File interpolation is not interpolating

[myoung34]

Related to GH-145, but I'm having the issue in 0.1.1, which should include the hash related to it.

I have a lunch configuration with user_data = ${file("CDR.ps1")}

Build succeeds with

aws_launch_configuration.as_conf: Creating...
  image_id:          "" => "..."
  instance_type:     "" => "..."
  key_name:          "" => "..."
  name:              "" => "CDR..."
  security_groups.#: "" => "2"
  security_groups.0: "" => "sg-..."
  security_groups.1: "" => "sg-...."
  user_data:         "" => "${file(\"CDR.ps1\")}"
aws_launch_configuration.as_conf: Creation complete

Apply complete! Resources: 1 added, 0 changed, 0 destroyed.

The userdata in the LC is ${file("CDR.ps1")}

Same effect with:

• user_data = ${file('CDR.ps1')}
• user_data = "${file(\"CDR.ps1\")}"
• user_data = "${file('CDR.ps1')}"

[mitchellh]

Hm, I thought this was the same as #215 but maybe it isn't. Let me try.

[mitchellh]

Fixed

[myoung34]

Thanks! Can't wait to see more enhancements. Terraform is the solution to something we need in the future.

[jwestboston]

Just a heads up, the documentation seems to be out of sync with this ticket.

https://terraform.io/docs/configuration/interpolation.html

^ "file(path) - Reads the contents of a file into the string. Variables in this file are not interpolated. The contents of the file are read as-is."

but from this ticket, looks like interpolation of the contents of a file is indeed supported.

[mitchellh]

Interpolation within the file is not allowed, a separate issue was fixed.

[jwestboston]

My bad. Also, probably a good idea for security reasons.

[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.

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