[#147] Prettify verifier messages for error rates

Signed-off-by: Andrey Berezin <a.berezin@yadro.com>

pyproject.toml

@@ -50,10 +50,10 @@ basic = "frostfs_testlib.healthcheck.basic_healthcheck:BasicHealthcheck"
 [tool.isort]
 profile = "black"
 src_paths = ["src", "tests"]
-line_length = 100
+line_length = 120
 
 [tool.black]
-line-length = 100
+line-length = 120
 target-version = ["py310"]
 
 [tool.bumpver]

src/frostfs_testlib/healthcheck/basic_healthcheck.py

@@ -1,5 +1,7 @@
+from frostfs_testlib.cli.frostfs_cli.cli import FrostfsCli
 from frostfs_testlib.healthcheck.interfaces import Healthcheck
 from frostfs_testlib.reporter import get_reporter
+from frostfs_testlib.resources.cli import FROSTFS_CLI_EXEC
 from frostfs_testlib.steps.node_management import storage_node_healthcheck
 from frostfs_testlib.storage.cluster import ClusterNode
 
@@ -9,6 +11,33 @@ reporter = get_reporter()
 class BasicHealthcheck(Healthcheck):
     @reporter.step_deco("Perform healthcheck for {cluster_node}")
     def perform(self, cluster_node: ClusterNode):
-        health_check = storage_node_healthcheck(cluster_node.storage_node)
-        if health_check.health_status != "READY" or health_check.network_status != "ONLINE":
-            raise AssertionError("Node {cluster_node} is not healthy")
+        result = self.storage_healthcheck(cluster_node)
+        if result:
+            raise AssertionError(result)
+
+    @reporter.step_deco("Tree healthcheck on {cluster_node}")
+    def tree_healthcheck(self, cluster_node: ClusterNode) -> str | None:
+        host = cluster_node.host
+        service_config = host.get_service_config(cluster_node.storage_node.name)
+        wallet_path = service_config.attributes["wallet_path"]
+        wallet_password = service_config.attributes["wallet_password"]
+
+        shell = host.get_shell()
+        wallet_config_path = f"/tmp/{cluster_node.storage_node.name}-config.yaml"
+        wallet_config = f'wallet: {wallet_path}\npassword: "{wallet_password}"'
+        shell.exec(f"echo '{wallet_config}' > {wallet_config_path}")
+
+        remote_cli = FrostfsCli(
+            shell,
+            host.get_cli_config(FROSTFS_CLI_EXEC).exec_path,
+            config_file=wallet_config_path,
+        )
+        result = remote_cli.tree.healthcheck(rpc_endpoint="127.0.0.1:8080")
+        if result.return_code != 0:
+            return f"Error during tree healthcheck (rc={result.return_code}): {result.stdout}. \n Stderr: {result.stderr}"
+
+    @reporter.step_deco("Storage healthcheck on {cluster_node}")
+    def storage_healthcheck(self, cluster_node: ClusterNode) -> str | None:
+        result = storage_node_healthcheck(cluster_node.storage_node)
+        if result.health_status != "READY" or result.network_status != "ONLINE":
+            return f"Node {cluster_node} is not healthy. Health={result.health_status}. Network={result.network_status}"

src/frostfs_testlib/healthcheck/interfaces.py

@@ -7,3 +7,11 @@ class Healthcheck(ABC):
     @abstractmethod
     def perform(self, cluster_node: ClusterNode):
         """Perform healthcheck on the target cluster node"""
+
+    @abstractmethod
+    def tree_healthcheck(self, cluster_node: ClusterNode):
+        """Check tree sync status on target cluster node"""
+
+    @abstractmethod
+    def storage_healthcheck(self, cluster_node: ClusterNode):
+        """Perform storage node healthcheck on target cluster node"""

src/frostfs_testlib/hosting/docker_host.py

@@ -235,6 +235,7 @@ class DockerHost(Host):
         since: Optional[datetime] = None,
         until: Optional[datetime] = None,
         unit: Optional[str] = None,
+        exclude_filter: Optional[str] = None,
     ) -> str:
         client = self._get_docker_client()
         filtered_logs = ""
@@ -246,8 +247,11 @@ class DockerHost(Host):
                 logger.info(f"Got exception while dumping logs of '{container_name}': {exc}")
                 continue
 
+            if exclude_filter:
+                filtered_logs = filtered_logs.replace(exclude_filter, "")
             matches = re.findall(filter_regex, filtered_logs, re.IGNORECASE + re.MULTILINE)
             found = list(matches)
+
             if found:
                 filtered_logs += f"{container_name}:\n{os.linesep.join(found)}"
 

src/frostfs_testlib/hosting/interfaces.py

@@ -287,6 +287,7 @@ class Host(ABC):
         since: Optional[datetime] = None,
         until: Optional[datetime] = None,
         unit: Optional[str] = None,
+        exclude_filter: Optional[str] = None,
     ) -> str:
         """Get logs from host filtered by regex.
 

src/frostfs_testlib/load/__init__.py

@@ -1,4 +1,5 @@
-from frostfs_testlib.load.interfaces import Loader, ScenarioRunner
+from frostfs_testlib.load.interfaces.loader import Loader
+from frostfs_testlib.load.interfaces.scenario_runner import ScenarioRunner
 from frostfs_testlib.load.load_config import (
     EndpointSelectionStrategy,
     K6ProcessAllocationStrategy,

src/frostfs_testlib/load/interfaces/loader.py

@@ -0,0 +1,14 @@
+from abc import ABC, abstractmethod
+
+from frostfs_testlib.shell.interfaces import Shell
+
+
+class Loader(ABC):
+    @abstractmethod
+    def get_shell(self) -> Shell:
+        """Get shell for the loader"""
+
+    @property
+    @abstractmethod
+    def ip(self):
+        """Get address of the loader"""

src/frostfs_testlib/load/interfaces/scenario_runner.py

@@ -1,20 +1,8 @@
 from abc import ABC, abstractmethod
 
+from frostfs_testlib.load.k6 import K6
 from frostfs_testlib.load.load_config import LoadParams
-from frostfs_testlib.shell.interfaces import Shell
 from frostfs_testlib.storage.cluster import ClusterNode
-from frostfs_testlib.storage.dataclasses.wallet import WalletInfo
-
-
-class Loader(ABC):
-    @abstractmethod
-    def get_shell(self) -> Shell:
-        """Get shell for the loader"""
-
-    @property
-    @abstractmethod
-    def ip(self):
-        """Get address of the loader"""
 
 
 class ScenarioRunner(ABC):
@@ -32,6 +20,10 @@ class ScenarioRunner(ABC):
     def init_k6_instances(self, load_params: LoadParams, endpoints: list[str], k6_dir: str):
         """Init K6 instances"""
 
