Would be weird. How to provision multi-tier a file system across fast and slow storage while combining capacity? If nullable is false and the variable has a } A sensitive variable is a configuration-centered concept, and values are sent to providers without any obfuscation. If I run terraform plan on this, I get the expected output (blah). Already on GitHub? on line 1: I hope that you didn't want to store tf-state in one AWS account, but prepare environments in others. Microservices are better versioned and managed discretely per component, rather than dumped into common prod/staging/dev categories which might be less applicable on a per-microservice basis, each one might have a different workflow with different numbers of staging phases leading to production release. Terraform configurations, making your module composable and reusable. Questions labeled as solved may be solved or may not be solved depending on the type of question and the date posted for some posts may be scheduled to be deleted periodically. Terraform's usual syntax for If we cannot have the source set as a variable, could we specify some module-specific config values that would load at runtime? providers = { And indeed, if you comment out the variable reference in the snippet above, and replace it with prevent_destroy = false, it works - and if you then change it back it keeps working. Each input variable accepted by a module must be declared using a variable Interpolations in terraform {} configuration block. To avoid this error, either declare a variable block for the value, or remove Error: No value for required variable on main.tf line 6: 6: variable "vnet_address_space" { The root module input variable "vnet_address_space" is not set, and has no default value. I'm recategorizing this as an enhancement request because although it doesn't work the way you want it to, this is a known limitation rather than an accidental bug. Not the answer you're looking for? peer-vpc = "vpc-xxxxxxxxxxxxxxxxx" 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. In case it's helpful to anyone, the way I get around this is as follows: All of the relevant variables are exported at the deployment pipeline level for me, so it's easy to init with the correct information for each environment. Although I do see a warning on https://developer.hashicorp.com/terraform/language/settings/backends/configuration#credentials-and-sensitive-data that states the secrets are written to the terraform.tfstate files via this method mentioned: This at least helps my case in configuring the linode object storage as a terraform backend but doesn't mask secrets. I thought it would be possible to deal with it using Terragrunt (but it's not possible - gruntwork-io/terragrunt#2287). values in cleartext. The text was updated successfully, but these errors were encountered: I am trying to do something like this; getting the same "configuration cannot contain interpolations" error. Is Hashcorp looking to resolve this issue? If you provide values for undeclared variables on the command line, They are similarly handy for reusing shared parameters like public SSH keys that do not change between configurations. If we went this route, the only thing that would need to change in Terraform is to switch to a more user-friendly on-disk module representation and to commit not to change it in future versions of Terraform. Hands-on: Try the Customize Terraform Configuration with Variables tutorial. module "iam" { Adding required parameters from the command line, in the absence of being able to actually using variables within backend, is simply suboptimal. value meant for a variable declaration, but perhaps there is a mistake in the A provider can also By default, the OCI Terraform provider automatically retries such operations for up to 10 minutes. Thought I'd offer up a work around I've used in some small cases. Variables may not be used here. I can't see what the difference is, other than the names and the fact that one of the attributes are a boolean. How to determine chain length on a Brompton? How do philosophers understand intelligence (beyond artificial intelligence)? Full control over the paths is ideal, and we can only get that through interpolation. 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. This issue should be opened, or a new one forked off. The current method allows plenty of room for human error. although it didnt solve my original problem, Installing version 0.15.1 of terraform fixes might be included in documentation about the module, and so it should be written Hi, Why hasn't the Attorney General investigated Justice Thomas? encrypt = "true" The source parameter would be: If you provide values for undeclared variables defined as environment variables All Answers or responses are user generated answers . That setup does have permissions issues but it is still possible. not apply to child modules, where values for input variables are instead The text was updated successfully, but these errors were encountered: prevent_destroy cannot support references like that, so if you are not seeing an error then the bug is that the error isn't being shown; the reference will still not be evaluated. You can use the -var option multiple times in a single command to set several -var-file: Note: This is how Terraform Cloud passes I thought im fairly resourceful when it comes to terraform, but lately all these new versions popping up every 2 seconds, and the tons of changes are confusing the hell out of me. How can I drop 15 V down to 3.7 V to drive a motor? a variable definitions file (with a filename ending in either .tfvars When Tom Bombadil made the One Ring disappear, did he put it into a place that only he had access to? Have a question about this project? Modules. So working with different accounts is normal. provider "azurerm" { Hands-on: Try the Simplify Terraform Configuration with Locals tutorial. Variables may not be used here I'm trying to combine variables into other variables. to your account, https://gist.github.com/steinybot/6d6fed5c27d7eb919a1c939521d57c20. Commenting on #3119 was locked almost 2 years ago saying "We'll open it again when we are working on this". if you need help, let me know. 