forked from TrueCloudLab/frostfs-testlib
250 lines
8.8 KiB
Python
250 lines
8.8 KiB
Python
import json
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import logging
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import math
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import os
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from dataclasses import dataclass, fields
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from time import sleep
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from typing import Any
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from frostfs_testlib.load.interfaces import Loader
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from frostfs_testlib.load.load_config import (
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K6ProcessAllocationStrategy,
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LoadParams,
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LoadScenario,
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LoadType,
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)
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from frostfs_testlib.processes.remote_process import RemoteProcess
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from frostfs_testlib.reporter import get_reporter
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from frostfs_testlib.resources.common import STORAGE_USER_NAME
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from frostfs_testlib.resources.load_params import (
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K6_STOP_SIGNAL_TIMEOUT,
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K6_TEARDOWN_PERIOD,
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LOAD_NODE_SSH_USER,
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)
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from frostfs_testlib.shell import Shell
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from frostfs_testlib.storage.dataclasses.wallet import WalletInfo
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from frostfs_testlib.testing.test_control import wait_for_success
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EXIT_RESULT_CODE = 0
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logger = logging.getLogger("NeoLogger")
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reporter = get_reporter()
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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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_k6_process: RemoteProcess
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def __init__(
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self,
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load_params: LoadParams,
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endpoints: list[str],
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k6_dir: str,
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shell: Shell,
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loader: Loader,
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wallet: WalletInfo,
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):
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if load_params.scenario is None:
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raise RuntimeError("Scenario should not be none")
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self.load_params: LoadParams = load_params
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self.endpoints = endpoints
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self.loader: Loader = loader
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self.shell: Shell = shell
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self.wallet = wallet
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self.scenario: LoadScenario = load_params.scenario
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self.summary_json: str = os.path.join(
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self.load_params.working_dir,
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f"{self.load_params.load_id}_{self.scenario.value}_summary.json",
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)
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self._k6_dir: str = k6_dir
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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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@reporter.step_deco("Preset containers and objects")
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def preset(self) -> str:
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preset_grpc = f"{self._k6_dir}/scenarios/preset/preset_grpc.py"
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preset_s3 = f"{self._k6_dir}/scenarios/preset/preset_s3.py"
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preset_map = {
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LoadType.gRPC: preset_grpc,
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LoadType.S3: preset_s3,
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LoadType.HTTP: preset_grpc,
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}
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base_args = {
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preset_grpc: [
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preset_grpc,
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f"--endpoint {self.endpoints[0]}",
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f"--wallet {self.wallet.path} ",
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f"--config {self.wallet.config_path} ",
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],
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preset_s3: [
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preset_s3,
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f"--endpoint {self.endpoints[0]}",
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],
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}
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preset_scenario = preset_map[self.load_params.load_type]
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command_args = base_args[preset_scenario].copy()
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command_args += [
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f"--{field.metadata['preset_argument']} '{getattr(self.load_params, field.name)}'"
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for field in fields(self.load_params)
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if field.metadata
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and self.scenario in field.metadata["applicable_scenarios"]
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and field.metadata["preset_argument"]
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and getattr(self.load_params, field.name) is not None
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]
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if self.load_params.preset:
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command_args += [
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f"--{field.metadata['preset_argument']} '{getattr(self.load_params.preset, field.name)}'"
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for field in fields(self.load_params.preset)
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if field.metadata
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and self.scenario in field.metadata["applicable_scenarios"]
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and field.metadata["preset_argument"]
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and getattr(self.load_params.preset, field.name) is not None
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]
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command = " ".join(command_args)
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result = self.shell.exec(command)
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assert (
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result.return_code == EXIT_RESULT_CODE
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), f"Return code of preset is not zero: {result.stdout}"
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return result.stdout.strip("\n")
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@reporter.step_deco("Generate K6 command")
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def _generate_env_variables(self) -> str:
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env_vars = {
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field.metadata["env_variable"]: getattr(self.load_params, field.name)
