src/frostfs_testlib/load/interfaces.py

@@ -39,6 +39,10 @@ class ScenarioRunner(ABC):
     def stop(self):
         """Stop K6 instances"""
 
+    @abstractmethod
+    def preset(self):
+        """Run preset for load"""
+
     @property
     @abstractmethod
     def is_running(self) -> bool:

src/frostfs_testlib/load/k6.py

@@ -72,58 +72,58 @@ class K6:
     def process_dir(self) -> str:
         return self._k6_process.process_dir
 
-    @reporter.step_deco("Preset containers and objects")
     def preset(self) -> str:
-        preset_grpc = f"{self._k6_dir}/scenarios/preset/preset_grpc.py"
-        preset_s3 = f"{self._k6_dir}/scenarios/preset/preset_s3.py"
-        preset_map = {
-            LoadType.gRPC: preset_grpc,
-            LoadType.S3: preset_s3,
-            LoadType.HTTP: preset_grpc,
-        }
+        with reporter.step(f"Run preset on loader {self.loader.ip} for endpoints {self.endpoints}"):
+            preset_grpc = f"{self._k6_dir}/scenarios/preset/preset_grpc.py"
+            preset_s3 = f"{self._k6_dir}/scenarios/preset/preset_s3.py"
+            preset_map = {
+                LoadType.gRPC: preset_grpc,
+                LoadType.S3: preset_s3,
+                LoadType.HTTP: preset_grpc,
+            }
 
-        base_args = {
-            preset_grpc: [
-                preset_grpc,
-                f"--endpoint {self.endpoints[0]}",
-                f"--wallet {self.wallet.path} ",
-                f"--config {self.wallet.config_path} ",
-            ],
-            preset_s3: [
-                preset_s3,
-                f"--endpoint {self.endpoints[0]}",
-            ],
-        }
+            base_args = {
+                preset_grpc: [
+                    preset_grpc,
+                    f"--endpoint {','.join(self.endpoints)}",
+                    f"--wallet {self.wallet.path} ",
+                    f"--config {self.wallet.config_path} ",
+                ],
+                preset_s3: [
+                    preset_s3,
+                    f"--endpoint {','.join(self.endpoints)}",
+                ],
+            }
 
-        preset_scenario = preset_map[self.load_params.load_type]
-        command_args = base_args[preset_scenario].copy()
+            preset_scenario = preset_map[self.load_params.load_type]
+            command_args = base_args[preset_scenario].copy()
 
-        command_args += [
-            f"--{field.metadata['preset_argument']} '{getattr(self.load_params, field.name)}'"
-            for field in fields(self.load_params)
-            if field.metadata
-            and self.scenario in field.metadata["applicable_scenarios"]
-            and field.metadata["preset_argument"]
-            and getattr(self.load_params, field.name) is not None
-        ]
-
-        if self.load_params.preset:
             command_args += [
-                f"--{field.metadata['preset_argument']} '{getattr(self.load_params.preset, field.name)}'"
-                for field in fields(self.load_params.preset)
+                f"--{field.metadata['preset_argument']} '{getattr(self.load_params, field.name)}'"
+                for field in fields(self.load_params)
                 if field.metadata
                 and self.scenario in field.metadata["applicable_scenarios"]
                 and field.metadata["preset_argument"]
-                and getattr(self.load_params.preset, field.name) is not None
+                and getattr(self.load_params, field.name) is not None
             ]
 
-        command = " ".join(command_args)
-        result = self.shell.exec(command)
+            if self.load_params.preset:
+                command_args += [
+                    f"--{field.metadata['preset_argument']} '{getattr(self.load_params.preset, field.name)}'"
+                    for field in fields(self.load_params.preset)
+                    if field.metadata
+                    and self.scenario in field.metadata["applicable_scenarios"]
+                    and field.metadata["preset_argument"]
+                    and getattr(self.load_params.preset, field.name) is not None
+                ]
 
-        assert (
-            result.return_code == EXIT_RESULT_CODE
-        ), f"Return code of preset is not zero: {result.stdout}"
-        return result.stdout.strip("\n")
+            command = " ".join(command_args)
+            result = self.shell.exec(command)
+
+            assert (
+                result.return_code == EXIT_RESULT_CODE
+            ), f"Return code of preset is not zero: {result.stdout}"
+            return result.stdout.strip("\n")
 