+    @abstractmethod
+    def get_k6_instances(self) -> list[K6]:
+        """Get K6 instances"""
+
     @abstractmethod
     def start(self):
         """Start K6 instances"""

src/frostfs_testlib/load/k6.py

@@ -8,7 +8,7 @@ from time import sleep
 from typing import Any
 from urllib.parse import urlparse
 
-from frostfs_testlib.load.interfaces import Loader
+from frostfs_testlib.load.interfaces.loader import Loader
 from frostfs_testlib.load.load_config import (
     K6ProcessAllocationStrategy,
     LoadParams,
@@ -59,6 +59,7 @@ class K6:
         self.loader: Loader = loader
         self.shell: Shell = shell
         self.wallet = wallet
+        self.preset_output: str = ""
         self.summary_json: str = os.path.join(
             self.load_params.working_dir,
             f"{self.load_params.load_id}_{self.load_params.scenario.value}_summary.json",
@@ -104,7 +105,9 @@ class K6:
             assert (
                 result.return_code == EXIT_RESULT_CODE
             ), f"Return code of preset is not zero: {result.stdout}"
-            return result.stdout.strip("\n")
+
+            self.preset_output = result.stdout.strip("\n")
+            return self.preset_output
 
     @reporter.step_deco("Generate K6 command")
     def _generate_env_variables(self) -> str:

src/frostfs_testlib/load/load_verifiers.py

@@ -49,30 +49,20 @@ class LoadVerifier:
         if deleters and not delete_operations:
             issues.append(f"No any delete operation was performed")
 
-        if (
-            write_operations
-            and writers
-            and write_errors / write_operations * 100 > self.load_params.error_threshold
-        ):
-            issues.append(
-                f"Write error rate is greater than threshold: {write_errors / write_operations * 100} > {self.load_params.error_threshold}"
-            )
-        if (
-            read_operations
-            and readers
-            and read_errors / read_operations * 100 > self.load_params.error_threshold
-        ):
-            issues.append(
-                f"Read error rate is greater than threshold: {read_errors / read_operations * 100} > {self.load_params.error_threshold}"
-            )
-        if (
-            delete_operations
-            and deleters
-            and delete_errors / delete_operations * 100 > self.load_params.error_threshold
-        ):
-            issues.append(
-                f"Delete error rate is greater than threshold: {delete_errors / delete_operations * 100} > {self.load_params.error_threshold}"
-            )
+        error_rate = self._get_error_rate(writers, write_operations, write_errors)
+        if error_rate > self.load_params.error_threshold:
+            rate_str = self._get_rate_str(error_rate)
+            issues.append(f"Write errors exceeded threshold: {rate_str} > {self.load_params.error_threshold}%")
+
+        error_rate = self._get_error_rate(readers, read_operations, read_errors)
+        if error_rate > self.load_params.error_threshold:
+            rate_str = self._get_rate_str(error_rate)
+            issues.append(f"Read errors exceeded threshold: {rate_str} > {self.load_params.error_threshold}%")
+
+        error_rate = self._get_error_rate(deleters, delete_operations, delete_errors)
+        if error_rate > self.load_params.error_threshold:
+            rate_str = self._get_rate_str(error_rate)
+            issues.append(f"Delete errors exceeded threshold: {rate_str} > {self.load_params.error_threshold}%")
 
         return issues
 
@@ -89,9 +79,17 @@ class LoadVerifier:
                 )
         return verify_issues
 
-    def _collect_verify_issues_on_process(
-        self, label, load_summary, verification_summary
-    ) -> list[str]:
+    def _get_error_rate(self, vus: int, operations: int, errors: int) -> float:
+        if not operations or not vus:
+            return 0
+
+        error_rate = errors / operations * 100
+        return error_rate
+
+    def _get_rate_str(self, rate: float, minimal: float = 0.01) -> str:
+        return f"{rate:.2f}%" if rate >= minimal else f"~{minimal}%"
+
+    def _collect_verify_issues_on_process(self, label, load_summary, verification_summary) -> list[str]:
         issues = []
 
         load_metrics = get_metrics_object(self.load_params.scenario, load_summary)

src/frostfs_testlib/load/loaders.py

@@ -1,4 +1,4 @@
-from frostfs_testlib.load.interfaces import Loader
+from frostfs_testlib.load.interfaces.loader import Loader
 from frostfs_testlib.resources.load_params import (
     LOAD_NODE_SSH_PASSWORD,
     LOAD_NODE_SSH_PRIVATE_KEY_PASSPHRASE,

src/frostfs_testlib/load/runners.py

@@ -3,7 +3,6 @@ import itertools
 import math
 import re
 import time
-from concurrent.futures import ThreadPoolExecutor
 from dataclasses import fields
 from typing import Optional
 from urllib.parse import urlparse
@@ -11,7 +10,8 @@ from urllib.parse import urlparse
 import yaml
 
 from frostfs_testlib.cli.frostfs_authmate.authmate import FrostfsAuthmate
-from frostfs_testlib.load.interfaces import Loader, ScenarioRunner
+from frostfs_testlib.load.interfaces.loader import Loader
+from frostfs_testlib.load.interfaces.scenario_runner import ScenarioRunner
 from frostfs_testlib.load.k6 import K6
 from frostfs_testlib.load.load_config import K6ProcessAllocationStrategy, LoadParams, LoadType
 from frostfs_testlib.load.loaders import NodeLoader, RemoteLoader
@@ -19,18 +19,17 @@ from frostfs_testlib.reporter import get_reporter
 from frostfs_testlib.resources import optionals
 from frostfs_testlib.resources.cli import FROSTFS_AUTHMATE_EXEC
 from frostfs_testlib.resources.common import STORAGE_USER_NAME
-from frostfs_testlib.resources.load_params import (
-    BACKGROUND_LOAD_VUS_COUNT_DIVISOR,
-    LOAD_NODE_SSH_USER,
-    LOAD_NODES,
-)
+from frostfs_testlib.resources.load_params import BACKGROUND_LOAD_VUS_COUNT_DIVISOR, LOAD_NODE_SSH_USER, LOAD_NODES
+from frostfs_testlib.shell.command_inspectors import SuInspector
 from frostfs_testlib.shell.interfaces import CommandOptions, InteractiveInput
 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 import parallel, run_optionally
-from frostfs_testlib.utils import FileKeeper, datetime_utils
+from frostfs_testlib.testing.test_control import retry
+from frostfs_testlib.utils import datetime_utils
+from frostfs_testlib.utils.file_keeper import FileKeeper
 
 reporter = get_reporter()
 
@@ -52,6 +51,9 @@ class RunnerBase(ScenarioRunner):
 
         return any([future.result() for future in futures])
 
+    def get_k6_instances(self):
+        return self.k6_instances
+
 
 class DefaultRunner(RunnerBase):
     loaders: list[Loader]
@@ -81,14 +83,10 @@ class DefaultRunner(RunnerBase):
 
         with reporter.step("Init s3 client on loaders"):
             storage_node = nodes_under_load[0].service(StorageNode)
-            s3_public_keys = [
-                node.service(S3Gate).get_wallet_public_key() for node in cluster_nodes
-            ]
+            s3_public_keys = [node.service(S3Gate).get_wallet_public_key() for node in cluster_nodes]
             grpc_peer = storage_node.get_rpc_endpoint()
 
