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import os
from enum import Enum
from typing import Union
from redis.auth.idp import IdentityProviderInterface
from redis.auth.token_manager import RetryPolicy, TokenManagerConfig
from redis_entraid.cred_provider import (
DEFAULT_DELAY_IN_MS,
DEFAULT_EXPIRATION_REFRESH_RATIO,
DEFAULT_LOWER_REFRESH_BOUND_MILLIS,
DEFAULT_MAX_ATTEMPTS,
DEFAULT_TOKEN_REQUEST_EXECUTION_TIMEOUT_IN_MS,
EntraIdCredentialsProvider,
)
from redis_entraid.identity_provider import (
ManagedIdentityIdType,
ManagedIdentityProviderConfig,
ManagedIdentityType,
ServicePrincipalIdentityProviderConfig,
_create_provider_from_managed_identity,
_create_provider_from_service_principal,
DefaultAzureCredentialIdentityProviderConfig,
_create_provider_from_default_azure_credential,
)
from tests.conftest import mock_identity_provider
class AuthType(Enum):
MANAGED_IDENTITY = "managed_identity"
SERVICE_PRINCIPAL = "service_principal"
DEFAULT_AZURE_CREDENTIAL = "default_azure_credential"
def identity_provider(request) -> IdentityProviderInterface:
if hasattr(request, "param"):
kwargs = request.param.get("idp_kwargs", {})
else:
kwargs = {}
if request.param.get("mock_idp", None) is not None:
return mock_identity_provider()
auth_type = kwargs.get("auth_type", AuthType.SERVICE_PRINCIPAL)
config = get_identity_provider_config(request=request)
if auth_type == AuthType.MANAGED_IDENTITY:
return _create_provider_from_managed_identity(config)
if auth_type == AuthType.DEFAULT_AZURE_CREDENTIAL:
return _create_provider_from_default_azure_credential(config)
return _create_provider_from_service_principal(config)
def get_identity_provider_config(
request,
) -> Union[
ManagedIdentityProviderConfig,
ServicePrincipalIdentityProviderConfig,
DefaultAzureCredentialIdentityProviderConfig,
]:
if hasattr(request, "param"):
kwargs = request.param.get("idp_kwargs", {})
else:
kwargs = {}
auth_type = kwargs.pop("auth_type", AuthType.SERVICE_PRINCIPAL)
if auth_type == AuthType.MANAGED_IDENTITY:
return _get_managed_identity_provider_config(request)
if auth_type == AuthType.DEFAULT_AZURE_CREDENTIAL:
return _get_default_azure_credential_provider_config(request)
return _get_service_principal_provider_config(request)
def _get_managed_identity_provider_config(request) -> ManagedIdentityProviderConfig:
resource = os.getenv("AZURE_RESOURCE")
id_value = os.getenv("AZURE_USER_ASSIGNED_MANAGED_ID", None)
if hasattr(request, "param"):
kwargs = request.param.get("idp_kwargs", {})
else:
kwargs = {}
identity_type = kwargs.pop("identity_type", ManagedIdentityType.SYSTEM_ASSIGNED)
id_type = kwargs.pop("id_type", ManagedIdentityIdType.OBJECT_ID)
return ManagedIdentityProviderConfig(
identity_type=identity_type,
resource=resource,
id_type=id_type,
id_value=id_value,
kwargs=kwargs,
)
def _get_service_principal_provider_config(
request,
) -> ServicePrincipalIdentityProviderConfig:
client_id = os.getenv("AZURE_CLIENT_ID")
client_credential = os.getenv("AZURE_CLIENT_SECRET")
tenant_id = os.getenv("AZURE_TENANT_ID")
scopes = os.getenv("AZURE_REDIS_SCOPES", None)
if hasattr(request, "param"):
kwargs = request.param.get("idp_kwargs", {})
token_kwargs = request.param.get("token_kwargs", {})
timeout = request.param.get("timeout", None)
else:
kwargs = {}
token_kwargs = {}
timeout = None
if isinstance(scopes, str):
scopes = scopes.split(",")
return ServicePrincipalIdentityProviderConfig(
client_id=client_id,
client_credential=client_credential,
scopes=scopes,
timeout=timeout,
token_kwargs=token_kwargs,
tenant_id=tenant_id,
app_kwargs=kwargs,
)
def _get_default_azure_credential_provider_config(
request,
) -> DefaultAzureCredentialIdentityProviderConfig:
scopes = os.getenv("AZURE_REDIS_SCOPES", ())
if hasattr(request, "param"):
kwargs = request.param.get("idp_kwargs", {})
token_kwargs = request.param.get("token_kwargs", {})
else:
kwargs = {}
token_kwargs = {}
if isinstance(scopes, str):
scopes = scopes.split(",")
return DefaultAzureCredentialIdentityProviderConfig(
scopes=scopes, app_kwargs=kwargs, token_kwargs=token_kwargs
)
def get_entra_id_credentials_provider(request, cred_provider_kwargs):
idp = identity_provider(request)
expiration_refresh_ratio = cred_provider_kwargs.get(
"expiration_refresh_ratio", DEFAULT_EXPIRATION_REFRESH_RATIO
)
lower_refresh_bound_millis = cred_provider_kwargs.get(
"lower_refresh_bound_millis", DEFAULT_LOWER_REFRESH_BOUND_MILLIS
)
max_attempts = cred_provider_kwargs.get("max_attempts", DEFAULT_MAX_ATTEMPTS)
delay_in_ms = cred_provider_kwargs.get("delay_in_ms", DEFAULT_DELAY_IN_MS)
token_mgr_config = TokenManagerConfig(
expiration_refresh_ratio=expiration_refresh_ratio,
lower_refresh_bound_millis=lower_refresh_bound_millis,
token_request_execution_timeout_in_ms=DEFAULT_TOKEN_REQUEST_EXECUTION_TIMEOUT_IN_MS, # noqa
retry_policy=RetryPolicy(
max_attempts=max_attempts,
delay_in_ms=delay_in_ms,
),
)
return EntraIdCredentialsProvider(
identity_provider=idp,
token_manager_config=token_mgr_config,
initial_delay_in_ms=delay_in_ms,
)
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