Remove step for iptables installation

Installation of iptables was implemented in environment preparation pipeline and tests
do not need to worry about it.
Removed conditions that were checking pytest mode vs robot mode, because we got rid of
robot tests in this branch of codebase.

Signed-off-by: Vladimir Domnich <v.domnich@yadro.com>

pytest_tests/testsuites/failovers/test_failover_network.py

@@ -6,7 +6,7 @@ import allure
 import pytest
 
 from common import (STORAGE_NODE_SSH_PRIVATE_KEY_PATH, STORAGE_NODE_SSH_USER,
-                    STORAGE_NODE_SSH_PASSWORD, NEOFS_NETMAP_DICT)
+                    STORAGE_NODE_SSH_PASSWORD)
 from failover_utils import wait_all_storage_node_returned, wait_object_replication_on_nodes
 from iptables_helper import IpTablesHelper
 from python_keywords.container import create_container
@@ -22,25 +22,6 @@ PORTS_TO_BLOCK = [STORAGE_NODE_COMMUNICATION_PORT, STORAGE_NODE_COMMUNICATION_PO
 blocked_hosts = []
 
 
-@pytest.fixture(autouse=True)
-@allure.step('Install iptables if needed')
-def install_iptables_if_needed():
-    check_command = 'sudo iptables --version'
-    install_command = 'sudo apt-get --yes install iptables'
-    for node_config in NEOFS_NETMAP_DICT.values():
-        host = node_config.get('rpc').split(':')[0]
-        client = HostClient(ip=host, login=STORAGE_NODE_SSH_USER,
-                            password=STORAGE_NODE_SSH_PASSWORD,
-                            private_key_path=STORAGE_NODE_SSH_PRIVATE_KEY_PATH)
-        with client.create_ssh_connection():
-            try:
-                client.exec(check_command)
-            except AssertionError as err:
-                logger.info(f'Command {check_command} fails with error {err}')
-                client.exec(install_command)
-                client.exec(check_command)
-
-
 @pytest.fixture(autouse=True)
 @allure.step('Restore network')
 def restore_network():

robot/resources/lib/python_keywords/cli_helpers.py

@@ -100,7 +100,6 @@ def _configure_aws_cli(cmd: str, key_id: str, access_key: str, out_format: str =
 
 def _attach_allure_log(cmd: str, output: str, return_code: int, start_time: datetime,
                        end_time: datetime) -> None:
-    if 'robot' not in sys.modules:
     command_attachment = (
         f"COMMAND: '{cmd}'\n"
         f'OUTPUT:\n {output}\n'
@@ -113,7 +112,6 @@ def _attach_allure_log(cmd: str, output: str, return_code: int, start_time: date
 
 def log_command_execution(cmd: str, output: Union[str, dict]) -> None:
     logger.info(f'{cmd}: {output}')
-    if 'robot' not in sys.modules:
     with suppress(Exception):
         json_output = json.dumps(output, indent=4, sort_keys=True)
         output = json_output

robot/resources/lib/python_keywords/epoch.py

@@ -1,6 +1,4 @@
 #!/usr/bin/python3.9
-import sys
-
 import allure
 from robot.api import logger
 from robot.api.deco import keyword
@@ -40,7 +38,6 @@ def tick_epoch():
             err = str(exc)
             raise RuntimeError("Failed to tick epoch") from exc
         finally:
-            if 'allure' in sys.modules:
             allure.attach((
                 f'COMMAND: {cmd}\n'
                 f'OUTPUT:\n {out}\n'

robot/resources/lib/python_keywords/http_gate.py

@@ -173,7 +173,6 @@ def get_via_http_curl(cid: str, oid: str) -> str:
 
 
 def _attach_allure_step(request: str, status_code: int, req_type='GET'):
-    if 'allure' in sys.modules:
     command_attachment = (
         f"REQUEST: '{request}'\n"
         f'RESPONSE:\n {status_code}\n'