functional_test_check.py

#!/usr/bin/env python3

import argparse
import csv
import logging
import os
import subprocess
import sys
import atexit

from github import Github

from env_helper import TEMP_PATH, REPO_COPY, REPORTS_PATH
from s3_helper import S3Helper
from get_robot_token import get_best_robot_token
from pr_info import FORCE_TESTS_LABEL, PRInfo
from build_download_helper import download_all_deb_packages
from download_release_packets import download_last_release
from upload_result_helper import upload_results
from docker_pull_helper import get_image_with_version
from commit_status_helper import (
    post_commit_status,
    get_commit,
    override_status,
    post_commit_status_to_file,
    update_mergeable_check,
)
from clickhouse_helper import (
    ClickHouseHelper,
    mark_flaky_tests,
    prepare_tests_results_for_clickhouse,
)
from stopwatch import Stopwatch
from rerun_helper import RerunHelper
from tee_popen import TeePopen

NO_CHANGES_MSG = "Nothing to run"


def get_additional_envs(check_name, run_by_hash_num, run_by_hash_total):
    result = []
    if "DatabaseReplicated" in check_name:
        result.append("USE_DATABASE_REPLICATED=1")
    if "DatabaseOrdinary" in check_name:
        result.append("USE_DATABASE_ORDINARY=1")
    if "wide parts enabled" in check_name:
        result.append("USE_POLYMORPHIC_PARTS=1")

    if "s3 storage" in check_name:
        result.append("USE_S3_STORAGE_FOR_MERGE_TREE=1")

    if run_by_hash_total != 0:
        result.append(f"RUN_BY_HASH_NUM={run_by_hash_num}")
        result.append(f"RUN_BY_HASH_TOTAL={run_by_hash_total}")

    return result


def get_image_name(check_name):
    if "stateless" in check_name.lower():
        return "clickhouse/stateless-test"
    if "stateful" in check_name.lower():
        return "clickhouse/stateful-test"
    else:
        raise Exception(f"Cannot deduce image name based on check name {check_name}")


def get_run_command(
    builds_path,
    repo_tests_path,
    result_path,
    server_log_path,
    kill_timeout,
    additional_envs,
    image,
    flaky_check,
    tests_to_run,
):
    additional_options = ["--hung-check"]
    additional_options.append("--print-time")

    if tests_to_run:
        additional_options += tests_to_run

    additional_options_str = (
        '-e ADDITIONAL_OPTIONS="' + " ".join(additional_options) + '"'
    )

    envs = [
        f"-e MAX_RUN_TIME={int(0.9 * kill_timeout)}",
        # a static link, don't use S3_URL or S3_DOWNLOAD
        '-e S3_URL="https://s3.amazonaws.com/clickhouse-datasets"',
    ]

    if flaky_check:
        envs += ["-e NUM_TRIES=100", "-e MAX_RUN_TIME=1800"]

    envs += [f"-e {e}" for e in additional_envs]

    env_str = " ".join(envs)

    return (
        f"docker run --volume={builds_path}:/package_folder "
        f"--volume={repo_tests_path}:/usr/share/clickhouse-test "
        f"--volume={result_path}:/test_output --volume={server_log_path}:/var/log/clickhouse-server "
        f"--cap-add=SYS_PTRACE {env_str} {additional_options_str} {image}"
    )


def get_tests_to_run(pr_info):
    result = set([])

    if pr_info.changed_files is None:
        return []

    for fpath in pr_info.changed_files:
        if "tests/queries/0_stateless/0" in fpath:
            logging.info("File %s changed and seems like stateless test", fpath)
            fname = fpath.split("/")[3]
            fname_without_ext = os.path.splitext(fname)[0]
            result.add(fname_without_ext + ".")
    return list(result)


def process_results(result_folder, server_log_path):
    test_results = []
    additional_files = []
    # Just upload all files from result_folder.
    # If task provides processed results, then it's responsible for content of result_folder.
    if os.path.exists(result_folder):
        test_files = [
            f
            for f in os.listdir(result_folder)
            if os.path.isfile(os.path.join(result_folder, f))
        ]
        additional_files = [os.path.join(result_folder, f) for f in test_files]

    if os.path.exists(server_log_path):
        server_log_files = [
            f
            for f in os.listdir(server_log_path)
            if os.path.isfile(os.path.join(server_log_path, f))
        ]
        additional_files = additional_files + [
            os.path.join(server_log_path, f) for f in server_log_files
        ]

    status = []
    status_path = os.path.join(result_folder, "check_status.tsv")
    if os.path.exists(status_path):
        logging.info("Found test_results.tsv")
        with open(status_path, "r", encoding="utf-8") as status_file:
            status = list(csv.reader(status_file, delimiter="\t"))

    if len(status) != 1 or len(status[0]) != 2:
        logging.info("Files in result folder %s", os.listdir(result_folder))
        return "error", "Invalid check_status.tsv", test_results, additional_files
    state, description = status[0][0], status[0][1]

    results_path = os.path.join(result_folder, "test_results.tsv")

    if os.path.exists(results_path):
        logging.info("Found test_results.tsv")
    else:
        logging.info("Files in result folder %s", os.listdir(result_folder))
        return "error", "Not found test_results.tsv", test_results, additional_files

    with open(results_path, "r", encoding="utf-8") as results_file:
        test_results = list(csv.reader(results_file, delimiter="\t"))
    if len(test_results) == 0:
        return "error", "Empty test_results.tsv", test_results, additional_files

    return state, description, test_results, additional_files


def parse_args():
    parser = argparse.ArgumentParser()
    parser.add_argument("check_name")
    parser.add_argument("kill_timeout", type=int)
    parser.add_argument(
        "--validate-bugfix",
        action="store_true",
        help="Check that added tests failed on latest stable",
    )
    parser.add_argument(
        "--post-commit-status",
        default="commit_status",
        choices=["commit_status", "file"],
        help="Where to public post commit status",
    )
    return parser.parse_args()


