLaunchTemplate_basic
--- PASS: TestAccAWSLaunchTemplate_basic (25.88s)
=== RUN   TestAccAWSLaunchTemplate_BlockDeviceMappings_EBS
--- PASS: TestAccAWSLaunchTemplate_BlockDeviceMappings_EBS (32.49s)
=== RUN   TestAccAWSLaunchTemplate_data
--- PASS: TestAccAWSLaunchTemplate_data (24.47s)
=== RUN   TestAccAWSLaunchTemplate_update
--- PASS: TestAccAWSLaunchTemplate_update (44.24s)
=== RUN   TestAccAWSLaunchTemplate_tags
--- PASS: TestAccAWSLaunchTemplate_tags (47.12s)
=== RUN   TestAccAWSLaunchTemplate_nonBurstable
--- PASS: TestAccAWSLaunchTemplate_nonBurstable (24.84s)
PASS
ok  	github.com/terraform-providers/terraform-provider-aws/aws	256.037s

Output from Terraform:

$ cat main.tf
resource "aws_launch_template" "foo" {
  name = "foo"
}
output "arn" {
  value = "${aws_launch_template.foo.arn}"
}

$ terraform output
arn = arn:aws:ec2:eu-west-1:328265934943:launch-template/lt-03a73f9324975f728

[bflad]

LGTM -- thanks! 🚀

$ make testacc TEST=./aws TESTARGS='-run=TestAccAWSLaunchTemplate'
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./aws -v -run=TestAccAWSLaunchTemplate -timeout 120m
=== RUN   TestAccAWSLaunchTemplate_importBasic
--- PASS: TestAccAWSLaunchTemplate_importBasic (15.57s)
=== RUN   TestAccAWSLaunchTemplate_importData
--- PASS: TestAccAWSLaunchTemplate_importData (13.55s)
=== RUN   TestAccAWSLaunchTemplate_basic
--- PASS: TestAccAWSLaunchTemplate_basic (12.82s)
=== RUN   TestAccAWSLaunchTemplate_BlockDeviceMappings_EBS
--- PASS: TestAccAWSLaunchTemplate_BlockDeviceMappings_EBS (16.93s)
=== RUN   TestAccAWSLaunchTemplate_data
--- PASS: TestAccAWSLaunchTemplate_data (11.42s)
=== RUN   TestAccAWSLaunchTemplate_update
--- PASS: TestAccAWSLaunchTemplate_update (22.97s)
=== RUN   TestAccAWSLaunchTemplate_tags
--- PASS: TestAccAWSLaunchTemplate_tags (23.50s)
=== RUN   TestAccAWSLaunchTemplate_nonBurstable
--- PASS: TestAccAWSLaunchTemplate_nonBurstable (12.66s)
PASS
ok  	github.com/terraform-providers/terraform-provider-aws/aws	130.037s

[bflad]

This has been released in version 1.29.0 of the AWS provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

[ghost]

I'm going to lock this issue because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active issues.

If you feel this issue should be reopened, we encourage creating a new issue linking back to this one for added context. Thanks!