ClickHouse/tests/integration/conftest.py

import subprocess
from helpers.cluster import run_and_check
import pytest
import logging
import os
from helpers.test_tools import TSV
from helpers.network import _NetworkManager

@pytest.fixture(autouse=True, scope="session")
def cleanup_environment():
    _NetworkManager.clean_all_user_iptables_rules()
    try:
        result = run_and_check(['docker ps | wc -l'], shell=True)
        if int(result) > 1:
            if int(os.environ.get("PYTEST_CLEANUP_CONTAINERS")) != 1:
                logging.warning(f"Docker containters({int(result)}) are running before tests run. They can be left from previous pytest run and cause test failures.\n"\
                                "You can set env PYTEST_CLEANUP_CONTAINERS=1 or use runner with --cleanup-containers argument to enable automatic containers cleanup.")
            else:
                logging.debug("Trying to kill unstopped containers...")
                run_and_check([f'docker kill $(docker container list  --all  --quiet)'], shell=True, nothrow=True)
                run_and_check([f'docker rm $docker container list  --all  --quiet)'], shell=True, nothrow=True)
                logging.debug("Unstopped containers killed")
                r = run_and_check(['docker-compose', 'ps', '--services', '--all'])
                logging.debug(f"Docker ps before start:{r.stdout}")
        else:
            logging.debug(f"No running containers")
    except Exception as e:
        logging.exception(f"cleanup_environment:{str(e)}")
        pass

    yield