     @reporter.step_deco("Generate K6 command")
     def _generate_env_variables(self) -> str:
@@ -232,7 +232,6 @@ class K6:
 
             self._wait_until_process_end()
 
-    @property
     def is_running(self) -> bool:
         if self._k6_process:
             return self._k6_process.running()

src/frostfs_testlib/load/load_report.py

@@ -43,8 +43,10 @@ class LoadReport:
         return html
 
     def _get_load_params_section_html(self) -> str:
-        params: str = yaml.safe_dump(self.load_test, sort_keys=False)
-        params = params.replace("\n", "<br>")
+        params: str = yaml.safe_dump(
+            [self.load_test], sort_keys=False, indent=2, explicit_start=True
+        )
+        params = params.replace("\n", "<br>").replace(" ", "&nbsp;")
         section_html = f"""<h3>Scenario params</h3>
 
         <pre>{params}</pre>
@@ -139,7 +141,7 @@ class LoadReport:
         duration = self._seconds_to_formatted_duration(self.load_params.load_time)
         model = self._get_model_string()
         # write 8KB 15h49m 50op/sec 50th open model/closed model/min_iteration duration=1s - 1.636MB/s 199.57451/s
-        short_summary = f"{operation_type} {object_size}{object_size_unit} {duration} {requested_rate_str} {vus_str} {model} - {throughput:.2f}{unit} {total_rate:.2f}/s"
+        short_summary = f"{operation_type} {object_size}{object_size_unit} {duration} {requested_rate_str} {vus_str} {model} - {throughput:.2f}{unit}/s {total_rate:.2f}/s"
 
         html = f"""
         <table border="1" cellpadding="5px"><tbody>

src/frostfs_testlib/load/runners.py

@@ -28,15 +28,31 @@ from frostfs_testlib.storage.cluster import ClusterNode
 from frostfs_testlib.storage.controllers.cluster_state_controller import ClusterStateController
 from frostfs_testlib.storage.dataclasses.frostfs_services import S3Gate, StorageNode
 from frostfs_testlib.storage.dataclasses.wallet import WalletInfo
-from frostfs_testlib.testing.test_control import run_optionally
-from frostfs_testlib.utils import datetime_utils
-from frostfs_testlib.utils.file_keeper import FileKeeper
+from frostfs_testlib.testing import parallel, run_optionally
+from frostfs_testlib.utils import FileKeeper, datetime_utils
 
 reporter = get_reporter()
 
 
-class DefaultRunner(ScenarioRunner):
+class RunnerBase(ScenarioRunner):
     k6_instances: list[K6]
+
+    @reporter.step_deco("Run preset on loaders")
+    def preset(self):
+        parallel([k6.preset for k6 in self.k6_instances])
+
+    @reporter.step_deco("Wait until load finish")
+    def wait_until_finish(self):
+        parallel([k6.wait_until_finished for k6 in self.k6_instances])
+
+    @property
+    def is_running(self):
+        futures = parallel([k6.is_running for k6 in self.k6_instances])
+
+        return any([future.result() for future in futures])
+
+
+class DefaultRunner(RunnerBase):
     loaders: list[Loader]
     loaders_wallet: WalletInfo
 
@@ -51,7 +67,7 @@ class DefaultRunner(ScenarioRunner):
         self.loaders_wallet = loaders_wallet
 
     @run_optionally(optionals.OPTIONAL_BACKGROUND_LOAD_ENABLED)
-    @reporter.step_deco("Prepare load instances")
+    @reporter.step_deco("Preparation steps")
     def prepare(
         self,
         load_params: LoadParams,
@@ -68,48 +84,52 @@ class DefaultRunner(ScenarioRunner):
             ]
             grpc_peer = storage_node.get_rpc_endpoint()
 
