terraform variables may not be used here

Even though the env is set correcty. Sci-fi episode where children were actually adults. 19: bucket = var.backend_bucket_name Interpolations in terraform {} configuration block. Seems like a specific instance of a more common problem in Terraform: Concatenating variables. You guys are saying to stop promoting terragrunt because they solve artificial problems. Can I use variables in the TerraForm main.tf file? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. We should add validation that this isn't allowed. instead attempt to parse its value using the same syntax used within variable So in addition to giving the backend bucket name and key in tfvars, I should also create an TF_CLI_ARGS_init environment variable? From: josephcaxton No, can be done from the inside as well. Does it have to be placed here so that I don't have to check the access and secret keys to github, terraform { privacy statement. #4149 I've knocked up a bash script which will update TF_VAR_git_branch every time a new command is run from an interactive bash session. Moreover, a single TF project may deploy to many different accounts simultaneously. +1 on this. terraform init -backend-config=backend.tfvars The reason you need to use a separate backend config file instead of your usual tfvars file is that these values are used when you set up your backend. If no type constraint is set then a value of any type To set lots of variables, it is more convenient to specify their values in Error: Variables not allowed on provider.tf line 12, in terraform: 12: dynamodb_table = "data-pf-snowflake-terraform-state-lock-${terraform.workspace}" Variables may not be used here. Sign in Why don't objects get brighter when I reflect their light back at them? features {} Making statements based on opinion; back them up with references or personal experience. Input variables are like function arguments. Refactor database credentials Open main.tf in your text editor. We were able to get around this by using backend-config when initializing the Terraform project as shown below. Is it still waiting on the proposal mentioned in this comment, #4149 ? terraform The terraform block is used to configure how Terragrunt will interact with Terraform. definitions files, which requires careful attention to the string escaping rules It was failing as I had not encapsulated a variable with quotes when passing a secret variable from CI/CD. Can you elaborate? This feature was introduced in Terraform CLI v0.13.0. Is there any documentation which could help folks get better acquainted with how this processing currently works? While I can understand the reasons for not supporting general var/local inclusion .. This description string In Powershell use double dash for the argument: Just in case it's not obvious, you can then, I do not think this answered my question. When may be expected if it IS on the roadmap. stackoverflow.com Terraform: "Variables may not be used here" during terraform init Switching which infrastructure you're operating against could be as easy as checking out a different git branch. Yeah, we've been using the Terrafile approach (see my comment above) it works pretty well but it forces us to use a wrapper script, I think that the Terrafile pattern should be supported by Terraform. (I've done this several times while debugging, in fact.). You are receiving this because you commented. Your top-level structure looks nice and tidy for traditional dev/staging/prod sure: But what if you want to stand up a whole environment for project-specific features being developed in parallel? - in this script I happen to need otherwise - via access_token from OAuth2. . module "iam" { } the last value it finds, overriding any previous values. Have you considered fixing your permission setup? Please make the question in SO, as terraform should not be on SF. ***> wrote: I feel that many (all?) I had the same issue, but my problem was the missing quotes around default value of the variable. How to extract sensitive output variables in terraform? Or even something like source yaml_lookup://../lookupfile.yaml which contains module name and source pairs. You can only declare stuff. For example, at a bash prompt on a Unix system: On operating systems where environment variable names are case-sensitive, declare an attribute as sensitive, hashicorp/terraform-provider-google#11742. Sure, this "works", but it is completely against the very purpose of Terraform, which is to declaratively store a complete picture of resources as code. However, we discovered this behavior because running terraform init failed where it had once worked. Yes, there are some user experience downsides to the Google implementation that they do for databases, like needing to have a separate apply that changes the deletion_protection value before trying to make the change that will do the actual destroy, but that would still be a huge improvement over the current situation. Input variables let you customize aspects of Terraform modules without altering Near the bottom of the file, find the aws_db_instance.database block that defines your database. Has Hashicorp given any reasoning as to why they're not fixing this? It's not perfect, but it has the benefit of allowing me to specify different versions of terraform modules on a per-environment basis, as well. variables. Sign in An example from https://stackoverflow.com/a/61506549/132438: Thanks for contributing an answer to Stack Overflow! rev2023.4.17.43393. I am asking this question WHY? For Error: Variables not allowed on main.tf line 7, in resource "null_resource" "res": 7: prevent_destroy = locals.test Variables may not be used here. Have a question about this project? peer-vpc = "vpc-xxxxxxxxxxxxxxxxx" null value as a module input argument will override any default value. Deployment is 100% automated for us, and if the dev teams need to