Terraform Remote State

This is a great way to collaborate with Terraform, but developers often forget to enable remote state and end up creating a bunch of duplicate resources, or they enable remote state, but mess up the configuration and end up changing the wrong resources and then overwriting the wrong remote state. tf file is for _fetching_ remote state (ie, from another project). Terraform manages state via a json file. Terraform installed on your system. tf will be added to the remote state file as well. HashiCorp have released Terraform 0. tl;dr Terraform, as of v0. I'm following the example from the terraform_remote_state command (but using state stored on local file system):. Remote State Locking. A "backend" is how the terraform state file is loaded & how apply get's executed Default "backend" is local so the. On each run, Terraform will create or update the terraform. For now, our terraform state file is storing locally. Terraform is open source software that enables sysadmins and developers to write, plan and create infrastructure as code. Refreshing Terraform state in-memory prior to plan… The refreshed state will be used to calculate this plan, but will not be persisted to local or remote state storage. Some of them are Amazon S3, Azure Storage, HashiCorp Consul, and HashiCorp Atlas. Using consul, we'll solve these in a remote setup with Terraform. tfstate if this file is already present then it will move the old state file to a file called terraform. com service to eliminate these concerns. This course is intended for individuals who are planning to implement Terraform in their organization and wants to get in-depth view about various terraform modules and best practices. Remote State Management. $ terraform plan /opt/disk/terraform/ Refreshing Terraform state in-memory prior to plan The refreshed state will be used to calculate this plan, but will not be persisted to local or remote state storage. Grant Organization-level permissions to the service account. We want other team members to be able to access the state file so they can deploy their own changes as well to the same infrastructure. This seems to initialize fine and I see the workspace appear under my organization. State files in Terraform capture the existing state of provisioned infrastructure for a given workspace. Apply to Engineer, Database Administrator, Development Operations Engineer and more!. $ terraform plan Refreshing Terraform state in-memory prior to plan The refreshed state will be used to calculate this plan, but will not be persisted to local or remote state storage. For remote state to work, you need to configure the back-end using one of the available back-end providers. Terraform provides users with a couple of options when it comes to remote state backends including: S3, azurerm, gcs, consul, artifactory etc. But that is as far as it goes. There are two types of state files: remote or local. Nick Charlton. For example, if you give the input as "terraform", then the state file, named default. In Part 1 and Part 2 we downloaded, setup, and then created a simple VM using Terraform. terraform remote config can overwrite states. State path: terraform. Terraform is a cloud-agnostic Infrastructure automation tool used to manage cloud and on-premise resources in code. But when you deploy an infrastructure with Terraform, the tool will create a state file terraform. 12 remote state : Attribute name required #20835. A backend is an abstraction enabling remote storage of the Terraform state. tf file is for _fetching_ remote state (ie, from another project). Additional resource references for the Terraform Azure Provider can be found in our provider documentation. This is handy if you combine the response with the small jq command line tool to traverse through the raw json. I see that my output seems to be stored correctly in the remote state blob. What I am suggesting is that given your own organizational requirements you will want to customize the way Terraform is configured and state is shared using concepts like state files, data sources, remote state, direct hard coding of names, modules, etc. Remote state. Terraform remote state “Retrieves state data from a Terraform backend. You build Terraform templates in a human-readable format that create and configure Azure resources in a consistent, reproducible manner. But when you deploy an infrastructure with Terraform, the tool will create a state file terraform. Go installed on your system, version 1. Remote State and Locking. Join us in the journey of learning Terraform taught by Zeal, regarded as one of the TOP instructors in the world. When we use Terraform for provision Azure environment we can use Azure Storage Account for this remote storage. The use of data sources allows a Terraform configuration to build on information defined outside of Terraform, or defined by another separate Terraform configuration, including: Data from a remote state, this is useful to call states from another terraform deployments> data "terraform_remote_state" "vpc_state" {backend = "s3" config. For more information about Terraform 0. Attention: Make sure to follow the configuration recommendations for a Terraform remote backend from my previous blog post because the KeyVault secret will be stored in the Terraform raw state in plain-text! A data source is all you need. To be able to achieve this, Terraform does not expose any pluggable backends to have custom formatters, however it does provide an ability to talk to a RESTful server. To use a resource (IAM Role, VPC ID, or Zone ID) that was not created with Terraform, simply add the desired data to the account, vpc, or ESM’s outputs. This makes getting started with Pulumi, and operationalizing it in a team setting, much easier. I’ve have always wanted to check out what this whole “Infrastructure as Code” hype