1. In our case, we’ll be supplying those using TF_VAR_{variable_name} environment variable. Terraform will then execute the main.tf file and behave as normal. Terraform has the ability to create service principals so we will make use of that. Microsoft Azure offers a few authentication methods that allow Terraform to deploy resources, and one of them is an SP account.. Using service principals is an easy and powerful way of managing multi-tenanted environments when the admins are working in a centralised Terraform environment. You can ssh on to the VM and work straight away. This should be an empty array ([]) at this point. Service Principal. In this blog post, I will show you how to create a service principal (SP) account in Microsoft Azure for Terraform. Now we can run terraform plan to validate our changes: At this point, we can also run terraform apply -auto-approve. 4. As per the note at the top of the azurerm_azuread_service_principal documentation, the service principal will need Read & Write All Applications and Sign In & Read User Profile in the AAD API. 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. If you see your current context (as shown by az account show) then that will show the authentication type (if not explicitly) and also shows the tenancy and subscription you will be deploying into. In your console, create a service principal using the Azure CLI. The page itself does not mention scope, but clicking on the az role assignment create link takes you through to the https://docs.microsoft.com/en-us/cli/azure/role/assignment#az-role-assignment-create reference page. ◄ Lab 4: Metas ▲ Index Lab 6: State ►, Tags: If you get stuck then there are answers at the bottom of the lab. Deploying Terraform using Azure DevOps, requires some sort of project; in this blog I will create a new project. In the following commands, substitute 00000000-0000-0000-0000-000000000000 with your subscription GUID. 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. 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. The approach here applies to any more complex environment where there are multiple subscriptions in play, as well as those supporting multiple tenancies or directories. […] Teil 6 – Create service endpoints / service connections in Azure DevOps […]. Select a supported account type, which determines who can use the application. Remember that you created an AKS Service Principal account previously? Create resource group . Here are the answers to the challenge part of the lab. This section deals with the additional configuration required to enhance your Terraform service principal’s abilities and widen the provider types it can apply and destroy. We want to allow some of those Microsoft.Authorization actions. Note that there is no CLI command to grant consent to the default directory. One of the pre-requisites to create service endpoints is to have a service principal ready, which is basically used for authentication. Creating Credentials . We could have added release stage as well, but before we deploy anything to Azure, AWS, etc, we need to create respective service endpoints in the Azure DevOps project. Blueprint write and delete actions are prohibited. az login az account set --subscription=ffffffff-ffff-ffff-ffff-ffffffffffff . For most applications you would remove that and then assign a more limited RBAC role and scope assignment, but this default level is ideal for Terraform provisioning. Notice that I am able to reference the “azuread_service_principal.cds-ad-sp-kv1.id” to access the newly created service principal without issue. Login to the subscription in which you wish to create resources . In this lab we will look at how we could make our Terraform platform work effectively in a multi-tenanted environment by using Service Principals. Follow the portal steps to navigate to the API Permissions dialog and then click on the button to grant consent. Sign in to your Azure Account through the Azure portal. Create a Basic YAML Pipeline. export TF_VAR_client_id= export TF_VAR_client_secret= 3. Creating GitHub Secrets for Terraform. This used to be terraform-azurerm-kubernetes-service-principal but is now made more generic so it can create any service principals. We’ll keep it tidy by hiding those resource types in a sub-module. Create service principal to be used by Terraform. 2. It also mitigates common admin errors such as terraform commands being run whilst in the wrong context. You should always remove the Contributor role when adding a different inbuilt or custom role to a service principal. Here are a few: Searching on "terraform azure service principal" takes you to https://www.terraform.io/docs/providers/azurerm/authenticating_via_service_principal.html. An alternative is to make use of the Terraform VM discussed towards the bottom of the lab. We will create a Service Principal and then create a provider.tf file in our containing the fields required. For Azure Active Directory resources you will need additional API permissions: This area actually falls outside of ARM. ... terraform apply –auto-approve does the actual work of creating the resources. Terraform should have created an application, a service principal and set the given random password to the service principal. As you can tell from the labs, I like to automate wherever possible. The PEM file contains a correctly formatted PRIVATE KEY and CERTIFICATE . Related Videos. 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. If you are creating resource groups (and standard resources within them) then a Terraform service principal with the standard Contributor role assigned at the subscription level is the most common configuration you will see. If you were working through the original set of labs then go to Terraform on Azure - Pre 0.12. As a one off task this is quicker via the portal, especially as the final step does not appear to have a matching CLI command yet. 2. 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. The --keyvault argument can be added to store the certificate in Azure Key Vault. Select New registration. This module requires elevated access to be able to create the application in AzureAD and … 3. What should have happened? Having a separate terraform folder per customer or environment with its own provider.tf files is very flexible. The run.sh script can be called with a destroy command:./run.sh dev destroy. The DevOps Project in my example will be called TamOpsTerraform as below. > az account list --query [*]. The following arguments are supported: application_id - (Optional) The ID of the Azure AD Application. ( Log Out /  GitHub repos have a feature known as Secrets that allow you to store sensitive information related to a project. Create service bus queue in Azure. You can list those out using the following command: For the moment we only want the roleAssignments and roleDefinitions actions and therefore the rest should remain as specified NotActions. The CLI commands are listed below for completeness. Change ). Service Principal. Create Azure Cosmos DB Account using ARM. This is a good combination as it ensures that you do not accidentally deploy resources into the wrong subscription, whilst removing the service principal’s app ID and password from the Terraform files. terraform.tfvars defines the appId and password variables to authenticate to Azure. These labs have been updated soon for 0.12 compliant HCL. For this tutorial, store three secrets – clientId, clientSecret, and tenantId.You will create these secrets because they will be used by Terraform … az group create -l australiaeast -n MariadbResourceGroup . Change ), You are commenting using your Google account. 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. For Windows 10 then the minimum is to use both terraform and az at the Windows OS level so that you can use them within a Command Prompt or PowerShell session. You will often see examples of Terraform resource types where the service principal is created manually. Files, but provider.tf is common. ) deployment across multiple subscriptions or clouds enable WSL then it very... You created an AKS service principal without issue your requirements is cross-platform and the standard (. Are a few: searching on `` Terraform Azure service principal is an option, especially if your vi nano... Service-Principal-Password > 3 vi, nano or emacs skills are good Optional ) the ID of the lab,... Some of those Microsoft.Authorization actions create the service principal without issue than the newer Microsoft Graph tool... Applications, hosted services, and automated tools to access Azure resources up. Allow some of those Microsoft.Authorization actions Terraform has the ability to create a file called terraform.customrole.json containing! Vscode is cross-platform and the standard packages ( az, jq, git and Terraform at that.... Git and Terraform at that level ssh on to the API permissions: this area falls. Hiding those resource types in a centralised Terraform environment Out / Change ), will... Output json ` and automated tools to access the newly created service principal the VM and work straight.! 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