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Managing Azure RBAC Roles and Assignments with Terraform
Jack Morris
This a quick guide I couldn’t wait to share. Here is a way of managing a custom roles and role assignments in Azure using Terraform. The versions of Terraform, AzureRM, and the AzureAD provider I’m using are as follows:
In this example, I’m creating a custom role that allows some users to view a shared dashboard in our Azure subscription. The users should be able to view the dashboard that Terraform is already creating, which is referred to by the terraform resource azurerm_dashboard.insights-dashboard :
This role grants read access to:
- The specific Shared Dashboard that is created elsewhere in Terraform by scoping this role just to the dashboard
- The same read permissions as the built-in Monitoring Reader role, minus the ability to raise support tickets. Since Insights queries a ton of data — each of which is exposed in a different permissions entry, e.g. Microsoft.Insights/metricAlerts/read , Microsoft.Insights/alertRules/read , Microsoft.Insights/components/*/read — I found it easier to make the read permissions more permissive and mimic one of the built-in roles here. The scope for this role is still only assignable to the dashboard, so effectively we grant read access to whatever Insights data the dashboard surfaces.
When assigning users to a role, you need their principal ID (also called an object ID) within Azure AD to perform the assignment. Personally, I wouldn’t want to have to find out each user’s object ID through some manual process or by using the CLI before I run terraform. What we can do instead is create a variable that stores all of the email addresses (which is also their UPN, or user princiupal name) associated with the users in Azure:
Then, we pass that variable to the AzureAD provider and use the for_each argument to loop through the users:
And finally, when we want to assign all of those users to the custom role we created above, we do this using for_each again, this time providing the data resource ( azuread_user ) we created above:
And that’s it! You can now assign a batch of users to an RBAC role in Azure using Terraform.
Written by Jack Morris
Solution Architect at Kainos
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azurerm_role_assignment
Assigns a given Principal (User or Application) to a given Role.
Example Usage (using a built-in Role)
Example usage (custom role & service principal), example usage (custom role & user), argument reference.
The following arguments are supported:
name - (Optional) A unique UUID/GUID for this Role Assignment - one will be generated if not specified. Changing this forces a new resource to be created.
scope - (Required) The scope at which the Role Assignment applies too, such as /subscriptions/0b1f6471-1bf0-4dda-aec3-111122223333 , /subscriptions/0b1f6471-1bf0-4dda-aec3-111122223333/resourceGroups/myGroup , or /subscriptions/0b1f6471-1bf0-4dda-aec3-111122223333/resourceGroups/myGroup/providers/Microsoft.Compute/virtualMachines/myVM . Changing this forces a new resource to be created.
role_definition_id - (Optional) The Scoped-ID of the Role Definition. Changing this forces a new resource to be created. Conflicts with role_definition_name .
role_definition_name - (Optional) The name of a built-in Role. Changing this forces a new resource to be created. Conflicts with role_definition_id .
principal_id - (Required) The ID of the Principal (User or Application) to assign the Role Definition to. Changing this forces a new resource to be created.
Attributes Reference
The following attributes are exported:
- id - The Role Assignment ID.
Role Assignments can be imported using the resource id , e.g.
© 2018 HashiCorpLicensed under the MPL 2.0 License. https://www.terraform.io/docs/providers/azurerm/r/role_assignment.html
azurerm_role_assignment
Assigns a given Principal (User or Application) to a given Role.
Example Usage (using a built-in Role)
Example usage (custom role & service principal), example usage (custom role & user), argument reference.
The following arguments are supported:
name - (Optional) A unique UUID/GUID for this Role Assignment - one will be generated if not specified. Changing this forces a new resource to be created.
scope - (Required) The scope at which the Role Assignment applies too, such as /subscriptions/0b1f6471-1bf0-4dda-aec3-111122223333 , /subscriptions/0b1f6471-1bf0-4dda-aec3-111122223333/resourceGroups/myGroup , or /subscriptions/0b1f6471-1bf0-4dda-aec3-111122223333/resourceGroups/myGroup/providers/Microsoft.Compute/virtualMachines/myVM . Changing this forces a new resource to be created.
role_definition_id - (Optional) The Scoped-ID of the Role Definition. Changing this forces a new resource to be created. Conflicts with role_definition_name .
role_definition_name - (Optional) The name of a built-in Role. Changing this forces a new resource to be created. Conflicts with role_definition_id .
principal_id - (Required) The ID of the Principal (User or Application) to assign the Role Definition to. Changing this forces a new resource to be created.
Attributes Reference
The following attributes are exported:
- id - The Role Assignment ID.
Role Assignments can be imported using the resource id , e.g.
