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conditions-role-assignments-portal.md

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Add or edit Azure role assignment conditions using the Azure portal

An Azure role assignment condition is an optional check that you can add to your role assignment to provide more fine-grained access control. For example, you can add a condition that requires an object to have a specific tag to read the object. This article describes how to add, edit, view, or delete conditions for your role assignments using the Azure portal.

Prerequisites

For information about the prerequisites to add or edit role assignment conditions, see Conditions prerequisites .

Step 1: Determine the condition you need

To get some ideas about conditions that could be useful to you, review the examples in Example Azure role assignment conditions for Blob Storage .

Currently, conditions can be added to built-in or custom role assignments that have blob storage data actions or queue storage data actions . These include the following built-in roles:

• Storage Blob Data Contributor
• Storage Blob Data Owner
• Storage Blob Data Reader
• Storage Queue Data Contributor
• Storage Queue Data Message Processor
• Storage Queue Data Message Sender
• Storage Queue Data Reader

Step 2: Choose how to add condition

There are two ways that you can add a condition. You can add a condition when you add a new role assignment or you can add a condition to an existing role assignment.

New role assignment

Follow the steps to Assign Azure roles using the Azure portal .

On the Conditions (optional) tab, click Add condition .

If you don't see the Conditions (optional) tab, be sure you selected a role that supports conditions.

The Add role assignment condition page appears.

Existing role assignment

In the Azure portal, open Access control (IAM) at the scope where you want to add a condition. For example, you can open a subscription, resource group, or a resource.

Currently, you can't use the Azure portal to add, view, edit, or delete a condition add at a management group scope.

Click the Role assignments tab to view all the role assignments at this scope.

Find a role assignment that has storage data actions that you want to add a condition to.

In the Condition column, click Add .

If you don't see the Add link, be sure you're looking at the same scope as the role assignment.

Step 3: Review basics

Once you have the Add role assignment condition page open, you can review the basics of the condition. Role indicates the role that the condition will be added to.

For the Editor type option, leave the default Visual selected.

Once you add a condition, you can toggle between Visual and Code.

(Optional) If the Description box appears, enter a description.

Depending on how you chose to add a condition, you might not see the Description box. A description can help you understand and remember the purpose of the condition.

Step 4: Add actions

In the Add action section, click Add action .

The Select an action pane appears. This pane is a filtered list of data actions based on the role assignment that will be the target of your condition. For more information, see Azure role assignment condition format and syntax .

Select the actions you want to allow if the condition is true.

If you select multiple actions for a single condition, there might be fewer attributes to choose from for your condition because the attributes must be available across the selected actions.

Click Select .

The selected actions appear in the action list.

Step 5: Build expressions

In the Build expression section, click Add expression .

The Expressions section expands.

In the Attribute source list, select where the attribute can be found.

• Environment indicates that the attribute is associated with the network environment over which the resource is accessed such as a private link, or the current date and time.
• Resource indicates that the attribute is on the resource, such as container name.
• Request indicates that the attribute is part of the action request, such as setting the blob index tag.
• Principal indicates that the attribute is a Microsoft Entra custom security attribute principal, such as a user, enterprise application (service principal), or managed identity.

In the Attribute list, select an attribute for the left side of the expression.

For more information about supported attribute sources and individual attributes, see Attributes .

Depending on the attribute you select, boxes might be added to specify additional attribute details or operators. For example, some attributes support the Exists function operator , which you can use to test whether the attribute is currently associated with the resource such as an encryption scope.

In the Operator list, select an operator.

For more information, see Azure role assignment condition format and syntax .

In the Value box, enter a value for the right side of the expression.

Add more expressions as needed.

If you add three or more expressions, you might need to group them with parentheses so the connecting logical operators are evaluated correctly. Add check marks next to the expressions you want to group and then select Group . To remove grouping, select Ungroup .

Step 6: Review and add condition

Scroll up to Editor type and click Code .

The condition is displayed as code. You can make changes to the condition in this code editor. The code editor can be useful for pasting sample code, or for adding more operators or logic to build more complex conditions. To go back to the visual editor, click Visual .

Click Save to add the condition to the role assignment.

View, edit, or delete a condition

In the Azure portal, open Access control (IAM) for the role assignment that has a condition that you want to view, edit, or delete.

Click the Role assignments tab and find the role assignment.

In the Condition column, click View/Edit .

If you don't see the View/Edit link, be sure you're looking at the same scope as the role assignment.

Use the editor to view or edit the condition.

When finished, click Save . To delete the entire condition, click Delete condition . Deleting the condition does not remove the role assignment.

