Add metabase and write_cache operations

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

pyproject.toml

@@ -16,7 +16,7 @@ classifiers = [
 ]
 keywords = ["frostfs", "test"]
 dependencies = [
-    "allure-python-commons>=2.9.45",
+    "allure-python-commons>=2.13.2",
     "docker>=4.4.0",
     "importlib_metadata>=5.0; python_version < '3.10'",
     "neo-mamba==1.0.0",

src/frostfs_testlib/hosting/docker_host.py

@@ -129,6 +129,12 @@ class DockerHost(Host):
             timeout=service_attributes.start_timeout,
         )
 
+    def delete_metabase(self, service_name: str) -> None:
+        raise NotImplementedError("Not implemented for docker")
+
+    def delete_write_cache(self, service_name: str) -> None:
+        raise NotImplementedError("Not implemented for docker")
+
     def delete_fstree(self, service_name: str) -> None:
         raise NotImplementedError("Not implemented for docker")
 

src/frostfs_testlib/hosting/interfaces.py

@@ -131,6 +131,26 @@ class Host(ABC):
 
         """
 
+    @abstractmethod
+    def delete_metabase(self, service_name: str) -> None:
+        """
+        Deletes all metabase*.db in the node.
+
+        Args:
+            service_name: Name of storage node service.
+
+        """
+
+    @abstractmethod
+    def delete_write_cache(self, service_name: str) -> None:
+        """
+        Deletes all write_cache in the node.
+
+        Args:
+            service_name: Name of storage node service.
+
+        """
+
     @abstractmethod
     def delete_blobovnicza(self, service_name: str) -> None:
         """

src/frostfs_testlib/load/load_report.py

@@ -61,7 +61,7 @@ class LoadReport:
         return html
 
     def _calc_unit(self, value: float, skip_units: int = 0) -> Tuple[float, str]:
-        units = ["B", "KB", "MB", "GB", "TB"]
+        units = ["B", "KiB", "MiB", "GiB", "TiB"]
 
         for unit in units[skip_units:]:
             if value < 1024:

src/frostfs_testlib/storage/cluster.py

@@ -73,6 +73,21 @@ class ClusterNode:
     def s3_gate(self) -> S3Gate:
         return self.service(S3Gate)
 
+    def get_config(self, config_file_path: str) -> dict:
+        shell = self.host.get_shell()
+
+        result = shell.exec(f"cat {config_file_path}")
+        config_text = result.stdout
+
+        config = yaml.safe_load(config_text)
+        return config
+
+    def save_config(self, new_config: dict, config_file_path: str) -> None:
+        shell = self.host.get_shell()
+
+        config_str = yaml.dump(new_config)
+        shell.exec(f"echo '{config_str}' | sudo tee {config_file_path}")
+
     def service(self, service_type: type[ServiceClass]) -> ServiceClass:
         """
         Get a service cluster node of specified type.

src/frostfs_testlib/storage/controllers/cluster_state_controller.py

@@ -1,11 +1,11 @@
 import time
+from concurrent.futures import ThreadPoolExecutor
 
 import frostfs_testlib.resources.optionals as optionals
 from frostfs_testlib.reporter import get_reporter
 from frostfs_testlib.shell import CommandOptions, Shell
 from frostfs_testlib.steps import epoch
 from frostfs_testlib.storage.cluster import Cluster, ClusterNode, StorageNode
-from frostfs_testlib.steps.node_management import wait_for_node_to_be_ready
 from frostfs_testlib.storage.controllers.disk_controller import DiskController
 from frostfs_testlib.testing.test_control import run_optionally, wait_for_success
 from frostfs_testlib.utils.failover_utils import (
@@ -22,7 +22,7 @@ class ClusterStateController:
     def __init__(self, shell: Shell, cluster: Cluster) -> None:
         self.stopped_nodes: list[ClusterNode] = []
         self.detached_disks: dict[str, DiskController] = {}
-        self.stopped_storage_nodes: list[StorageNode] = []
+        self.stopped_storage_nodes: list[ClusterNode] = []
         self.cluster = cluster
         self.shell = shell
 
@@ -48,6 +48,16 @@ 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("Start host of node {node}")
     def start_node_host(self, node: ClusterNode):
@@ -92,19 +102,31 @@ class ClusterStateController:
     @reporter.step_deco("Stop storage service on {node}")
     def stop_storage_service(self, node: ClusterNode):
         node.storage_node.stop_service()
-        self.stopped_storage_nodes.append(node.storage_node)
+        self.stopped_storage_nodes.append(node)
 
     @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.storage_node)
+        self.stopped_storage_nodes.remove(node)
 
     @run_optionally(optionals.OPTIONAL_FAILOVER_ENABLED)
     @reporter.step_deco("Start stopped storage services")
     def start_stopped_storage_services(self):
-        for node in self.stopped_storage_nodes:
+        if self.stopped_storage_nodes:
-            node.start_service()
+            # 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 threads here.
+            with ThreadPoolExecutor(max_workers=len(self.stopped_storage_nodes)) as executor:
+                start_result = executor.map(self.start_storage_service, self.stopped_storage_nodes)
+
+            # Looks tricky, but if exception is raised in any thread, it will be "eaten" by ThreadPoolExecutor,
+            # But will be thrown here.
+            # Not ideal solution, but okay for now
+            for _ in start_result:
+                pass
+
         wait_all_storage_nodes_returned(self.shell, self.cluster)
         self.stopped_storage_nodes = []
 

src/frostfs_testlib/storage/dataclasses/frostfs_services.py

@@ -177,6 +177,12 @@ class StorageNode(NodeBase):
     def delete_pilorama(self):
         self.host.delete_pilorama(self.name)
 
