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async_client.py
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async_client.py
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# -*- coding: utf-8 -*-
# Copyright 2020 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
from collections import OrderedDict
import functools
import re
from typing import Dict, Optional, Sequence, Tuple, Type, Union
import pkg_resources
from google.api_core.client_options import ClientOptions
from google.api_core import exceptions as core_exceptions
from google.api_core import gapic_v1
from google.api_core import retry as retries
from google.auth import credentials as ga_credentials # type: ignore
from google.oauth2 import service_account # type: ignore
try:
OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault]
except AttributeError: # pragma: NO COVER
OptionalRetry = Union[retries.Retry, object] # type: ignore
from google.cloud.apigeeconnect_v1.services.connection_service import pagers
from google.cloud.apigeeconnect_v1.types import connection
from .transports.base import ConnectionServiceTransport, DEFAULT_CLIENT_INFO
from .transports.grpc_asyncio import ConnectionServiceGrpcAsyncIOTransport
from .client import ConnectionServiceClient
class ConnectionServiceAsyncClient:
"""Service Interface for the Apigee Connect connection
management APIs.
"""
_client: ConnectionServiceClient
DEFAULT_ENDPOINT = ConnectionServiceClient.DEFAULT_ENDPOINT
DEFAULT_MTLS_ENDPOINT = ConnectionServiceClient.DEFAULT_MTLS_ENDPOINT
endpoint_path = staticmethod(ConnectionServiceClient.endpoint_path)
parse_endpoint_path = staticmethod(ConnectionServiceClient.parse_endpoint_path)
common_billing_account_path = staticmethod(
ConnectionServiceClient.common_billing_account_path
)
parse_common_billing_account_path = staticmethod(
ConnectionServiceClient.parse_common_billing_account_path
)
common_folder_path = staticmethod(ConnectionServiceClient.common_folder_path)
parse_common_folder_path = staticmethod(
ConnectionServiceClient.parse_common_folder_path
)
common_organization_path = staticmethod(
ConnectionServiceClient.common_organization_path
)
parse_common_organization_path = staticmethod(
ConnectionServiceClient.parse_common_organization_path
)
common_project_path = staticmethod(ConnectionServiceClient.common_project_path)
parse_common_project_path = staticmethod(
ConnectionServiceClient.parse_common_project_path
)
common_location_path = staticmethod(ConnectionServiceClient.common_location_path)
parse_common_location_path = staticmethod(
ConnectionServiceClient.parse_common_location_path
)
@classmethod
def from_service_account_info(cls, info: dict, *args, **kwargs):
"""Creates an instance of this client using the provided credentials
info.
Args:
info (dict): The service account private key info.
args: Additional arguments to pass to the constructor.
kwargs: Additional arguments to pass to the constructor.
Returns:
ConnectionServiceAsyncClient: The constructed client.
"""
return ConnectionServiceClient.from_service_account_info.__func__(ConnectionServiceAsyncClient, info, *args, **kwargs) # type: ignore
@classmethod
def from_service_account_file(cls, filename: str, *args, **kwargs):
"""Creates an instance of this client using the provided credentials
file.
Args:
filename (str): The path to the service account private key json
file.
args: Additional arguments to pass to the constructor.
kwargs: Additional arguments to pass to the constructor.
Returns:
ConnectionServiceAsyncClient: The constructed client.
"""
return ConnectionServiceClient.from_service_account_file.__func__(ConnectionServiceAsyncClient, filename, *args, **kwargs) # type: ignore
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 ConnectionServiceClient.get_mtls_endpoint_and_cert_source(client_options) # type: ignore
@property
def transport(self) -> ConnectionServiceTransport:
"""Returns the transport used by the client instance.
Returns:
ConnectionServiceTransport: The transport used by the client instance.
"""
return self._client.transport
get_transport_class = functools.partial(
type(ConnectionServiceClient).get_transport_class, type(ConnectionServiceClient)
)
def __init__(
self,
*,
credentials: ga_credentials.Credentials = None,
transport: Union[str, ConnectionServiceTransport] = "grpc_asyncio",
client_options: ClientOptions = None,
client_info: gapic_v1.client_info.ClientInfo = DEFAULT_CLIENT_INFO,
) -> None:
"""Instantiates the connection service client.
