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Showing content from https://learn.microsoft.com/en-us/python/api/overview/azure/keyvault-administration-readme below:

Azure Key Vault Administration client library for Python

Note: The Administration library only works with Managed HSM – functions targeting a Key Vault will fail.

Azure Key Vault helps solve the following problems:

• Vault administration (this library) - role-based access control (RBAC), and vault-level backup and restore options
• Cryptographic key management (azure-keyvault-keys) - create, store, and control access to the keys used to encrypt your data
• Secrets management (azure-keyvault-secrets) - securely store and control access to tokens, passwords, certificates, API keys, and other secrets
• Certificate management (azure-keyvault-certificates) - create, manage, and deploy public and private SSL/TLS certificates

Source code | Package (PyPI) | Package (Conda) | API reference documentation | Product documentation | Samples

Azure SDK Python packages support for Python 2.7 has ended 01 January 2022. For more information and questions, please refer to https://github.com/Azure/azure-sdk-for-python/issues/20691. Python 3.9 or later is required to use this package. For more details, please refer to Azure SDK for Python version support policy.

Install azure-keyvault-administration and azure-identity with pip:

pip install azure-keyvault-administration azure-identity

azure-identity is used for Azure Active Directory authentication as demonstrated below.

• An Azure subscription
• Python 3.9 or later
• An existing Key Vault Managed HSM. If you need to create one, you can do so using the Azure CLI by following the steps in this document.

In order to interact with the Azure Key Vault service, you will need an instance of either a KeyVaultAccessControlClient or KeyVaultBackupClient, as well as a vault url (which you may see as "DNS Name" in the Azure Portal) and a credential object. This document demonstrates using a DefaultAzureCredential, which is appropriate for most scenarios, including local development and production environments. We recommend using a managed identity for authentication in production environments.

See azure-identity documentation for more information about other methods of authentication and their corresponding credential types.

After configuring your environment for the DefaultAzureCredential to use a suitable method of authentication, you can do the following to create an access control client (replacing the value of vault_url with your Managed HSM's URL):

from azure.identity import DefaultAzureCredential
from azure.keyvault.administration import KeyVaultAccessControlClient

MANAGED_HSM_URL = os.environ["MANAGED_HSM_URL"]
credential = DefaultAzureCredential()
client = KeyVaultAccessControlClient(vault_url=MANAGED_HSM_URL, credential=credential)

NOTE: For an asynchronous client, import azure.keyvault.administration.aio's KeyVaultAccessControlClient instead.

After creating a user-assigned managed identity and granting it access to your Managed HSM, you can do the following to create a backup client (setting the value of CLIENT_ID to your managed identity's client ID):

from azure.identity import ManagedIdentityCredential
from azure.keyvault.administration import KeyVaultBackupClient

MANAGED_HSM_URL = os.environ["MANAGED_HSM_URL"]
MANAGED_IDENTITY_CLIENT_ID = os.environ["CLIENT_ID"]
credential = ManagedIdentityCredential(client_id=MANAGED_IDENTITY_CLIENT_ID)
client = KeyVaultBackupClient(vault_url=MANAGED_HSM_URL, credential=credential)

Using the ManagedIdentityCredential is preferred in order to enable authenticating backup and restore operations with Managed Identity. Any other azure-identity credential could be provided instead if SAS tokens are used in these operations.

See azure-identity documentation for more information on Managed Identity authentication.

NOTE: For an asynchronous client, import azure.keyvault.administration.aio's KeyVaultBackupClient instead.

After configuring your environment for the DefaultAzureCredential to use a suitable method of authentication, you can do the following to create a settings client (replacing the value of vault_url with your Managed HSM's URL):

from azure.identity import DefaultAzureCredential
from azure.keyvault.administration import KeyVaultSettingsClient

MANAGED_HSM_URL = os.environ["MANAGED_HSM_URL"]
credential = DefaultAzureCredential()
client = KeyVaultSettingsClient(vault_url=MANAGED_HSM_URL, credential=credential)

NOTE: For an asynchronous client, import azure.keyvault.administration.aio's KeyVaultSettingsClient instead.

A role definition defines the operations that can be performed, such as read, write, and delete. It can also define the operations that are excluded from allowed operations.

A role definition is specified as part of a role assignment.

A role assignment is the association of a role definition to a service principal. They can be created, listed, fetched individually, and deleted.

A KeyVaultAccessControlClient manages role definitions and role assignments.

A KeyVaultBackupClient performs full key backups, full key restores, and selective key restores.

