forked from TrueCloudLab/frostfs-testcases
214 lines
7.4 KiB
Python
214 lines
7.4 KiB
Python
import re
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from contextlib import contextmanager
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from dataclasses import dataclass
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from time import sleep
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import allure
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from neofs_testlib.shell import Shell
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from remote_process import RemoteProcess
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EXIT_RESULT_CODE = 0
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LOAD_RESULTS_PATTERNS = {
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"grpc": {
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"write_ops": r"neofs_obj_put_total\W*\d*\W*(?P<write_ops>\d*\.\d*)",
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"read_ops": r"neofs_obj_get_total\W*\d*\W*(?P<read_ops>\d*\.\d*)",
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},
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"s3": {
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"write_ops": r"aws_obj_put_total\W*\d*\W*(?P<write_ops>\d*\.\d*)",
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"read_ops": r"aws_obj_get_total\W*\d*\W*(?P<write_ops>\d*\.\d*)",
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},
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"http": {"total_ops": r"http_reqs\W*\d*\W*(?P<total_ops>\d*\.\d*)"},
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}
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@dataclass
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class LoadParams:
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obj_size: int
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containers_count: int
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out_file: str
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obj_count: int
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writers: int
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readers: int
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deleters: int
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load_time: int
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load_type: str
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endpoint: str
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@dataclass
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class LoadResults:
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data_sent: float = 0.0
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data_received: float = 0.0
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read_ops: float = 0.0
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write_ops: float = 0.0
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total_ops: float = 0.0
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class K6:
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def __init__(self, load_params: LoadParams, shell: Shell):
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self.load_params = load_params
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self.shell = shell
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self._k6_dir = None
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self._k6_result = None
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self._k6_process = None
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self._k6_stop_attempts = 5
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self._k6_stop_timeout = 15
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@property
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def process_dir(self) -> str:
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return self._k6_process.process_dir
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@property
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def k6_dir(self) -> str:
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if not self._k6_dir:
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self._k6_dir = self.shell.exec("sudo find . -name 'k6'").stdout.strip("\n")
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return self._k6_dir
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@allure.step("Prepare containers and objects")
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def prepare(self) -> str:
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self._k6_dir = self.k6_dir
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if self.load_params.load_type == "http" or self.load_params.load_type == "grpc":
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command = (
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f"{self.k6_dir}/scenarios/preset/preset_grpc.py "
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f"--size {self.load_params.obj_size} "
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f"--containers {self.load_params.containers_count} "
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f"--out {self.k6_dir}/{self.load_params.load_type}_{self.load_params.out_file} "
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f"--endpoint {self.load_params.endpoint.split(',')[0]} "
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f"--preload_obj {self.load_params.obj_count} "
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)
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terminal = self.shell.exec(command)
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return terminal.stdout.strip("\n")
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elif self.load_params.load_type == "s3":
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command = (
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f"{self.k6_dir}/scenarios/preset/preset_s3.py --size {self.load_params.obj_size} "
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f"--buckets {self.load_params.containers_count} "
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f"--out {self.k6_dir}/{self.load_params.load_type}_{self.load_params.out_file} "
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f"--endpoint {self.load_params.endpoint.split(',')[0]} "
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f"--preload_obj {self.load_params.obj_count} "
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f"--location load-1-1"
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)
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terminal = self.shell.exec(command)
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return terminal.stdout.strip("\n")
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else:
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raise AssertionError("Wrong K6 load type")
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@allure.step("Start K6 on initiator")
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def start(self) -> None:
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self._k6_dir = self.k6_dir
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command = (
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f"{self.k6_dir}/k6 run "
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f"-e DURATION={self.load_params.load_time} "
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f"-e WRITE_OBJ_SIZE={self.load_params.obj_size} "
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f"-e WRITERS={self.load_params.writers} -e READERS={self.load_params.readers} "
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f"-e DELETERS={self.load_params.deleters} "
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f"-e {self.load_params.load_type.upper()}_ENDPOINTS={self.load_params.endpoint} "
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f"-e PREGEN_JSON={self.k6_dir}/"
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f"{self.load_params.load_type}_{self.load_params.out_file} "
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f"{self.k6_dir}/scenarios/{self.load_params.load_type}.js"
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)
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self._k6_process = RemoteProcess.create(command, self.shell)
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@allure.step("Wait until K6 is finished")
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def wait_until_finished(self, timeout: int = 0, k6_should_be_running: bool = False) -> None:
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if self._k6_process is None:
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assert "No k6 instances were executed"
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if k6_should_be_running:
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assert self._k6_process.running(), "k6 should be running."
