Add arn_suffix output value for aws_alb_target_group

[Tomino2112]

At the moment, only output values for aws_alb_target_group are id and arn

When setting cloudwatch alarms, dimensions should be referenced by the arn suffixes, as is correctly exported by aws_alb

[kwilczynski]

@Tomino2112 hi there!

I am happy to report that this was recently done via #9734, therefore it is going to be included in an upcoming release (0.7.8).

[Tomino2112]

@kwilczynski Awesome ! In the meantime though, is there something I can do? I am trying to use split fn but cannot really get my head around how to reference the last part?

I am trying:

split(":", aws_alb_target_group.api_rest.arn).last -> error

element(split(":", aws_alb_target_group.api_rest.arn), how_to_get_length_of_list)

[Tomino2112]

Never mind, I have just done this:

${element(split(":", aws_alb_target_group.api_rest.arn), 5)}

5 is hardcoded, but will do until the new version is out

[ghost]

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