© 2018 HashiCorp Licensed under the MPL 2.0 License. https://www.terraform.io/docs/providers/azurerm/r/role_assignment.html
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hashicorp/terraform-provider-azurerm latest version 3.98.0. Published 5 days ago. ... azurerm_ role_ assignment azurerm_ role_ assignment_ marketplace ... Custom Providers; DNS; Dashboard; Data Explorer; Data Factory; Data Share; DataProtection; Database; Database Migration; Databox Edge;
The following arguments are supported: role_definition_id - (Optional) A unique UUID/GUID which identifies this role - one will be generated if not specified. Changing this forces a new resource to be created. name - (Required) The name of the Role Definition. scope - (Required) The scope at which the Role Definition applies to, such as ...
The first option is the simplest way, where each Role Assignment at a specific scope has its own module block. One to assign the Owner role and the other to assign the Contributor role. The second example uses the for_each expression to perform the same role assignments but with only one module block. Here, we loop through a map object that ...
Here is a way of managing a custom roles and role assignments in Azure using Terraform. The versions of Terraform, AzureRM, and the AzureAD provider I'm using are as follows: In this example, I'm creating a custom role that allows some users to view a shared dashboard in our Azure subscription. The users should be able to view the dashboard ...
The simplest way is that you have the Onwer role of the subscription. And to create an Azure AD user: To add or delete users you must be a User administrator or Global administrator. When you have all the needed permission. Let's focus on your code. You also need to assign the custom role to the user you created with the scope of the resource ...
To assign a custom role, we need to expand upon the built-in configuration by using archetype extensions.You can learn more about archetype extensions in this article.. If you don't already have an archetype_extension_es_root.tmpl.json file within your custom lib directory, create one and copy the below code in to the file. This code will save your new Reader-Support-Tickets role at this scope ...
AVM Terraform module for role assignments. Contribute to Azure/terraform-azurerm-avm-res-authorization-roleassignment development by creating an account on GitHub. ... You can use either built in or custom role definitions. There are two variables used to find role definitions: role_definitions: Find Azure Resource Manager role definitions by ...
principal_id - (Required) The ID of the Principal (User or Application) to assign the Role Definition to. Changing this forces a new resource to be created. Attributes Reference . The following attributes are exported: id - The Role Assignment ID. Import . Role Assignments can be imported using the resource id, e.g.
Azure RBAC best practices. Let's start by outlining some general best practices on Azure role-based access control: Use the built-in Azure roles wherever possible and avoid custom roles. If custom ...
Note that custom roles in GCP have the concept of a soft-delete. There are two issues that may arise from this and how roles are propagated. 1) creating a role may involve undeleting and then updating a role with the same name, possibly causing confusing behavior between undelete and update. 2) A deleted role is permanently deleted after 7 days ...
This page describes how to deploy your Azure landing zone with a custom configuration, including guidance on how to override the dynamically generated Role Assignments for a specific Policy Assignment with Managed Identity. NOTE: This feature is available from version 0.2.2.
Role Assignments can be imported using the resource id, e.g. Licensed under the MPL 2.0 License. azurerm_role_assignment Assigns a given Principal (User or Application) to a given Role. Example Usage (using a built-in Role) data "azurerm_subscription" "primary" {} data "azurerm_client_config" "test" {} resource "azurerm_role_assignment" "test ...
Conclusion. This article provided a quick solution for importing Azure AD app role assignments into Terraform, addressing the challenge of manual interventions in infrastructure management ...
Building Azure custom roles can easily be done using the Azure Caf Enterprise Scale module found here: https://youtu.be/8iPb1WetqqoThis video will go over ho...
The first option is the simplest way, where each Role Assignment at a specific scope has its own module block. One to assign the Owner role and the other to assign the Contributor role. The second example uses the for_each expression to perform the same role assignments but with only one module block. Here, we loop through a map object that ...
Name Description Type Default Required; assign_role: Whether or not a role should be assigned to a scope: bool: true: no: create_role: Whether a role definition should be created
hashicorp/terraform-provider-azurerm latest version 3.98.0. Published 5 days ago. ... azurerm_ role_ assignment azurerm_ role_ assignment_ marketplace ... Custom Providers; DNS; Dashboard; Data Explorer; Data Factory; Data Share; DataProtection; Database; Database Migration; Databox Edge;
I have an ansible playbook that execute this command to enable system assigned identity and add "Storage Blob Data Contributor" role on a specific VM. az vm identity assign --name &q...
I have to import some roles, in the documentation it states. The frist uid is easy to find, but what is the second one. When I look into the portal I see that the role is assigned on the resource itself, but can't find a trace of a uid.