Args:
credentials (Optional[google.auth.credentials.Credentials]): The
authorization credentials to attach to requests. These
credentials identify the application to the service; if none
are specified, the client will attempt to ascertain the
credentials from the environment.
transport (Union[str, ~.ConnectionServiceTransport]): The
transport to use. If set to None, a transport is chosen
automatically.
client_options (ClientOptions): Custom options for the client. It
won't take effect if a ``transport`` instance is provided.
(1) The ``api_endpoint`` property can be used to override the
default endpoint provided by the client. GOOGLE_API_USE_MTLS_ENDPOINT
environment variable can also be used to override the endpoint:
"always" (always use the default mTLS endpoint), "never" (always
use the default regular endpoint) and "auto" (auto switch to the
default mTLS endpoint if client certificate is present, this is
the default value). However, the ``api_endpoint`` property takes
precedence if provided.
(2) If GOOGLE_API_USE_CLIENT_CERTIFICATE environment variable
is "true", then the ``client_cert_source`` property can be used
to provide client certificate for mutual TLS transport. If
not provided, the default SSL client certificate will be used if
present. If GOOGLE_API_USE_CLIENT_CERTIFICATE is "false" or not
set, no client certificate will be used.
Raises:
google.auth.exceptions.MutualTlsChannelError: If mutual TLS transport
creation failed for any reason.
"""
self._client = ConnectionServiceClient(
credentials=credentials,
transport=transport,
client_options=client_options,
client_info=client_info,
)
async def list_connections(
self,
request: Union[connection.ListConnectionsRequest, dict] = None,
*,
parent: str = None,
retry: OptionalRetry = gapic_v1.method.DEFAULT,
timeout: float = None,
metadata: Sequence[Tuple[str, str]] = (),
) -> pagers.ListConnectionsAsyncPager:
r"""Lists connections that are currently active for the
given Apigee Connect endpoint.
Args:
request (Union[google.cloud.apigeeconnect_v1.types.ListConnectionsRequest, dict]):
The request object. The request for
[ListConnections][Management.ListConnections].
parent (:class:`str`):
Required. Parent name of the form:
``projects/{project_number or project_id}/endpoints/{endpoint}``.
This corresponds to the ``parent`` field
on the ``request`` instance; if ``request`` is provided, this
should not be set.
retry (google.api_core.retry.Retry): Designation of what errors, if any,
should be retried.
timeout (float): The timeout for this request.
metadata (Sequence[Tuple[str, str]]): Strings which should be
sent along with the request as metadata.
Returns:
google.cloud.apigeeconnect_v1.services.connection_service.pagers.ListConnectionsAsyncPager:
The response for
[ListConnections][Management.ListConnections].
Iterating over this object will yield results and
resolve additional pages automatically.
"""
# Create or coerce a protobuf request object.
# Quick check: If we got a request object, we should *not* have
# gotten any keyword arguments that map to the request.
has_flattened_params = any([parent])
if request is not None and has_flattened_params:
raise ValueError(
"If the `request` argument is set, then none of "
"the individual field arguments should be set."
)
request = connection.ListConnectionsRequest(request)
# If we have keyword arguments corresponding to fields on the
# request, apply these.
if parent is not None:
request.parent = parent
# Wrap the RPC method; this adds retry and timeout information,
# and friendly error handling.
rpc = gapic_v1.method_async.wrap_method(
self._client._transport.list_connections,
default_retry=retries.Retry(
initial=1.0,
maximum=60.0,
multiplier=1.3,
predicate=retries.if_exception_type(
core_exceptions.ServiceUnavailable, core_exceptions.Unknown,
),
deadline=60.0,
),
default_timeout=60.0,
client_info=DEFAULT_CLIENT_INFO,
)
# Certain fields should be provided within the metadata header;
# add these here.
metadata = tuple(metadata) + (
gapic_v1.routing_header.to_grpc_metadata((("parent", request.parent),)),
)
# Send the request.
response = await rpc(request, retry=retry, timeout=timeout, metadata=metadata,)
# This method is paged; wrap the response in a pager, which provides
# an `__aiter__` convenience method.
response = pagers.ListConnectionsAsyncPager(
method=rpc, request=request, response=response, metadata=metadata,
)
# Done; return the response.
return response
async def __aenter__(self):
return self
async def __aexit__(self, exc_type, exc, tb):
await self.transport.close()
try:
DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
gapic_version=pkg_resources.get_distribution(
"google-cloud-apigee-connect",
).version,
)
except pkg_resources.DistributionNotFound:
DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo()
__all__ = ("ConnectionServiceAsyncClient",)