A pre-backup operation represents a long-running operation that checks if it is possible to perform a full key backup.

A backup operation represents a long-running operation for a full key backup.

A pre-restore operation represents a long-running operation that checks if it is possible to perform a full key restore from a backup.

A restore operation represents a long-running operation for both a full key and selective key restore.

A KeyVaultSettingsClient manages Managed HSM account settings.

This section contains code snippets covering common tasks:

• Access control
  • List all role definitions
  • Set, get, and delete a role definition
  • List all role assignments
  • Create, get, and delete a role assignment
• Backup and restore
  • Run a pre-backup check
  • Perform a full key backup
  • Run a pre-restore check
  • Perform a full key restore
  • Perform a selective key restore

list_role_definitions can be used by a KeyVaultAccessControlClient to list the role definitions available for assignment.

from azure.keyvault.administration import KeyVaultRoleScope

role_definitions = client.list_role_definitions(scope=KeyVaultRoleScope.GLOBAL)
for definition in role_definitions:
    print(f"Role name: {definition.role_name}; Role definition name: {definition.name}")

set_role_definition can be used by a KeyVaultAccessControlClient to either create a custom role definition or update an existing definition with the specified unique name (a UUID).

from azure.keyvault.administration import KeyVaultDataAction, KeyVaultPermission, KeyVaultRoleScope

role_name = "customRole"
scope = KeyVaultRoleScope.GLOBAL
permissions = [KeyVaultPermission(data_actions=[KeyVaultDataAction.CREATE_HSM_KEY])]
role_definition = client.set_role_definition(scope=scope, role_name=role_name, permissions=permissions)

new_permissions = [
    KeyVaultPermission(
        data_actions=[KeyVaultDataAction.READ_HSM_KEY],
        not_data_actions=[KeyVaultDataAction.CREATE_HSM_KEY]
    )
]
unique_definition_name = role_definition.name
updated_definition = client.set_role_definition(
    scope=scope, name=unique_definition_name, role_name=role_name, permissions=new_permissions
)

get_role_definition can be used by a KeyVaultAccessControlClient to fetch a role definition with the specified scope and unique name.

fetched_definition = client.get_role_definition(scope=scope, name=unique_definition_name)

delete_role_definition can be used by a KeyVaultAccessControlClient to delete a role definition with the specified scope and unique name.

client.delete_role_definition(scope=scope, name=unique_definition_name)

list_role_assignments can be used by a KeyVaultAccessControlClient to list all of the current role assignments.

from azure.keyvault.administration import KeyVaultRoleScope

role_assignments = client.list_role_assignments(KeyVaultRoleScope.GLOBAL)
for assignment in role_assignments:
    assert assignment.properties
    print(f"Role assignment name: {assignment.name}")
    print(f"Principal ID associated with this assignment: {assignment.properties.principal_id}")

Role assignments assign a role to a service principal. This will require a role definition ID and service principal object ID. You can use an ID from the retrieved list of role definitions for the former, and an assignment's principal_id from the list retrieved in the above snippet for the latter. Provide these values, and a scope, to a KeyVaultAccessControlClient's create_role_assignment method.

from azure.keyvault.administration import KeyVaultRoleScope

scope = KeyVaultRoleScope.GLOBAL
role_assignment = client.create_role_assignment(scope=scope, definition_id=definition_id, principal_id=principal_id)
print(f"Role assignment {role_assignment.name} created successfully.")

get_role_assignment can be used by a KeyVaultAccessControlClient to fetch an existing role assignment with the specified scope and unique name.

fetched_assignment = client.get_role_assignment(scope=scope, name=role_assignment.name)
assert fetched_assignment.properties
print(f"Role assignment for principal {fetched_assignment.properties.principal_id} fetched successfully.")

delete_role_assignment can be used by a KeyVaultAccessControlClient to delete a role assignment with the specified scope and unique name.

client.delete_role_assignment(scope=scope, name=role_assignment.name)

The KeyVaultBackupClient can be used to back up your entire collection of keys. The backing store for full key backups is a blob storage container using either Managed Identity (which is preferred) or Shared Access Signature (SAS) authentication.

If using Managed Identity, first make sure your user-assigned managed identity has the correct access to your Storage account and Managed HSM per the service's guidance.

You can first check if an entire collection of keys can be backed up by using KeyVaultBackupClient.begin_pre_backup.

For more details on creating a SAS token using a BlobServiceClient from azure-storage-blob, refer to the library's credential documentation. Alternatively, it is possible to generate a SAS token in Storage Explorer.