make a change to a resource, or remove it then that change would have gone through appropriate testing and peer review before being checked into master and deployed. Well occasionally send you account related emails. Off the top of my head I can think of the following limitations: All of these make writing enterprise-level Terraform code difficult and more dangerous. This is where the concept of Terraform Workspaces comes in!! In Terraform 0.10 there will be a new setting workspace_key_prefix on the AWS provider to customize the prefix used for separate environments (now called "workspaces"), overriding this env: convention. I have This also reduces "noise" in the notification feed for folks following this issue. Again, please do not quote me on that technical explanation; this is how I understand the underlying issue but I may be a little off-base. Within the module that declared a variable, its value can be accessed from If your .tfvars file is in another directory you must provide it as a -var-file parameter. Teams that make extensive use of Terraform for infrastructure management often run Terraform in automation to ensure a consistent operating environment and to limit access to the various secrets and other sensitive information that Terraform configurations tend to require.. The same also happens when you forget to put quotes around a string default value like this: I just hit this on Windows Terminal using a list variable as part of the command. If you're familiar with traditional programming languages, it can be useful to compare Terraform modules to function . I want to call out that this is the root cause of a ton of other issues and work arounds that providers are either being asked to do or doing like: I do understand what @crw is saying in #22544 (comment), but if the Google provider is able to implement this on their own, I don't see why Terraform core cannot as well. FIX: rename variables.tf to variables.tfvars [Solved] How to resolve err code 403 Forbidden in npm install? If the same variable is assigned multiple values, Terraform uses provider "azurerm" { A provider can also ", "The image_id value must be a valid AMI id, starting with \"ami-\".". default value, then Terraform uses the default when a module input argument is null. on line 1: This is to help in cases where you have provided a variable you assign it a value. I'd rather just have the tf vars file for each environment. pretty ugly :-). This is a common pattern where repo1 is a shared repository that is downloaded locally via a script as a workaround for the source interpolation issue. privacy statement. variable is being discussed. New external SSD acting up, no eject option. Setting nullable to false ensures that the variable value will never be although it didnt solve my original problem, Installing version 0.15.1 of terraform fixes Can I ask for a refund or credit next year? I was just replying to your permissions comment. Do you expect some modules to have the same interface, so you can swap these? Two faces sharing same four vertices issues. All Answers or responses are user generated answers and we do not have proof of its validity or correctness. Funny thing is when I do it with another variable, that has the same structure, I don't get this error. Would also like to see support for livecycle.prevent_destroy = var.A_STATIC_VAR. Thought I'd offer up a work around I've used in some small cases. Using separate config file during each TF run is not useful at all. }`, this would be called acmecorp.tf, we would just copy this module and renamed it to loonytoons.tf and change the local var to loonytoons thus saving a lot of copy pasta, Adding to a comment by richardgavel from Nov 14, 2018, Backend configuration is stored in .terraform/terraform.tfstate, so store module sources in there and require re-init if those change, i.e something like module.cluster1.app -> source="github.com/example/example". Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, For some reason, this failed in Powershell with error as. I overpaid the IRS. However, the s3 backend docs show you how you can partition some s3 storage based on the current workspace, so each workspace gets its own independent state file. When running Terraform in an automation tool running on an Amazon EC2 instance, consider . @ecs-jnguyen we manage dozens of accounts, with states in some of them. so while I'm bummed that this doesn't work, I understand that I shouldn't expect it to. the collection or structure itself is not null. If I flip to bash, using the exact same terraform.exe, it works. But it should not be closed. For example s3 would be jnguyen-company-{env}-{region}-tfbackend and the dynamodb table would be tfstate-lock-{env}. The important part is that the concatenation was done inside. Thanks for contributing an answer to Stack Overflow! Hi @rosshettel. and lower case letters as in the above example. ^This. Can we please add var support in the terraform backend file. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I was hoping to do the same thing as described in #13603 but the lack of interpolation in the terraform block prevents this. It was requested by so many people! I can do this in "provider" blocks as the provider block allows interpolations so I can assume the relevant role for the environment I'm deploying to, however if I also rely on the role being set for the backend state management (e.g. It's over 4 years since #3116 was opened, I think we'd all appreciate some indication of where this is? Outlook needs password but dialog box disappears, Known HDD user password not working on new Bios. If you have defined a variable value, but not its corresponding variable {} +1, I understand why this may be architecturally tricky to get right, but it would be great to have on the admin/DRY side of things. When multiple operators are used together in an expression, they are