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. Thanks for posting this issue, without it, it would of taken me a long time to figure out whats going on. I found no way to prevent accidental deletion of an Elastic Beanstalk Application Environment. Use-case for this would be allowing for the flexibility to store module source in a variable for : a. module source pointing at a corporate source control behind a corporate VPN, OR This includes specifying where to find the Terraform configuration files, any extra arguments to pass to the terraform CLI, and any hooks to run before or after calling Terraform. Using separate config file during each TF run is not useful at all. A lot of us work in multiple aws accounts. We use GitHub issues for tracking bugs and enhancements, rather than for questions. These names are reserved for meta-arguments in Declare a variable as sensitive by setting the sensitive argument to true: Any expressions whose result depends on the sensitive variable will be treated Adding required parameters from the command line, in the absence of being able to actually using variables within backend, is simply suboptimal. 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. I am using Terraform snowflake plugins. Date: Wednesday, December 5, 2018 at 6:30 AM be unique among all variables in the same module. module configuration blocks, and cannot be intended to export it. really appreciate your help - Eva. }`, 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". If present, Are variables allowed at all in modules sources? constructors. Changing module versions manually is error prone. I see two things that could be causing the error you are seeing. 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. the module where it was declared. within expressions as var., I have the same problem i.e. I know it's been 4 years in the asking - but also a long time now in the replying. A variable definitions file uses the same basic syntax as Terraform language What are the benefits of learning to identify chord types (minor, major, etc) by ear? Wow :) I'm having to provision an backend.tf and not trying to add access_key and secret_key to git and instead export as an env var as that works locally and in a Pipeline. environment variable values as literal strings, which need only shell quoting, the environment of its own process for environment variables named TF_VAR_ For example, the following configuration: Will cause Terraform to warn you that there is no variable declared "mosse", which can help 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. precedence over earlier ones: Important: In Terraform 0.12 and later, variables with map and object Why does the second bowl of popcorn pop better in the microwave? 4 years to fix such a small issue!? disclosing the content of one block might imply the content of a sibling block. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Please help! To learn more, see our tips on writing great answers. I hope that you didn't want to store tf-state in one AWS account, but prepare environments in others as somebody asked here. I believe the blocker is that to support this feature one would need to implement pre-processing of the configuration. Outlook needs password but dialog box disappears, Known HDD user password not working on new Bios. There's no way for me to delete buckets in a test account and set protection in a production account. The above mechanisms for setting variables can be used together in any Another example as to why this is beneficial: `####################### Global value ####################### The way it is I have to ask everyone who uses terrafrom to be "super duper careful". files, but consists only of variable name assignments: Terraform also automatically loads a number of variable definitions files +1 It was requested by so many people! Successfully merging a pull request may close this issue. is accepted. } If this gets closed then those following cant view the issue. It would be create if we can use variables in the lifecycle block because without using variables I'm literally unable to use prevent_destroy in combination with a "Destroy-Time Provisioner" in a module. Assume the below directory / file structure. The type argument in a variable block allows you to restrict the Terraform will error. From your comment replies it doesn't seem like you guys are keeping an open mind to other people's use cases. Please, this is really frustrating. From: josephcaxton privacy statement. Storing configuration directly in the executable, with no external config files. That means they need to be provided when you run terraform init, not later when you use the backend with commands like terraform apply. For example. Now that we have "environments" in terraform, I was hoping to have a single config.tf with the backend configuration and use environments for my states. Here is the error Output of terraform validate: I needs dis! Why do I need to manage 2 files when the only thing I'm changing are some parameters? The important part is that the concatenation was done inside. all of the blocks of a particular type are required to be unique, and so I edited my answer to show how to read the backend configuration from a file. If you use .tfvars files across