Terraform. I am reviewing the quick start guide for Terragrunt I am not sure what AWS policies I need to attach to the role for Terragrunt. If you're using this example as part of a larger terragrunt repository, copy it to the appropriate location within The example is nested under the prod account, _global configuration because IAM roles apply to an entire AWS account. Configuring Terragrunt to assume an IAM role To tell Terragrunt to assume an IAM role, just set the --terragrunt-iam-role command line argument: terragrunt apply --terragrunt-iam-role "arn:aws:iam::ACCOUNT_ID:role/ROLE_NAME" Alternatively, you can set the TERRAGRUNT_IAM_ROLE environment variable: The command is executed at the same folder as the terragrunt.hcl file. Setup: Version: 1.9.2. In the example, the remote state is stored in an S3 bucket called medium-terragrunt-example, with the key terragrunted/relative_file_path, in eu-west-1 region and lastly, ensured to be encrypted. The name in your policy is a random_pet string to avoid duplicate policy names. Search: Terragrunt Examples. Now you will see that Terraform wants to create three IAM users, each with unique names. For each Azure account/subscription you have, create a top level account directory. Code structure examples. Terragrunt example (Note: we dont use terraform block, and only include block with name) locals { extra_atlantis_dependencies = [ "../../../../../modules/instance_templates/terragrunt.hcl" ] } include "root" { path = Separate permission for dev and prod admin to terragrunt plan and apply. In the same gitlab job running on the instance the AWS cli can assume the role using aws sts assume-role. custom-iam-entity Custom regex excluding filter Ex: (test\|examples) Exclude no file: TERRAFORM_TERRAGRUNT_CLI_LINT_MODE: Override default CLI lint mode - file: Calls the linter for each file - list_of_files: terragrunt-iam-role Assume the specified IAM role before executing Terraform. NOTE: There is a regression bug introduced in this version. # Indicate where to source the terraform module from. For example, if you have a bastion AWS account which has a User created called john, then you have an organization AWS account which has a Role created called DevOp with permissions to manage resource. Terragrunt Previous. This uses the same HCL syntax as Terraform itself. Search: Terragrunt Examples. See Next Steps for what to do next. Can also be set via the TERRAGRUNT_IAM_ROLE environment variable. run_cmd(command, arg1, arg2 ) runs a shell command and returns the stdout as the result of the interpolation. The key design of Terragrunt is to act as a preprocessor to convert shared service modules in the registry into a root module. In Terraform, modules can be loosely categorized into two types: Root Module: A Terraform module that is designed for running terraform init and the other workflow commands ( apply, plan, etc). Because I am not using iam_role or --terrangrunt-iam-role but instead assuming the role with the terraform provider it seems like the issue may also exist in terraform. With Terragrunt, you can have a terragrunt.hcl file in each subfolder and on the root level. Quick start Copy this module to a location in your terragrunt repository, User guides, feature documentation and examples are available here example file in the local global_variables module in the VMUG Labs project # Terragrunt hcl files use the same configuration language as Terraform (HCL) and the configuration is more or less the same as the backend configuration you had in each module, except that the key value run_cmd. Example calls terragrunt hclfmt --terragrunt-check --terragrunt-hclfmt-file myfile.hcl terragrunt-iam-role Assume the specified IAM role before executing Terraform. cloudwatch-logs-metric-filters. This repo shows an example of how to use the modules from the terragrunt Terragrunts run_cmd function executes arbitrary commands in the local shell. The Terraform philosophy isnt that environment variables are bad, but that they should be explicitly set and only available to top-level modules. Because Terragrunt is a wrapper that only deals with root modules, it can and does support environment variables. Execute Terraform commands on multiple modules at once: For example, if you have more than one Terraform module in subfolders to deploy, you would have to manually run terraform apply on each of the subfolders separately. Each Module Dev/QA/Prod can have its own set of IAM roles and permission. This repo, along with the terragrunt-infrastructure-modules-example repo, show an example file/folder structure you can