• Example Azure role assignment conditions for Blob Storage
• Tutorial: Add a role assignment condition to restrict access to blobs using the Azure portal
• Troubleshoot Azure role assignment conditions

Azure RBAC: role assignments and ARM templates

This post is about Azure's role assignments and ARM templates. Role assignments can be thought of as "permissions for Azure".

If you're deploying to Azure, there's a good chance you're using ARM templates to do so. Once you've got past "Hello World", you'll probably find yourself in a situation when you're deploying multiple types of resource to make your solution. For instance, you may be deploying an App Service alongside Key Vault and Storage .

One of the hardest things when it comes to deploying software and having it work, is permissions. Without adequate permissions configured, the most beautiful code can do nothing . Incidentally, this is a good thing. We're deploying to the web; many people are there, not all good. As a different kind of web-head once said:

Azure has great power and suggests you use it wisely .

Access management for cloud resources is critical for any organization that uses the cloud. Azure role-based access control (Azure RBAC) helps you manage who has access to Azure resources, what they can do with those resources, and what areas they have access to. Designating groups or individual roles responsible for specific functions in Azure helps avoid confusion that can lead to human and automation errors that create security risks. Restricting access based on the need to know and least privilege security principles is imperative for organizations that want to enforce security policies for data access.

This is good advice. With that in mind, how can we ensure that the different resources we're deploying to Azure can talk to one another?

Role (up for your) assignments ​

The answer is roles. There's a number of roles that exist in Azure that can be assigned to users, groups, service principals and managed identities. In our own case we're using managed identity for our resources. What we can do is use "role assignments" to give our managed identity access to given resources. Arturo Lucatero gives a great short explanation of this:

Whilst this explanation is delightfully simple, the actual implementation when it comes to ARM templates is a little more involved. Because now it's time to talk "magic" GUIDs. Consider the following truncated ARM template, which gives our managed identity (and hence our App Service which uses this identity) access to Key Vault and Storage:

Let's take a look at these three variables:

The three variables above contain the subscription resource ids for the roles Storage Blob Data Contributor , Key Vault Secrets Officer and Key Vault Crypto Officer . The first question on your mind is likely: "what is ba92f5b4-2d11-453d-a403-e96b0029c9fe and where does it come from?" Great question! Well, each of these GUIDs represents a built-in role in Azure RBAC. The ba92f5b4-2d11-453d-a403-e96b0029c9fe represents the Storage Blob Data Contributor role.

How can I look these up? Well, there's two ways; there's an article which documents them here or you could crack open the Cloud Shell and look up a role by GUID like so:

Or by name like so:

As you can see, the Actions section of the output above (and in even more detail on the linked article ) provides information about what the different roles can do. So if you're looking to enable one Azure resource to talk to another, you should be able to refer to these to identify a role that you might want to use.

Creating a role assignment ​

So now we understand how you identify the roles in question, let's take the final leap and look at assigning those roles to our managed identity. For each role assignment, you'll need a roleAssignments resource defined that looks like this:

Let's go through the above, significant property by significant property (it's also worth checking the official reference here ):

• type - the type of role assignment we want to create, for a key vault it's "Microsoft.KeyVault/vaults/providers/roleAssignments" , for storage it's "Microsoft.Storage/storageAccounts/providers/roleAssignments" . The pattern is that it's the resource type, followed by "/providers/roleAssignments" .
• dependsOn - before we can create a role assignment, we need the service principal we desire to permission (in our case a managed identity) to exist
• properties.roleDefinitionId - the role that we're assigning, provided as an id. So for this example it's the keyVaultCryptoOfficer variable, which was earlier defined as [subscriptionResourceId('Microsoft.Authorization/roleDefinitions', 'ba92f5b4-2d11-453d-a403-e96b0029c9fe')] . (Note the use of the GUID)
• properties.principalId - the id of the principal we're adding permissions for. In our case this is a managed identity (a type of service principal).
• properties.scope - we're modifying another resource; our key vault isn't defined in this ARM template and we want to specify the resource we're granting permissions to.
• properties.principalType - the type of principal that we're creating an assignment for; in our this is "ServicePrincipal" - our managed identity.

There is an alternate approach that you can use where the type is "Microsoft.Authorization/roleAssignments" . Whilst this also works, it displayed errors in the Azure tooling for VS Code . As such, we've opted not to use that approach in our ARM templates.

Many thanks to the awesome John McCormick who wrangled permissions with me until we bent Azure RBAC to our will.

• Role (up for your) assignments
• Creating a role assignment

Manage Azure Role Assignments Like a Pro with PowerShell

Today’s blog post is a little bit different. I have a couple of examples of how you can use PowerShell snippets and simple commandlets to get or set role assignmnets in your Azure Subscriptions.

