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# ------------------------------------
# Copyright (c) Microsoft Corporation.
# Licensed under the MIT License.
# ------------------------------------
import asyncio
import os
from azure.keyvault.secrets.aio import SecretClient
from azure.identity.aio import DefaultAzureCredential
from azure.core.exceptions import HttpResponseError
# ----------------------------------------------------------------------------------------------------------
# Prerequisites:
# 1. An Azure Key Vault (https://docs.microsoft.com/en-us/azure/key-vault/quick-create-cli)
#
# 2. azure-keyvault-secrets and azure-identity libraries (pip install these)
#
# 3. Set Environment variables AZURE_CLIENT_ID, AZURE_TENANT_ID, AZURE_CLIENT_SECRET, VAULT_URL
# (See https://github.com/Azure/azure-sdk-for-python/tree/master/sdk/keyvault/azure-keyvault-keys#authenticate-the-client)
#
# ----------------------------------------------------------------------------------------------------------
# Sample - demonstrates the basic list operations on a vault(secret) resource for Azure Key Vault.
# The vault has to be soft-delete enabled to perform one of the following operations. See
# https://docs.microsoft.com/en-us/azure/key-vault/key-vault-ovw-soft-delete for more information about soft-delete.
#
# 1. Create secret (set_secret)
#
# 2. List secrets from the Key Vault (list_secrets)
#
# 3. List secret versions from the Key Vault (list_properties_of_secret_versions)
#
# 4. List deleted secrets from the Key Vault (list_deleted_secrets). The vault has to be soft-delete enabled to perform
# this operation.
#
# ----------------------------------------------------------------------------------------------------------
async def run_sample():
# Instantiate a secret client that will be used to call the service.
# Notice that the client is using default Azure credentials.
# To make default credentials work, ensure that environment variables 'AZURE_CLIENT_ID',
# 'AZURE_CLIENT_SECRET' and 'AZURE_TENANT_ID' are set with the service principal credentials.
VAULT_URL = os.environ["VAULT_URL"]
credential = DefaultAzureCredential()
client = SecretClient(vault_url=VAULT_URL, credential=credential)
try:
# Let's create secrets holding storage and bank accounts credentials. If the secret
# already exists in the Key Vault, then a new version of the secret is created.
print("\n.. Create Secret")
bank_secret = await client.set_secret("listOpsBankSecretName", "listOpsSecretValue1")
storage_secret = await client.set_secret("listOpsStorageSecretName", "listOpsSecretValue2")
print("Secret with name '{0}' was created.".format(bank_secret.name))
print("Secret with name '{0}' was created.".format(storage_secret.name))
# You need to check if any of the secrets are sharing same values.
# Let's list the secrets and print their values.
# List operations don 't return the secrets with value information.
# So, for each returned secret we call get_secret to get the secret with its value information.
print("\n.. List secrets from the Key Vault")
secrets = client.list_properties_of_secrets()
async for secret in secrets:
retrieved_secret = await client.get_secret(secret.name)
print(
"Secret with name '{0}' with value '{1}' was found.".format(
retrieved_secret.name, retrieved_secret.value
)
)
# The bank account password got updated, so you want to update the secret in Key Vault to ensure it reflects the
# new password. Calling set_secret on an existing secret creates a new version of the secret in the Key Vault
# with the new value.
updated_secret = await client.set_secret(bank_secret.name, "newSecretValue")
print(
"Secret with name '{0}' was updated with new value '{1}'".format(updated_secret.name, updated_secret.value)
)
# You need to check all the different values your bank account password secret had previously. Lets print all
# the versions of this secret.
print("\n.. List versions of the secret using its name")
secret_versions = client.list_properties_of_secret_versions(bank_secret.name)
async for secret in secret_versions:
print("Bank Secret with name '{0}' has version: '{1}'".format(secret.name, secret.version))
# The bank account and storage accounts got closed. Let's delete bank and storage accounts secrets.
print("\n.. Deleting secrets...")
await client.delete_secret(bank_secret.name)
await client.delete_secret(storage_secret.name)
# You can list all the deleted and non-purged secrets, assuming Key Vault is soft-delete enabled.
print("\n.. List deleted secrets from the Key Vault")
deleted_secrets = client.list_deleted_secrets()
async for deleted_secret in deleted_secrets:
print(
"Secret with name '{0}' has recovery id '{1}'".format(deleted_secret.name, deleted_secret.recovery_id)
)
except HttpResponseError as e:
if "(NotSupported)" in e.message:
print("\n{0} Please enable soft-delete on Key Vault to perform this operation.".format(e.message))
else:
print("\nrun_sample has caught an error. {0}".format(e.message))
finally:
print("\nrun_sample done")
await credential.close()
await client.close()
if __name__ == "__main__":
try:
loop = asyncio.get_event_loop()
loop.run_until_complete(run_sample())
loop.close()
except Exception as e:
print("Top level Error: {0}".format(str(e)))
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