Microsoft Azure offers a few authentication methods that allow Terraform to deploy resources, and one of them is an SP account.. If you have no need of advanced service principal configuration then you may skip ahead to the challenge answers. We have made the Terraform experience as simple as possible, as all of the environment details are setup based on your default account through the Azure CLI. Don’t forget to follow the guide to also install az, jq, git and terraform at that level. 3. This still was a bit annoying because if you were using a 1 year or 2 year expiration (you shouldn’t use SP’s that don’t expire!) For example, by adding the following lines to a .bashrc file: If you are using environment variables then the provider block should be empty: Note that this approach is not as effective if you are moving between terraform directories for different customer tenancies and subscriptions, as you need to export the correct variables for the required context, but it does have the benefit of not having the credentials visible in one of the *.tf files. An Azure service principal is an identity created for use with applications, hosted services, and automated tools to access Azure resources. Last week I stumbled on James R Counts’ excellent blog post titled Safe Terraform Pipelines with Azure DevOps.I’m going to follow his example here with a few tweaks to make our pipeline even safer, and perhaps a little faster to boot. Consider this the default. # main.tf provider "aws" { region = var.aws_region profile = var.aws_cli_profile } terraform { backend "s3" {} } # Provides a resource to create an AWS organization. Service Principals are security identities within an Azure AD tenancy that may be used by apps, services and automation tools. (The provider stanza can be in any of the .tf files, but provider.tf is common.). In this Terraform walkthrough, use a service principle. For Azure Active Directory resources you will need additional API permissions: This area actually falls outside of ARM. ( Log Out /  This is the legacy API rather than the newer Microsoft Graph. Register Now. In this example, we will create a Terraform module to manage an Azure Key Vault. which tenancy and subscription). Azure Service Principal If you get stuck then there are answers at the bottom of the lab. Please enable Javascript to use this application Search for the documentation to create an Azure service principal for use with Terraform, Log back in with your normal Azure ID and show the context, Search for the Azure Docs for changing the role (and scope) for the service principal. Any of the following are valid: Change to “/” to allow the role to be assigned to all subscriptions (and child scopes), Provide a list of subscription (or resource group) resource IDs as scopes, For example, if you need your Terraform service principal to assign inbuilt roles to scopes, then delete the two lines for, There is a corresponding read action for those lines that is implicitly allowed. Now we can run terraform plan to validate our changes: At this point, we can also run terraform apply -auto-approve. export TF_VAR_client_id= export TF_VAR_client_secret= 3. There is another less frequently used argument that you can specify in the provider block called alias. az login az account set --subscription=ffffffff-ffff-ffff-ffff-ffffffffffff . ( Log Out /  Change ), You are commenting using your Facebook account. When you create a Service Principal then from an RBAC perspective it will, by default, have the Contributor role assigned at the subscription scope level. Terraform has the ability to create service principals so we will make use of that. GitHub repos have a feature known as Secrets that allow you to store sensitive information related to a project. Create Azure Cosmos DB Account using ARM. Don’t push up sensitive values up into a public GitHub repository! A better way was to create the Service Principal first as a separate step either in the portal or in your Terraform template. In our case, we’ll be supplying those using TF_VAR_{variable_name} environment variable. » Step 1: Create an Azure Service Principal (Persona: admin) To delegate the credential generation task to Vault, you need to give Vault privileged Azure credentials to perform the task. 3. 1. Your .tf files should look similar to those in https://github.com/richeney/terraform-pre-012-lab5. If you run into a problem, check the required permissionsto make sure your account can create the identity. To use this resource, we need to supply below mandatory properties: We can optionally provide the resource group used for restricted scoping for the service endpoint. Make sure that you are in the right Azure context first (i.e. ---> Actual Behavior However it is not a workable approach when you have multiple admins working on an environment and it is not suitable if you are dealing with multiple tenants. Related Videos. You should always remove the Contributor role when adding a different inbuilt or custom role to a service principal. Create service principal to be used by Terraform. In production scenarios, you’ll be creating these variables as part of the build and release pipelines or supply the respective key-values at terraform command line at run time. You will often see examples of Terraform resource types where the service principal is created manually. Having a separate terraform folder per customer or environment with its own provider.tf files is very flexible. So you can mostly choose what you’ll need depending on your requirements. Once its completes, hop over to Azure DevOps and verify that our endpoint is present: There are many types of service endpoints available like for Azure Container Registry, Azure Kubernetes Service, GitHub, BitBucket etc. This has az, jq and terraform pre-installed and defaults to using MSI so the whole VM is authenticated to a subscription. Under Redirect URI, select Web for the type of application you want to create. Instead of installing the Azure CLI, setting up a Service Principal and the rest of the Terraform Variables you can use the Azure Portal Cloud Shell. Terraform should have created an application, a service principal and set the given random password to the service principal. Start using Service Principals to manage multiple subscriptions and Azure tenants, Cloud Solution Architect.Infrastructure as code, automation, networking, storage, compute. You can refer steps here for creating service principal. Prerequisites from a Windows-based external client. [name,id] Once you have the subscription ID, then create a service principal using the Contributor role scoped to your subscription. You can refer steps here for creating service principal. We have reached the end of the lab. Create it by going to Project settings → Service connections and hit new service connection from the top right corner. Create your Azure Service Principal. One of the pre-requisites to create service endpoints is to have a service principal ready, which is basically used for authentication. Create a variables.tf Terraform file. This module requires elevated access to be able to create the application in AzureAD and … As a first step to demonstrate Azure service-principal usage, login as terraform user from azure portal and verify that this user doesn’t have privileges to create a resource group. It also supports a credential block for supplying service principal id and key, which we’ll refer using the variables and supply those variables when running terraform apply. The challenge will get you in the habit of searching for documentation available from both Hashicorp and Microsoft. Note the warning showing that admin consent is required. From terraform side, we need to use terraform resource azuredevops_serviceendpoint_azurerm. Enter the URI where the acces… We want to allow some of those Microsoft.Authorization actions. Using aliases can be of use in a customer environment where they want to configure a deployment across multiple subscriptions or clouds. Is terraform create service principal the labs, I like to automate wherever possible to authenticate to Azure before Terraform! By email your details below or click an icon to Log in to your account. Admins are working in a multi-tenanted environment by using service principals is an infrastructure. Is common. ) the access policy and permissions for the core services and automation tools way managing. With service principal per subscription and then you would need to use Terraform resource azuredevops_serviceendpoint_azurerm is from the account. Straight into creating the service principal includes sections on deleting and creating role assigments our... 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