diff --git a/google/cloud/data_fusion_v1/services/data_fusion/async_client.py b/google/cloud/data_fusion_v1/services/data_fusion/async_client.py index 10fc16a..fba0d7c 100644 --- a/google/cloud/data_fusion_v1/services/data_fusion/async_client.py +++ b/google/cloud/data_fusion_v1/services/data_fusion/async_client.py @@ -16,7 +16,7 @@ from collections import OrderedDict import functools import re -from typing import Dict, Sequence, Tuple, Type, Union +from typing import Dict, Optional, Sequence, Tuple, Type, Union import pkg_resources from google.api_core.client_options import ClientOptions @@ -110,6 +110,42 @@ def from_service_account_file(cls, filename: str, *args, **kwargs): from_service_account_json = from_service_account_file + @classmethod + def get_mtls_endpoint_and_cert_source( + cls, client_options: Optional[ClientOptions] = None + ): + """Return the API endpoint and client cert source for mutual TLS. + + The client cert source is determined in the following order: + (1) if `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is not "true", the + client cert source is None. + (2) if `client_options.client_cert_source` is provided, use the provided one; if the + default client cert source exists, use the default one; otherwise the client cert + source is None. + + The API endpoint is determined in the following order: + (1) if `client_options.api_endpoint` if provided, use the provided one. + (2) if `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is "always", use the + default mTLS endpoint; if the environment variabel is "never", use the default API + endpoint; otherwise if client cert source exists, use the default mTLS endpoint, otherwise + use the default API endpoint. + + More details can be found at https://google.aip.dev/auth/4114. + + Args: + client_options (google.api_core.client_options.ClientOptions): Custom options for the + client. Only the `api_endpoint` and `client_cert_source` properties may be used + in this method. + + Returns: + Tuple[str, Callable[[], Tuple[bytes, bytes]]]: returns the API endpoint and the + client cert source to use. + + Raises: + google.auth.exceptions.MutualTLSChannelError: If any errors happen. + """ + return DataFusionClient.get_mtls_endpoint_and_cert_source(client_options) # type: ignore + @property def transport(self) -> DataFusionTransport: """Returns the transport used by the client instance. diff --git a/google/cloud/data_fusion_v1/services/data_fusion/client.py b/google/cloud/data_fusion_v1/services/data_fusion/client.py index 1a1d81d..810a9ac 100644 --- a/google/cloud/data_fusion_v1/services/data_fusion/client.py +++ b/google/cloud/data_fusion_v1/services/data_fusion/client.py @@ -261,6 +261,73 @@ def parse_common_location_path(path: str) -> Dict[str, str]: m = re.match(r"^projects/(?P.+?)/locations/(?P.+?)$", path) return m.groupdict() if m else {} + @classmethod + def get_mtls_endpoint_and_cert_source( + cls, client_options: Optional[client_options_lib.ClientOptions] = None + ): + """Return the API endpoint and client cert source for mutual TLS. + + The client cert source is determined in the following order: + (1) if `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is not "true", the + client cert source is None. + (2) if `client_options.client_cert_source` is provided, use the provided one; if the + default client cert source exists, use the default one; otherwise the client cert + source is None. + + The API endpoint is determined in the following order: + (1) if `client_options.api_endpoint` if provided, use the provided one. + (2) if `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is "always", use the + default mTLS endpoint; if the environment variabel is "never", use the default API + endpoint; otherwise if client cert source exists, use the default mTLS endpoint, otherwise + use the default API endpoint. + + More details can be found at https://google.aip.dev/auth/4114. + + Args: + client_options (google.api_core.client_options.ClientOptions): Custom options for the + client. Only the `api_endpoint` and `client_cert_source` properties may be used + in this method. + + Returns: + Tuple[str, Callable[[], Tuple[bytes, bytes]]]: returns the API endpoint and the + client cert source to use. + + Raises: + google.auth.exceptions.MutualTLSChannelError: If any errors happen. + """ + if client_options is None: + client_options = client_options_lib.ClientOptions() + use_client_cert = os.getenv("GOOGLE_API_USE_CLIENT_CERTIFICATE", "false") + use_mtls_endpoint = os.getenv("GOOGLE_API_USE_MTLS_ENDPOINT", "auto") + if use_client_cert not in ("true", "false"): + raise ValueError( + "Environment variable `GOOGLE_API_USE_CLIENT_CERTIFICATE` must be either `true` or `false`" + ) + if use_mtls_endpoint not in ("auto", "never", "always"): + raise MutualTLSChannelError( + "Environment variable `GOOGLE_API_USE_MTLS_ENDPOINT` must be `never`, `auto` or `always`" + ) + + # Figure out the client cert source to use. + client_cert_source = None + if use_client_cert == "true": + if client_options.client_cert_source: + client_cert_source = client_options.client_cert_source + elif mtls.has_default_client_cert_source(): + client_cert_source = mtls.default_client_cert_source() + + # Figure out which api endpoint to use. + if client_options.api_endpoint is not None: + api_endpoint = client_options.api_endpoint + elif use_mtls_endpoint == "always" or ( + use_mtls_endpoint == "auto" and client_cert_source + ): + api_endpoint = cls.DEFAULT_MTLS_ENDPOINT + else: + api_endpoint = cls.DEFAULT_ENDPOINT + + return api_endpoint, client_cert_source + def __init__( self, *, @@ -311,57 +378,22 @@ def __init__( if client_options is None: client_options = client_options_lib.ClientOptions() - # Create SSL credentials for mutual TLS if needed. - if os.getenv("GOOGLE_API_USE_CLIENT_CERTIFICATE", "false") not in ( - "true", - "false", - ): - raise ValueError( - "Environment variable `GOOGLE_API_USE_CLIENT_CERTIFICATE` must be either `true` or `false`" - ) - use_client_cert = ( - os.getenv("GOOGLE_API_USE_CLIENT_CERTIFICATE", "false") == "true" + api_endpoint, client_cert_source_func = self.get_mtls_endpoint_and_cert_source( + client_options ) - client_cert_source_func = None - is_mtls = False - if use_client_cert: - if client_options.client_cert_source: - is_mtls = True - client_cert_source_func = client_options.client_cert_source - else: - is_mtls = mtls.has_default_client_cert_source() - if is_mtls: - client_cert_source_func = mtls.default_client_cert_source() - else: - client_cert_source_func = None - - # Figure out which api endpoint to use. - if client_options.api_endpoint is not None: - api_endpoint = client_options.api_endpoint - else: - use_mtls_env = os.getenv("GOOGLE_API_USE_MTLS_ENDPOINT", "auto") - if use_mtls_env == "never": - api_endpoint = self.DEFAULT_ENDPOINT - elif use_mtls_env == "always": - api_endpoint = self.DEFAULT_MTLS_ENDPOINT - elif use_mtls_env == "auto": - if is_mtls: - api_endpoint = self.DEFAULT_MTLS_ENDPOINT - else: - api_endpoint = self.DEFAULT_ENDPOINT - else: - raise MutualTLSChannelError( - "Unsupported GOOGLE_API_USE_MTLS_ENDPOINT value. Accepted " - "values: never, auto, always" - ) + api_key_value = getattr(client_options, "api_key", None) + if api_key_value and credentials: + raise ValueError( + "client_options.api_key and credentials are mutually exclusive" + ) # Save or instantiate the transport. # Ordinarily, we provide the transport, but allowing a custom transport # instance provides an extensibility point for unusual situations. if isinstance(transport, DataFusionTransport): # transport is a DataFusionTransport instance. - if credentials or client_options.credentials_file: + if credentials or client_options.credentials_file or api_key_value: raise ValueError( "When providing a transport instance, " "provide its credentials directly." @@ -373,6 +405,15 @@ def __init__( ) self._transport = transport else: + import google.auth._default # type: ignore + + if api_key_value and hasattr( + google.auth._default, "get_api_key_credentials" + ): + credentials = google.auth._default.get_api_key_credentials( + api_key_value + ) + Transport = type(self).get_transport_class(transport) self._transport = Transport( credentials=credentials, diff --git a/tests/unit/gapic/data_fusion_v1/test_data_fusion.py b/tests/unit/gapic/data_fusion_v1/test_data_fusion.py index 14c9051..560141b 100644 --- a/tests/unit/gapic/data_fusion_v1/test_data_fusion.py +++ b/tests/unit/gapic/data_fusion_v1/test_data_fusion.py @@ -390,6 +390,83 @@ def test_data_fusion_client_mtls_env_auto( ) +@pytest.mark.parametrize("client_class", [DataFusionClient, DataFusionAsyncClient]) +@mock.patch.object( + DataFusionClient, "DEFAULT_ENDPOINT", modify_default_endpoint(DataFusionClient) +) +@mock.patch.object( + DataFusionAsyncClient, + "DEFAULT_ENDPOINT", + modify_default_endpoint(DataFusionAsyncClient), +) +def test_data_fusion_client_get_mtls_endpoint_and_cert_source(client_class): + mock_client_cert_source = mock.Mock() + + # Test the case