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#
# 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 ..core.generic import GenericContainer
class PubSubContainer(GenericContainer):
def __init__(self, image="google/cloud-sdk:latest",
project="test-project", port=8432):
super(PubSubContainer, self).__init__(image=image)
self.project = project
self.port = port
self.with_exposed_ports(self.port)
self.with_command("gcloud beta emulators pubsub start --project="
"{project} --host-port=0.0.0.0:{port}".format(
project=self.project, port=self.port,
))
def get_pubsub_emulator_host(self):
return "{host}:{port}".format(host=self.get_container_host_ip(),
port=self.get_exposed_port(self.port))
def _get_channel(self, channel=None):
if channel is None:
import grpc
return grpc.insecure_channel(target=self.get_pubsub_emulator_host())
def get_publisher_client(self, **kwargs):
from google.cloud import pubsub
kwargs['channel'] = self._get_channel(kwargs.get('channel'))
return pubsub.PublisherClient(**kwargs)
def get_subscriber_client(self, **kwargs):
from google.cloud import pubsub
kwargs['channel'] = self._get_channel(kwargs.get('channel'))
return pubsub.SubscriberClient(**kwargs)