-            for loader in self.loaders:
-                with reporter.step(f"Init s3 client on {loader.ip}"):
-                    shell = loader.get_shell()
-                    frostfs_authmate_exec: FrostfsAuthmate = FrostfsAuthmate(
-                        shell, FROSTFS_AUTHMATE_EXEC
-                    )
-                    issue_secret_output = frostfs_authmate_exec.secret.issue(
-                        wallet=self.loaders_wallet.path,
-                        peer=grpc_peer,
-                        gate_public_key=s3_public_keys,
-                        container_placement_policy=load_params.preset.container_placement_policy,
-                        container_policy=f"{k6_dir}/scenarios/files/policy.json",
-                        wallet_password=self.loaders_wallet.password,
-                    ).stdout
-                    aws_access_key_id = str(
-                        re.search(
-                            r"access_key_id.*:\s.(?P<aws_access_key_id>\w*)", issue_secret_output
-                        ).group("aws_access_key_id")
-                    )
-                    aws_secret_access_key = str(
-                        re.search(
-                            r"secret_access_key.*:\s.(?P<aws_secret_access_key>\w*)",
-                            issue_secret_output,
-                        ).group("aws_secret_access_key")
-                    )
+            parallel(
+                self._prepare_loader, self.loaders, load_params, grpc_peer, s3_public_keys, k6_dir
+            )
 
-                    configure_input = [
-                        InteractiveInput(
-                            prompt_pattern=r"AWS Access Key ID.*", input=aws_access_key_id
-                        ),
-                        InteractiveInput(
-                            prompt_pattern=r"AWS Secret Access Key.*", input=aws_secret_access_key
-                        ),
-                        InteractiveInput(prompt_pattern=r".*", input=""),
-                        InteractiveInput(prompt_pattern=r".*", input=""),
-                    ]
-                    shell.exec("aws configure", CommandOptions(interactive_inputs=configure_input))
+    def _prepare_loader(
+        self,
+        loader: Loader,
+        load_params: LoadParams,
+        grpc_peer: str,
+        s3_public_keys: list[str],
+        k6_dir: str,
+    ):
+        with reporter.step(f"Init s3 client on {loader.ip}"):
+            shell = loader.get_shell()
+            frostfs_authmate_exec: FrostfsAuthmate = FrostfsAuthmate(shell, FROSTFS_AUTHMATE_EXEC)
+            issue_secret_output = frostfs_authmate_exec.secret.issue(
+                wallet=self.loaders_wallet.path,
+                peer=grpc_peer,
+                gate_public_key=s3_public_keys,
+                container_placement_policy=load_params.preset.container_placement_policy,
+                container_policy=f"{k6_dir}/scenarios/files/policy.json",
+                wallet_password=self.loaders_wallet.password,
+            ).stdout
+            aws_access_key_id = str(
+                re.search(
+                    r"access_key_id.*:\s.(?P<aws_access_key_id>\w*)", issue_secret_output
+                ).group("aws_access_key_id")
+            )
+            aws_secret_access_key = str(
+                re.search(
+                    r"secret_access_key.*:\s.(?P<aws_secret_access_key>\w*)",
+                    issue_secret_output,
+                ).group("aws_secret_access_key")
+            )
 
-    def wait_until_finish(self):
-        for k6_instance in self.k6_instances:
-            k6_instance.wait_until_finished()
+            configure_input = [
+                InteractiveInput(prompt_pattern=r"AWS Access Key ID.*", input=aws_access_key_id),
+                InteractiveInput(
+                    prompt_pattern=r"AWS Secret Access Key.*", input=aws_secret_access_key
+                ),
+                InteractiveInput(prompt_pattern=r".*", input=""),
+                InteractiveInput(prompt_pattern=r".*", input=""),
+            ]
+            shell.exec("aws configure", CommandOptions(interactive_inputs=configure_input))
 
+    @reporter.step_deco("Init k6 instances")
     def init_k6_instances(self, load_params: LoadParams, endpoints: list[str], k6_dir: str):
         self.k6_instances = []
         cycled_loaders = itertools.cycle(self.loaders)
@@ -131,29 +151,32 @@ class DefaultRunner(ScenarioRunner):
             load_params, k6_processes_count
         )
 
