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title description author ms.author ms.service ms.topic ms.date ms.custom uid
Protect Azure Quantum resources with resource locks
This guide shows you how to set Azure Resource Manager locks on Azure Quantum resources
bradben
brbenefield
azure-quantum
how-to
04/27/2022
lock-how-to
microsoft.quantum.workspaces-locks

Protect Azure Quantum resources with Azure Resource Manager (ARM) locks

Microsoft recommends locking all of your Azure Quantum workspaces and linked storage accounts with an Azure Resource Manager (ARM) resource lock to prevent accidental or malicious deletion. For example, professors may want to restrict students from modifying provider SKUs, but still enable them to use notebooks and submit jobs.

There are two types of ARM resource locks:

  • A CannotDelete lock prevents users from deleting a resource, but permits reading and modifying its configuration.
  • A ReadOnly lock prevents users from modifying a resource's configuration (including deleting it), but permits reading its configuration. For more information about resource locks, see Lock resources to prevent unexpected changes.

Note

If you already use an ARM or Bicep template to manage your Azure Quantum workspaces, you can add the procedures in this article to your existing templates.

Recommended lock configurations

The following table shows the recommended resource lock configurations to deploy for an Azure Quantum workspace.

Resource Lock type Notes
Workspace Delete Prevents the workspace from being deleted.
Workspace Read-only Prevents any modifications to the workspace, including additions or deletions of providers, while still allowing users to create and delete notebooks and submit jobs. To modify providers when this lock is set, you need to remove the resource lock, make your changes, then redeploy the lock.
Storage account Delete Prevents the storage account from being deleted.

The following configurations should be avoided:

Important

Setting the following ARM locks may cause your workspace to function incorrectly.

Resource Lock type Notes
Storage account Read-only Setting a Read-only resource lock on the storage account can cause failures with workspace creation, the Jupyter Notebooks interface, and submitting and fetching jobs.
Parent subscription of the workspace or the parent resource group of the workspace or storage account Read-only When a resource lock is applied to a parent resource, all resources under that parent inherit the same lock, including resources created at a later date. For more granular control, resource locks should be applied directly at the resource level.

Prerequisites

You must be an Owner or User Access Administrator of a resource to apply ARM resource locks. For more information, see Azure built-in roles.

Command-line deployment

You will need either Azure PowerShell or Azure CLI to deploy the lock. If you use Azure CLI, you must have the latest version. For the installation instructions, see:

Important

If you haven't used Azure CLI with Azure Quantum before, follow the steps in the Environment setup section to add the quantum extension and register the Azure Quantum namespace.

Sign in to Azure

After installing either Azure CLI or Azure Powershell, make sure you sign in for the first time. Choose one of the following tabs and run the corresponding command line commands to sign in to Azure:

Azure CLI

az login

If you have multiple Azure subscriptions, select the subscription with the resources that you want to lock. Replace SubscriptionName with your subscription name or subscription ID. For example,

az account set --subscription "Azure subscription 1"

Azure PowerShell

Connect-AzAccount

If you have multiple Azure subscriptions, select the subscription with the resources that you want to lock. Replace SubscriptionName with your subscription name or subscription ID. For example,

Set-AzContext "Azure subscription 1"

Create an ARM resource lock

When you deploy a resource lock, you specify a name for the lock, the type of lock, and additional information about the resource. This information can be copied and pasted from the resource's home page in the Azure Quantum portal.

Azure CLI

az lock create \
    --name <lock> \
    --resource-group <resource-group> \
    --resource <workspace> \
    --lock-type CanNotDelete \
    --resource-type Microsoft.Quantum/workspaces
  • name: A descriptive name for the lock
  • resource-group: The name of the parent resource group.
  • resource: The name of the resource to apply the lock to.
  • lock-type: The type of lock to apply, either CanNotDelete or ReadOnly.
  • resource-type: The type of the target resource.

