Can't Escape Special Characters in -Var with Terraform Plan

[Ryan Howard]

Hi All,

I'm having an issue with terraform, and am currently using version 0.7.2, here's what I'm running into. I'm doing my normal "terraform plan", however I'm adding a variable as input this time. doing something like:

terraform plan -var 'my_var=my_value' 

that works fine, but I can't get it to work with an equal sign on the end, or with a special character at the beginning such as a zero(0), like this:

terraform plan -var 'my_var=0encrypted=' 

Looked into escaping documentation, and nothing seems to work so far. Any hint in the right direction? I tried doing 'my_var=encrypted\=' and that doesn't work. I need to pass some private variables in at run time, and don't want to store these in a file. Is there a good way to escape these non alphabetical chars, or do I need to go another direction entirely?

Thanks!

Ryan

[Lowe Schmidt]

what shell are you using? You most likely need to use " for escaping to work. 

Can you try something like terraform plan -var "'my_var=my_escaped\_value'" 

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Lowe Schmidt | +46 723 867 157

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[Ryan Howard]

Thanks for the reply, Lowe. I'm using Powershell 5.1. Below is the cleaned up version of what I'm trying. Still doesn't work though, any thoughts?

Terraform plan -var "'other_client_stuff=myvariablestuff\='"

Note the single quotes enclosed in double quotes.

Thanks!

On Monday, September 26, 2016 at 9:36:59 AM UTC-5, Lowe Schmidt wrote:

what shell are you using? You most likely need to use " for escaping to work. 

Can you try something like terraform plan -var "'my_var=my_escaped\_value'" 

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Lowe Schmidt | +46 723 867 157

On 26 September 2016 at 16:18, Ryan Howard <ryh...@gmail.com> wrote:

Hi All,

I'm having an issue with terraform, and am currently using version 0.7.2, here's what I'm running into. I'm doing my normal "terraform plan", however I'm adding a variable as input this time. doing something like:

terraform plan -var 'my_var=my_value' 

that works fine, but I can't get it to work with an equal sign on the end, or with a special character at the beginning such as a zero(0), like this:

terraform plan -var 'my_var=0encrypted=' 

Looked into escaping documentation, and nothing seems to work so far. Any hint in the right direction? I tried doing 'my_var=encrypted\=' and that doesn't work. I need to pass some private variables in at run time, and don't want to store these in a file. Is there a good way to escape these non alphabetical chars, or do I need to go another direction entirely?

Thanks!

Ryan

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[Rob Coward]

Have you tried passing the values in as environment variables ?

TF_VAR_other_client_stuff=myvariablestuff\= terraform plan

[Lowe Schmidt]

My powershell knowledge is very limited, sorry :&

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[Ryan Howard]

Hey Rob, 

I did try that, but it doesn't seem to be supported. My Environment variables aren't being read and it's still asking for the missing variable. Have you done this with the latest version of terraform and it worked for you? Specifically on windows and not linux.

[Rob Coward]

Sorry, that was *nix syntax creeping in - I don't believe windows allows the setting of environment variables in-line in the same way that you can with linux. You certainly can read in environment variables to set values on your terraform variables though.

In a cmd shell, you can do:

set TF_VAR_other_client_stuff=myvariablestuff\=
terraform plan

and terraform will set the value of your other_client_stuff variable from the corresponding environment variable. I use it all the time to hide credentials when demoing terraform provider functionality.

[Ryan Howard]

Thanks Rob, worked beautifully, I just got hung up on a typo!

-Ryan