-        for distributed_load_params in distributed_load_params_list:
-            loader = next(cycled_loaders)
-            shell = loader.get_shell()
-            with reporter.step(
-                f"Init K6 instances on {loader.ip} for load id {distributed_load_params.load_id}"
-            ):
-                with reporter.step(f"Make working directory"):
-                    shell.exec(f"sudo mkdir -p {distributed_load_params.working_dir}")
-                    shell.exec(
-                        f"sudo chown {LOAD_NODE_SSH_USER} {distributed_load_params.working_dir}"
-                    )
+        futures = parallel(
+            self._init_k6_instance,
+            distributed_load_params_list,
+            loader=cycled_loaders,
+            endpoints=endpoints_gen,
+            k6_dir=k6_dir,
+        )
+        self.k6_instances = [future.result() for future in futures]
 
-                k6_instance = K6(
-                    distributed_load_params,
-                    next(endpoints_gen),
-                    k6_dir,
-                    shell,
-                    loader,
-                    self.loaders_wallet,
-                )
-                self.k6_instances.append(k6_instance)
-                if load_params.preset:
-                    k6_instance.preset()
+    def _init_k6_instance(
+        self, load_params_for_loader: LoadParams, loader: Loader, endpoints: list[str], k6_dir: str
+    ):
+        shell = loader.get_shell()
+        with reporter.step(f"Init K6 instance on {loader.ip} for endpoints {endpoints}"):
+            with reporter.step(f"Make working directory"):
+                shell.exec(f"sudo mkdir -p {load_params_for_loader.working_dir}")
+                shell.exec(f"sudo chown {LOAD_NODE_SSH_USER} {load_params_for_loader.working_dir}")
+
+            return K6(
+                load_params_for_loader,
+                endpoints,
+                k6_dir,
+                shell,
+                loader,
+                self.loaders_wallet,
+            )
 
     def _get_distributed_load_params_list(
         self, original_load_params: LoadParams, workers_count: int
@@ -215,15 +238,7 @@ class DefaultRunner(ScenarioRunner):
     def start(self):
         load_params = self.k6_instances[0].load_params
 
-        with ThreadPoolExecutor(max_workers=len(self.k6_instances)) as executor:
-            futures = [executor.submit(k6.start) for k6 in self.k6_instances]
-
-            # Check for exceptions
-            exceptions = [future.exception() for future in futures if future.exception()]
-            if exceptions:
-                raise RuntimeError(
-                    f"The following exceptions occured during start of k6: {exceptions}"
-                )
+        parallel([k6.start for k6 in self.k6_instances])
 
         wait_after_start_time = datetime_utils.parse_time(load_params.setup_timeout) + 5
         with reporter.step(
@@ -251,17 +266,8 @@ class DefaultRunner(ScenarioRunner):
 
         return results
 
-    @property
-    def is_running(self):
-        for k6_instance in self.k6_instances:
-            if not k6_instance.is_running:
-                return False
 
-        return True
-
-
-class LocalRunner(ScenarioRunner):
-    k6_instances: list[K6]
+class LocalRunner(RunnerBase):
     loaders: list[Loader]
     cluster_state_controller: ClusterStateController
     file_keeper: FileKeeper
@@ -278,7 +284,7 @@ class LocalRunner(ScenarioRunner):
         self.loaders = [NodeLoader(node) for node in nodes_under_load]
 
     @run_optionally(optionals.OPTIONAL_BACKGROUND_LOAD_ENABLED)
-    @reporter.step_deco("Prepare load instances")
+    @reporter.step_deco("Preparation steps")
     def prepare(
         self,
         load_params: LoadParams,
@@ -319,37 +325,39 @@ class LocalRunner(ScenarioRunner):
             for _ in result:
                 pass
 
-    def wait_until_finish(self):
-        for k6_instance in self.k6_instances:
-            k6_instance.wait_until_finished()
-
+    @reporter.step_deco("Init k6 instances")
     def init_k6_instances(self, load_params: LoadParams, endpoints: list[str], k6_dir: str):
         self.k6_instances = []
-        for loader in self.loaders:
-            shell = loader.get_shell()
-            with reporter.step(f"Init K6 instances on {loader.ip}"):
-                with reporter.step(f"Make working directory"):
-                    shell.exec(f"sudo mkdir -p {load_params.working_dir}")
-                    # If we chmod /home/<user_name> folder we can no longer ssh to the node
-                    # !! IMPORTANT !!
-                    if (
-                        load_params.working_dir
-                        and not load_params.working_dir == f"/home/{LOAD_NODE_SSH_USER}"
-                        and not load_params.working_dir == f"/home/{LOAD_NODE_SSH_USER}/"
-                    ):
-                        shell.exec(f"sudo chmod -R 777 {load_params.working_dir}")
+        futures = parallel(
+            self._init_k6_instance,
+            self.loaders,
+            load_params,
+            k6_dir,
+        )
+        self.k6_instances = [future.result() for future in futures]
 