For example, to create a CanNotDelete lock on a workspace:

az lock create --name ArmLockWkspDelete --resource-group armlocks-resgrp --resource armlocks-wksp --lock-type CanNotDelete --resource-type Microsoft.Quantum/workspaces

If successful, Azure returns the lock configuration in JSON format:

{
  "id": "/subscriptions/<ID>/resourcegroups/armlocks-resgrp/providers/Microsoft.Quantum/workspaces/armlocks-wksp/providers/Microsoft.Authorization/locks/ArmLockWkspDelete",
  "level": "CanNotDelete",
  "name": "ArmLockWkspDelete",
  "notes": null,
  "owners": null,
  "resourceGroup": "armlocks-resgrp",
  "type": "Microsoft.Authorization/locks"
}

To create a ReadOnly lock on a workspace:

az lock create --name ArmLockWkspRead --resource-group armlocks-resgrp --resource armlocks-wksp --lock-type ReadOnly --resource-type Microsoft.Quantum/workspaces

{
  "id": "/subscriptions/<ID>/resourcegroups/armlocks-resgrp/providers/Microsoft.Quantum/workspaces/armlocks-wksp/providers/Microsoft.Authorization/locks/ArmLockWkspRead",
  "level": "ReadOnly",
  "name": "ArmLockWkspRead",
  "notes": null,
  "owners": null,
  "resourceGroup": "armlocks-resgrp",
  "type": "Microsoft.Authorization/locks"
}

To create a CanNotDelete lock on a storage account:

az lock create --name ArmLockStoreDelete --resource-group armlocks-resgrp --resource armlocksstorage --lock-type CanNotDelete --resource-type Microsoft.Storage/storageAccounts

{
  "id": "/subscriptions/<ID>/resourcegroups/armlocks-resgrp/providers/Microsoft.Storage/storageAccounts/armlocksstorage/providers/Microsoft.Authorization/locks/ArmLockStoreDelete",
  "level": "CanNotDelete",
  "name": "ArmLockStoreDelete",
  "notes": null,
  "owners": null,
  "resourceGroup": "armlocks-resgrp",
  "type": "Microsoft.Authorization/locks"
}

PowerShell

New-AzResourceLock -LockLevel CanNotDelete `
    -LockName <lock> `
    -ResourceName <workspace> `
    -ResourceType Microsoft.Quantum/workspaces `
    -ResourceGroupName <resource-group>
  • LockLevel: The type of lock to apply, either CanNotDelete or ReadOnly.
  • LockName: A descriptive name for the lock
  • ResourceName: The name of the resource to apply the lock to.
  • ResourceType: The type of the target resource.
  • ResourceGroupName: The name of the parent resource group.

For example, to create a CanNotDelete lock on a workspace:

New-AzResourceLock -LockLevel CanNotDelete -LockName ArmLockWkspDelete -ResourceName armlocks-wksp -ResourceType Microsoft.Quantum/workspaces -ResourceGroupName armlocks-resgrp

If successful, Azure returns the lock configuration properties

Name                  : ArmLockWkspDelete
ResourceId            : /<ID>/resourceGroups/armlocks-resgrp/providers/Mi
                        crosoft.Quantum/workspaces/armlocks-wksp/providers/Microsoft.Authorization/locks/ArmLockWkspDel
                        ete
ResourceName          : armlocks-wksp
ResourceType          : Microsoft.Quantum/workspaces
ExtensionResourceName : ArmLockWkspDelete
ExtensionResourceType : Microsoft.Authorization/locks
ResourceGroupName     : armlocks-resgrp
SubscriptionId        : <ID>
Properties            : @{level=CanNotDelete}
LockId                : /subscriptions/<ID>/resourceGroups/armlocks-resgrp/providers/Mi
                        crosoft.Quantum/workspaces/armlocks-wksp/providers/Microsoft.Authorization/locks/ArmLockWkspDel
                        ete

To create a ReadOnly lock on a workspace:

New-AzResourceLock -LockLevel ReadOnly -LockName ArmLockWkspRead -ResourceName armlocks-wksp -ResourceType Microsoft.Quantum/workspaces -ResourceGroupName armlocks-resgrp