-            parallel(
-                self._prepare_loader, self.loaders, load_params, grpc_peer, s3_public_keys, k6_dir
-            )
+            parallel(self._prepare_loader, self.loaders, load_params, grpc_peer, s3_public_keys, k6_dir)
 
     def _prepare_loader(
         self,
@@ -110,9 +108,9 @@ class DefaultRunner(RunnerBase):
                 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")
+                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(
@@ -123,9 +121,7 @@ class DefaultRunner(RunnerBase):
 
             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"AWS Secret Access Key.*", input=aws_secret_access_key),
                 InteractiveInput(prompt_pattern=r".*", input=""),
                 InteractiveInput(prompt_pattern=r".*", input=""),
             ]
@@ -142,16 +138,12 @@ class DefaultRunner(RunnerBase):
         }
         endpoints_generators = {
             K6ProcessAllocationStrategy.PER_LOAD_NODE: itertools.cycle([endpoints]),
-            K6ProcessAllocationStrategy.PER_ENDPOINT: itertools.cycle(
-                [[endpoint] for endpoint in endpoints]
-            ),
+            K6ProcessAllocationStrategy.PER_ENDPOINT: itertools.cycle([[endpoint] for endpoint in endpoints]),
         }
         k6_processes_count = k6_distribution_count[load_params.k6_process_allocation_strategy]
         endpoints_gen = endpoints_generators[load_params.k6_process_allocation_strategy]
 
-        distributed_load_params_list = self._get_distributed_load_params_list(
-            load_params, k6_processes_count
-        )
+        distributed_load_params_list = self._get_distributed_load_params_list(load_params, k6_processes_count)
 
         futures = parallel(
             self._init_k6_instance,
@@ -162,9 +154,7 @@ class DefaultRunner(RunnerBase):
         )
         self.k6_instances = [future.result() for future in futures]
 
-    def _init_k6_instance(
-        self, load_params_for_loader: LoadParams, loader: Loader, endpoints: list[str], k6_dir: str
-    ):
+    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"):
@@ -202,9 +192,7 @@ class DefaultRunner(RunnerBase):
                 and getattr(original_load_params, field.name) is not None
             ):
                 original_value = getattr(original_load_params, field.name)
-                distribution = self._get_distribution(
-                    math.ceil(original_value / divisor), workers_count
-                )
+                distribution = self._get_distribution(math.ceil(original_value / divisor), workers_count)
                 for i in range(workers_count):
                     setattr(distributed_load_params[i], field.name, distribution[i])
 
@@ -231,10 +219,7 @@ class DefaultRunner(RunnerBase):
         # Remainder of clients left to be distributed
         remainder = clients_count - clients_per_worker * workers_count
 
-        distribution = [
-            clients_per_worker + 1 if i < remainder else clients_per_worker
-            for i in range(workers_count)
-        ]
+        distribution = [clients_per_worker + 1 if i < remainder else clients_per_worker for i in range(workers_count)]
         return distribution
 
     def start(self):
@@ -243,9 +228,7 @@ class DefaultRunner(RunnerBase):
         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(
-            f"Wait for start timeout + couple more seconds ({wait_after_start_time}) before moving on"
-        ):
+        with reporter.step(f"Wait for start timeout + couple more seconds ({wait_after_start_time}) before moving on"):
             time.sleep(wait_after_start_time)
 
     def stop(self):
@@ -296,40 +279,49 @@ class LocalRunner(RunnerBase):
         nodes_under_load: list[ClusterNode],
         k6_dir: str,
     ):
-        @reporter.step_deco("Prepare node {cluster_node}")
-        def prepare_node(cluster_node: ClusterNode):
-            shell = cluster_node.host.get_shell()
+        parallel(self.prepare_node, nodes_under_load, k6_dir, load_params)
 
-            with reporter.step("Allow storage user to login into system"):
-                shell.exec(f"sudo chsh -s /bin/bash {STORAGE_USER_NAME}")
-                shell.exec("sudo chattr +i /etc/passwd")
+    @retry(3, 5, expected_result=True)
+    def allow_user_to_login_in_system(self, cluster_node: ClusterNode):
+        shell = cluster_node.host.get_shell()
 
-            with reporter.step("Update limits.conf"):
-                limits_path = "/etc/security/limits.conf"
-                self.file_keeper.add(cluster_node.storage_node, limits_path)
-                content = f"{STORAGE_USER_NAME} hard nofile 65536\n{STORAGE_USER_NAME} soft nofile 65536\n"
-                shell.exec(f"echo '{content}' | sudo tee {limits_path}")
+        result = None
+        try:
+            shell.exec(f"sudo chsh -s /bin/bash {STORAGE_USER_NAME}")
+            self.lock_passwd_on_node(cluster_node)
+            options = CommandOptions(check=False, extra_inspectors=[SuInspector(STORAGE_USER_NAME)])
+            result = shell.exec("whoami", options)
+        finally:
+            if not result or result.return_code:
+                self.restore_passwd_on_node(cluster_node)
+                return False
 
-            with reporter.step("Download K6"):
-                shell.exec(f"sudo rm -rf {k6_dir};sudo mkdir {k6_dir}")
-                shell.exec(f"sudo curl -so {k6_dir}/k6.tar.gz {load_params.k6_url}")
-                shell.exec(f"sudo tar xf {k6_dir}/k6.tar.gz -C {k6_dir}")
-                shell.exec(f"sudo chmod -R 777 {k6_dir}")
+        return True
 
-            with reporter.step("Create empty_passwd"):
-                self.wallet = WalletInfo(
-                    f"{k6_dir}/scenarios/files/wallet.json", "", "/tmp/empty_passwd.yml"
-                )
-                content = yaml.dump({"password": ""})
-                shell.exec(f'echo "{content}" | sudo tee {self.wallet.config_path}')
-                shell.exec(f"sudo chmod -R 777 {self.wallet.config_path}")
+    @reporter.step_deco("Prepare node {cluster_node}")
+    def prepare_node(self, cluster_node: ClusterNode, k6_dir: str, load_params: LoadParams):
+        shell = cluster_node.host.get_shell()
 
-        with ThreadPoolExecutor(max_workers=len(nodes_under_load)) as executor:
-            result = executor.map(prepare_node, nodes_under_load)
+        with reporter.step("Allow storage user to login into system"):
+            self.allow_user_to_login_in_system(cluster_node)
 
