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client.py
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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
from distutils import util
import os
import re
from typing import Callable, Dict, Optional, Sequence, Tuple, Type, Union
import pkg_resources
from google.api_core import client_options as client_options_lib # type: ignore
from google.api_core import exceptions as core_exceptions # type: ignore
from google.api_core import gapic_v1 # type: ignore
from google.api_core import retry as retries # type: ignore
from google.auth import credentials as ga_credentials # type: ignore
from google.auth.transport import mtls # type: ignore
from google.auth.transport.grpc import SslCredentials # type: ignore
from google.auth.exceptions import MutualTLSChannelError # type: ignore
from google.oauth2 import service_account # type: ignore
from google.cloud.privatecatalog_v1beta1.services.private_catalog import pagers
from google.cloud.privatecatalog_v1beta1.types import private_catalog
from .transports.base import PrivateCatalogTransport, DEFAULT_CLIENT_INFO
from .transports.grpc import PrivateCatalogGrpcTransport
from .transports.grpc_asyncio import PrivateCatalogGrpcAsyncIOTransport
class PrivateCatalogClientMeta(type):
"""Metaclass for the PrivateCatalog client.
This provides class-level methods for building and retrieving
support objects (e.g. transport) without polluting the client instance
objects.
"""
_transport_registry = (
OrderedDict()
) # type: Dict[str, Type[PrivateCatalogTransport]]
_transport_registry["grpc"] = PrivateCatalogGrpcTransport
_transport_registry["grpc_asyncio"] = PrivateCatalogGrpcAsyncIOTransport
def get_transport_class(cls, label: str = None,) -> Type[PrivateCatalogTransport]:
"""Returns an appropriate transport class.
Args:
label: The name of the desired transport. If none is
provided, then the first transport in the registry is used.
Returns:
The transport class to use.
"""
# If a specific transport is requested, return that one.
if label:
return cls._transport_registry[label]
# No transport is requested; return the default (that is, the first one
# in the dictionary).
return next(iter(cls._transport_registry.values()))
class PrivateCatalogClient(metaclass=PrivateCatalogClientMeta):
"""``PrivateCatalog`` allows catalog consumers to retrieve ``Catalog``,
``Product`` and ``Version`` resources under a target resource
context.
``Catalog`` is computed based on the [Association][]s linked to the
target resource and its ancestors. Each association's
[google.cloud.privatecatalogproducer.v1beta.Catalog][] is
transformed into a ``Catalog``. If multiple associations have the
same parent [google.cloud.privatecatalogproducer.v1beta.Catalog][],
they are de-duplicated into one ``Catalog``. Users must have
``cloudprivatecatalog.catalogTargets.get`` IAM permission on the
resource context in order to access catalogs. ``Catalog`` contains
the resource name and a subset of data of the original
[google.cloud.privatecatalogproducer.v1beta.Catalog][].
``Product`` is child resource of the catalog. A ``Product`` contains
the resource name and a subset of the data of the original
[google.cloud.privatecatalogproducer.v1beta.Product][].
``Version`` is child resource of the product. A ``Version`` contains
the resource name and a subset of the data of the original
[google.cloud.privatecatalogproducer.v1beta.Version][].
"""
@staticmethod
def _get_default_mtls_endpoint(api_endpoint):
"""Converts api endpoint to mTLS endpoint.
Convert "*.sandbox.googleapis.com" and "*.googleapis.com" to
"*.mtls.sandbox.googleapis.com" and "*.mtls.googleapis.com" respectively.
Args:
api_endpoint (Optional[str]): the api endpoint to convert.
Returns:
str: converted mTLS api endpoint.
"""
if not api_endpoint:
return api_endpoint
mtls_endpoint_re = re.compile(
r"(?P<name>[^.]+)(?P<mtls>\.mtls)?(?P<sandbox>\.sandbox)?(?P<googledomain>\.googleapis\.com)?"
)
m = mtls_endpoint_re.match(api_endpoint)
name, mtls, sandbox, googledomain = m.groups()
if mtls or not googledomain:
return api_endpoint
if sandbox:
return api_endpoint.replace(
"sandbox.googleapis.com", "mtls.sandbox.googleapis.com"
)
return api_endpoint.replace(".googleapis.com", ".mtls.googleapis.com")
DEFAULT_ENDPOINT = "cloudprivatecatalog.googleapis.com"
DEFAULT_MTLS_ENDPOINT = _get_default_mtls_endpoint.__func__( # type: ignore
DEFAULT_ENDPOINT
)
@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:
PrivateCatalogClient: The constructed client.
