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/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

@@ -10,7 +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
@@ -54,6 +55,9 @@ 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]

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

@@ -85,12 +85,14 @@ class ClusterStateController:
 
     @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")
@@ -350,7 +352,9 @@ 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"')
 
@@ -367,6 +371,8 @@ 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/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()