PowerShell examples for managing Azure Role assignments

List all role assignments in a subscription, get all role assignments for a specific resource group, get all role assignments for a specific user, add a role assignment to a user, remove a role assignment for a user, remove all role assignments for a specific user, list all built-in roles, list all custom roles, create a custom role, update a custom role, delete a custom role, list all users or groups assigned to a specific role, list all permissions granted by a specific role, list all resource groups that a user has access to, create a role assignment for a service principal, powershell script to manage azure role assignments.

And now there is a script that combines some of these examples into one usable function:

I hope this was useful. Let me know if you liked the format of this blog and if you want me to include more of these examples.

Vukasin Terzic

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Azure role assignments at root.

I was working on tidying up role assignments in Azure recently and thought it would be worth blog post to run through how to do it via powershell which is required if you are removing assignments which have been set at the root in management groups.

The screenshot below shows the permissions have been set for a user at the root level.

If you try and remove these permissions through the Azure portal you will be met with the following notification.

You can user Azure CLI or PowerShell to achieve this. I opted for PowerShell.

In order to remove the permissions you will require to have appropriate permissions set on your own account such as owner at the root level or User Access Administrator at the root.

Open PowerShell and use Connect-AzAccount. This will popup a modern authentication login box to login to Azure.

Once connected run the following command to confirm the account you wish to remove the role assignment.

Get-AzRoleAssignment | where {$_.RoleDefinitionName -eq "Owner" ` -and $_.SignInName -eq "<[email protected]>" -and $_.Scope -eq "/"}

The command above lists the accounts set with owner permissions at the root level. You can modify this command to show you other permissions and also change the scope if required. I got the results below.

I have obfuscated the actual details for privacy reasons but the second account in the list is the user account I wish to remove the assignment from. In order to remove the assignment I run the following command in Powershell.

Remove-AzRoleAssignment -SignInName <[email protected]> -RoleDefinitionName "Owner" -Scope "/"

And that’s it, the role assignment should now be removed. You can re run the previous command to confirm. This is the only way you can remove assignments at root as its not available through the portal but you can also remove or add other assignments using PowerShell at different scopes.

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• Role Assignment using Azure Portal

Return to AZ-104 Tutorial

Before you learn to add or remove Azure role assignments using the Azure portal, it is very important to understand Azure Role-Based Access Control (RBAC). We may define Azure role-based access control (RBAC) is an authorization system that can be used to manage access to Azure resources. Now in order to grant access, you are required to assign roles to users, groups, service principals, or managed identities at a particular scope.

Prerequisites of Assigning Roles :

In order to add or remove role assignments, we are required are –

• Microsoft.Authorization/roleAssignments/write
• Microsoft.Authorization/roleAssignments/delete permissions (From User Access Administrator or Owner)

Access control (IAM)

IAM (Identity and Access Management) is a specified page for assigning roles and granting access to Azure resources. In the Azure portal, Access Control is also known as identity and access management.

Steps to Add a Role Assignment

In Azure role-based access control (RBAC), in order to grant access to an Azure resource, you must add a role assignment. We shall now discuss the steps to add a role assignment.

• First Step – In the Azure portal, we will click on All services and then select the scope that we want to grant access to namely, Management groups, Subscriptions, Resource groups, or a resource.
• Second Step – We should then Click the specific resource for that scope.
• Third Step – Now Click Access control (IAM).
• Fourth Step – In this step we will click the Role assignments tab to view the role assignments at this scope.
• Fifth Step – Now Click Add > Add role assignment. But in case you do not have permissions to assign roles, the Add role assignment option will be disabled.
• Sixth Step – In the Role drop-down list, select a role such as Virtual Machine Contributor.
• Seventh Step – In this step we will select a user, group, service principal, or managed identity. Then in the Select list, in case, we do not find the security principal in the list, next we can type in the Select box to search the directory for display names, email addresses, and object identifiers.
• Eighth Step – Click Save to assign the role. After a few moments, the security principal is assigned the role at the selected scope.

Steps to Add a role assignment for a managed identity

In this topic, we will describe an alternate way to add role assignments for a managed identity. Thereby, using these steps, you start with the managed identity and then select the scope and role.

• Firstly, in the Azure portal, open a system-assigned managed identity.
• Then, in the left menu, click Identity.
• Next, under Permissions, click Azure role assignments. If roles are already assigned to the selected system-assigned managed identity, you see the list of role assignments. This list includes all role assignments you have permission to read.
• Now, to change the subscription, click the Subscription list.
• Then click Add role assignment (Preview).
• In this step, use the drop-down lists to select the set of resources that the role assignment applies to such as Subscription, Resource Group, or resource. But in case you do not have role assignment write permissions for the selected scope, then an inline message will be displayed.
• Select a role such as Virtual Machine Contributor, in the Role drop-down list.
• Lastly, Click Save to assign the role.