"""
credentials = service_account.Credentials.from_service_account_info(info)
kwargs["credentials"] = credentials
return cls(*args, **kwargs)
@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:
PrivateCatalogClient: The constructed client.
"""
credentials = service_account.Credentials.from_service_account_file(filename)
kwargs["credentials"] = credentials
return cls(*args, **kwargs)
from_service_account_json = from_service_account_file
@property
def transport(self) -> PrivateCatalogTransport:
"""Returns the transport used by the client instance.
Returns:
PrivateCatalogTransport: The transport used by the client
instance.
"""
return self._transport
@staticmethod
def catalog_path(catalog: str,) -> str:
"""Returns a fully-qualified catalog string."""
return "catalogs/{catalog}".format(catalog=catalog,)
@staticmethod
def parse_catalog_path(path: str) -> Dict[str, str]:
"""Parses a catalog path into its component segments."""
m = re.match(r"^catalogs/(?P<catalog>.+?)$", path)
return m.groupdict() if m else {}
@staticmethod
def product_path(product: str,) -> str:
"""Returns a fully-qualified product string."""
return "products/{product}".format(product=product,)
@staticmethod
def parse_product_path(path: str) -> Dict[str, str]:
"""Parses a product path into its component segments."""
m = re.match(r"^products/(?P<product>.+?)$", path)
return m.groupdict() if m else {}
@staticmethod
def version_path(catalog: str, product: str, version: str,) -> str:
"""Returns a fully-qualified version string."""
return "catalogs/{catalog}/products/{product}/versions/{version}".format(
catalog=catalog, product=product, version=version,
)
@staticmethod
def parse_version_path(path: str) -> Dict[str, str]:
"""Parses a version path into its component segments."""
m = re.match(
r"^catalogs/(?P<catalog>.+?)/products/(?P<product>.+?)/versions/(?P<version>.+?)$",
path,
)
return m.groupdict() if m else {}
@staticmethod
def common_billing_account_path(billing_account: str,) -> str:
"""Returns a fully-qualified billing_account string."""
return "billingAccounts/{billing_account}".format(
billing_account=billing_account,
)
@staticmethod
def parse_common_billing_account_path(path: str) -> Dict[str, str]:
"""Parse a billing_account path into its component segments."""
m = re.match(r"^billingAccounts/(?P<billing_account>.+?)$", path)
return m.groupdict() if m else {}
@staticmethod
def common_folder_path(folder: str,) -> str:
"""Returns a fully-qualified folder string."""
return "folders/{folder}".format(folder=folder,)
@staticmethod
def parse_common_folder_path(path: str) -> Dict[str, str]:
"""Parse a folder path into its component segments."""
m = re.match(r"^folders/(?P<folder>.+?)$", path)
return m.groupdict() if m else {}
@staticmethod
def common_organization_path(organization: str,) -> str:
"""Returns a fully-qualified organization string."""
return "organizations/{organization}".format(organization=organization,)
@staticmethod
def parse_common_organization_path(path: str) -> Dict[str, str]:
"""Parse a organization path into its component segments."""
m = re.match(r"^organizations/(?P<organization>.+?)$", path)
return m.groupdict() if m else {}
@staticmethod
def common_project_path(project: str,) -> str:
"""Returns a fully-qualified project string."""
return "projects/{project}".format(project=project,)
@staticmethod
def parse_common_project_path(path: str) -> Dict[str, str]:
"""Parse a project path into its component segments."""
m = re.match(r"^projects/(?P<project>.+?)$", path)
return m.groupdict() if m else {}
@staticmethod
def common_location_path(project: str, location: str,) -> str:
"""Returns a fully-qualified location string."""
return "projects/{project}/locations/{location}".format(
project=project, location=location,
)
@staticmethod
def parse_common_location_path(path: str) -> Dict[str, str]:
"""Parse a location path into its component segments."""