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for field in fields(self.load_params)
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if field.metadata
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and self.scenario in field.metadata["applicable_scenarios"]
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and field.metadata["env_variable"]
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and getattr(self.load_params, field.name) is not None
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}
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if self.load_params.preset:
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env_vars.update(
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{
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field.metadata["env_variable"]: getattr(self.load_params.preset, field.name)
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for field in fields(self.load_params.preset)
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if field.metadata
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and self.scenario in field.metadata["applicable_scenarios"]
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and field.metadata["env_variable"]
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and getattr(self.load_params.preset, field.name) is not None
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}
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)
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env_vars[f"{self.load_params.load_type.value.upper()}_ENDPOINTS"] = ",".join(self.endpoints)
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env_vars["SUMMARY_JSON"] = self.summary_json
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reporter.attach(
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"\n".join(f"{param}: {value}" for param, value in env_vars.items()), "K6 ENV variables"
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)
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return " ".join(
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[f"-e {param}='{value}'" for param, value in env_vars.items() if value is not None]
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)
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def start(self) -> None:
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with reporter.step(
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f"Start load from loader {self.loader.ip} on endpoints {self.endpoints}"
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):
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command = (
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f"{self._k6_dir}/k6 run {self._generate_env_variables()} "
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f"{self._k6_dir}/scenarios/{self.scenario.value}.js"
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)
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user = STORAGE_USER_NAME if self.load_params.scenario == LoadScenario.LOCAL else None
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self._k6_process = RemoteProcess.create(
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command, self.shell, self.load_params.working_dir, user
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)
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def wait_until_finished(self) -> None:
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with reporter.step(
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f"Wait until load is finished from loader {self.loader.ip} on endpoints {self.endpoints}"
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):
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if self.load_params.scenario == LoadScenario.VERIFY:
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timeout = self.load_params.verify_time or 0
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else:
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timeout = self.load_params.load_time or 0
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timeout += int(K6_TEARDOWN_PERIOD)
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original_timeout = timeout
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min_wait_interval = 10
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wait_interval = min_wait_interval
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if self._k6_process is None:
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assert "No k6 instances were executed"
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while timeout > 0:
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if not self._k6_process.running():
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return
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logger.info(f"K6 is running. Waiting {wait_interval} seconds...")
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sleep(wait_interval)
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timeout -= min(timeout, wait_interval)
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wait_interval = max(
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min(timeout, int(math.log2(timeout + 1)) * 15) - min_wait_interval,
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min_wait_interval,
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)
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if not self._k6_process.running():
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return
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self.stop()
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raise TimeoutError(f"Expected K6 to finish after {original_timeout} sec.")
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def get_results(self) -> Any:
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with reporter.step(
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f"Get load results from loader {self.loader.ip} on endpoints {self.endpoints}"
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):
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self.__log_output()
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if not self.summary_json:
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return None
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summary_text = self.shell.exec(f"cat {self.summary_json}").stdout
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summary_json = json.loads(summary_text)
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allure_filenames = {
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K6ProcessAllocationStrategy.PER_LOAD_NODE: f"{self.loader.ip}_{self.scenario.value}_summary.json",
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K6ProcessAllocationStrategy.PER_ENDPOINT: f"{self.loader.ip}_{self.scenario.value}_{self.endpoints[0]}_summary.json",
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}
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allure_filename = allure_filenames[self.load_params.k6_process_allocation_strategy]
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reporter.attach(summary_text, allure_filename)
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return summary_json
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def stop(self) -> None:
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with reporter.step(f"Stop load from loader {self.loader.ip} on endpoints {self.endpoints}"):
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if self.is_running:
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self._k6_process.stop()
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self._wait_until_process_end()
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@property
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def 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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@reporter.step_deco("Wait until K6 process end")
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@wait_for_success(
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K6_STOP_SIGNAL_TIMEOUT, 15, False, False, "Can not stop K6 process within timeout"
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)
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def _wait_until_process_end(self):
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return self._k6_process.running()
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def __log_output(self) -> None:
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reporter.attach(self._k6_process.stdout(full=True), "K6 stdout")
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reporter.attach(f"{self._k6_process.process_dir}/stderr", "K6 stderr path")
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