Steps to Remove a Role Assignment

In order to remove access from an Azure resource, in Azure RBAC we must remove a role assignment.

• The first step we will first Open Access control (IAM) at a scope, such as management group, subscription, resource group, or resource, where you want to remove access.
• In the second step, click the Role assignments tab to view all the role assignments for this subscription.
• Next in the list of role assignments, add a checkmark next to the security principal with the role assignment you want to remove.
• Now Click Remove.
• Lastly, in the remove role assignment message that appears, click Yes.

Note – Any message displaying that inherited role assignments cannot be removed, indicates that you are trying to remove a role assignment at a child scope. In this case, you must open Access control (IAM) at the scope where the role was assigned and then try again.

Reference:  Microsoft Documentation

Prepare for Assured Success

Export role assignments for all Azure subscriptions

Microsoft has done it straightforward to get an overview of Azure role assignments for a subscription. They have added the  Download role assignments  button in the Azure portal under Subscriptions. When I’m working with customers that have many subscriptions, I’ll like to get an overview of all the subscriptions at once. Therefore I use PowerShell the export role assignments for all Azure subscriptions at once.

Script parameters

There are 2 parameters in the script, $OutputPath and $SelectCurrentSubscription . None of them are mandatory.

$OutputPath: If defined, a CSV file will be exported to the chosen location. Example:  .\Export-RoleAssignments.ps1 -OutputPath C:\temp

$SelectCurrentSubscription: Will only export role assignments from the subscription that are selected. Example:  .\Export-RoleAssignments.ps1 -SelectCurrentSubscription

Run  Get-Azcontext  to view which subscription is selected.

Script Output

Besides getting an overview of the overall role assignments in an Azure subscription, I also like to know if a role is a Custom or Built-in role. The script will check each assignment if CustomRole is True or False.

Output Example in Powershell Console

Output Example to CSV File

The PowerShell Script

The Powershell script will be available on my account Github . Go there for the latest updates (article script will not be synced with the GitHub version).

3 thoughts on “ Export role assignments for all Azure subscriptions ”

Can you edit the script that when roles assigned to groups the group members are also exported in that csv?

getting the following error on azuread part:

PS C:\scripts> .\azure.ps1 -OutPutPath C:\temp VERBOSE: Running for all subscriptions in tenant VERBOSE: Changing to Subscription Access to Azure Active Directory VERBOSE: Getting information about Role Assignments… WARNING: We have migrated the API calls for this cmdlet from Azure Active Directory Graph to Microsoft Graph. Visit https://go.microsoft.com/fwlink/?linkid=2181475 for any permission issues. Get-AzRoleAssignment : Operation returned an invalid status code ‘BadRequest’ At C:\scripts\azure.ps1:39 char:14 + $roles = Get-AzRoleAssignment | Select-Object RoleDefinitionName, … + ~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : CloseError: (:) [Get-AzRoleAssignment], ErrorResponseException + FullyQualifiedErrorId : Microsoft.Azure.Commands.Resources.GetAzureRoleAssignmentCommand

You have to edit the script for it to work again. You will have to change the API call to Microsoft Graph. Maybe I will do it at some point.

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Delegate Azure role assignment management using conditions

How to delegate role assignment management using conditions, how to delegate role assignment management using a new built-in role with built-in conditions.

We're excited to share the public preview of delegating Azure role assignment management using conditions. This preview gives you the ability to enable others to assign Azure roles but add restrictions on the roles they can assign and who they can assign roles to. 

As the owner of an Azure subscription, you likely get requests from developers to grant them the ability to assign roles in your subscription. You could assign them the Owner or User Access Administrator role, but those roles grant permission to assign any Azure role (including Owner!), and that's probably a lot more permission than necessary for that developer's scenario. You could instead make role assignments for these developers on demand, but that makes you an unnecessary and impractical bottleneck in their workflow.

Another common case we hear about is a deployment pipeline that needs to make role assignments as part of the deployment process, for example to grant a virtual machine managed identity access to Azure Storage and other resources. You don't want to assign the deployment pipeline the Owner or User Access Administrator role because again, it's a lot more permission than is needed for the scenario.

We created this feature so you can grant permission to create role assignments, but only under specific conditions, such as for specific roles. You can do this in two ways:

• Make a role assignment that is constrained using conditions.
• Use a new built-in role that has built-in conditions.

Let's look at each scenario.

Meet Dara, a developer who needs to enable an Azure Kubernetes Service (AKS) managed identity to pull images from an Azure Container Registry (ACR). Now, you can assign Dara the Role Based Access Administrator role and add conditions so she can only assign the AcrPull and AcrPush roles and only to service principals.

