Add disks management commands

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

.gitignore

@@ -7,4 +7,5 @@
 
 # ignore build artifacts
 /dist
+/build
 *.egg-info

src/neofs_testlib/hosting/docker_host.py

@@ -10,7 +10,7 @@ import docker
 from requests import HTTPError
 
 from neofs_testlib.hosting.config import ParsedAttributes
-from neofs_testlib.hosting.interfaces import Host
+from neofs_testlib.hosting.interfaces import DiskInfo, Host
 from neofs_testlib.shell import LocalShell, Shell, SSHShell
 from neofs_testlib.shell.command_inspectors import SudoInspector
 
@@ -127,6 +127,15 @@ class DockerHost(Host):
         cmd = f"rm -rf {volume_path}/meta*" if cache_only else f"rm -rf {volume_path}/*"
         shell.exec(cmd)
 
+    def attach_disk(self, device: str, disk_info: DiskInfo) -> None:
+        raise NotImplementedError("Not supported for docker")
+
+    def detach_disk(self, device: str) -> DiskInfo:
+        raise NotImplementedError("Not supported for docker")
+
+    def is_disk_attached(self, device: str, disk_info: DiskInfo) -> bool:
+        raise NotImplementedError("Not supported for docker")
+
     def dump_logs(
         self,
         directory_path: str,

src/neofs_testlib/hosting/interfaces.py

@@ -1,11 +1,15 @@
 from abc import ABC, abstractmethod
 from datetime import datetime
-from typing import Optional
+from typing import Any, Optional
 
 from neofs_testlib.hosting.config import CLIConfig, HostConfig, ServiceConfig
 from neofs_testlib.shell.interfaces import Shell
 
 
+class DiskInfo(dict):
+    """Dict wrapper for disk_info for disk management commands."""
+
+
 class Host(ABC):
     """Interface of a host machine where neoFS services are running.
 
@@ -109,6 +113,40 @@ class Host(ABC):
             cache_only: To delete cache only.
         """
 
+    @abstractmethod
+    def detach_disk(self, device: str) -> DiskInfo:
+        """Detaches disk device to simulate disk offline/failover scenario.
+
+        Args:
+            device: Device name to detach
+
+        Returns:
+            internal service disk info related to host plugin (i.e. volume id for cloud devices),
+            which may be used to identify or re-attach existing volume back
+        """
+
+    @abstractmethod
+    def attach_disk(self, device: str, disk_info: DiskInfo) -> None:
+        """Attaches disk device back.
+
+        Args:
+            device: Device name to attach
+            service_info: any info required for host plugin to identify/attach disk
+        """
+
+    @abstractmethod
+    def is_disk_attached(self, device: str, disk_info: DiskInfo) -> bool:
+        """Checks if disk device is attached.
+
+        Args:
+            device: Device name to check
+            service_info: any info required for host plugin to identify disk
+
+        Returns:
+            True if attached
+            False if detached
+        """
+
     @abstractmethod
     def dump_logs(
         self,