is all about and I have heard quite the buzz about Terraform being one of the solution that can help achieve this. What is remote backend. These files are used by Terraform to ensure that it properly creates or destroys infrastructure with respect to infrastructure that already exists. -reconfigure is used in order to tell Terraform to not copy the existing state to the new remote state location. Her presentation will also have tips on getting started, collaborating with teammates, and using policies to safeguard your changes along the way. TFstate helps you manage all your Terraform remote states in a simple & safe manner Start managing your Terraform remote states for free TFstate solves the chicken and the egg problem of Terraform, when you need Terraform for your remote state to use Terraform remote state feature. An innocent TF run in staging led to a merry bug-hunt down the rabbit-hole and ended in wiping out production — thankfully on a not-yet-customer-facing service. Terraform generates an execution plan describing what it will do to reach the desired state, and then executes it to build the described infrastructure. But when you deploy an infrastructure with Terraform, the tool will create a state file terraform. in my sample data set that I used for testing, the state file looks like. We want other team members to be able to access the state file so they can deploy their own changes as well to the same infrastructure. So yes, everyone on your team has to configure remote state in the same way. State files in Terraform capture the existing state of provisioned infrastructure for a given workspace. By default, this state information is recorded in a local file. We have mentioned the bucket name: mudita-puc-terraform-remote-statewhich we have created in our previous blog by terraform. tfstate and (optionally) terraform. You share state/outputs between them using the terraform_remote_state data source and Terragrunt even supports running commands across multiple modules. This guide will walk you through the steps to install Terraform on Windows 10 and Windows Server 2019. Using remote state Is also more secure because the data can be encrypted at rest and Terraform only ever stores remote state in memory, never on disk. This image also configures a remote back end to enable remote state management using. Create the state file in the service_module location and paste the below code in it. S3 is a particularly interesting backend to use since you can version the contents of buckets. Terraform supports remote backends which are remote file storage locations where the state file can be saved. When running Terraform locally, a state file is automatically created when a plan or apply command is given to Terraform. It uses a simple configuration language or JSON, if you wish. Duplicated with https:. sh file within network directory to configure remote state for networks cd terraform-multi-state-demo/network. The local box does not store details about the state other than the information where the remote state is stored. The following attributes are exported: backend - See Argument Reference above. " Pulumi, in contrast, uses the free app. Lastly, locate where the current Terraform binary is located, perhaps check your Environment Variables for a PATH that may lead to where the executable is, and replace that with the latest version of. misconfigured remote state). You should also update the terraform_remote_state data source to use the db_remote_state_bucket and db_remote_state_key as its bucket and key parameter, respectively, to ensure you're reading data from the right database:. The following attributes are exported: backend - See Argument Reference above. It is generally recommended to setup remote state when working with Terraform. This is the core of Terraform's infrastructure state management. 12, with remote state stored in Terraform Enterprise, using the following HCL:. 7 there is a CLI tool to help with the state. But later Terraform introduced the concept of backend as a more robust option. When Terraform runs, it assumes that it knows the desired state of an environment and will make any changes necessary to get to this known state. Remote state. Let's take the example of an Azure App Service with deployment slots that connects to an Azure SQL database and has Application Insights configured. When running Terraform locally, a state file is automatically created when a plan or apply command is given to Terraform. In this example, I'll assume that you have configured Terraform to use remote state hosted in an S3 bucket, that you are using a separate configuration called "dns" for your DNS hosted zones, and that you wish to reference them in a different. In addition, each output in the remote state appears as a top level attribute on the terraform_remote. Terraform abstracts infrastructure configurations into code that can be saved in version control. I've realized that instead of 'remote_state' I had 'config' in my terraform. The first limitation was that there was no way to define your remote state settings as code. We have mentioned the bucket name: mudita-puc-terraform-remote-statewhich we have created in our previous blog by terraform. After a few moments, you will see a message stating that the application is complete. Remote state is simply storing that state file remotely, rather than on your local filesystem. Using remote_state. This file must be saved and distributed to anyone who might run Terraform. This presentation is great for everyone, from people just getting started with Terraform to advanced. Finally, zero state is stored in the container or Terraform statefiles. With remote state, Terraform can also lock the state file while changes are being made. To use a resource (IAM Role, VPC ID, or Zone ID) that was not created with Terraform, simply add the desired data to the account, vpc, or ESM's outputs. Any output from the main terraform execution context is written to the state. bucket_name= " tfstate. terraform state offers even more, there is the pull sub-command which returns the entire state of your project as JSON. A backend is an abstraction enabling remote storage of the Terraform state. security can become an issue and needs to be considered. Terraform state: Terraform has to maintain the state of the infrastructure somewhere in a file and, with S3 (backend. 