mongo-python-driver/test/sigstop_sigcont.py

95 lines
2.8 KiB
Python

# Copyright 2022-present MongoDB, Inc.
#
# 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.
"""Used by test_client.TestClient.test_sigstop_sigcont."""
from __future__ import annotations
import logging
import os
import sys
sys.path[0:0] = [""]
from pymongo import monitoring
from pymongo.server_api import ServerApi
from pymongo.synchronous.mongo_client import MongoClient
SERVER_API = None
MONGODB_API_VERSION = os.environ.get("MONGODB_API_VERSION")
if MONGODB_API_VERSION:
SERVER_API = ServerApi(MONGODB_API_VERSION)
class HeartbeatLogger(monitoring.ServerHeartbeatListener):
"""Log events until the listener is closed."""
def __init__(self):
self.closed = False
def close(self):
self.closed = True
def started(self, event: monitoring.ServerHeartbeatStartedEvent) -> None:
if self.closed:
return
logging.info("%s", event)
def succeeded(self, event: monitoring.ServerHeartbeatSucceededEvent) -> None:
if self.closed:
return
logging.info("%s", event)
def failed(self, event: monitoring.ServerHeartbeatFailedEvent) -> None:
if self.closed:
return
logging.warning("%s", event)
def main(uri: str) -> None:
heartbeat_logger = HeartbeatLogger()
client = MongoClient(
uri,
event_listeners=[heartbeat_logger],
heartbeatFrequencyMS=500,
connectTimeoutMS=500,
server_api=SERVER_API,
)
client.admin.command("ping")
logging.info("TEST STARTED")
# test_sigstop_sigcont will SIGSTOP and SIGCONT this process in this loop.
while True:
try:
data = input('Type "q" to quit: ')
except EOFError:
break
if data == "q":
break
client.admin.command("ping")
logging.info("TEST COMPLETED")
heartbeat_logger.close()
client.close()
if __name__ == "__main__":
if len(sys.argv) != 2:
print("unknown or missing options")
print(f"usage: python3 {sys.argv[0]} 'mongodb://localhost'")
sys.exit(1)
# Enable logs in this format:
# 2022-03-30 12:40:55,582 INFO <ServerHeartbeatStartedEvent ('localhost', 27017)>
FORMAT = "%(asctime)s %(levelname)s %(message)s"
logging.basicConfig(format=FORMAT, level=logging.INFO)
main(sys.argv[1])