if __name__ == "__main__":
    logging.basicConfig(level=logging.INFO)

    stopwatch = Stopwatch()

    temp_path = TEMP_PATH
    repo_path = REPO_COPY
    reports_path = REPORTS_PATH

    args = parse_args()
    check_name = args.check_name
    kill_timeout = args.kill_timeout
    validate_bugix_check = args.validate_bugfix

    flaky_check = "flaky" in check_name.lower()

    run_changed_tests = flaky_check or validate_bugix_check
    gh = Github(get_best_robot_token(), per_page=100)

    pr_info = PRInfo(need_changed_files=run_changed_tests)

    atexit.register(update_mergeable_check, gh, pr_info, check_name)

    if not os.path.exists(temp_path):
        os.makedirs(temp_path)

    if validate_bugix_check and "pr-bugfix" not in pr_info.labels:
        if args.post_commit_status == "file":
            post_commit_status_to_file(
                os.path.join(temp_path, "post_commit_status.tsv"),
                "Skipped (no pr-bugfix)",
                "success",
                "null",
            )
        logging.info("Skipping '%s' (no pr-bugfix)", check_name)
        sys.exit(0)

    if "RUN_BY_HASH_NUM" in os.environ:
        run_by_hash_num = int(os.getenv("RUN_BY_HASH_NUM"))
        run_by_hash_total = int(os.getenv("RUN_BY_HASH_TOTAL"))
        check_name_with_group = (
            check_name + f" [{run_by_hash_num + 1}/{run_by_hash_total}]"
        )
    else:
        run_by_hash_num = 0
        run_by_hash_total = 0
        check_name_with_group = check_name

    rerun_helper = RerunHelper(gh, pr_info, check_name_with_group)
    if rerun_helper.is_already_finished_by_status():
        logging.info("Check is already finished according to github status, exiting")
        sys.exit(0)

    tests_to_run = []
    if run_changed_tests:
        tests_to_run = get_tests_to_run(pr_info)
        if not tests_to_run:
            commit = get_commit(gh, pr_info.sha)
            state = override_status("success", check_name, validate_bugix_check)
            if args.post_commit_status == "commit_status":
                commit.create_status(
                    context=check_name_with_group,
                    description=NO_CHANGES_MSG,
                    state=state,
                )
            elif args.post_commit_status == "file":
                fpath = os.path.join(temp_path, "post_commit_status.tsv")
                post_commit_status_to_file(
                    fpath, description=NO_CHANGES_MSG, state=state, report_url="null"
                )
            sys.exit(0)

    image_name = get_image_name(check_name)
    docker_image = get_image_with_version(reports_path, image_name)

    repo_tests_path = os.path.join(repo_path, "tests")

    packages_path = os.path.join(temp_path, "packages")
    if not os.path.exists(packages_path):
        os.makedirs(packages_path)

    if validate_bugix_check:
        download_last_release(packages_path)
    else:
        download_all_deb_packages(check_name, reports_path, packages_path)

    server_log_path = os.path.join(temp_path, "server_log")
    if not os.path.exists(server_log_path):
        os.makedirs(server_log_path)

    result_path = os.path.join(temp_path, "result_path")
    if not os.path.exists(result_path):
        os.makedirs(result_path)

    run_log_path = os.path.join(result_path, "runlog.log")

    additional_envs = get_additional_envs(
        check_name, run_by_hash_num, run_by_hash_total
    )
    if validate_bugix_check:
        additional_envs.append("GLOBAL_TAGS=no-random-settings")

    run_command = get_run_command(
        packages_path,
        repo_tests_path,
        result_path,
        server_log_path,
        kill_timeout,
        additional_envs,
        docker_image,
        flaky_check,
        tests_to_run,
    )
    logging.info("Going to run func tests: %s", run_command)

    with TeePopen(run_command, run_log_path) as process:
        retcode = process.wait()
        if retcode == 0:
            logging.info("Run successfully")
        else:
            logging.info("Run failed")

    subprocess.check_call(f"sudo chown -R ubuntu:ubuntu {temp_path}", shell=True)

    s3_helper = S3Helper()

    state, description, test_results, additional_logs = process_results(
        result_path, server_log_path
    )
    state = override_status(state, check_name, validate_bugix_check)

    ch_helper = ClickHouseHelper()
    mark_flaky_tests(ch_helper, check_name, test_results)

    report_url = upload_results(
        s3_helper,
        pr_info.number,
        pr_info.sha,
        test_results,
        [run_log_path] + additional_logs,
        check_name_with_group,
    )

    print(f"::notice:: {check_name} Report url: {report_url}")
    if args.post_commit_status == "commit_status":
        post_commit_status(
            gh, pr_info.sha, check_name_with_group, description, state, report_url
        )
    elif args.post_commit_status == "file":
        post_commit_status_to_file(
            os.path.join(temp_path, "post_commit_status.tsv"),
            description,
            state,
            report_url,
        )
    else:
        raise Exception(
            f'Unknown post_commit_status option "{args.post_commit_status}"'
        )

    prepared_events = prepare_tests_results_for_clickhouse(
        pr_info,
        test_results,
        state,
        stopwatch.duration_seconds,
        stopwatch.start_time_str,
        report_url,
        check_name_with_group,
    )
    ch_helper.insert_events_into(db="default", table="checks", events=prepared_events)

    if state != "success":
        if FORCE_TESTS_LABEL in pr_info.labels:
            print(f"'{FORCE_TESTS_LABEL}' enabled, will report success")
        else:
            sys.exit(1)