9 was released a week before this book was finally published. Terraform developpers address the team work issue with the remote state. The TF doco seems to imply that I can refer directly to resources through terraform_remote_state data source, but I can't make it work. Btw, terraform is dealing better and better with this corner cases, even in the new Terraform 0. These files are used by Terraform to ensure that it properly creates or destroys infrastructure with respect to infrastructure that already exists. Another part which spawns our EC2 instance inside our network using AMI generated by the packer. So in a hypothetical Terraform and Puppet setup, Puppet is called by Terraform’s provisioners to create server resources during HCL-based configuration runs. com service to eliminate these concerns. It became obvious from the start that local backend is not an option, so we had to set up a remote one. bucket_name= " tfstate. tfstate Outputs: elb_dns_name = tf-lb-00e01795e4de87b93f3304f8ed-1895192165. When running Terraform locally, a state file is automatically created when a plan or apply command is given to Terraform. Remote State. When remote state storage is enabled, Terraform will automatically fetch the latest state from the remote server when necessary and. Her presentation will also have tips on getting started, collaborating with teammates, and using policies to safeguard your changes along the way. 9 # by creating a file with your config in your Terraform directory. 10), making the migration process much less painful. The data source is not a resource per se, meaning that defining it will not create a resource, but it is going to result in an attempt to download data concerning one, if it exists. Storing your Terraform state file locally is a bad idea. After a few moments, you will see a message stating that the application is complete. This is because CodeShip Pro build machines are ephemeral and do not share any state or data in between builds. Remote States. Terraform apply creates a dev. Terraform generates an execution plan describing what it will do to reach the desired state, and then it executes the plan to build the described infrastructure. This state is stored by default in a local file named. Terraform generates an execution plan describing what it will do, and then executes the plan to build the described infrastructure. Both these releases provide Terraform users a better experience writing and collaborating on Infrastructure as Code. This feature will probably not be developed though. In this blog post, we’ll look at how we can configure Terraform to save the state file in a remote S3 bucket. Using remote state is, or where Terraform store state in a remote store, such as cloud storage is recommended for teams. What I am suggesting is that given your own organizational requirements you will want to customize the way Terraform is configured and state is shared using concepts like state files, data sources, remote state, direct hard coding of names, modules, etc. The easiest way to install Terraform is to download the binary, uncompress the file, and put it in /usr/local/bin. , which includes: significant improvements to how remote state is managed, including state locking, 'state environments' and a new centralised. In a project I recently implemented this one there was only one bit of setup I had to do, one code addition I had to make and then I had to run one command. In this lecture I cover how Terraform keeps track of resources, dependencies and attributes in the Terraform state file. Now unfortunately, I don't see how to move terraform. Parameterize Terraform remote state (AWS). This can be problematic when an environment is changed outside of Terraform, or Terraform’s own state files are not up to date, or changed outside of Terraform (e. You can inspect the state using terraform show:. I’ve been using Terraform for just about four years at this point, but outside working with other organisations’ configuration, I’ve not sat down and built something from scratch since the very beginning. Since this rarely occurs in real projects, Terraform offers the possibility to collaborate by using remote states that are stored in a backend. Remote state storage makes collaboration easier and keeps state and secret information off your local disk. Remote state config docs can be found here; Attributes Reference. Getting Started with the Terraform Provider. Kitchen-Terraform is assumed to be installed on the development system according to the instructions in the Kitchen-Terraform ReadMe. Apply to Engineer, Database Administrator, Development Operations Engineer and more!. It is true what Hashicorp says: Putting your state somewhere remote (S3, Atlas,Consul) improves safety and teamwork and I see a lot of advantages for the Terraform remote state. Read the official documentation on remote backend here and remote state. As the configuration changes, Terraform is able to determine what changed and create incremental execution plans which can be applied. 