-            # Check for exceptions
-            for _ in result:
-                pass
+        with reporter.step("Update limits.conf"):
+            limits_path = "/etc/security/limits.conf"
+            self.file_keeper.add(cluster_node.storage_node, limits_path)
+            content = f"{STORAGE_USER_NAME} hard nofile 65536\n{STORAGE_USER_NAME} soft nofile 65536\n"
+            shell.exec(f"echo '{content}' | sudo tee {limits_path}")
+
+        with reporter.step("Download K6"):
+            shell.exec(f"sudo rm -rf {k6_dir};sudo mkdir {k6_dir}")
+            shell.exec(f"sudo curl -so {k6_dir}/k6.tar.gz {load_params.k6_url}")
+            shell.exec(f"sudo tar xf {k6_dir}/k6.tar.gz -C {k6_dir}")
+            shell.exec(f"sudo chmod -R 777 {k6_dir}")
+
+        with reporter.step("Create empty_passwd"):
+            self.wallet = WalletInfo(f"{k6_dir}/scenarios/files/wallet.json", "", "/tmp/empty_passwd.yml")
+            content = yaml.dump({"password": ""})
+            shell.exec(f'echo "{content}" | sudo tee {self.wallet.config_path}')
+            shell.exec(f"sudo chmod -R 777 {self.wallet.config_path}")
 
     @reporter.step_deco("Init k6 instances")
     def init_k6_instances(self, load_params: LoadParams, endpoints: list[str], k6_dir: str):
@@ -368,30 +360,30 @@ class LocalRunner(RunnerBase):
     def start(self):
         load_params = self.k6_instances[0].load_params
 
-        self.cluster_state_controller.stop_all_s3_gates()
-        self.cluster_state_controller.stop_all_storage_services()
+        self.cluster_state_controller.stop_services_of_type(S3Gate)
+        self.cluster_state_controller.stop_services_of_type(StorageNode)
 
         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(
-            f"Wait for start timeout + couple more seconds ({wait_after_start_time}) before moving on"
-        ):
+        with reporter.step(f"Wait for start timeout + couple more seconds ({wait_after_start_time}) before moving on"):
             time.sleep(wait_after_start_time)
 
+    @reporter.step_deco("Restore passwd on {cluster_node}")
+    def restore_passwd_on_node(self, cluster_node: ClusterNode):
+        shell = cluster_node.host.get_shell()
+        shell.exec("sudo chattr -i /etc/passwd")
+
+    @reporter.step_deco("Lock passwd on {cluster_node}")
+    def lock_passwd_on_node(self, cluster_node: ClusterNode):
+        shell = cluster_node.host.get_shell()
+        shell.exec("sudo chattr +i /etc/passwd")
+
     def stop(self):
         for k6_instance in self.k6_instances:
             k6_instance.stop()
 
-        @reporter.step_deco("Restore passwd on {cluster_node}")
-        def restore_passwd_attr_on_node(cluster_node: ClusterNode):
-            shell = cluster_node.host.get_shell()
-            shell.exec("sudo chattr -i /etc/passwd")
-
-        parallel(restore_passwd_attr_on_node, self.nodes_under_load)
-
-        self.cluster_state_controller.start_stopped_storage_services()
-        self.cluster_state_controller.start_stopped_s3_gates()
+        self.cluster_state_controller.start_all_stopped_services()
 
     def get_results(self) -> dict:
         results = {}
@@ -399,4 +391,6 @@ class LocalRunner(RunnerBase):
             result = k6_instance.get_results()
             results[k6_instance.loader.ip] = result
 
+        parallel(self.restore_passwd_on_node, self.nodes_under_load)
+
         return results

src/frostfs_testlib/resources/common.py

@@ -43,6 +43,6 @@ with open(DEFAULT_WALLET_CONFIG, "w") as file:
 
 # Number of attempts that S3 clients will attempt per each request (1 means single attempt
 # without any retries)
-MAX_REQUEST_ATTEMPTS = 1
+MAX_REQUEST_ATTEMPTS = 5
 RETRY_MODE = "standard"
 CREDENTIALS_CREATE_TIMEOUT = "1m"

src/frostfs_testlib/s3/aws_cli_client.py

@@ -7,12 +7,7 @@ from time import sleep
 from typing import Literal, Optional, Union
 
 from frostfs_testlib.reporter import get_reporter
-from frostfs_testlib.resources.common import (
-    ASSETS_DIR,
-    MAX_REQUEST_ATTEMPTS,
-    RETRY_MODE,
-    S3_SYNC_WAIT_TIME,
-)
+from frostfs_testlib.resources.common import ASSETS_DIR, MAX_REQUEST_ATTEMPTS, RETRY_MODE, S3_SYNC_WAIT_TIME
 from frostfs_testlib.s3.interfaces import S3ClientWrapper, VersioningStatus, _make_objs_dict
 from frostfs_testlib.shell import CommandOptions
 from frostfs_testlib.shell.local_shell import LocalShell
@@ -22,7 +17,7 @@ from frostfs_testlib.utils.cli_utils import _configure_aws_cli
 
 reporter = get_reporter()
 logger = logging.getLogger("NeoLogger")
-command_options = CommandOptions(timeout=240)
+command_options = CommandOptions(timeout=480)
 
 
 class AwsCliClient(S3ClientWrapper):
@@ -128,9 +123,7 @@ class AwsCliClient(S3ClientWrapper):
 
     @reporter.step_deco("Put bucket tagging")
     def put_bucket_tagging(self, bucket: str, tags: list) -> None:
-        tags_json = {
-            "TagSet": [{"Key": tag_key, "Value": tag_value} for tag_key, tag_value in tags]
-        }
+        tags_json = {"TagSet": [{"Key": tag_key, "Value": tag_value} for tag_key, tag_value in tags]}
         cmd = (
             f"aws {self.common_flags} s3api put-bucket-tagging --bucket {bucket} "
             f"--tagging '{json.dumps(tags_json)}' --endpoint {self.s3gate_endpoint}"
@@ -140,8 +133,7 @@ class AwsCliClient(S3ClientWrapper):
     @reporter.step_deco("Get bucket tagging")
     def get_bucket_tagging(self, bucket: str) -> list:
         cmd = (
-            f"aws {self.common_flags} s3api get-bucket-tagging --bucket {bucket} "
-            f"--endpoint {self.s3gate_endpoint}"
+            f"aws {self.common_flags} s3api get-bucket-tagging --bucket {bucket} " f"--endpoint {self.s3gate_endpoint}"
         )
         output = self.local_shell.exec(cmd).stdout
         response = self._to_json(output)
@@ -149,10 +141,7 @@ class AwsCliClient(S3ClientWrapper):
 