-            k6_instance = K6(
-                load_params,
-                ["localhost:8080"],
-                k6_dir,
-                shell,
-                loader,
-                self.wallet,
-            )
-            self.k6_instances.append(k6_instance)
-            if load_params.preset:
-                k6_instance.preset()
+    def _init_k6_instance(self, loader: Loader, load_params: LoadParams, k6_dir: str):
+        shell = loader.get_shell()
+        with reporter.step(f"Init K6 instance on {loader.ip}"):
+            with reporter.step(f"Make working directory"):
+                shell.exec(f"sudo mkdir -p {load_params.working_dir}")
+                # If we chmod /home/<user_name> folder we can no longer ssh to the node
+                # !! IMPORTANT !!
+                if (
+                    load_params.working_dir
+                    and not load_params.working_dir == f"/home/{LOAD_NODE_SSH_USER}"
+                    and not load_params.working_dir == f"/home/{LOAD_NODE_SSH_USER}/"
+                ):
+                    shell.exec(f"sudo chmod -R 777 {load_params.working_dir}")
+
+        return K6(
+            load_params,
+            ["localhost:8080"],
+            k6_dir,
+            shell,
+            loader,
+            self.wallet,
+        )
 
     def start(self):
         load_params = self.k6_instances[0].load_params
@@ -357,15 +365,7 @@ class LocalRunner(ScenarioRunner):
         self.cluster_state_controller.stop_all_s3_gates()
         self.cluster_state_controller.stop_all_storage_services()
 
-        with ThreadPoolExecutor(max_workers=len(self.k6_instances)) as executor:
-            futures = [executor.submit(k6.start) for k6 in self.k6_instances]
-
-            # Check for exceptions
-            exceptions = [future.exception() for future in futures if future.exception()]
-            if exceptions:
-                raise RuntimeError(
-                    f"The following exceptions occured during start of k6: {exceptions}"
-                )
+        parallel([k6.start for k6 in self.k6_instances])
 
         wait_after_start_time = datetime_utils.parse_time(load_params.setup_timeout) + 5
         with reporter.step(
@@ -387,11 +387,3 @@ class LocalRunner(ScenarioRunner):
             results[k6_instance.loader.ip] = result
 
         return results
-
-    @property
-    def is_running(self):
-        for k6_instance in self.k6_instances:
-            if not k6_instance.is_running:
-                return False
-
-        return True

src/frostfs_testlib/storage/controllers/background_load_controller.py

@@ -80,14 +80,17 @@ class BackgroundLoadController:
             LoadType.S3: {
                 EndpointSelectionStrategy.ALL: list(
                     set(
-                        endpoint.replace("http://", "")
+                        endpoint.replace("http://", "").replace("https://", "")
                         for node_under_load in self.nodes_under_load
                         for endpoint in node_under_load.service(S3Gate).get_all_endpoints()
                     )
                 ),
                 EndpointSelectionStrategy.FIRST: list(
                     set(
-                        node_under_load.service(S3Gate).get_endpoint().replace("http://", "")
+                        node_under_load.service(S3Gate)
+                        .get_endpoint()
+                        .replace("http://", "")
+                        .replace("https://", "")
                         for node_under_load in self.nodes_under_load
                     )
                 ),
@@ -131,8 +134,13 @@ class BackgroundLoadController:
     @reporter.step_deco("Startup load")
     def startup(self):
         self.prepare()
+        self.preset()
         self.start()
 