Let's look at how to do this step by step :

Step 1: When creating a new role assignment, on the Privileged administrator roles tab select the new Role Based Access Control Administrator role. You could also select any built-in or custom role that includes the Microsoft.Authorization/roleAssignments/write action.

Step 3: On the Condition tab, click Add condition to add the condition to the role assignment.

Step 4: On the Add role assignment condition page, specify how you want to constrain the role assignments this user can perform by selecting one of the templates. For example, if you only want to restrict the roles that a user can assign (ex. AcrPull and AcrPush) and the type of principals the user can assign roles to (ex. service principals), select the Constrain roles and principal types template.

Step 5: On the Constrain roles and principal types pane, add the roles you want the user to be able to assign and select to what principal types the user can assign roles to.

Now Dara wants to control who can sign into virtual machines using Microsoft Entra ID credentials. To do this, Dara needs to create role assignments for the Virtual Machine User Login or Virtual Machine Administrator Login roles. In the past, you had to grant Dara the Owner or User Access Administrator role so she could make these assignments. Now, you can grant Dara the new Virtual Machine Data Access Administrator role. Then, Dara will only be able to assign the roles needed to manage access to the virtual machine. 

Similarly, you can assign Key Vault Data Access Administrator role to trusted users managing key vaults, enabling them to assign only Azure Key Vault-related roles.

To assign the new built-in roles with built-in conditions, start a new role assignment, select the Job function roles tab, and select a role with built-in conditions, such as Virtual Machine Data Access Administrator. Then complete the flow to add a new role assignment.

Roles with built-in conditions have Data Access Administrator as part of the role name. Also, you can check if a role definition contains a condition. In the Details column, click View , select the JSON tab, and then inspect the condition property. Over time we'll add more roles with built-in conditions, for the most common scenarios, to make it easy to manage resources and manage access to those resources with simple role assignments. 

We have several examples for you to get started and customize as needed. Delegating Azure role assignments with conditions is supported using the Azure portal, Azure Resource Manager REST API , PowerShell, and Azure CLI. Try it out and let us know your feedback in the comments or by using the Feedback button on the Access control (IAM) blade in the Azure portal!

 Stuart Kwan

Partner Manager, Product Management

Microsoft Entra

Learn more about Microsoft Entra:

• See recent Microsoft Entra blogs
• Dive into Microsoft Entra technical documentation
• Join the conversation on the Microsoft Entra discussion space and Twitter
• Learn more about Microsoft Security

This article was originally published by Microsoft's Entra (Azure AD) Blog . You can find the original article here .

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Azure Role Assignments with Constraints

If you’ve worked in Azure, you have definitely come across managing access using Role Based Access Control (RBAC) and have been met with different challenges. Until recently, the RBAC model in Azure has been missing a key piece: the ability to enforce constraints on the delegation of role assignments. This missing piece has led to a less than ideal user experience for those managing Azure resources. Fortunately, Azure Role Assignments with Constraints is here, hopefully providing the missing piece to a complete RBAC model in Azure. With this new feature, IT administrators and stakeholders can now easily and securely manage access to Azure resources, greatly improving the experience for all parties.

Role based access control

In most Azure environments I’ve worked in, IT rarely assigns Owner or User Access Administrator to stakeholders; instead, they’re the gatekeepers for giving out permissions to resources. This often leads to tickets being placed with IT and long wait times for new stakeholders to start consuming services in Azure, and most often the actual teams have more knowledge of who should have access to a resource than IT has.

This will most likely lead to frustration as developers will have problems fully setting up an application or service. For example, a developer creates an Azure Function with a Managed Identity that requires Storage Blob Data Contributor to a Storage Account, but they’re not able to assign any roles for that identity.

On the other hand, if given full permissions, someone inexperienced with Azure or someone who doesn’t value security may end up exposing the environment to security risks. I think we can all agree the model isn’t all there yet.

How it works today

Delegate role assignments with constraints.

With this new feature, we can instead delegate Dara the ability to assign only certain roles and principal types. For example, we can allow Dara and their team members to assign only Service principals the Key Vaults Secrets User and Storage Blob Data Contributor roles. With this in place, the team is now able to create that Azure Function with a Managed Identity and assign it the Storage Blob Data Contributor for any resource inside that subscription.

Constrains example

Getting started.

Click the images to enlarge them

To get started follow the below steps.

At your desired scope, go to the IAM blade and select Add to create a new role assignment.

Select the Privileged administrator roles tab and find the Role Based Access Control Administrator role.

Add the desired User or Group that should be able to delegate roles at the scope.

Select Add condition to define the conditions.

The portal will present three templates that can be used, and in this example I’m using the middle one. It will allow me to target what roles users in the Az_Analytics_Users group can assign, and to what identity types. Opening the advanced condition editor will present the full configuration experience that allows for finer tuning. For example, users can create role assignments, but not delete them.