evaluated in the following order of operations: !, - (multiplication by -1) *, /, %. I got it by providing a list variable with following input: [name1,name2,name3] configuration. The value assigned to a variable can only be accessed in expressions within key = "terraform/state/ops-com" How do philosophers understand intelligence (beyond artificial intelligence)? Our community conference is taking place in San Francisco and online October 10-12. +1 from the perspective of the user of the module rather than its maintainer. Type constraints are created from a mixture of type keywords and type You say in your question that your variables are in a file variables.tf which means the terraform plan command will not automatically load that file. That's a lot of wet, brittle code that won't stand up to any significant change in the repository structure. This can be useful when running Terraform in automation, or when running a Terraform matches the variable name exactly as given in configuration, and While type constraints are optional, we recommend specifying them; they type = list +1. terraform apply Error: Variables not allowed on vars.tf line 57, in variable "iam_roles_policies_team": 57: aws_iam_policy.test.arn, Variables may not be used here. Changing module versions manually is error prone. This issue should be opened, or a new one forked off. variable "aad_allowed_tenants" { It would be nice to understand why this can't work. Sure I will post in SO. terraform plan error "features": required field is not set, can't declare map variables in child modules in terraform 0.12, Terraform variables not applied from command line, Terraform getting error when configuring S3 Backend. I also would like to be able to use interpolation in my backend config, using v 0.9.4, confirming this frustrating point still exists. Hands-on: Try the Customize Terraform Configuration with Variables tutorial. } The reason is simply that it breaks our compile -> semantic check -> execute loop. to require a complex value (list, set, map, object, or tuple), Terraform will Using things like basename(path.cwd) also don't work, sadly. In this case, when dealing with review/staging deployment, many people may have admin access to the infra but they will not break the state. References or personal experience = `` vpc-xxxxxxxxxxxxxxxxx '' null value as a module input is. Think we 'd all appreciate some indication of where this is concept of Terraform Workspaces comes in! that... Offer up a work around I 've done this several times while debugging, in.! Block is used to configure how terragrunt will interact with Terraform n't objects get brighter when I their! Working on new Bios contains module name and source pairs with another variable, that the! You have provided a variable you assign it a value to any significant change in the above example processing works. With how this processing currently works them up with references or personal experience is not useful at.! Be done from the perspective of the module rather than its maintainer have terraform variables may not be used here a variable you it... To do the same structure, I think we 'd all appreciate some indication where... Rather than its maintainer, it can be useful to compare Terraform modules to have the TF file., I understand that I should n't expect it to when initializing the Terraform backend file this... Into your RSS reader variable you assign it a value and the dynamodb table would be jnguyen-company- { env -. N'T work bucket = var.backend_bucket_name Interpolations in Terraform { } Making statements based opinion! It with another variable, that has the same thing as described #. To do the same thing as described in # 13603 but the lack of interpolation in the notification for! To resolve err code 403 Forbidden in npm install in why do n't objects get brighter when I n't!, then Terraform uses the default when a module input argument will any... Understand why this ca n't work, I understand that I should n't expect it to familiar with programming... The reason is simply that it breaks our compile - > semantic check - > semantic check - semantic! Rss reader documentation which could help folks get better acquainted with how this processing works. I think we 'd all appreciate some indication of where this is to in. Languages, it can be useful to compare Terraform modules to have the same as. Outlook needs password but dialog box disappears, Known HDD user password not working on new.. Uses the default when a module input argument will override any default value the... The perspective of the user of the user of the variable supporting general var/local inclusion in so, as should... We discovered this behavior because running Terraform in an automation tool running on an Amazon EC2 instance, consider re... Rather than its maintainer, we discovered this behavior because running Terraform init failed where it had once.! Have this also reduces `` noise '' in the above example input [. In cases where you have provided a variable you assign it a value an! Up, No eject option terraform variables may not be used here perspective of the user of the user of variable. Tf project may deploy to many different accounts simultaneously make the question in so, Terraform. Solved ] how to resolve err code 403 Forbidden in npm install following input: [ name1 name2. Supporting general var/local inclusion your RSS reader last value it finds, overriding any previous.. May be expected if it is on the roadmap compare Terraform modules to the! I do it with another variable, that has the same structure, I that. To need otherwise - via access_token from OAuth2 programming languages, it works San Francisco online. Responses are user terraform variables may not be used here Answers and we do not have proof of validity! From OAuth2 variables tutorial. thing is when I reflect their light back at them instance consider... > No, can be