+    @run_optionally(optionals.OPTIONAL_BACKGROUND_LOAD_ENABLED)
+    def preset(self):
+        self.runner.preset()
+
     @run_optionally(optionals.OPTIONAL_BACKGROUND_LOAD_ENABLED)
     @reporter.step_deco("Stop and get results of load")
     def teardown(self, load_report: Optional[LoadReport] = None):

src/frostfs_testlib/testing/__init__.py

@@ -0,0 +1,2 @@
+from frostfs_testlib.testing.parallel import parallel
+from frostfs_testlib.testing.test_control import expect_not_raises, run_optionally, wait_for_success

src/frostfs_testlib/testing/parallel.py

@@ -0,0 +1,98 @@
+import itertools
+from concurrent.futures import Future, ThreadPoolExecutor
+from typing import Callable, Collection, Optional, Union
+
+
+def parallel(
+    fn: Union[Callable, list[Callable]],
+    parallel_items: Optional[Collection] = None,
+    *args,
+    **kwargs,
+) -> list[Future]:
+    """Parallel execution of selected function or list of function using ThreadPoolExecutor.
+    Also checks the exceptions of each thread.
+
+    Args:
+        fn: function(s) to run. Can work in 2 modes:
+            1. If you have dedicated function with some items to process in parallel,
+               like you do with executor.map(fn, parallel_items), pass this function as fn.
+            2. If you need to process each item with it's own method, like you do
+               with executor.submit(fn, args, kwargs), pass list of methods here.
+            See examples in runners.py in this repo.
+        parallel_items: items to iterate on (should be None in case of 2nd mode).
+        args: any other args required in target function(s).
+              if any arg is itertool.cycle, it will be iterated before passing to new thread.
+        kwargs: any other kwargs required in target function(s)
+                if any kwarg is itertool.cycle, it will be iterated before passing to new thread.
+
+        Returns:
+            list of futures.
+    """
+
+    if callable(fn):
+        if not parallel_items:
+            raise RuntimeError("Parallel items should not be none when fn is callable.")
+        futures = _run_by_items(fn, parallel_items, *args, **kwargs)
+    elif isinstance(fn, list):
+        futures = _run_by_fn_list(fn, *args, **kwargs)
+    else:
+        raise RuntimeError("Nothing to run. fn should be either callable or list of callables.")
+
+    # Check for exceptions
+    exceptions = [future.exception() for future in futures if future.exception()]
+    if exceptions:
+        message = "\n".join([str(e) for e in exceptions])
+        raise RuntimeError(f"The following exceptions occured during parallel run: {message}")
+    return futures
+
+
+def _run_by_fn_list(fn_list: list[Callable], *args, **kwargs) -> list[Future]:
+    if not len(fn_list):
+        return []
+    if not all([callable(f) for f in fn_list]):
+        raise RuntimeError("fn_list should contain only callables")
+
+    futures: list[Future] = []
+
+    with ThreadPoolExecutor(max_workers=len(fn_list)) as executor:
+        for fn in fn_list:
+            task_args = _get_args(*args)
+            task_kwargs = _get_kwargs(**kwargs)
+
+            futures.append(executor.submit(fn, *task_args, **task_kwargs))
+
+    return futures
+
+
+def _run_by_items(fn: Callable, parallel_items: Collection, *args, **kwargs) -> list[Future]:
+    futures: list[Future] = []
+
+    with ThreadPoolExecutor(max_workers=len(parallel_items)) as executor:
+        for item in parallel_items:
+            task_args = _get_args(*args)
+            task_kwargs = _get_kwargs(**kwargs)
+            task_args.insert(0, item)
+
+            futures.append(executor.submit(fn, *task_args, **task_kwargs))
+
+    return futures
+
+
+def _get_kwargs(**kwargs):
+    actkwargs = {}
+    for key, arg in kwargs.items():
+        if isinstance(arg, itertools.cycle):
+            actkwargs[key] = next(arg)
+        else:
+            actkwargs[key] = arg
+    return actkwargs
+
+
+def _get_args(*args):
+    actargs = []
+    for arg in args:
+        if isinstance(arg, itertools.cycle):
+            actargs.append(next(arg))
+        else:
+            actargs.append(arg)
+    return actargs

src/frostfs_testlib/utils/__init__.py

@@ -3,3 +3,4 @@ import frostfs_testlib.utils.datetime_utils
 import frostfs_testlib.utils.json_utils
 import frostfs_testlib.utils.string_utils
 import frostfs_testlib.utils.wallet_utils
+from frostfs_testlib.utils.file_keeper import FileKeeper