frostfs-testcases/pytest_tests/testsuites/failovers/test_failover_network.py

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import logging
from random import choices
from time import sleep
import allure
import pytest
from common import (
STORAGE_NODE_SSH_PASSWORD,
STORAGE_NODE_SSH_PRIVATE_KEY_PATH,
STORAGE_NODE_SSH_USER,
)
from failover_utils import wait_all_storage_node_returned, wait_object_replication_on_nodes
from file_helper import generate_file, get_file_hash
from iptables_helper import IpTablesHelper
from neofs_testlib.hosting import Hosting
from python_keywords.container import create_container
from python_keywords.neofs_verbs import get_object, put_object
from ssh_helper import HostClient
from wellknown_acl import PUBLIC_ACL
logger = logging.getLogger("NeoLogger")
STORAGE_NODE_COMMUNICATION_PORT = "8080"
STORAGE_NODE_COMMUNICATION_PORT_TLS = "8082"
PORTS_TO_BLOCK = [STORAGE_NODE_COMMUNICATION_PORT, STORAGE_NODE_COMMUNICATION_PORT_TLS]
blocked_hosts = []
@pytest.fixture(autouse=True)
@allure.step("Restore network")
def restore_network(hosting: Hosting):
yield
not_empty = len(blocked_hosts) != 0
for host in list(blocked_hosts):
with allure.step(f"Start storage node {host}"):
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():
IpTablesHelper.restore_input_traffic_to_port(client, PORTS_TO_BLOCK)
blocked_hosts.remove(host)
if not_empty:
wait_all_storage_node_returned(hosting)
@allure.title("Block Storage node traffic")
@pytest.mark.failover
@pytest.mark.failover_net
def test_block_storage_node_traffic(prepare_wallet_and_deposit, client_shell, require_multiple_hosts):
"""
Block storage nodes traffic using iptables and wait for replication for objects.
"""
wallet = prepare_wallet_and_deposit
placement_rule = "REP 2 IN X CBF 2 SELECT 2 FROM * AS X"
excluded_nodes = []
wakeup_node_timeout = 10 # timeout to let nodes detect that traffic has blocked
nodes_to_block_count = 2
source_file_path = generate_file()
cid = create_container(wallet, shell=client_shell, rule=placement_rule, basic_acl=PUBLIC_ACL)
oid = put_object(wallet, source_file_path, cid, shell=client_shell)
nodes = wait_object_replication_on_nodes(wallet, cid, oid, 2, shell=client_shell)
logger.info(f"Nodes are {nodes}")
random_nodes = [(node, node.split(":")[0]) for node in nodes]
if nodes_to_block_count > len(nodes):
random_nodes = [(node, node.split(":")[0]) for node in choices(nodes, k=2)]
for random_node, random_node_ip in random_nodes:
client = HostClient(
ip=random_node_ip,
login=STORAGE_NODE_SSH_USER,
password=STORAGE_NODE_SSH_PASSWORD,
private_key_path=STORAGE_NODE_SSH_PRIVATE_KEY_PATH,
)
with allure.step(f"Block incoming traffic for node {random_node} on port {PORTS_TO_BLOCK}"):
with client.create_ssh_connection():
IpTablesHelper.drop_input_traffic_to_port(client, PORTS_TO_BLOCK)
blocked_hosts.append(random_node_ip)
excluded_nodes.append(random_node)
sleep(wakeup_node_timeout)
new_nodes = wait_object_replication_on_nodes(
wallet, cid, oid, 2, excluded_nodes=excluded_nodes
)
assert random_node not in new_nodes
got_file_path = get_object(wallet, cid, oid, shell=client_shell, endpoint=new_nodes[0])
assert get_file_hash(source_file_path) == get_file_hash(got_file_path)
for random_node, random_node_ip in random_nodes:
client = HostClient(
ip=random_node_ip,
login=STORAGE_NODE_SSH_USER,
password=STORAGE_NODE_SSH_PASSWORD,
private_key_path=STORAGE_NODE_SSH_PRIVATE_KEY_PATH,
)
with allure.step(
f"Unblock incoming traffic for node {random_node} on port {PORTS_TO_BLOCK}"
):
with client.create_ssh_connection():
IpTablesHelper.restore_input_traffic_to_port(client, PORTS_TO_BLOCK)
blocked_hosts.remove(random_node_ip)
sleep(wakeup_node_timeout)
new_nodes = wait_object_replication_on_nodes(wallet, cid, oid, 2, shell=client_shell)
got_file_path = get_object(wallet, cid, oid, shell=client_shell, endpoint=new_nodes[0])
assert get_file_hash(source_file_path) == get_file_hash(got_file_path)