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hello_world_async.py
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hello_world_async.py
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# ------------------------------------
# Copyright (c) Microsoft Corporation.
# Licensed under the MIT License.
# ------------------------------------
import asyncio
import os
from azure.identity.aio import DefaultAzureCredential
from azure.keyvault.certificates.aio import CertificateClient
from azure.keyvault.certificates import CertificatePolicy, CertificateContentType, WellKnownIssuerNames
# ----------------------------------------------------------------------------------------------------------
# Prerequisites:
# 1. An Azure Key Vault (https://docs.microsoft.com/azure/key-vault/quick-create-cli)
#
# 2. azure-keyvault-certificates and azure-identity packages (pip install these)
#
# 3. Set up your environment to use azure-identity's DefaultAzureCredential. For more information about how to configure
# the DefaultAzureCredential, refer to https://aka.ms/azsdk/python/identity/docs#azure.identity.DefaultAzureCredential
#
# ----------------------------------------------------------------------------------------------------------
# Sample - demonstrates the basic CRUD operations on a vault(certificate) resource for Azure Key Vault
#
# 1. Create a new certificate (create_certificate)
#
# 2. Get an existing certificate (get_certificate)
#
# 3. Update an existing certificate (update_certificate)
#
# 4. Delete a certificate (delete_certificate)
#
# ----------------------------------------------------------------------------------------------------------
async def run_sample():
# Instantiate a certificate client that will be used to call the service.
# Here we use the DefaultAzureCredential, but any azure-identity credential can be used.
VAULT_URL = os.environ["VAULT_URL"]
credential = DefaultAzureCredential()
client = CertificateClient(vault_url=VAULT_URL, credential=credential)
# Let's create a certificate for holding bank account credentials valid for 1 year.
# if the certificate already exists in the Key Vault, then a new version of the certificate is created.
print("\n.. Create certificate")
# Before creating your certificate, let's create the management policy for your certificate.
# Here you specify the properties of the key, secret, and issuer backing your certificate,
# the X509 component of your certificate, and any lifetime actions you would like to be taken
# on your certificate
# Alternatively, if you would like to use our default policy, use CertificatePolicy.get_default()
cert_policy = CertificatePolicy(
issuer_name=WellKnownIssuerNames.self,
subject="CN=*.microsoft.com",
san_dns_names=["sdk.azure-int.net"],
exportable=True,
key_type="RSA",
key_size=2048,
reuse_key=False,
content_type=CertificateContentType.pkcs12,
validity_in_months=24,
)
cert_name = "HelloWorldCertificateAsync"
# Awaiting create_certificate will return the certificate as a KeyVaultCertificate
# if creation is successful, and the CertificateOperation if not.
certificate = await client.create_certificate(certificate_name=cert_name, policy=cert_policy)
print(f"Certificate with name '{certificate.name}' created")
# Let's get the bank certificate using its name
print("\n.. Get a certificate by name")
bank_certificate = await client.get_certificate(cert_name)
print(f"Certificate with name '{bank_certificate.name}' was found.")
# After one year, the bank account is still active, and we have decided to update the tags.
print("\n.. Update a certificate by name")
tags = {"a": "b"}
updated_certificate = await client.update_certificate_properties(
certificate_name=bank_certificate.name, tags=tags
)
print(
f"Certificate with name '{bank_certificate.name}' was updated on date "
f"'{updated_certificate.properties.updated_on}'"
)
print(
f"Certificate with name '{bank_certificate.name}' was updated with tags '{updated_certificate.properties.tags}'"
)
# The bank account was closed, need to delete its credentials from the Key Vault.
print("\n.. Delete certificate")
deleted_certificate = await client.delete_certificate(bank_certificate.name)
print("Deleting certificate..")
print(f"Certificate with name '{deleted_certificate.name}' was deleted.")
print("\nrun_sample done")
await credential.close()
await client.close()
if __name__ == "__main__":
asyncio.run(run_sample())