     @reporter.step_deco("Get bucket acl")
     def get_bucket_acl(self, bucket: str) -> list:
-        cmd = (
-            f"aws {self.common_flags} s3api get-bucket-acl --bucket {bucket} "
-            f"--endpoint {self.s3gate_endpoint}"
-        )
+        cmd = f"aws {self.common_flags} s3api get-bucket-acl --bucket {bucket} " f"--endpoint {self.s3gate_endpoint}"
         output = self.local_shell.exec(cmd).stdout
         response = self._to_json(output)
         return response.get("Grants")
@@ -160,8 +149,7 @@ class AwsCliClient(S3ClientWrapper):
     @reporter.step_deco("Get bucket location")
     def get_bucket_location(self, bucket: str) -> dict:
         cmd = (
-            f"aws {self.common_flags} s3api get-bucket-location --bucket {bucket} "
-            f"--endpoint {self.s3gate_endpoint}"
+            f"aws {self.common_flags} s3api get-bucket-location --bucket {bucket} " f"--endpoint {self.s3gate_endpoint}"
         )
         output = self.local_shell.exec(cmd).stdout
         response = self._to_json(output)
@@ -169,10 +157,7 @@ class AwsCliClient(S3ClientWrapper):
 
     @reporter.step_deco("List objects S3")
     def list_objects(self, bucket: str, full_output: bool = False) -> Union[dict, list[str]]:
-        cmd = (
-            f"aws {self.common_flags} s3api list-objects --bucket {bucket} "
-            f"--endpoint {self.s3gate_endpoint}"
-        )
+        cmd = f"aws {self.common_flags} s3api list-objects --bucket {bucket} " f"--endpoint {self.s3gate_endpoint}"
         output = self.local_shell.exec(cmd).stdout
         response = self._to_json(output)
 
@@ -183,10 +168,7 @@ class AwsCliClient(S3ClientWrapper):
 
     @reporter.step_deco("List objects S3 v2")
     def list_objects_v2(self, bucket: str, full_output: bool = False) -> Union[dict, list[str]]:
-        cmd = (
-            f"aws {self.common_flags} s3api list-objects-v2 --bucket {bucket} "
-            f"--endpoint {self.s3gate_endpoint}"
-        )
+        cmd = f"aws {self.common_flags} s3api list-objects-v2 --bucket {bucket} " f"--endpoint {self.s3gate_endpoint}"
         output = self.local_shell.exec(cmd).stdout
         response = self._to_json(output)
 
@@ -371,10 +353,7 @@ class AwsCliClient(S3ClientWrapper):
         grant_write: Optional[str] = None,
         grant_read: Optional[str] = None,
     ) -> None:
-        cmd = (
-            f"aws {self.common_flags} s3api put-bucket-acl --bucket {bucket} "
-            f" --endpoint {self.s3gate_endpoint}"
-        )
+        cmd = f"aws {self.common_flags} s3api put-bucket-acl --bucket {bucket} " f" --endpoint {self.s3gate_endpoint}"
         if acl:
             cmd += f" --acl {acl}"
         if grant_write:
@@ -442,9 +421,7 @@ class AwsCliClient(S3ClientWrapper):
     def delete_object_versions_without_dm(self, bucket: str, object_versions: list) -> None:
         # Delete objects without creating delete markers
         for object_version in object_versions:
-            self.delete_object(
-                bucket=bucket, key=object_version["Key"], version_id=object_version["VersionId"]
-            )
+            self.delete_object(bucket=bucket, key=object_version["Key"], version_id=object_version["VersionId"])
 
     @reporter.step_deco("Get object attributes")
     def get_object_attributes(
@@ -480,10 +457,7 @@ class AwsCliClient(S3ClientWrapper):
 
     @reporter.step_deco("Get bucket policy")
     def get_bucket_policy(self, bucket: str) -> dict:
-        cmd = (
-            f"aws {self.common_flags} s3api get-bucket-policy --bucket {bucket} "
-            f"--endpoint {self.s3gate_endpoint}"
-        )
+        cmd = f"aws {self.common_flags} s3api get-bucket-policy --bucket {bucket} " f"--endpoint {self.s3gate_endpoint}"
         output = self.local_shell.exec(cmd).stdout
         response = self._to_json(output)
         return response.get("Policy")
@@ -505,10 +479,7 @@ class AwsCliClient(S3ClientWrapper):
 
     @reporter.step_deco("Get bucket cors")
     def get_bucket_cors(self, bucket: str) -> dict:
-        cmd = (
-            f"aws {self.common_flags} s3api get-bucket-cors --bucket {bucket} "
-            f"--endpoint {self.s3gate_endpoint}"
-        )
+        cmd = f"aws {self.common_flags} s3api get-bucket-cors --bucket {bucket} " f"--endpoint {self.s3gate_endpoint}"
         output = self.local_shell.exec(cmd).stdout
         response = self._to_json(output)
         return response.get("CORSRules")
@@ -524,8 +495,7 @@ class AwsCliClient(S3ClientWrapper):
     @reporter.step_deco("Delete bucket cors")
     def delete_bucket_cors(self, bucket: str) -> None:
         cmd = (
-            f"aws {self.common_flags} s3api delete-bucket-cors --bucket {bucket} "
-            f"--endpoint {self.s3gate_endpoint}"
+            f"aws {self.common_flags} s3api delete-bucket-cors --bucket {bucket} " f"--endpoint {self.s3gate_endpoint}"
         )
         self.local_shell.exec(cmd)
 
@@ -608,10 +578,7 @@ class AwsCliClient(S3ClientWrapper):
         acl: Optional[str] = None,
         metadata: Optional[dict] = None,
     ) -> dict:
-        cmd = (
-            f"aws {self.common_flags} s3 sync {dir_path}  s3://{bucket} "
-            f"--endpoint-url {self.s3gate_endpoint}"
-        )
+        cmd = f"aws {self.common_flags} s3 sync {dir_path}  s3://{bucket} " f"--endpoint-url {self.s3gate_endpoint}"
         if metadata:
             cmd += " --metadata"
             for key, value in metadata.items():
@@ -674,9 +641,7 @@ class AwsCliClient(S3ClientWrapper):
         self.local_shell.exec(cmd)
 
     @reporter.step_deco("Upload part S3")
-    def upload_part(
-        self, bucket: str, key: str, upload_id: str, part_num: int, filepath: str
-    ) -> str:
+    def upload_part(self, bucket: str, key: str, upload_id: str, part_num: int, filepath: str) -> str:
         cmd = (
             f"aws {self.common_flags} s3api upload-part --bucket {bucket} --key {key} "
             f"--upload-id {upload_id} --part-number {part_num} --body {filepath} "
@@ -688,9 +653,7 @@ class AwsCliClient(S3ClientWrapper):
         return response["ETag"]
 