9 was released a week before this book was finally published. Terraform supports remote backends which are remote file storage locations where the state file can be saved. Terraform Registry. Here are the docs for setting up S3 as a remote state. Terraform generates an execution plan describing what it will do to reach the desired state, and then executes it to build the described infrastructure. Terraform is one of the latest DevOps tools on the market and the Hashicorp team is constantly improving and updating the code. I’ve been using Terraform for just about four years at this point, but outside working with other organisations’ configuration, I’ve not sat down and built something from scratch since the very beginning. Use data sources and terraform_remote_state specifically as a glue between infrastructure modules within composition (add links to other blog posts) We will group example projects by the complexity - from small to very-large infrastructures. With remote state, Terraform can also lock the state file while changes are being made. Go installed on your system, version 1. It is advisable to use remote state when multiple users are working on the same infrastructure in parallel. Terraform state can include sensitive information; Storing state locally increases the chance of inadvertent deletion; Terraform includes the concept of a state backend, which is remote storage for Terraform state. If this is not specified, Ansible will build a new TF plan and execute it. The use of data sources allows a Terraform configuration to build on information defined outside of Terraform, or defined by another separate Terraform configuration, including: Data from a remote state, this is useful to call states from another terraform deployments> data "terraform_remote_state" "vpc_state" {backend = "s3" config. Cesar on Terraform creation of S3 for remote state with encryption enabled. NOTE terraform. For remote state to work, you need to configure the back-end using one of the available back-end providers. The terraform_remote_state resource you added to your foo. You can inspect the state using terraform show:. Terraform s3 backend not authenticating with shared credentials file. Terraform principles, workflows and terminology. Get This command is useful when you have defined some modules. Run terraform plan to check that the appropriate changes will be made. Remote state backends assist in security and collaboration. Although, it is not strictly required, I would highly recommend using terraform's remote state feature in order to later simplify getting the values created by this setup. Note that this option is required if 'state' has the 'planned' value. Now unfortunately, I don't see how to move terraform. Following are some benefits of using remote backends Team Development - when working in a team, remote backends can keep the state of infrastructure at a centralized location. Storing Terraform state in S3 Terraform is a great solo tool but, when you start working together as a team, keep the tfstate files in the Cloud (S3). This guide will walk you through the steps to install Terraform on Windows 10 and Windows Server 2019. terraform remote config can overwrite states. Tagged with: terraform. Configuring and using remote backends is easy and you can get started with remote. Typically, when configuring the remote state, the file containing the state is moved to a remote location, as the name implies. This allows you to use the root-level outputs of one or more Terraform configurations as input data for another configuration. This is a great way to collaborate with Terraform, but developers often forget to enable remote state and end up creating a bunch of duplicate resources, or they enable remote state, but mess up the configuration and end up changing the wrong resources and then overwriting the wrong remote state. terraform plan Refreshing Terraform state in-memory prior to plan The refreshed state will be used to calculate this plan, but will not be persisted to local or remote state storage. Use remote backend. This guide will walk you through the steps to install Terraform on Windows 10 and Windows Server 2019. Stock analysis for TerraForm Power Inc (TERP:NASDAQ GS) including stock price, stock chart, company news, key statistics, fundamentals and company profile. This file serves as the source of truth about what the actual environment contains. No more state files! Automatically store and access state remotely whenever and wherever you run Terraform. Over the weekend instead of accomplishing my entire TO-DO list, I kinda procrastinated and went totally off track. Create an S3 Bucket Search for S3 in Find Services. This book helps you get comfortable with Terraform by going step-by-step from the simplest of Terraform modules to more complex cloud resource creation. Another part which spawns our EC2 instance inside our network using AMI generated by the packer. Remote state solves those challenges. Copy link Quote reply. An NKS account. Menu Terraform remote state 08 May 2017 on devops, terraform. It is referenced by the terraform_remote_state type and because it is a data source, it provides. sh "s3-bucket-name" After configuring the remote state, create terraform. At least it is still backwards compatible with the legacy remote state files (up to version 0. Use remote backend. Planning the application infrastructure. Storing the state file in version control was common in the early days of Terraform – and there are teams still doing this today. I hope that someone can point me out what I'm doing wrong here. This changes this behavior, so that instead of talking directly to the cloud providers it talks instead to Terraform Cloud. This file must be saved and distributed to anyone who might run Terraform. Previous page > Best Practice 1. These files are used by Terraform to ensure that it properly creates or destroys infrastructure with respect to infrastructure that already exists. In Part 1 and Part 2 we downloaded, setup, and then created a simple VM using Terraform. Maintain Terraform state file to S3 or dynamoDB. In order to built a