use with Terragrunt to keep your Terraform code DRY. Clone or fork the example repo. Browse the repos in the Gruntwork Infrastructure as Code Library. The remaining structure that this example uses is based off Terragrunt's example and Jake Morisson's post. Terragrunts run_cmd function executes arbitrary commands in the local shell. To tell Terragrunt to assume an IAM role, just set the --terragrunt-iam-role command line argument: terragrunt apply --terragrunt-iam-role "arn:aws:iam::ACCOUNT_ID:role/ROLE_NAME". Contribute to brcdev/terragrunt-gcp-demo development by creating an account on GitHub. Example multi-environment Terragrunt project. cross-account-iam-roles. To review, open the file in an editor that reveals hidden Unicode characters. We recommend using v0.35.2. The IAM policy resource is the starting point for creating an IAM policy in Terraform. Search: Terragrunt Aws Example. The main.tf file contains an IAM policy resource, an S3 bucket, and a new IAM user. Terragrunt configuration is defined in a terragrunt.hcl file. Sorted by: 1. If you aren't using terragrunt, see the terraform example.. Can also be set via the TERRAGRUNT_IAM_ROLE environment variable. You can create a directory structure similar to the following: account _global acr dev prod stage. 2 Answers. This is useful in certain exceptional cases where theres no I could attach the When using Terraform, you can get the best of both worlds by merging disparate policy documents to both avoid repeating yourself and limit permissions. generate: This can be used to generate common Terraform configurations that are shared across multiple terraform modules. Note: value returned by get_aws_caller_identity_user_id() can change during parsing of HCL code, for example after evaluation of iam_role attribute. production project-1 eu-west-1 s3-bucket example-bucket-1 terragrunt.hcl example-bucket-2 terragrunt.hcl example-bucket-3 terragrunt.hcl global iam-assumable-role example-role-1 terragrunt.hcl iam-policy example-policy-1 terragrunt.hcl iam-user example-user-1 terragrunt.hcl project-2 eu-west-1 sns-topic example-sns-topic-1 terragrunt.hcl global iam # The URL used here is a shorthand for # "tfr://registry.terraform.io/terraform-aws Hi @jkinred , --terragrunt-iam-role is required if you need to assume a role and make changes on behalf of another AWS account. iam_assume_role_duration iam_assume_role_session_name Description. End up repeating things a lot. This is useful in certain exceptional cases where theres no Terraform provider (library) for a specific task. Copy link. Configuring Terragrunt to assume an IAM role. Atlantis should be up and running in minutes! Next. Open the main.tf file in your code editor and review the IAM policy resource. In this example, the provider Here is an example configuration you can use to get started. Last modified 6mo ago. This creates a role with admin privileges in those accounts that is assumable by the terraoform user. Heres an example: include "root" { path = find_in_parent_folders () } dependencies { paths = ["../vpc", "../mysql", "../redis"] } The following configuration can be used to deploy the terraform-aws-modules/vpc module from the Terraform Registry: terragrunt.hcl. Example: Terraform IAM Role Raw assume-role-policy.json This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. This is useful whenever you want to We have a central folder that contains our IAM Modules. Terragrunt version: 0.35.4. About Aws Terragrunt Example For background information, check out the Keep your Terraform code DRY section of the Terragrunt documentation. N.B. When creating IAM policies in AWS, it can be really easy to either: Give things way too many permissions because youre lazy and dont want to repeat yourself. Terragrunt is a thin wrapper that provides extra tools for keeping your configurations DRY, working with multiple Terraform modules, and managing remote state. Install Terraform. Install Terragrunt. quynhnhatnguyen commented on Oct 31, 2021. terragrunt-iam-assume-role-duration Session duration for IAM Assume Role session. The Example Repo. Alternatively, you can set the TERRAGRUNT_IAM_ROLE environment variable: export The example repo is split into two sections. Each service has its own .tf file. Search: Terragrunt Examples. As an example, we use AWS IAM Authentication to connect Terragrunt is a thin wrapper for Terraform that provides extra tools for keeping your Terraform configurations DRY, working with multiple Terraform modules,. Example. Run terragrunt apply in the env/
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