m = re.match(r"^projects/(?P<project>.+?)/locations/(?P<location>.+?)$", path)
return m.groupdict() if m else {}
def __init__(
self,
*,
credentials: Optional[ga_credentials.Credentials] = None,
transport: Union[str, PrivateCatalogTransport, None] = None,
client_options: Optional[client_options_lib.ClientOptions] = None,
client_info: gapic_v1.client_info.ClientInfo = DEFAULT_CLIENT_INFO,
) -> None:
"""Instantiates the private catalog 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, PrivateCatalogTransport]): The
transport to use. If set to None, a transport is chosen
automatically.
client_options (google.api_core.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.
client_info (google.api_core.gapic_v1.client_info.ClientInfo):
The client info used to send a user-agent string along with
API requests. If ``None``, then default info will be used.
Generally, you only need to set this if you're developing
your own client library.
Raises:
google.auth.exceptions.MutualTLSChannelError: If mutual TLS transport
creation failed for any reason.
"""
if isinstance(client_options, dict):
client_options = client_options_lib.from_dict(client_options)
if client_options is None:
client_options = client_options_lib.ClientOptions()
# Create SSL credentials for mutual TLS if needed.
use_client_cert = bool(
util.strtobool(os.getenv("GOOGLE_API_USE_CLIENT_CERTIFICATE", "false"))
)
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"
)
# 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, PrivateCatalogTransport):
# transport is a PrivateCatalogTransport instance.
if credentials or client_options.credentials_file:
raise ValueError(
"When providing a transport instance, "
"provide its credentials directly."
)
if client_options.scopes:
raise ValueError(
"When providing a transport instance, provide its scopes "
"directly."
)
self._transport = transport
else:
Transport = type(self).get_transport_class(transport)
self._transport = Transport(
credentials=credentials,
credentials_file=client_options.credentials_file,
host=api_endpoint,
scopes=client_options.scopes,
client_cert_source_for_mtls=client_cert_source_func,
quota_project_id=client_options.quota_project_id,
client_info=client_info,
always_use_jwt_access=(
Transport == type(self).get_transport_class("grpc")
or Transport == type(self).get_transport_class("grpc_asyncio")
),
)
def search_catalogs(
self,
request: private_catalog.SearchCatalogsRequest = None,
*,
retry: retries.Retry = gapic_v1.method.DEFAULT,
timeout: float = None,
metadata: Sequence[Tuple[str, str]] = (),
) -> pagers.SearchCatalogsPager:
r"""Search [Catalog][google.cloud.privatecatalog.v1beta1.Catalog]
resources that consumers have access to, within the scope of the
consumer cloud resource hierarchy context.
Args:
request (google.cloud.privatecatalog_v1beta1.types.SearchCatalogsRequest):
The request object. Request message for
[PrivateCatalog.SearchCatalogs][google.cloud.privatecatalog.v1beta1.PrivateCatalog.SearchCatalogs].
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.privatecatalog_v1beta1.services.private_catalog.pagers.SearchCatalogsPager:
Response message for
[PrivateCatalog.SearchCatalogs][google.cloud.privatecatalog.v1beta1.PrivateCatalog.SearchCatalogs].
Iterating over this object will yield results and
resolve additional pages automatically.
"""
# Create or coerce a protobuf request object.
# Minor optimization to avoid making a copy if the user passes
# in a private_catalog.SearchCatalogsRequest.
# There's no risk of modifying the input as we've already verified
# there are no flattened fields.
if not isinstance(request, private_catalog.SearchCatalogsRequest):
request = private_catalog.SearchCatalogsRequest(request)
# Wrap the RPC method; this adds retry and timeout information,
# and friendly error handling.
rpc = self._transport._wrapped_methods[self._transport.search_catalogs]
# Certain fields should be provided within the metadata header;
# add these here.
metadata = tuple(metadata) + (
gapic_v1.routing_header.to_grpc_metadata((("resource", request.resource),)),
)
# Send the request.
response = rpc(request, retry=retry, timeout=timeout, metadata=metadata,)
# This method is paged; wrap the response in a pager, which provides
# an `__iter__` convenience method.
response = pagers.SearchCatalogsPager(
method=rpc, request=request, response=response, metadata=metadata,
)
# Done; return the response.
return response
def search_products(
self,
request: private_catalog.SearchProductsRequest = None,
*,
retry: retries.Retry = gapic_v1.method.DEFAULT,
timeout: float = None,
metadata: Sequence[Tuple[str, str]] = (),
) -> pagers.SearchProductsPager:
r"""Search [Product][google.cloud.privatecatalog.v1beta1.Product]
resources that consumers have access to, within the scope of the
consumer cloud resource hierarchy context.