I want them to be able to assign Key Vaults Secrets User and Storage Blob Data Contributor to Service principals .

Hit save and the configuration will be presented before assignment is made.

That’s it! Users in the group Az_Analytics_Users are now able to assign the roles specified in the expression to Service principals. If they try to assign any other roles they’ll be denied.

We can also configure everything using PowerShell.

Another example

Here I’m using the advanced condition editor. Users are able to assign all roles except Owner and User Access Administrator for all principal types; users, group, and service principals. This is done by negating the expression by ticking the checkbox when configuring what roles can be assigned.

An imporant thing to note here is that when a user assigns a role to another user not already present in the tenant, a guest invitation will be sent out, unless guest invitation is restricted.

Final thoughts

I must say that I find this feature highly appealing, and I firmly believe that it will bring significant benefits to both IT administrators and developers alike. Previously, granting Owner or User Access Administrator permissions often entailed a considerable amount of responsibility for Azure stakeholders, akin to providing them with unrestricted access. However, with this new feature, we can now delegate some of the RBAC assignments to stakeholders, which will ultimately result in reduced wait times and minimize unwarranted frustration.

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How can i put Deny Assignment in Azure Subscription or Resource Group level?

I want to put a Deny Rule on the subscription so that the contributor access can be overridden with the custom role with some exceptions.

I found the article on MS portal ( https://learn.microsoft.com/en-us/azure/role-based-access-control/deny-assignments ), though not able to get any example how this can be implemented.

Any guidance will be helpful.

• azure-rm-template

• Just to clarify, you want to apply Contributor access and then just have your deny rules in the Custom Role? What scenarios have you tested so far? –  Bevan Commented Aug 29, 2019 at 23:19

You need to use the Azure Blueprints , you can't directly create your own deny assignments, deny assignments are created and managed by Azure, e.g. Azure Blueprints.

The doc explains that:

Deny assignments are created and managed by Azure to protect resources. For example, Azure Blueprints and Azure managed apps use deny assignments to protect system-managed resources. For more information, see Protect new resources with Azure Blueprints resource locks .

• Thanks Joy, i had the same feeling. Was trying out the blueprint, which applies lock rather than any deny permissions –  Linu1988 Commented Aug 30, 2019 at 13:19
• Thanks Joy, it seems like the suggested approach is the only way for now. Microsoft is working on custom definition which will help fulfilling the requirement. –  Linu1988 Commented Sep 4, 2019 at 19:17

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This topic describes how to create managed identities for VMware Tanzu Kubernetes Grid Integrated Edition (TKGI) on Microsoft Azure.

In order for Kubernetes to create load balancers and attach persistent disks to pods, you must create managed identities with sufficient permissions.

You need separate managed identities for the Kubernetes cluster control plane and worker node VMs.

VMware recommends configuring each service account with the least permissive privileges and unique credentials.

Retrieve Your Subscription ID and Resource Group

To perform the procedures in this topic, you must have your Azure Subscription ID and the name of your Tanzu Kubernetes Grid Integrated Edition Resource Group.

If you do not know your Subscription ID or Resource Group:

• Navigate to the Azure portal.
• Click Resource groups .
• Determine the name of your Tanzu Kubernetes Grid Integrated Edition Resource Group.
• Determine the Subscription ID for your Tanzu Kubernetes Grid Integrated Edition Resource Group.

Note: You specified the Subscription ID to use and your Tanzu Kubernetes Grid Integrated Edition Resource Group name when completing the steps in Step 1: Create Network Resources in Deploying Ops Manager on Azure Manually .

Create the Control Plane Node Managed Identity

Perform the following steps to create the managed identity for the control plane nodes:

Create a role definition using the following template:

• SUBSCRIPTION-ID is your Subscription ID.
• RESOURCE-GROUP is the name of your Tanzu Kubernetes Grid Integrated Edition Resource Group.

For more information about custom roles in Azure, see Custom Roles in Azure in the Azure documentation.

Save your template as tkgi_master_role.json .

To log in, run the following command with the Azure CLI:

To authenticate, navigate to the URL in the output, enter the provided code, and click your account.

Create the role in Azure by running the following command from the directory with tkgi_master_role.json :

Create a managed identity by running the following command:

Where RESOURCE-GROUP is the name of your Tanzu Kubernetes Grid Integrated Edition resource group. For more information about managed identities, see Create a user-assigned managed identity in the Azure documentation.

• Navigate to the Azure Portal and log in.
• Open the Tanzu Kubernetes Grid Integrated Edition resource group.
• Click Access control (IAM) on the left panel.
• Click Add role assignment .
• For Assign access to , select User Assigned Managed Identity .
• For Role , select TKGI master .
• For Select , select the tkgi-master identity created above.