re-usable terraform code for both staging and production environment, without conducting copy and paste, one must follow the modules startegy. sh file within network directory to configure remote state for networks cd terraform-multi-state-demo/network. data "terraform_remote_state" "network" { backend = "s3" config { // some variables related to config would likely go here } }. Btw, terraform is dealing better and better with this corner cases, even in the new Terraform 0. With remote state, Terraform can also lock the state file while changes are being made. The issue with state file management can now be sidestepped by using what Terraform calls a "remote state backend. Data source terraform_remote_state acts as a glue for higher level modules and compositions. tf provider "azurerm"{}. We will do this now for our local state file to back it off to Azure blob storage. Terraform s3 backend not authenticating with shared credentials file. Please try again later. Terraform generates an execution plan describing what it will do, and then executes the plan to build the described infrastructure. tfvars and modify values accordingly. This will mean that any potential secrets stored. tf), you could just maintain it there, so you can collaborate with other coworkers, and anyone can change and deploy since the state is maintained in a remote location. Apply to Engineer, Database Administrator, Development Operations Engineer and more!. Terraform enables you to configure a remote state location so that your local terraform. State keeps track of the IDs of created resources so that Terraform knows what it is managing. This is handy if you combine the response with the small jq command line tool to traverse through the raw json. Terraform is a pretty cool infrastructure provisioner. The infrastructure code on its own is hosted on repository such as GitHub. Terraform provides users with a couple of options when it comes to remote state backends including: S3, Consul and HTTP. To use a resource (IAM Role, VPC ID, or Zone ID) that was not created with Terraform, simply add the desired data to the account, vpc, or ESM’s outputs. Ansible is a simple way to do that. After each apply, the created state is stored in the user backend and made available to other users with the same backend. Terraform: Unable to Assign Remote State Value to a Variable in a Module Declaration. 9, you may have been managing your Terraform remote state in an S3 bucket utilizing the Terraform remote config command. tfvars file with variable list, specific to your environment. ” messaging after issuing a terraform plan across the board more frequently. tf provider "azurerm"{}. mcalry November 14, 2018, 11:43am #3. Terraform uses this local state to create plans and make changes to your infrastructure. bucket_name= " tfstate. Refreshing Terraform state in-memory prior to plan The refreshed state will be used to calculate this plan, but will not be persisted to local or remote state storage. An NKS account. State files in Terraform capture the existing state of provisioned infrastructure for a given workspace. ReHashing the obvious again, Terraform maintains state of your infrastructure and it’s important that this state be shared by multiple team members without stepping on each other’s toes. Let’s look how to use variables and the files required for this. Terraform state can include sensitive information; Storing state locally increases the chance of inadvertent deletion; Terraform includes the concept of a state backend, which is remote storage for Terraform state. This helps with incremental adoption, whereby you continue managing a subset of your infrastructure with Terraform, while you incrementally move to Pulumi. Remote State Management. You can use a remote backend as a data source. This course will take you from the basics of Terraform to more advanced deployments that will allow you to create masterful Terraform deployments of your own involving Docker, AWS, Kubernetes, and other technologies that are capable of utilizing the benefits of Infrastructure as Code or IaC. I assume you've moved your data terraform remote state block into your vpc and sql modules? We do this quite a bit without issue to help glue together our VPCs and services as they're in separate root modules as well. This is why the Remote State is important. Every time you apply Terrafrom it writes a copy of the current state of your infrastructure to a file called terraform. In order to built a re-usable terraform code for both staging and production environment, without conducting copy and paste, one must follow the modules startegy. This is rarely edited and it would be a very bad day is this was deleted by mistake whereas pods are edited fairly regularly. What I am suggesting is that given your own organizational requirements you will want to customize the way Terraform is configured and state is shared using concepts like state files, data sources, remote state, direct hard coding of names, modules, etc. Note that this option is required if 'state' has the 'planned' value. Please try again later. I'm trying to create state file in s3 bucket but for some reason file is not created and command doesn't fail, so I'm confused as to what I'm doing wrong here. The external data source allows an external program to act as a data source, exposing arbitrary data for use elsewhere in the Terraform configuration. Terraform supports storing state in places like Terraform Enterprise, Consul, S3, and more. Data source terraform_remote_state acts as a glue for higher level modules and compositions. tf file is for _fetching_ remote state (ie, from another project). By default, this is stored in a local file named terraform. Another part which spawns our EC2 instance inside our network using AMI generated by the packer. data "terraform_remote_state" "network" { backend = "s3" config { // some variables related to config would likely go here } }. Save the file and start the Terraform process using 'init', 'plan' and 'apply' as normal. Terraform In order to understand terraform, let’s take look at some of the Server Configuration Management such as Ansible, Chef, Puppet and Saltstack which are used to provision a single server maybe Virtual, Physical, Docker container or LXC container. Once completed, the state information is available in the Terraform cloud. Configure the remote state in GCS. plan to review. An innocent TF run in staging led to a merry bug-hunt down the rabbit-hole and ended in wiping out production — thankfully on a not-yet-customer-facing service. To inspect the complete state use the ` terraform show ` command. Read the official documentation on remote backend here and remote state. Terraform allows you to define and create complete infrastructure deployments in Azure. Terraform developpers address the team work issue with the remote state. Terraform stores the resources it manages into a state file. It is super easy, the snippets for each Terraform features are self-contained into its own single JSON file. I also have a branch somewhere that will stream the logs back ala `terraform` with `remote`. Both these releases provide Terraform users a better experience writing and collaborating on Infrastructure as Code. In this article we will perform the following action with and without a remote backend :. Storing Terraform's remote state in Minio. Previous page > Best Practice 1. After a few moments, you will see a message stating that the application is complete. On each run, Terraform will create or update the terraform. With remote state, Terraform can also lock the state file while changes are being made. Using remote backend for Terraform state is a good practice. 9 # by creating a file with your config in your Terraform directory. Terraform Remote State In this lesson, you will learn more about Terraform state and how to version it using a S3 bucket. As development, staging and production environment are isolated from each other, so does the terraform code required to. When working in a team Hashicorp Terraform team suggest using Terraform backend for Terraform remote state handling. In this article we will perform the following action with and without a remote backend :. This article shows you how to use a Terraform Marketplace image to create an Ubuntu Linux VM (16. and have a config. This allows the Terraform state to be read from the remote store, and because the state only ever exists locally in memory, there is no worry about storing secrets in plain text. In addition, each output in the remote state appears as a top level attribute on the terraform_remote. { "Version": "2012-10-17", "Statement": [ { "Effect": "Allow", "Action": [ "s3:GetObject", "s3:PutObject", "s3:DeleteObject" ], "Resource": [ "arn:aws:s3::: [options] [args]. When working with Terraform as a team, it is always ideal to set up a remote state as multiple people want to update the same state file and it is not really easy to work with multiple copies of. Remote State Management. Terraform is a cloud-agnostic Infrastructure automation tool used to manage cloud and on-premise resources in code. Remote state is simply storing that state file remotely, rather than on your local filesystem. It is advisable to use remote state when multiple users are working on the same infrastructure in parallel. By default, this is stored in a local file named terraform. When the 1st edition of Terraform: Up & Running came out, Terraform supported remote state storage (e. tfstate file. In this example, I'll assume that you have configured Terraform to use remote state hosted in an S3 bucket, that you are using a separate configuration called "dns" for your DNS hosted zones, and that you wish to reference them in a different. In the UI, view a history of changes to the state, who made them, and when. These files are used by Terraform to ensure that it properly creates or destroys infrastructure with respect to infrastructure that already exists. ReHashing the obvious again, Terraform maintains state of your infrastructure and it’s important that this state be shared by multiple team members without stepping on each other’s toes. Use remote states. I hope that sometime in the near future we can configure the remote state through config file instead of command line, see the following GitHub issue. tf terraform. During every terraform run, terraform creates a state file for the executed plan. [email protected]:~/test$ cat main. I assume you've moved your data terraform remote state block into your vpc and sql modules? We do this quite a bit without issue to help glue together our VPCs and services as they're in separate root modules as well. This state is used by Terraform to map real world resources to our configuration, keep track of metadata, and to improve performance for large infrastructures. testsb: Error. That state can then be read and used in other repos. With remote state, Terraform can also lock the state file while changes are being made. Terraform has support for backends, which is a way of storing the current state. By changing a few flags you can also use it to save it to a consul cluster. It is generally recommended to setup remote state when working with Terraform. This is why the Remote State is important. Remote state solves those challenges. Terraform is a great tool to provision infrastructure, including virtual machines in VMware vSphere. I'm trying to create state file in s3 bucket but for some reason file is not created and command doesn't fail, so I'm confused as to what I'm doing wrong here. It uses the 'Hard Way' method, the best way to develop your skills, and takes you from confusion to understanding in easy-to-follow steps.