     @reporter.step_deco("Upload copy part S3")
-    def upload_part_copy(
-        self, bucket: str, key: str, upload_id: str, part_num: int, copy_source: str
-    ) -> str:
+    def upload_part_copy(self, bucket: str, key: str, upload_id: str, part_num: int, copy_source: str) -> str:
         cmd = (
             f"aws {self.common_flags} s3api upload-part-copy --bucket {bucket} --key {key} "
             f"--upload-id {upload_id} --part-number {part_num} --copy-source {copy_source} "
@@ -698,9 +661,7 @@ class AwsCliClient(S3ClientWrapper):
         )
         output = self.local_shell.exec(cmd, command_options).stdout
         response = self._to_json(output)
-        assert response.get("CopyPartResult", []).get(
-            "ETag"
-        ), f"Expected ETag in response:\n{response}"
+        assert response.get("CopyPartResult", []).get("ETag"), f"Expected ETag in response:\n{response}"
 
         return response["CopyPartResult"]["ETag"]
 

src/frostfs_testlib/storage/controllers/background_load_controller.py

@@ -2,7 +2,7 @@ import copy
 from typing import Optional
 
 import frostfs_testlib.resources.optionals as optionals
-from frostfs_testlib.load.interfaces import ScenarioRunner
+from frostfs_testlib.load.interfaces.scenario_runner import ScenarioRunner
 from frostfs_testlib.load.load_config import (
     EndpointSelectionStrategy,
     LoadParams,

src/frostfs_testlib/storage/controllers/cluster_state_controller.py

@@ -1,15 +1,15 @@
-import copy
 import time
 
 import frostfs_testlib.resources.optionals as optionals
+from frostfs_testlib.healthcheck.interfaces import Healthcheck
 from frostfs_testlib.reporter import get_reporter
 from frostfs_testlib.shell import CommandOptions, Shell, SshConnectionProvider
 from frostfs_testlib.steps.network import IfUpDownHelper, IpTablesHelper
-from frostfs_testlib.storage.cluster import Cluster, ClusterNode, StorageNode
+from frostfs_testlib.storage.cluster import Cluster, ClusterNode, S3Gate, StorageNode
 from frostfs_testlib.storage.controllers.disk_controller import DiskController
 from frostfs_testlib.storage.dataclasses.node_base import NodeBase, ServiceClass
 from frostfs_testlib.testing import parallel
-from frostfs_testlib.testing.test_control import run_optionally
+from frostfs_testlib.testing.test_control import run_optionally, wait_for_success
 from frostfs_testlib.utils.failover_utils import (
     wait_all_storage_nodes_returned,
     wait_for_host_offline,
@@ -22,18 +22,36 @@ if_up_down_helper = IfUpDownHelper()
 
 
 class ClusterStateController:
-    def __init__(self, shell: Shell, cluster: Cluster) -> None:
+    def __init__(self, shell: Shell, cluster: Cluster, healthcheck: Healthcheck) -> None:
         self.stopped_nodes: list[ClusterNode] = []
         self.detached_disks: dict[str, DiskController] = {}
-        self.stopped_storage_nodes: list[ClusterNode] = []
-        self.stopped_s3_gates: list[ClusterNode] = []
         self.dropped_traffic: list[ClusterNode] = []
         self.stopped_services: set[NodeBase] = set()
         self.cluster = cluster
+        self.healthcheck = healthcheck
         self.shell = shell
         self.suspended_services: dict[str, list[ClusterNode]] = {}
         self.nodes_with_modified_interface: list[ClusterNode] = []
 
+    def _get_stopped_by_node(self, node: ClusterNode) -> set[NodeBase]:
+        stopped_by_node = [svc for svc in self.stopped_services if svc.host == node.host]
+        return set(stopped_by_node)
+
+    def _get_stopped_by_type(self, service_type: type[ServiceClass]) -> set[ServiceClass]:
+        stopped_by_type = [svc for svc in self.stopped_services if isinstance(svc, service_type)]
+        return set(stopped_by_type)
+
+    def _from_stopped_nodes(self, service_type: type[ServiceClass]) -> set[ServiceClass]:
+        stopped_on_nodes = set([node.service(service_type) for node in self.stopped_nodes])
+        return set(stopped_on_nodes)
+
+    def _get_online(self, service_type: type[ServiceClass]) -> set[ServiceClass]:
+        stopped_svc = self._get_stopped_by_type(service_type).union(
+            self._from_stopped_nodes(service_type)
+        )
+        online_svc = set(self.cluster.services(service_type)) - stopped_svc
+        return online_svc
+
     @run_optionally(optionals.OPTIONAL_FAILOVER_ENABLED)
     @reporter.step_deco("Stop host of node {node}")
     def stop_node_host(self, node: ClusterNode, mode: str):
@@ -65,34 +83,16 @@ class ClusterStateController:
         for node in nodes:
             wait_for_host_offline(self.shell, node.storage_node)
 
-    @run_optionally(optionals.OPTIONAL_FAILOVER_ENABLED)
-    @reporter.step_deco("Stop all storage services on cluster")
-    def stop_all_storage_services(self, reversed_order: bool = False):
-        nodes = (
-            reversed(self.cluster.cluster_nodes) if reversed_order else self.cluster.cluster_nodes
-        )
-
-        for node in nodes:
-            self.stop_storage_service(node)
-
-    @run_optionally(optionals.OPTIONAL_FAILOVER_ENABLED)
-    @reporter.step_deco("Stop all S3 gates on cluster")
-    def stop_all_s3_gates(self, reversed_order: bool = False):
-        nodes = (
-            reversed(self.cluster.cluster_nodes) if reversed_order else self.cluster.cluster_nodes
-        )
-
-        for node in nodes:
-            self.stop_s3_gate(node)
-
     @run_optionally(optionals.OPTIONAL_FAILOVER_ENABLED)
     @reporter.step_deco("Start host of node {node}")
-    def start_node_host(self, node: ClusterNode):
+    def start_node_host(self, node: ClusterNode, tree_healthcheck: bool = True):
         with reporter.step(f"Start host {node.host.config.address}"):
             node.host.start_host()
             wait_for_host_online(self.shell, node.storage_node)
+            self.stopped_nodes.remove(node)
             wait_for_node_online(node.storage_node)
-        self.stopped_nodes.remove(node)
+            if tree_healthcheck:
+                self.wait_tree_healthcheck()
 
     @run_optionally(optionals.OPTIONAL_FAILOVER_ENABLED)
     @reporter.step_deco("Start stopped hosts")
@@ -104,13 +104,10 @@ class ClusterStateController:
         for node in nodes:
             with reporter.step(f"Start host {node.host.config.address}"):
                 node.host.start_host()
-                if node in self.stopped_storage_nodes:
-                    self.stopped_storage_nodes.remove(node)
+                self.stopped_services.difference_update(self._get_stopped_by_node(node))
 
-                if node in self.stopped_s3_gates:
-                    self.stopped_s3_gates.remove(node)
         self.stopped_nodes = []
-        wait_all_storage_nodes_returned(self.shell, self.cluster)
+        self.wait_after_storage_startup()
 
     @run_optionally(optionals.OPTIONAL_FAILOVER_ENABLED)
     @reporter.step_deco("Detach disk {device} at {mountpoint} on node {node}")
@@ -133,42 +130,58 @@ class ClusterStateController:
             disk_controller.attach()
         self.detached_disks = {}
 