+    def delete_metabase(self):
+        self.host.delete_metabase(self.name)
+
+    def delete_write_cache(self):
+        self.host.delete_write_cache(self.name)
+
     @property
     def label(self) -> str:
         return f"{self.name}: {self.get_rpc_endpoint()}"

src/frostfs_testlib/storage/dataclasses/node_base.py

@@ -1,6 +1,8 @@
 from abc import ABC, abstractmethod
 from dataclasses import dataclass
-from typing import Optional, TypedDict, TypeVar
+from typing import Optional, Tuple, TypedDict, TypeVar
+
+import yaml
 
 from frostfs_testlib.hosting.config import ServiceConfig
 from frostfs_testlib.hosting.interfaces import Host
@@ -84,12 +86,29 @@ class NodeBase(ABC):
             ConfigAttributes.CONFIG_PATH,
         )
 
-    def get_wallet_config_path(self):
+    def get_wallet_config_path(self) -> str:
         return self._get_attribute(
             ConfigAttributes.LOCAL_WALLET_CONFIG,
             ConfigAttributes.WALLET_CONFIG,
         )
 
+    def get_config(self) -> Tuple[str, dict]:
+        config_file_path = self._get_attribute(ConfigAttributes.CONFIG_PATH)
+        shell = self.host.get_shell()
+
+        result = shell.exec(f"cat {config_file_path}")
+        config_text = result.stdout
+
+        config = yaml.safe_load(config_text)
+        return config_file_path, config
+
+    def save_config(self, new_config: dict) -> None:
+        config_file_path = self._get_attribute(ConfigAttributes.CONFIG_PATH)
+        shell = self.host.get_shell()
+
+        config_str = yaml.dump(new_config)
+        shell.exec(f"echo '{config_str}' | sudo tee {config_file_path}")
+
     def get_wallet_public_key(self):
         storage_wallet_path = self.get_wallet_path()
         storage_wallet_pass = self.get_wallet_password()

src/frostfs_testlib/utils/failover_utils.py

@@ -28,8 +28,8 @@ def ping_host(shell: Shell, host: Host):
 
 @reporter.step_deco("Wait for storage nodes returned to cluster")
 def wait_all_storage_nodes_returned(shell: Shell, cluster: Cluster) -> None:
-    with reporter.step("Run health check for all storage nodes"):
+    for node in cluster.services(StorageNode):
-        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)
 
@@ -56,7 +56,7 @@ def wait_for_host_offline(shell: Shell, node: StorageNode):
         return 0
 
 
-@retry(max_attempts=10, sleep_interval=15, expected_result=True)
+@retry(max_attempts=20, sleep_interval=30, expected_result=True)
 @reporter.step_deco("Waiting for node {node} to go online")
 def wait_for_node_online(node: StorageNode):
     try:

src/frostfs_testlib/utils/file_keeper.py

@@ -0,0 +1,50 @@
+from concurrent.futures import ThreadPoolExecutor
+
+from frostfs_testlib.reporter import get_reporter
+from frostfs_testlib.storage.dataclasses.node_base import NodeBase
+
+reporter = get_reporter()
+
+
+class FileKeeper:
+    """This class is responsible to make backup copy of modified file and restore when required (mostly after the test)"""
+
+    files_to_restore: dict[NodeBase, list[str]] = {}
+
+    @reporter.step_deco("Adding {file_to_restore} from node {node} to restore list")
+    def add(self, node: NodeBase, file_to_restore: str):
+        if node in self.files_to_restore and file_to_restore in self.files_to_restore[node]:
+            # Already added
+            return
+
+        if node not in self.files_to_restore:
+            self.files_to_restore[node] = []
+
+        if file_to_restore not in self.files_to_restore[node]:
+            self.files_to_restore[node].append(file_to_restore)
+
+        shell = node.host.get_shell()
+        shell.exec(f"cp {file_to_restore} {file_to_restore}.bak")
+
+    @reporter.step_deco("Restore files")
+    def restore_files(self):
+        nodes = self.files_to_restore.keys()
+        if not nodes:
+            return
+
+        with ThreadPoolExecutor(max_workers=len(nodes)) as executor:
+            results = executor.map(self._restore_files_on_node, nodes)
+
+        self.files_to_restore.clear()
+
+        for _ in results:
+            # Iterate through results for exception check if any
+            pass
+
+    @reporter.step_deco("Restore files on node {node}")
+    def _restore_files_on_node(self, node: NodeBase):
+        shell = node.host.get_shell()
+        for file_to_restore in self.files_to_restore[node]:
+            with reporter.step(f"Restore file {file_to_restore} on node {node}"):
+                shell.exec(f"cp {file_to_restore}.bak {file_to_restore}")
+                shell.exec(f"rm {file_to_restore}.bak")