Name                  : ArmLockWkspRead
ResourceId            : /subscriptions/<ID>/resourceGroups/armlocks-resgrp/providers/Mi
                        crosoft.Quantum/workspaces/armlocks-wksp/providers/Microsoft.Authorization/locks/ArmLockWkspRea
                        d
ResourceName          : armlocks-wksp
ResourceType          : Microsoft.Quantum/workspaces
ExtensionResourceName : ArmLockWkspRead
ExtensionResourceType : Microsoft.Authorization/locks
ResourceGroupName     : armlocks-resgrp
SubscriptionId        : <ID>
Properties            : @{level=ReadOnly}
LockId                : /subscriptions/<ID>/resourceGroups/armlocks-resgrp/providers/Mi
                        crosoft.Quantum/workspaces/armlocks-wksp/providers/Microsoft.Authorization/locks/ArmLockWkspRea
                        d

To create a CanNotDelete lock on a storage account:

New-AzResourceLock -LockLevel CanNotDelete -LockName ArmLockStoreDelete -ResourceName armlocksstorage -ResourceType Microsoft.Storage/storageAccounts -ResourceGroupName armlocks-resgrp 

Name                  : ArmLockStoreDelete
ResourceId            : /subscriptions/<ID>/resourceGroups/armlocks-resgrp/providers/Mi
                        crosoft.Storage/storageAccounts/armlocksstorage/providers/Microsoft.Authorization/locks/ArmLock
                        StoreDelete
ResourceName          : armlocksstorage
ResourceType          : Microsoft.Storage/storageAccounts
ExtensionResourceName : ArmLockStoreDelete
ExtensionResourceType : Microsoft.Authorization/locks
ResourceGroupName     : armlocks-resgrp
SubscriptionId        : <ID>
Properties            : @{level=CanNotDelete}
LockId                : /subscriptions/<ID>/resourceGroups/armlocks-resgrp/providers/Mi
                        crosoft.Storage/storageAccounts/armlocksstorage/providers/Microsoft.Authorization/locks/ArmLock
                        StoreDelete

Viewing and deleting locks

To view or delete locks:

Azure CLI

For more information, see the az lock reference.

View all locks in a subscription

az lock list

View all locks in a workspace

az lock list --resource-group armlocks-resgrp --resource-name armlocks-wksp  --resource-type Microsoft.Quantum/workspaces

View all locks for all resources in a resource group

az lock list --resource-group armlocks-resgrp

View the properties of a single lock

az lock show --name ArmLockStoreDelete --resource-group armlocks-resgrp --resource-name armlocksstorage --resource-type  Microsoft.Storage/storageAccounts

Delete a lock

az lock delete --name ArmLockStoreDelete --resource-group armlocks-resgrp --resource armlocksstorage --resource-type  Microsoft.Storage/storageAccounts

If the deletion is successful, Azure does not return a message. To verify the deletion, you can run az lock list.

PowerShell

For more information, see the Get-AzResourceLock reference.

View all locks in a subscription

Get-AzResourceLock

View all locks in a workspace

Get-AzResourceLock -ResourceName armlocks-wksp -ResourceType Microsoft.Quantum/workspaces -ResourceGroupName armlocks-resgrp

View all locks for all resources in a resource group

Get-AzResourceLock -ResourceGroupName armlocks-resgrp

View the properties of a single lock

Get-AzResourceLock -ResourceName armlocksstorage -ResourceGroupName armlocks-resgrp -ResourceType Microsoft.Storage/storageAccounts -LockName ArmLockStoreDelete

Delete a lock

To delete a lock, use the Remove-AzResourceLock command. For more information, see the Remove-AzResourceLock reference.

Remove-AzResourceLock -LockName ArmLockStoreDelete -ResourceGroupName armlocks-resgrp -ResourceName armlocksstorage -ResourceType Microsoft.Storage/storageAccounts

If the deletion is successful, Powershell displays True. To verify the deletion, you can run Get-AzResourceLock.

Next steps

  • Manage quantum workspaces with the Azure CLI
  • Manage quantum workspaces with the Azure Resource Manager