Add metabase and write_cache operations

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

src/frostfs_testlib/hosting/docker_host.py

@@ -129,12 +129,18 @@ 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")
 
     def delete_blobovnicza(self, service_name: str) -> None:
         raise NotImplementedError("Not implemented for docker")
-    
+
     def delete_pilorama(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:
         """