CONTAINER_URL = os.environ["CONTAINER_URL"]

try:
    client.begin_pre_backup(CONTAINER_URL, use_managed_identity=True).wait()
except HttpResponseError as e:
    print(f"A backup cannot be performed: {str(e)}")

print("A full key backup can be successfully performed.")

Note that the begin_pre_backup method returns a poller. Calling wait() on this poller waits for the check to complete. An error will raise if the check failed; otherwise the check will have succeeded.

To actually perform the key backup, you can use KeyVaultBackupClient.begin_backup.

CONTAINER_URL = os.environ["CONTAINER_URL"]

backup_result: KeyVaultBackupResult = client.begin_backup(CONTAINER_URL, use_managed_identity=True).result()
print(f"Azure Storage Blob URL of the backup: {backup_result.folder_url}")

Note that the begin_backup method returns a poller. Calling result() on this poller returns a KeyVaultBackupResult containing information about the backup. Calling wait() on the poller will instead block until the operation is complete without returning an object.

The KeyVaultBackupClient can be used to restore your entire collection of keys from a backup. The data source for a full key restore is a storage blob accessed using either Managed Identity (which is preferred) or Shared Access Signature (SAS) authentication. You will also need the URL of the backup (KeyVaultBackupResult.folder_url) from the above snippet.

If using Managed Identity, first make sure your user-assigned managed identity has the correct access to your Storage account and Managed HSM per the service's guidance.

You can first check if an entire collection of keys can be restored from a backup by using KeyVaultBackupClient.begin_pre_restore.

For more details on creating a SAS token using a BlobServiceClient from azure-storage-blob, refer to the library's credential documentation. Alternatively, it is possible to generate a SAS token in Storage Explorer.

try:
    client.begin_pre_restore(backup_result.folder_url, use_managed_identity=True).wait()
except HttpResponseError as e:
    print(f"A full restore cannot be performed: {str(e)}")

print("A full key restore can be successfully performed.")

Note that the begin_pre_restore method returns a poller. Calling wait() on this poller waits for the check to complete. An error will raise if the check failed; otherwise the check will have succeeded.

To actually restore your entire collection of keys, you can use KeyVaultBackupClient.begin_restore.

# `backup_result` is the KeyVaultBackupResult returned by `begin_backup`
client.begin_restore(backup_result.folder_url, use_managed_identity=True).wait()
print("Vault restored successfully.")

Note that the begin_restore method returns a poller. Unlike the poller returned by begin_backup, this poller's result method returns None; therefore, calling wait() is functionally the same.

To restore a single key from a backed up vault instead of all keys, provide the key name as a key_name argument to the begin_restore method shown above.

See the azure-keyvault-administration troubleshooting guide for details on how to diagnose various failure scenarios.

Key Vault clients raise exceptions defined in azure-core. For example, if you try to get a role assignment that doesn't exist, KeyVaultAccessControlClient raises ResourceNotFoundError:

from azure.identity import DefaultAzureCredential
from azure.keyvault.administration import KeyVaultAccessControlClient
from azure.core.exceptions import ResourceNotFoundError

credential = DefaultAzureCredential()
client = KeyVaultAccessControlClient(vault_url="https://my-managed-hsm-name.managedhsm.azure.net/", credential=credential)

try:
    client.get_role_assignment("/", "which-does-not-exist")
except ResourceNotFoundError as e:
    print(e.message)

Clients from the Administration library can only be used to perform operations on a managed HSM, so attempting to do so on a Key Vault will raise an error.

Several samples are available in the Azure SDK for Python GitHub repository. These samples provide example code for additional Key Vault scenarios:

• Create/update/delete role definitions and role assignments (async version)
• Full backup and restore (async version)
• List and update Key Vault settings (async version)

For more extensive documentation on Azure Key Vault, see the API reference documentation.

For more extensive documentation on Managed HSM, see the service documentation.

This project welcomes contributions and suggestions. Most contributions require you to agree to a Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us the rights to use your contribution. For details, visit https://cla.microsoft.com.

When you submit a pull request, a CLA-bot will automatically determine whether you need to provide a CLA and decorate the PR appropriately (e.g., label, comment). Simply follow the instructions provided by the bot. You will only need to do this once across all repos using our CLA.

This project has adopted the Microsoft Open Source Code of Conduct. For more information, see the Code of Conduct FAQ or contact opencode@microsoft.com with any additional questions or comments.

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