Set correct TG for listeners for Terraform 0.11 (fixed #119)

[aidan-melen]

PR o'clock

When you specify two ALB listeners (http-80 and http-8080) and two Target Groups (tg-80 and tg-8080), you get the following mapping:

http-80 -> tg-80
http-8080 -> tg-80

and instead of the expected:

http-80 -> tg-80
http-8080 -> tg-8080

Please explain the changes you made here and link to any relevant issues.

Checklist

• terraform fmt and terraform validate both work from the root and examples/alb_test_fixture directories (look in CI for an example)
• Tests for the changes have been added and passing (for bug fixes/features)
• Test results are pasted in this PR (in lieu of CI)
• Docs have been added/updated (for bug fixes/features)
• Any breaking changes are noted in the description above

[aidan-melen]

related to: #119

[aidan-melen]

the travis-ci is failing is complete unrealted to my changes. the CI/CD test environment looks missconfigured the the aws provider region:

$$$$$$ Running command `terraform destroy -force -lock=true -lock-timeout=0s -input=false  -parallelism=10 -refresh=true   /home/travis/build/terraform-aws-modules/terraform-aws-alb/examples/alb_test_fixture`

       

       Error: Error refreshing state: 1 error(s) occurred:

       

       * provider.aws: Invalid AWS Region: 

       

       

-----> Destroying <default-aws>...

$$$$$$ Running command `terraform init -input=false -lock=true -lock-timeout=0s  -force-copy -backend=true  -get=true -get-plugins=true  -verify-plugins=true /home/travis/build/terraform-aws-modules/terraform-aws-alb/examples/alb_test_fixture`

       Initializing modules...

       - module.vpc

       - module.security_group

       - module.alb

       

       Initializing provider plugins...

       

       Terraform has been successfully initialized!

$$$$$$ Running command `terraform workspace select kitchen-terraform-default-aws`

$$$$$$ Running command `terraform destroy -force -lock=true -lock-timeout=0s -input=false  -parallelism=10 -refresh=true   /home/travis/build/terraform-aws-modules/terraform-aws-alb/examples/alb_test_fixture`

       

       Error: Error refreshing state: 1 error(s) occurred:

       

       * provider.aws: Invalid AWS Region: 

       ```

[aidan-melen]

@brandoconnor do you have any idea why the CI/CD is running this way?

[antonbabenko]

v3.7.0 of this module has been just released for Terraform 0.11 users.

Thank you again, @aidan-melen !

[github-actions]

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