-    @run_optionally(optionals.OPTIONAL_FAILOVER_ENABLED)
-    @reporter.step_deco("Stop storage service on {node}")
-    def stop_storage_service(self, node: ClusterNode, mask: bool = True):
-        self.stopped_storage_nodes.append(node)
-        node.storage_node.stop_service(mask)
-
     @run_optionally(optionals.OPTIONAL_FAILOVER_ENABLED)
     @reporter.step_deco("Stop all {service_type} services")
-    def stop_services_of_type(self, service_type: type[ServiceClass]):
+    def stop_services_of_type(self, service_type: type[ServiceClass], mask: bool = True):
         services = self.cluster.services(service_type)
         self.stopped_services.update(services)
-        parallel([service.stop_service for service in services])
+        parallel([service.stop_service for service in services], mask=mask)
 
     @run_optionally(optionals.OPTIONAL_FAILOVER_ENABLED)
     @reporter.step_deco("Start all {service_type} services")
     def start_services_of_type(self, service_type: type[ServiceClass]):
         services = self.cluster.services(service_type)
         parallel([service.start_service for service in services])
+        self.stopped_services.difference_update(set(services))
 
         if service_type == StorageNode:
-            wait_all_storage_nodes_returned(self.shell, self.cluster)
+            self.wait_after_storage_startup()
 
-        self.stopped_services = self.stopped_services - set(services)
+    @wait_for_success(600, 60)
+    def wait_s3gate(self, s3gate: S3Gate):
+        with reporter.step(f"Wait for {s3gate} reconnection"):
+            result = s3gate.get_metric("frostfs_s3_gw_pool_current_nodes")
+            assert (
+                'address="127.0.0.1' in result.stdout
+            ), "S3Gate should connect to local storage node"
+
+    @reporter.step_deco("Wait for S3Gates reconnection to local storage")
+    def wait_s3gates(self):
+        online_s3gates = self._get_online(S3Gate)
+        if online_s3gates:
+            parallel(self.wait_s3gate, online_s3gates)
+
+    @wait_for_success(600, 60)
+    def wait_tree_healthcheck(self):
+        nodes = self.cluster.nodes(self._get_online(StorageNode))
+        parallel(self.healthcheck.tree_healthcheck, nodes)
+
+    @reporter.step_deco("Wait for storage reconnection to the system")
+    def wait_after_storage_startup(self):
+        wait_all_storage_nodes_returned(self.shell, self.cluster)
+        self.wait_s3gates()
+        self.wait_tree_healthcheck()
 
     @run_optionally(optionals.OPTIONAL_FAILOVER_ENABLED)
     @reporter.step_deco("Start all stopped services")
     def start_all_stopped_services(self):
+        stopped_storages = self._get_stopped_by_type(StorageNode)
         parallel([service.start_service for service in self.stopped_services])
-
-        for service in self.stopped_services:
-            if isinstance(service, StorageNode):
-                wait_all_storage_nodes_returned(self.shell, self.cluster)
-                break
-
         self.stopped_services.clear()
 
+        if stopped_storages:
+            self.wait_after_storage_startup()
+
     @run_optionally(optionals.OPTIONAL_FAILOVER_ENABLED)
     @reporter.step_deco("Stop {service_type} service on {node}")
     def stop_service_of_type(
@@ -183,50 +196,78 @@ class ClusterStateController:
     def start_service_of_type(self, node: ClusterNode, service_type: type[ServiceClass]):
         service = node.service(service_type)
         service.start_service()
-        if service in self.stopped_services:
-            self.stopped_services.remove(service)
+        self.stopped_services.discard(service)
 
+    @run_optionally(optionals.OPTIONAL_FAILOVER_ENABLED)
+    @reporter.step_deco("Start all stopped {service_type} services")
+    def start_stopped_services_of_type(self, service_type: type[ServiceClass]):
+        stopped_svc = self._get_stopped_by_type(service_type)
+        if not stopped_svc:
+            return
+
+        parallel([svc.start_service for svc in stopped_svc])
+        self.stopped_services.difference_update(stopped_svc)
+
+        if service_type == StorageNode:
+            self.wait_after_storage_startup()
+
+    # TODO: Deprecated
+    @run_optionally(optionals.OPTIONAL_FAILOVER_ENABLED)
+    @reporter.step_deco("Stop all storage services on cluster")
+    def stop_all_storage_services(self, reversed_order: bool = False):
+        nodes = (
+            reversed(self.cluster.cluster_nodes) if reversed_order else self.cluster.cluster_nodes
+        )
+
+        for node in nodes:
+            self.stop_service_of_type(node, StorageNode)
+
+    # TODO: Deprecated
+    @run_optionally(optionals.OPTIONAL_FAILOVER_ENABLED)
+    @reporter.step_deco("Stop all S3 gates on cluster")
+    def stop_all_s3_gates(self, reversed_order: bool = False):
+        nodes = (
+            reversed(self.cluster.cluster_nodes) if reversed_order else self.cluster.cluster_nodes
+        )
+
+        for node in nodes:
+            self.stop_service_of_type(node, S3Gate)
+
+    # TODO: Deprecated
+    @run_optionally(optionals.OPTIONAL_FAILOVER_ENABLED)
+    @reporter.step_deco("Stop storage service on {node}")
+    def stop_storage_service(self, node: ClusterNode, mask: bool = True):
+        self.stop_service_of_type(node, StorageNode, mask)
+
+    # TODO: Deprecated
     @run_optionally(optionals.OPTIONAL_FAILOVER_ENABLED)
     @reporter.step_deco("Start storage service on {node}")
     def start_storage_service(self, node: ClusterNode):
-        node.storage_node.start_service()
-        self.stopped_storage_nodes.remove(node)
+        self.start_service_of_type(node, StorageNode)
 
+    # TODO: Deprecated
     @run_optionally(optionals.OPTIONAL_FAILOVER_ENABLED)
     @reporter.step_deco("Start stopped storage services")
     def start_stopped_storage_services(self):
-        if not self.stopped_storage_nodes:
-            return
-
-        # In case if we stopped couple services, for example (s01-s04):
-        # After starting only s01, it may require connections to s02-s04, which is still down, and fail to start.
-        # Also, if something goes wrong here, we might skip s02-s04 start at all, and cluster will be left in a bad state.
-        # So in order to make sure that services are at least attempted to be started, using parallel runs here.
-        parallel(self.start_storage_service, copy.copy(self.stopped_storage_nodes))
-
-        wait_all_storage_nodes_returned(self.shell, self.cluster)
-        self.stopped_storage_nodes = []
+        self.start_stopped_services_of_type(StorageNode)
 
+    # TODO: Deprecated
     @run_optionally(optionals.OPTIONAL_FAILOVER_ENABLED)
     @reporter.step_deco("Stop s3 gate on {node}")
     def stop_s3_gate(self, node: ClusterNode, mask: bool = True):
-        node.s3_gate.stop_service(mask)
-        self.stopped_s3_gates.append(node)
+        self.stop_service_of_type(node, S3Gate, mask)
 