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for __attempt in reversed(range(5)) if timeout else [0]:
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if not self._k6_process.running():
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return
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if __attempt: # no sleep in last iteration
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sleep(int(timeout / 5))
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self._stop_k6()
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raise TimeoutError(f"Expected K6 finished in {timeout} sec.")
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@contextmanager
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def start_context(
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self, warm_up_time: int = 0, expected_finish: bool = False, expected_fail: bool = False
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) -> None:
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self.start()
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sleep(warm_up_time)
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try:
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yield self
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except Exception as err:
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if self._k6_process.running():
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self._kill_k6()
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raise
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if expected_fail:
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self._kill_k6()
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elif expected_finish:
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if self._k6_process.running():
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self._kill_k6()
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raise AssertionError("K6 has not finished in expected time")
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else:
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self._k6_should_be_finished()
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else:
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self._stop_k6()
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@allure.step("Get K6 results")
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def get_k6_results(self) -> None:
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self.__log_k6_output()
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@allure.step("Assert K6 should be finished")
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def _k6_should_be_finished(self) -> None:
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k6_rc = self._k6_process.rc()
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assert k6_rc == 0, f"K6 unexpectedly finished with RC {k6_rc}"
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@allure.step("Terminate K6 on initiator")
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def stop(self) -> None:
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if not self._k6_process.running():
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raise AssertionError("K6 unexpectedly finished")
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self._stop_k6()
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k6_rc = self._k6_process.rc()
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assert k6_rc == EXIT_RESULT_CODE, f"Return code of K6 job should be 0, but {k6_rc}"
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def check_k6_is_running(self) -> bool:
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if self._k6_process:
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return self._k6_process.running()
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return False
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@property
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def is_finished(self) -> bool:
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return not self._k6_process.running()
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def parsing_results(self) -> LoadResults:
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output = self._k6_process.stdout(full=True).replace("\n", "")
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metric_regex_map = {
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"data_received": r"data_received\W*\d*.\d*.\w*\W*(?P<data_received>\d*)",
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"data_sent": r"data_sent\W*\d*.\d*.\w*\W*(?P<data_sent>\d*)",
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}
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metric_regex_map.update(LOAD_RESULTS_PATTERNS[self.load_params.load_type])
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metric_values = {}
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for metric_name, metric_regex in metric_regex_map.items():
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match = re.search(metric_regex, output)
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if match:
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metric_values[metric_name] = float(match.group(metric_name))
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continue
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metric_values[metric_name] = 0.0
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load_result = LoadResults(**metric_values)
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return load_result
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@allure.step("Try to stop K6 with SIGTERM")
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def _stop_k6(self) -> None:
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for __attempt in range(self._k6_stop_attempts):
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if not self._k6_process.running():
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break
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self._k6_process.stop()
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sleep(self._k6_stop_timeout)
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else:
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raise AssertionError("Can not stop K6 process within timeout")
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def _kill_k6(self) -> None:
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self._k6_process.kill()
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@allure.step("Log K6 output")
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def __log_k6_output(self) -> None:
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allure.attach(self._k6_process.stdout(full=True), "K6 output", allure.attachment_type.TEXT)
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