Add Iptables helper

Signed-off-by: Dmitriy Zayakin <d.zayakin@yadro.com>

src/frostfs_testlib/utils/cli_utils.py

@@ -5,18 +5,21 @@
 """
 Helper functions to use with `frostfs-cli`, `neo-go` and other CLIs.
 """
+import csv
 import json
 import logging
 import subprocess
 import sys
 from contextlib import suppress
 from datetime import datetime
+from io import StringIO
 from textwrap import shorten
-from typing import TypedDict, Union
+from typing import Dict, List, TypedDict, Union
 
 import pexpect
 
 from frostfs_testlib.reporter import get_reporter
+from frostfs_testlib.storage.dataclasses.storage_object_info import NodeNetmapInfo
 
 reporter = get_reporter()
 logger = logging.getLogger("NeoLogger")
@@ -131,3 +134,49 @@ def log_command_execution(cmd: str, output: Union[str, TypedDict]) -> None:
     command_attachment = f"COMMAND: '{cmd}'\n" f"OUTPUT:\n {output}\n"
     with reporter.step(f'COMMAND: {shorten(cmd, width=60, placeholder="...")}'):
         reporter.attach(command_attachment, "Command execution")
+
+
+def parse_netmap_output(output: str) -> list[NodeNetmapInfo]:
+    """
+    The cli command will return something like.
+
+    Epoch: 240
+    Node 1: 01234 ONLINE /ip4/10.10.10.10/tcp/8080
+        Continent: Europe
+        Country: Russia
+        CountryCode: RU
+        ExternalAddr: /ip4/10.10.11.18/tcp/8080
+        Location: Moskva
+        Node: 10.10.10.12
+        Price: 5
+        SubDiv: Moskva
+        SubDivCode: MOW
+        UN-LOCODE: RU MOW
+        role: alphabet
+
+    The code will parse each line and return each node as dataclass.
+    """
+    netmap_list = output.split("Node ")[1:]
+    dataclass_list = []
+    for node in netmap_list:
+        node = node.replace("\t", "").split("\n")
+        node = *node[0].split(" ")[1:-1], *[row.split(": ")[-1] for row in node[1:-1]]
+        dataclass_list.append(NodeNetmapInfo(*node))
+
+    return dataclass_list
+
+
+def parse_cmd_table(output: str, delimiter="|") -> list[dict[str, str]]:
+    parsing_output = []
+    reader = csv.reader(StringIO(output.strip()), delimiter=delimiter)
+    iter_reader = iter(reader)
+    header_row = next(iter_reader)
+    for row in iter_reader:
+        table = {}
+        for i in range(len(row)):
+            header = header_row[i].strip().lower().replace(" ", "_")
+            value = row[i].strip().lower()
+            if header:
+                table[header] = value
+        parsing_output.append(table)
+    return parsing_output