Note: The TKGI control plane custom role created above is less permissive than the built-in roles provided by Azure. However, if you want to use the built-in roles instead of the recommended custom role, you can select the following three built-in roles in Azure: Storage Account Contributor , Network Contributor , and Virtual Machine Contributor .

Create the Worker Node Managed Identity

Perform the following steps to create the managed identity for the worker nodes:

Save your template as tkgi_worker_role.json .

Create the role in Azure by running the following command from the directory with tkgi_worker_role.json :

Where RESOURCE-GROUP is the name of your Tanzu Kubernetes Grid Integrated Edition resource group.

• For Role , select TKGI worker .
• For Select , select the tkgi-worker identity created above.

Note: The TKGI worker custom role created above is less permissive than the built-in roles provided by Azure. However, if you want to use the built-in roles instead of the recommended custom role, you can select the Storage Account Contributor built-in role in Azure.

Next Installation Step

To install and configure Tanzu Kubernetes Grid Integrated Edition, follow the instructions in Installing Tanzu Kubernetes Grid Integrated Edition on Azure .

• NIST 800-53
• Common Controls Hub

Azure SQL Database must allow only the ISSM (or individuals or roles appointed by the ISSM) to select which auditable events are to be audited.

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Create or update Azure custom roles using the Azure portal

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If the Azure built-in roles don't meet the specific needs of your organization, you can create your own Azure custom roles. Just like built-in roles, you can assign custom roles to users, groups, and service principals at management group, subscription and resource group scopes. Custom roles are stored in a Microsoft Entra directory and can be shared across subscriptions. Each directory can have up to 5000 custom roles. Custom roles can be created using the Azure portal, Azure PowerShell, Azure CLI, or the REST API. This article describes how to create custom roles using the Azure portal.

Prerequisites

To create custom roles, you need:

• Permissions to create custom roles, such as Owner or User Access Administrator

Step 1: Determine the permissions you need

Azure has thousands of permissions that you can potentially include in your custom role. Here are some methods that can help you determine the permissions you will want to add to your custom role:

• Look at existing built-in roles .
• List the Azure services you want to grant access to.
• Determine the resource providers that map to the Azure services . A search method is described later in Step 4: Permissions .
• Search the available permissions to find permissions you want to include. A search method is described later in Step 4: Permissions .

Step 2: Choose how to start

There are three ways that you can start to create a custom role. You can clone an existing role, start from scratch, or start with a JSON file. The easiest way is to find an existing role that has most of the permissions you need and then clone and modify it for your scenario.

Clone a role

If an existing role does not quite have the permissions you need, you can clone it and then modify the permissions. Follow these steps to start cloning a role.

In the Azure portal, open a management group, subscription, or resource group where you want the custom role to be assignable and then open Access control (IAM) .

The following screenshot shows the Access control (IAM) page opened for a subscription.

Click the Roles tab to see a list of all the built-in and custom roles.

Search for a role you want to clone such as the Billing Reader role.

At the end of the row, click the ellipsis ( ... ) and then click Clone .

This opens the custom roles editor with the Clone a role option selected.

Proceed to Step 3: Basics .

Start from scratch

If you prefer, you can follow these steps to start a custom role from scratch.

Click Add and then click Add custom role .

This opens the custom roles editor with the Start from scratch option selected.

Start from JSON

If you prefer, you can specify most of your custom role values in a JSON file. You can open the file in the custom roles editor, make additional changes, and then create the custom role. Follow these steps to start with a JSON file.

Create a JSON file that has the following format:

In the JSON file, specify values for the various properties. Here's an example with some values added. For information about the different properties, see Understand Azure role definitions .

In the Azure portal, open the Access control (IAM) page.

This opens the custom roles editor.

On the Basics tab, in Baseline permissions , select Start from JSON .

Next to the Select a file box, click the folder button to open the Open dialog box.

Select your JSON file and then click Open .

Step 3: Basics

On the Basics tab, you specify the name, description, and baseline permissions for your custom role.

In the Custom role name box, specify a name for the custom role. The name must be unique for the Microsoft Entra directory. The name can include letters, numbers, spaces, and special characters.

In the Description box, specify an optional description for the custom role. This will become the tooltip for the custom role.

The Baseline permissions option should already be set based on the previous step, but you can change.

Step 4: Permissions

On the Permissions tab, you specify the permissions for your custom role. Depending on whether you cloned a role or if you started with JSON, the Permissions tab might already list some permissions.

Add or remove permissions

Follow these steps to add or remove permissions for your custom role.

To add permissions, click Add permissions to open the Add permissions pane.

This pane lists all available permissions grouped into different categories in a card format. Each category represents a resource provider , which is a service that supplies Azure resources.