+    # TODO: Deprecated
     @run_optionally(optionals.OPTIONAL_FAILOVER_ENABLED)
     @reporter.step_deco("Start s3 gate on {node}")
     def start_s3_gate(self, node: ClusterNode):
-        node.s3_gate.start_service()
-        self.stopped_s3_gates.remove(node)
+        self.start_service_of_type(node, S3Gate)
 
+    # TODO: Deprecated
     @run_optionally(optionals.OPTIONAL_FAILOVER_ENABLED)
     @reporter.step_deco("Start stopped S3 gates")
     def start_stopped_s3_gates(self):
-        if not self.stopped_s3_gates:
-            return
-
-        parallel(self.start_s3_gate, copy.copy(self.stopped_s3_gates))
-        self.stopped_s3_gates = []
+        self.start_stopped_services_of_type(S3Gate)
 
     @run_optionally(optionals.OPTIONAL_FAILOVER_ENABLED)
     @reporter.step_deco("Suspend {process_name} service in {node}")
@@ -312,7 +353,9 @@ class ClusterStateController:
 
     @run_optionally(optionals.OPTIONAL_FAILOVER_ENABLED)
     @reporter.step_deco("Hard reboot host {node} via magic SysRq option")
-    def panic_reboot_host(self, node: ClusterNode, wait_for_return: bool = True):
+    def panic_reboot_host(
+        self, node: ClusterNode, wait_for_return: bool = True, tree_healthcheck: bool = True
+    ):
         shell = node.host.get_shell()
         shell.exec('sudo sh -c "echo 1 > /proc/sys/kernel/sysrq"')
 
@@ -329,6 +372,8 @@ class ClusterStateController:
             time.sleep(10)
             wait_for_host_online(self.shell, node.storage_node)
             wait_for_node_online(node.storage_node)
+            if tree_healthcheck:
+                self.wait_tree_healthcheck()
 
     @reporter.step_deco("Down {interface} to {nodes}")
     def down_interface(self, nodes: list[ClusterNode], interface: str):

src/frostfs_testlib/storage/dataclasses/node_base.py

@@ -1,12 +1,15 @@
 from abc import abstractmethod
 from dataclasses import dataclass
+from datetime import datetime, timezone
 from typing import Optional, TypedDict, TypeVar
 
 import yaml
+from dateutil import parser
 
 from frostfs_testlib.hosting.config import ServiceConfig
 from frostfs_testlib.hosting.interfaces import Host
 from frostfs_testlib.reporter import get_reporter
+from frostfs_testlib.shell.interfaces import CommandResult
 from frostfs_testlib.storage.constants import ConfigAttributes
 from frostfs_testlib.testing.readable import HumanReadableABC
 from frostfs_testlib.utils import wallet_utils
@@ -67,6 +70,12 @@ class NodeBase(HumanReadableABC):
     def service_healthcheck(self) -> bool:
         """Service healthcheck."""
 
+    # TODO: Migrate to sub-class Metrcis (not yet exists :))
+    def get_metric(self, metric: str) -> CommandResult:
+        shell = self.host.get_shell()
+        result = shell.exec(f"curl -s {self.get_metrics_endpoint()} | grep -e '^{metric}'")
+        return result
+
     def get_metrics_endpoint(self) -> str:
         return self._get_attribute(ConfigAttributes.ENDPOINT_PROMETHEUS)
 
@@ -157,6 +166,15 @@ class NodeBase(HumanReadableABC):
     def _get_service_config(self) -> ServiceConfig:
         return self.host.get_service_config(self.name)
 
+    def get_service_uptime(self, service: str) -> datetime:
+        result = self.host.get_shell().exec(
+            f"systemctl show {service} --property ActiveEnterTimestamp | cut -d '=' -f 2"
+        )
+        start_time = parser.parse(result.stdout.strip())
+        current_time = datetime.now(tz=timezone.utc)
+        active_time = current_time - start_time
+        return active_time
+
 
 ServiceClass = TypeVar("ServiceClass", bound=NodeBase)
 

src/frostfs_testlib/utils/__init__.py

@@ -3,6 +3,3 @@ import frostfs_testlib.utils.datetime_utils
 import frostfs_testlib.utils.json_utils
 import frostfs_testlib.utils.string_utils
 import frostfs_testlib.utils.wallet_utils
-
-# TODO: Circullar dependency FileKeeper -> NodeBase -> Utils -> FileKeeper -> NodeBase
-from frostfs_testlib.utils.file_keeper import FileKeeper

src/frostfs_testlib/utils/failover_utils.py

@@ -12,6 +12,7 @@ from frostfs_testlib.steps.node_management import storage_node_healthcheck
 from frostfs_testlib.steps.storage_policy import get_nodes_with_object
 from frostfs_testlib.storage.cluster import Cluster, ClusterNode, NodeBase, StorageNode
 from frostfs_testlib.storage.dataclasses.frostfs_services import MorphChain
+from frostfs_testlib.testing.parallel import parallel
 from frostfs_testlib.testing.test_control import retry, wait_for_success
 from frostfs_testlib.utils.datetime_utils import parse_time
 
@@ -26,12 +27,17 @@ def ping_host(shell: Shell, host: Host):
     return shell.exec(f"ping {host.config.address} -c 1", options).return_code
 
 
+# TODO: Move to ClusterStateController
 @reporter.step_deco("Wait for storage nodes returned to cluster")
 def wait_all_storage_nodes_returned(shell: Shell, cluster: Cluster) -> None:
-    for node in cluster.services(StorageNode):
-        with reporter.step(f"Run health check for storage at '{node}'"):
-            wait_for_host_online(shell, node)
-            wait_for_node_online(node)
+    nodes = cluster.services(StorageNode)
+    parallel(_wait_for_storage_node, nodes, shell=shell)
+
+
+@reporter.step_deco("Run health check for storage at '{node}'")
+def _wait_for_storage_node(node: StorageNode, shell: Shell) -> None:
+    wait_for_host_online(shell, node)
+    wait_for_node_online(node)
 
 
 @retry(max_attempts=60, sleep_interval=5, expected_result=0)
@@ -64,10 +70,17 @@ def wait_for_node_online(node: StorageNode):
     except Exception as err:
         logger.warning(f"Node healthcheck fails with error {err}")
         return False
+    finally:
+        gather_socket_info(node)
 
     return health_check.health_status == "READY" and health_check.network_status == "ONLINE"
 
 
+@reporter.step_deco("Gather socket info for {node}")
+def gather_socket_info(node: StorageNode):
+    node.host.get_shell().exec("ss -tuln | grep 8080", CommandOptions(check=False))
+
+
 @reporter.step_deco("Check and return  status of given service")
 def service_status(service: str, shell: Shell) -> str:
     return shell.exec(f"sudo systemctl is-active {service}").stdout.rstrip()