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# 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.
# This tests the Pub/Sub to Cloud Run integration
import datetime
import os
import subprocess
import time
import uuid
from google.cloud import logging_v2
import pytest
SUFFIX = uuid.uuid4().hex[0:6]
PROJECT = os.environ['GOOGLE_CLOUD_PROJECT']
CLOUD_RUN_SERVICE = f"pubsub-test-{SUFFIX}"
@pytest.fixture()
def cloud_run_service():
# Build and Deploy Cloud Run Services
subprocess.run(
["gcloud", "builds", "submit", "--project", PROJECT,
f"--substitutions=_SERVICE={CLOUD_RUN_SERVICE}",
"--config=e2e_test_setup.yaml", "--quiet"],
check=True
)
yield
# Delete Cloud Run service and image container
subprocess.run(
["gcloud", "run", "services", "delete", CLOUD_RUN_SERVICE,
"--project", PROJECT, "--platform", "managed", "--region",
"us-central1", "--quiet"],
check=True
)
subprocess.run(
["gcloud", "container", "images", "delete",
f"gcr.io/{PROJECT}/{CLOUD_RUN_SERVICE}", "--quiet"],
check=True
)
@pytest.fixture
def service_url(cloud_run_service):
# Get the URL for the cloud run service
service_url = subprocess.run(
[
"gcloud",
"run",
"--project",
PROJECT,
"--platform=managed",
"--region=us-central1",
"services",
"describe",
CLOUD_RUN_SERVICE,
"--format=value(status.url)",
],
stdout=subprocess.PIPE,
check=True
).stdout.strip()
yield service_url.decode()
@pytest.fixture()
def pubsub_topic(service_url):
# Create pub/sub topic
topic = f"e2e_{SUFFIX}"
subprocess.run(
["gcloud", "pubsub", "topics", "create", topic,
"--project", PROJECT, "--quiet"], check=True
)
# Create pubsub push subscription to Cloud Run Service
# Attach service account with Cloud Run Invoker role
# See tutorial for details on setting up service-account:
# https://cloud.google.com/run/docs/tutorials/pubsub
subprocess.run(
["gcloud", "pubsub", "subscriptions", "create", f"{topic}_sub",
"--topic", topic, "--push-endpoint", service_url, "--project",
PROJECT, "--push-auth-service-account",
f"cloud-run-invoker@{PROJECT}.iam.gserviceaccount.com",
"--quiet"], check=True
)
yield topic
# Delete topic
subprocess.run(
["gcloud", "pubsub", "topics", "delete", topic,
"--project", PROJECT, "--quiet"], check=True
)
# Delete subscription
subprocess.run(
["gcloud", "pubsub", "subscriptions", "delete", f"{topic}_sub",
"--project", PROJECT, "--quiet"], check=True
)
def test_end_to_end(pubsub_topic):
# Post the message "Runner" to the topic
subprocess.run(
["gcloud", "pubsub", "topics", "publish", f"{pubsub_topic}",
"--project", PROJECT, "--message", "Runner", "--quiet"], check=True
)
# Check the logs for "Hello Runner"
time.sleep(20) # Slight delay writing to stackdriver
client = logging_v2.LoggingServiceV2Client()
resource_names = [f"projects/{PROJECT}"]
# We add timestamp for making the query faster.
now = datetime.datetime.now(datetime.timezone.utc)
filter_date = now - datetime.timedelta(minutes=1)
filters = (
f"timestamp>=\"{filter_date.isoformat('T')}\" "
"resource.type=cloud_run_revision "
f"AND resource.labels.service_name={CLOUD_RUN_SERVICE} "
)
# Retry a maximum number of 10 times to find results in stackdriver
found = False
for x in range(10):
iterator = client.list_log_entries(resource_names, filter_=filters)
for entry in iterator:
if entry.text_payload == "Hello Runner!":
found = True
break
# When message found, exit loop
if found is True:
break
time.sleep(5) # Slight delay before retry
assert found