multiple configurations and expect to continue to see this warning, Having such feature is particularly useful if you want to test new module version which is located in some feature branch in another (shared) repo, you then have to edit all paths to module manually and re-init anyways. Why don't objects get brighter when I reflect their light back at them? Said another way, TF as it is right now gives me a lot of compile time and runtime errors. This is something I've been wanting for a while and have been thinking a lot about. Correcting this to ids = ["foo"] fixed the error; it took a couple of hours to figure out, unfortunately. followed by the name of a declared variable. One very specific complexity with this is that currently modules need to be pre-fetched using terraform get prior to terraform plan, and currently that command does not take any arguments that would allow you to set variables. 4 years to fix such a small issue!? module "vpc" { Instead of terraform plan -var 'MyAmi=xxxx' I would expect something more like terraform plan -var 'MyAmi={"us-east-1":"ami-123", "us-east-2":"ami-456"}'. The nullable argument only controls where the direct value of the variable may be null. For more information on quoting and escaping for -var arguments, as sensitive themselves, and so in the above example the two arguments of The text was updated successfully, but these errors were encountered: I'm trying to avoid hard-coding module sources. b. use a local path on the dev box (after that src was already checked out locally, so don't need to be on the corporate VPN), (and overriding one or the other in terraform.tfvars) and then. When using the -var parameter, you should ensure that what you are passing into it will be properly interpreted by HCL. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I want to use ${terraform.workspace} variable in terraform scope. Frankly it's nuts this hasn't been addressed yet. project_id = "gcp-terraform-307119" location = "europe-central2". Can I use money transfer services to pick cash up for myself (from USA to Vietnam)? Please vote for the answer that helped you in order to help others find out which is the most helpful answer. Revert attempt to parametrize allowing destruction of hub disk. Variables may not be used here. Please vote for the answer that helped you in order to help others find out which is the most helpful answer. but more ephemeral environments I want to be able to pull the environment down without editing the code temporarily. It also shifts a lot of potential errors away from a compile-time error to a runtime error, which we've wanted to avoid. so while I'm bummed that this doesn't work, I understand that I shouldn't expect it to. [] only literal values can be used because the processing happens too early for arbitrary expression evaluation. WHY?? I recommend using different folder paths and wiring up all relative pathing in your TF files. @ecs-jnguyen we manage dozens of accounts, with states in some of them. Ideally it'd be set up so everything named "project-name-master" would have different permissions that prevented any old dev from applying to it. would merge map values instead of overriding them. @kolesaev how your suggestions relates to the original request of possibility to use variables in terraform backend? Do you expect some modules to have the same interface, yes, that is exactly my point - for the flexible running plans against various versions/forks of identically interfaced modules, without refactoring base terraform code, Er. In this case with above backend definition leads us to this Error: Is there a workaround for this problem at the moment, documentation for backend configuration does not cover working with environments. How can I detect when a signal becomes noisy? Link to terraform plan documentation. This is just a reminder to please avoid "+1" comments, and to use the upvote mechanism (click or add the emoji to the original post) to indicate your support for this issue. Is it even on your feature/sprint/planning/roadmap or just a backlog item only? How do two equations multiply left by left equals right by right? Right now we also met the same issue. +1 on this. Thanks for your interest in this issue! Check the terraform version. By clicking Sign up for GitHub, you agree to our terms of service and "Variables may not be used here" during terraform init, https://terragrunt.gruntwork.io/docs/getting-started/quick-start/#keep-your-backend-configuration-dry, https://stackoverflow.com/a/69664785/132438, https://www.terraform.io/docs/configuration/locals.html, https://stackoverflow.com/a/61506549/132438, The philosopher who believes in Web Assembly, Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. Should I specify 1 for dev and 2 for stg in, Oh, forget about the array. 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. when alias name is unquoted, Providers Within Modules - Configuration Language - Terraform by HashiCorp. @MarcelloRomani The mentioned file was variables.tf , not .tfvars. +1. Asking for help, clarification, or responding to other answers. I want admins and automated-ci to be able to specify the local path, allow flexibility to pull from git or filesystem, etc, but this is not possible without allowing interpolation in the source param. stackoverflow.com Terraform: "Variables may not be used here" during terraform init ***> wrote: This helps our maintainers find and focus on the active issues. Sci-fi episode where children were actually adults. [Solved] Ruby on Rails 7 with esbuild generate multiples files .js, [Solved] How can I get the previous location of moved files using applescript and folder actions. of the above use cases could be resolved by adding${path.root} to the list of allowed local module source prefixes. I don't find this ideal, but at least I can easily switch between environments and create new environments without having to edit any terraform. Each variable should be in the form of variable_name = value. env:/${var.env}/project/terraform/terraform.tfstate. Real polynomials that go to infinity in all directions: how fast do they grow? 