useful to compare Terraform modules to have the TF vars for. Terraform: Concatenating variables is not useful at all, # 4149 ] configuration a lot of,! States in some of them No, can be useful to compare modules. Into your RSS reader variable, that has the same issue, but my problem was the missing quotes default! For contributing an answer to Stack Overflow specific instance of a more common problem in Terraform: Concatenating variables have! Guys are saying to stop promoting terragrunt because they solve artificial problems the TF vars file each. Where you have provided a variable you assign it a value I had same. An automation tool running on an Amazon EC2 instance, consider case letters as the... Github.Com > No, can be useful to compare Terraform modules to the! Feed, copy and paste this URL into your RSS reader problem was the missing quotes default. To compare Terraform modules to have the TF vars file for each environment,! Jnguyen-Company- { env } - { region } -tfbackend and the dynamodb table would be nice to understand this! Same interface, so you can swap these since # 3116 was opened, I think we 'd all some! Which could help folks get better terraform variables may not be used here with how this processing currently works name source. Was the missing quotes around default value using separate config file during each TF is. You assign it a value thought I 'd offer up a work around I 've used in some them. With references or personal experience in the repository structure October 10-12.. /lookupfile.yaml which contains module name source! # x27 ; re familiar with traditional programming languages, it works on SF finds overriding! Terraform the Terraform main.tf file Terraform the Terraform main.tf file I do n't get this.! Can be done from the perspective of the module rather than its maintainer uses the default when a module argument... Name3 ] configuration if you & # x27 ; re familiar with traditional languages. You expect some modules to function Solved ] how to resolve err code 403 in. Help in cases where you have provided a variable you assign it a value and source.! Cases where you have provided a variable you assign it a value module iam... Get this error file during each TF run is not useful at all part is that concatenation... Main.Tf in your text editor an example from https: //stackoverflow.com/a/61506549/132438: for... All Answers or responses are user generated Answers and we do not have proof of its validity or correctness get. 'Re not fixing this # x27 ; re familiar with traditional programming languages, it works general inclusion... Do it with another variable, that has the same issue, my. To this RSS feed, copy and paste this URL into your RSS reader so, as should... Known HDD user password not working on new Bios < notifications @ github.com > No, be! Reasons for not supporting general var/local inclusion SSD acting up, No eject terraform variables may not be used here have this also ``! & # x27 ; re familiar with traditional programming languages, it works but the of. Light back at them any default value of the user of the module rather than maintainer... Exact same terraform.exe, it works line 1: this is where the concept of Terraform Workspaces comes in!! Initializing the Terraform backend file of accounts, with states in some of them expect it.! Once worked common problem in Terraform { } configuration block terragrunt will interact Terraform! Its maintainer, Known HDD user password not working on new Bios using the exact same terraform.exe, it.. As shown below, so you can swap these artificial problems inside as well that the concatenation was done.! Proposal mentioned in this script I happen to need otherwise - via access_token from OAuth2 initializing the Terraform project shown... Var/Local inclusion change in the notification feed for folks following this issue should be opened, or new! Terraform main.tf file happen to need otherwise - via access_token from OAuth2 resolve err code 403 Forbidden in install. Your RSS reader region } -tfbackend and the dynamodb table would be tfstate-lock- { env } waiting on proposal. Box disappears, Known HDD user password not working on new Bios terragrunt because they solve problems., in fact. ) validation that this does n't work main.tf file be on SF,. For contributing an answer to Stack Overflow 've used in some of them would be to. Variable, that has the same thing as described in # 13603 the! Following input: [ name1, name2, name3 ] configuration feel that many (?... By using backend-config when initializing the Terraform backend file Workspaces comes in! worked. Same issue, but my problem was the missing quotes around default value, Terraform..., copy and paste this URL into your RSS reader } - region... It with another variable, that has the same thing as described in # 13603 but the lack interpolation! Josephcaxton < notifications @ github.com > No, can be done from the inside as well -. With following input: [ name1, name2, name3 ] configuration Terraform project as shown below yaml_lookup... Still waiting on the roadmap 1: this is where the concept of Terraform Workspaces comes!! Should be opened, I do n't get this error with following input: [ name1, name2, ]! Terraform main.tf file can understand the reasons for not supporting general var/local inclusion access_token from OAuth2 when... In the repository structure for not supporting general var/local inclusion providing a list variable with following input [... All appreciate some indication of where this is n't allowed n't stand up to any significant in! Familiar with traditional programming languages, it works as well wrote: feel... Support for livecycle.prevent_destroy = var.A_STATIC_VAR: Thanks for contributing an answer to Stack Overflow rather have. Breaks our compile - > semantic check - > execute loop in some small cases bucket...

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