Args:
request (google.cloud.privatecatalog_v1beta1.types.SearchProductsRequest):
The request object. Request message for
[PrivateCatalog.SearchProducts][google.cloud.privatecatalog.v1beta1.PrivateCatalog.SearchProducts].
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.privatecatalog_v1beta1.services.private_catalog.pagers.SearchProductsPager:
Response message for
[PrivateCatalog.SearchProducts][google.cloud.privatecatalog.v1beta1.PrivateCatalog.SearchProducts].
Iterating over this object will yield results and
resolve additional pages automatically.
"""
# Create or coerce a protobuf request object.
# Minor optimization to avoid making a copy if the user passes
# in a private_catalog.SearchProductsRequest.
# There's no risk of modifying the input as we've already verified
# there are no flattened fields.
if not isinstance(request, private_catalog.SearchProductsRequest):
request = private_catalog.SearchProductsRequest(request)
# Wrap the RPC method; this adds retry and timeout information,
# and friendly error handling.
rpc = self._transport._wrapped_methods[self._transport.search_products]
# Certain fields should be provided within the metadata header;
# add these here.
metadata = tuple(metadata) + (
gapic_v1.routing_header.to_grpc_metadata((("resource", request.resource),)),
)
# Send the request.
response = rpc(request, retry=retry, timeout=timeout, metadata=metadata,)
# This method is paged; wrap the response in a pager, which provides
# an `__iter__` convenience method.
response = pagers.SearchProductsPager(
method=rpc, request=request, response=response, metadata=metadata,
)
# Done; return the response.
return response
def search_versions(
self,
request: private_catalog.SearchVersionsRequest = None,
*,
retry: retries.Retry = gapic_v1.method.DEFAULT,
timeout: float = None,
metadata: Sequence[Tuple[str, str]] = (),
) -> pagers.SearchVersionsPager:
r"""Search [Version][google.cloud.privatecatalog.v1beta1.Version]
resources that consumers have access to, within the scope of the
consumer cloud resource hierarchy context.
Args:
request (google.cloud.privatecatalog_v1beta1.types.SearchVersionsRequest):
The request object. Request message for
[PrivateCatalog.SearchVersions][google.cloud.privatecatalog.v1beta1.PrivateCatalog.SearchVersions].
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.privatecatalog_v1beta1.services.private_catalog.pagers.SearchVersionsPager:
Response message for
[PrivateCatalog.SearchVersions][google.cloud.privatecatalog.v1beta1.PrivateCatalog.SearchVersions].
Iterating over this object will yield results and
resolve additional pages automatically.
"""
# Create or coerce a protobuf request object.
# Minor optimization to avoid making a copy if the user passes
# in a private_catalog.SearchVersionsRequest.
# There's no risk of modifying the input as we've already verified
# there are no flattened fields.
if not isinstance(request, private_catalog.SearchVersionsRequest):
request = private_catalog.SearchVersionsRequest(request)
# Wrap the RPC method; this adds retry and timeout information,
# and friendly error handling.
rpc = self._transport._wrapped_methods[self._transport.search_versions]
# Certain fields should be provided within the metadata header;
# add these here.
metadata = tuple(metadata) + (
gapic_v1.routing_header.to_grpc_metadata((("resource", request.resource),)),
)
# Send the request.
response = rpc(request, retry=retry, timeout=timeout, metadata=metadata,)
# This method is paged; wrap the response in a pager, which provides
# an `__iter__` convenience method.
response = pagers.SearchVersionsPager(
method=rpc, request=request, response=response, metadata=metadata,
)
# Done; return the response.
return response
try:
DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
gapic_version=pkg_resources.get_distribution(
"google-cloud-private-catalog",
).version,
)
except pkg_resources.DistributionNotFound:
DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo()
__all__ = ("PrivateCatalogClient",)