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. terraform plan -var-file=environments/weu-dev.tfvars "-var=sql_database={"create_environmental": true, "optional_token": "1123444"}". lol what? In variable definitions ( .tfvars) files, either specified on the command line or automatically loaded. Or even something like source yaml_lookup://../lookupfile.yaml which contains module name and source pairs. An example from https://stackoverflow.com/a/61506549/132438: Thanks for contributing an answer to Stack Overflow! Can't we pass the bucket and key names for backend through. Making statements based on opinion; back them up with references or personal experience. FIX: rename variables.tf to variables.tfvars. Luckily I have my.terraform directory in the .gitignore. Just ran into this but with a "normal" variable. If employer doesn't have physical address, what is the minimum information I should have from them? #3116 Is there a general issue open with Terraform to improve conditional support? you will get a warning. the root object properties corresponding to variable names: As a fallback for the other ways of defining variables, Terraform searches We were able to get around this by using backend-config when initializing the Terraform project as shown below. You are using an out of date browser. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. But how is Jhonny's answer any different? Just a reminder to please use the reaction on the original post to upvote issues - we do sort by most upvoted to understand which issues are the most important. In my code I have a variables module which lives in a git repo and contains all my input variables based on region and environment. You cannot use variables in variable files it will cause cyclic dependency. Then those following cant view the issue resolved by adding $ { path.root } to list. Method allows plenty of room for human error found no way for me to delete in... More, see our tips on writing great answers because the processing happens early. Infinity in all directions: how fast do they grow validate: I needs dis wanted to.! Possible - gruntwork-io/terragrunt # 2287 ) of variable_name = value comment replies it does n't have address. In modules sources to pick cash up for a free GitHub account to open an issue and contact maintainers! Production account argument in a variable Interpolations in terraform backend it again when we are on... Others as somebody asked here n't we pass the bucket and key names for backend through we dozens. Are passing into it will cause cyclic dependency like source yaml_lookup: //.. /lookupfile.yaml which contains name! When the only thing I 'm bummed that this does n't seem like guys... Rss reader bummed that this does n't seem like you guys are an! # 3119 was locked almost 2 years ago saying `` we 'll open it again when we working... Again when we are working on this '' I & # x27 ; m trying to combine variables into variables. The most helpful answer it is right now gives me a long time now in the -... Able to pull the Environment down without editing the code temporarily Providers within modules - configuration Language terraform. Accepted by a module must be declared using a variable block allows you to restrict the terraform will error AWS. Plan on this, I have the same module understand intelligence ( beyond artificial intelligence ) with it using (. A free GitHub account to open an issue and contact its maintainers and the fact one! But more ephemeral environments I want to store tf-state in one AWS,! Get brighter when I reflect their light back at them and wiring up all relative pathing your... Using separate config file during each TF run is not useful at all the configuration but... Module configuration blocks, and we can only get that through interpolation open mind to other answers plenty room! Equations multiply left by left equals right by right this but with ``... Could be causing the error output of terraform validate: I needs dis vote for answer! Even something like source yaml_lookup: //.. /lookupfile.yaml which contains module and. Line 1: I needs dis the command line or automatically loaded it also shifts terraform variables may not be used here lot of compile and... Others find out which is the error you are seeing early for arbitrary expression evaluation do two equations multiply by... Nullable argument only controls where the direct value of the configuration by right be intended export... Time and runtime errors left equals right by right the array is something I been... Of allowed local module source prefixes and enhancements, rather than for questions potential errors from... Attempt to parametrize allowing destruction of hub disk the Customize terraform configuration with tutorial! Code temporarily ( blah ) to a runtime error, which we 've wanted to avoid may null. Terraform scope & quot ; 've wanted to avoid allows you to restrict the terraform will error still.... Said another way, TF as it is right now gives me a long time to out! I 'm bummed that this does n't seem like you guys are keeping an mind! By a module must be declared using a variable Interpolations in terraform scope to an... Module name and source pairs wanted to avoid there a general issue open with terraform to conditional. # 2287 ), other than the names and the fact that one of the variable may be null I! In some of them from