In the Search for a permission box, type a string to search for permissions. For example, search for invoice to find permissions related to invoice.

A list of resource provider cards will be displayed based on your search string. For a list of how resource providers map to Azure services, see Resource providers for Azure services .

Click a resource provider card that might have the permissions you want to add to your custom role, such as Microsoft Billing .

A list of the management permissions for that resource provider is displayed based on your search string.

If you are looking for permissions that apply to the data plane, click Data Actions . Otherwise, leave the actions toggle set to Actions to list permissions that apply to the control plane. For more information, about the differences between the control plane and data plane, see Control and data actions .

If necessary, update the search string to further refine your search.

Once you find one or more permissions you want to add to your custom role, add a check mark next to the permissions. For example, add a check mark next to Other : Download Invoice to add the permission to download invoices.

Click Add to add the permission to your permission list.

The permission gets added as an Actions or a DataActions .

To remove permissions, click the delete icon at the end of the row. In this example, since a user will not need the ability to create support tickets, the Microsoft.Support/* permission can be deleted.

Add wildcard permissions

Depending on how you chose to start, you might have permissions with wildcards ( * ) in your list of permissions. A wildcard ( * ) extends a permission to everything that matches the action string you provide. For example, the following wildcard string adds all permissions related to Azure Cost Management and exports. This would also include any future export permissions that might be added.

If you want to add a new wildcard permission, you can't add it using the Add permissions pane. To add a wildcard permission, you have to add it manually using the JSON tab. For more information, see Step 6: JSON .

It's recommended that you specify Actions and DataActions explicitly instead of using the wildcard ( * ) character. The additional access and permissions granted through future Actions or DataActions may be unwanted behavior using the wildcard.

Exclude permissions

If your role has a wildcard ( * ) permission and you want to exclude or subtract specific permissions from that wildcard permission, you can exclude them. For example, let's say that you have the following wildcard permission:

If you don't want to allow an export to be deleted, you could exclude the following delete permission:

When you exclude a permission, it is added as a NotActions or NotDataActions . The effective management permissions are computed by adding all of the Actions and then subtracting all of the NotActions . The effective data permissions are computed by adding all of the DataActions and then subtracting all of the NotDataActions .

Excluding a permission is not the same as a deny. Excluding permissions is simply a convenient way to subtract permissions from a wildcard permission.

To exclude or subtract a permission from an allowed wildcard permission, click Exclude permissions to open the Exclude permissions pane.

On this pane, you specify the management or data permissions that are excluded or subtracted.

Once you find one or more permissions that you want to exclude, add a check mark next to the permissions and then click the Add button.

The permission gets added as a NotActions or NotDataActions .

Step 5: Assignable scopes

On the Assignable scopes tab, you specify where your custom role is available for assignment, such as management group, subscriptions, or resource groups. Depending on how you chose to start, this tab might already list the scope where you opened the Access control (IAM) page.

You can define only one management group in assignable scopes. Setting assignable scope to root scope ("/") is not supported.

Click Add assignable scopes to open the Add assignable scopes pane.

Click one or more scopes that you want to use, typically your subscription.

Click the Add button to add your assignable scope.

Step 6: JSON

On the JSON tab, you see your custom role formatted in JSON. If you want, you can directly edit the JSON.

To edit the JSON, click Edit .

Make changes to the JSON.

If the JSON is not formatted correctly, you will see a red jagged line and an indicator in the vertical gutter.

When finished editing, click Save .

Step 7: Review + create

On the Review + create tab, you can review your custom role settings.

Review your custom role settings.

Click Create to create your custom role.

After a few moments, a message box appears indicating your custom role was successfully created.

If any errors are detected, a message will be displayed.

View your new custom role in the Roles list. If you don't see your custom role, click Refresh .

It can take a few minutes for your custom role to appear everywhere.

List custom roles

Follow these steps to view your custom roles.

Open a management group, subscription, or resource group and then open Access control (IAM) .

In the Type list, select CustomRole to just see your custom roles.

If you just created your custom role and you don't see it in the list, click Refresh .

Update a custom role

As described earlier in this article, open your list of custom roles.

Click the ellipsis ( ... ) for the custom role you want to update and then click Edit . Note that you can't update built-in roles.

The custom role is opened in the editor.

Use the different tabs to update the custom role.

Once you are finished with your changes, click the Review + create tab to review your changes.

Click the Update button to update your custom role.

Delete a custom role

Remove any role assignments that use the custom role. For more information, see Find role assignments to delete a custom role .

Click the ellipsis ( ... ) for the custom role you want to delete and then click Delete .

It can take a few minutes for your custom role to be completely deleted.

• Tutorial: Create an Azure custom role using Azure PowerShell
• Azure custom roles
• Azure resource provider operations

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