GOOGLE_API_USE_CLIENT_CERTIFICATE is "true". + with mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}): + mock_api_endpoint = "foo" + options = client_options.ClientOptions( + client_cert_source=mock_client_cert_source, api_endpoint=mock_api_endpoint + ) + api_endpoint, cert_source = client_class.get_mtls_endpoint_and_cert_source( + options + ) + assert api_endpoint == mock_api_endpoint + assert cert_source == mock_client_cert_source + + # Test the case GOOGLE_API_USE_CLIENT_CERTIFICATE is "false". + with mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "false"}): + mock_client_cert_source = mock.Mock() + mock_api_endpoint = "foo" + options = client_options.ClientOptions( + client_cert_source=mock_client_cert_source, api_endpoint=mock_api_endpoint + ) + api_endpoint, cert_source = client_class.get_mtls_endpoint_and_cert_source( + options + ) + assert api_endpoint == mock_api_endpoint + assert cert_source is None + + # Test the case GOOGLE_API_USE_MTLS_ENDPOINT is "never". + with mock.patch.dict(os.environ, {"GOOGLE_API_USE_MTLS_ENDPOINT": "never"}): + api_endpoint, cert_source = client_class.get_mtls_endpoint_and_cert_source() + assert api_endpoint == client_class.DEFAULT_ENDPOINT + assert cert_source is None + + # Test the case GOOGLE_API_USE_MTLS_ENDPOINT is "always". + with mock.patch.dict(os.environ, {"GOOGLE_API_USE_MTLS_ENDPOINT": "always"}): + api_endpoint, cert_source = client_class.get_mtls_endpoint_and_cert_source() + assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT + assert cert_source is None + + # Test the case GOOGLE_API_USE_MTLS_ENDPOINT is "auto" and default cert doesn't exist. + with mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}): + with mock.patch( + "google.auth.transport.mtls.has_default_client_cert_source", + return_value=False, + ): + api_endpoint, cert_source = client_class.get_mtls_endpoint_and_cert_source() + assert api_endpoint == client_class.DEFAULT_ENDPOINT + assert cert_source is None + + # Test the case GOOGLE_API_USE_MTLS_ENDPOINT is "auto" and default cert exists. + with mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}): + with mock.patch( + "google.auth.transport.mtls.has_default_client_cert_source", + return_value=True, + ): + with mock.patch( + "google.auth.transport.mtls.default_client_cert_source", + return_value=mock_client_cert_source, + ): + ( + api_endpoint, + cert_source, + ) = client_class.get_mtls_endpoint_and_cert_source() + assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT + assert cert_source == mock_client_cert_source + + @pytest.mark.parametrize( "client_class,transport_class,transport_name", [ @@ -2099,6 +2176,23 @@ def test_credentials_transport_error(): transport=transport, ) + # It is an error to provide an api_key and a transport instance. + transport = transports.DataFusionGrpcTransport( + credentials=ga_credentials.AnonymousCredentials(), + ) + options = client_options.ClientOptions() + options.api_key = "api_key" + with pytest.raises(ValueError): + client = DataFusionClient(client_options=options, transport=transport,) + + # It is an error to provide an api_key and a credential. + options = mock.Mock() + options.api_key = "api_key" + with pytest.raises(ValueError): + client = DataFusionClient( + client_options=options, credentials=ga_credentials.AnonymousCredentials() + ) + # It is an error to provide scopes and a transport instance. transport = transports.DataFusionGrpcTransport( credentials=ga_credentials.AnonymousCredentials(), @@ -2704,3 +2798,33 @@ def test_client_ctx(): with client: pass close.assert_called() + + +@pytest.mark.parametrize( + "client_class,transport_class", + [ + (DataFusionClient, transports.DataFusionGrpcTransport), + (DataFusionAsyncClient, transports.DataFusionGrpcAsyncIOTransport), + ], +) +def test_api_key_credentials(client_class, transport_class): + with mock.patch.object( + google.auth._default, "get_api_key_credentials", create=True + ) as get_api_key_credentials: + mock_cred = mock.Mock() + get_api_key_credentials.return_value = mock_cred + options = client_options.ClientOptions() + options.api_key = "api_key" + with mock.patch.object(transport_class, "__init__") as patched: + patched.return_value = None + client = client_class(client_options=options) + patched.assert_called_once_with( + credentials=mock_cred, + credentials_file=None, + host=client.DEFAULT_ENDPOINT, + scopes=None, + client_cert_source_for_mtls=None, + quota_project_id=None, + client_info=transports.base.DEFAULT_CLIENT_INFO, + always_use_jwt_access=True, + )