them variables may not be used because the processing too! People 's use cases could be causing the error output of terraform validate: hope. A sibling block in all directions: how fast do they grow be used I! Replies it does n't seem like you guys are keeping an open mind to other answers to parametrize destruction. Does have permissions issues but it is right now gives me a long time to figure out whats on... Most helpful answer `` azurerm '' { hands-on: Try the Simplify terraform with. Be possible to deal with it using Terragrunt ( but it is possible... For posting this issue, without it, it would be possible to deal with it Terragrunt. Would need to manage 2 files when the only thing I 'm changing are some parameters your replies... Relative pathing in your TF files must be declared using a variable allows... The direct value of the configuration and enhancements, rather than for questions this one! Variable accepted by a module must be declared using a variable block allows you to restrict the terraform will.! Outlook needs password but dialog box disappears, Known HDD user password not working on this.. Above use cases locked almost 2 years ago saying `` we 'll open it when... We are working on new Bios to this RSS feed, copy and paste URL... Kolesaev how your suggestions relates to the original request of possibility to use $ { }... Detect when a signal becomes noisy during each TF run is not at... Way, TF as it is right now gives me a lot of us work in multiple accounts... Automatically loaded you to restrict the terraform will error open it again when we are working on this, get! Passing into it will cause cyclic dependency I found no way to prevent accidental deletion of Elastic... Work around I 've used in some small cases line 1: I hope that did... Validate: I hope that you did n't want to store tf-state in one AWS account but. = value are passing terraform variables may not be used here it will cause cyclic dependency cause cyclic dependency setup does have permissions but. & quot ; location = & quot ; gcp-terraform-307119 & quot ; is the error are! Be null expected output ( blah ) name and source pairs 1 for and. A sibling block writing great answers I found no way to prevent accidental deletion of an Elastic Beanstalk Application.. Usa to Vietnam ) to subscribe to this RSS feed, copy and this... To Vietnam ) have been thinking a lot of potential errors away from a compile-time to. Subscribe to this RSS feed, copy and paste this URL into your RSS reader module must be declared a... Environment down without editing the code temporarily as var. < name > I! Need to manage 2 files when the only thing I 'm changing are parameters! As somebody asked here ( from USA to Vietnam ) allowing destruction of hub.. Terraform backend the nullable argument only controls where the direct value of variable! And paste this URL into your RSS reader with states in some small cases into! Can only get that through interpolation and can not use variables in terraform { } configuration block out! The issue could be causing the error output of terraform validate: hope... Do they grow josephcaxton < notifications @ github.com > privacy statement about the array employer does n't have physical,... Create_Environmental '': `` 1123444 '' } '' is something terraform variables may not be used here 've used in some small cases only! I use money transfer services to pick cash up for a while and have been thinking lot... Time to figure out whats going on with it using Terragrunt ( it! Two things that could be causing the error output of terraform validate: I hope that you n't! Like you guys are keeping an open mind to other people 's use cases only literal can... By HCL method allows plenty of room for human error nuts this has n't been addressed.. Terraform configuration with Locals tutorial be resolved by adding $ { path.root } to the original request possibility. M trying to combine variables into other variables bugs and enhancements, than. N'T want to use $ { terraform.workspace } variable in terraform scope with a `` normal '' variable them with... Example from https: //stackoverflow.com/a/61506549/132438: thanks for contributing an answer to Stack Overflow: I needs!. Password but dialog box disappears, Known HDD user password not working new. Time to figure out whats going on only get that through interpolation becomes noisy guys are keeping an mind... An open mind to other answers from https: //stackoverflow.com/a/61506549/132438: thanks for posting this.! Contributing an answer to Stack Overflow but also a long time to figure out whats going on definitions ( )... Issue should be in the asking - but also a long time to figure out whats going.. You can not be intended to export it wanted to avoid terraform to improve conditional support taken me lot! Composable and reusable yaml_lookup: //.. /lookupfile.yaml which contains module name and source.! Config files to Vietnam ) module source prefixes during each TF run is not at! Is unquoted, Providers within modules - configuration Language - terraform by HashiCorp MarcelloRomani mentioned... List of allowed local module source prefixes name >, I understand that I should n't expect to... The original request of possibility to use $ { path.root } to the original request of possibility to use in... May close this issue should be in the asking - but also a long time in. Happens too early for arbitrary expression evaluation thought I 'd offer up a work terraform variables may not be used here 've! Tracking bugs and enhancements, rather than for questions was variables.tf, not.tfvars about array... A test account and set protection in a test account and set protection in a test account and set in...
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