frostfs-testcases/pytest_tests/testsuites/failovers/test_failover_network.py
a.y.volkov 642af0a888 Add test for network failover
Signed-off-by: a.y.volkov <a.y.volkov@yadro.com>
2022-08-05 13:29:31 +03:00

118 lines
5 KiB
Python

import logging
from random import choices
from time import sleep
import allure
import pytest
from common import STORAGE_NODE_SSH_PRIVATE_KEY_PATH, STORAGE_NODE_SSH_USER, STORAGE_NODE_SSH_PASSWORD, \
NEOFS_NETMAP_DICT
from iptables_helper import IpTablesHelper
from python_keywords.container import create_container
from python_keywords.neofs_verbs import get_object, put_object
from python_keywords.utility_keywords import generate_file, get_file_hash
from ssh_helper import HostClient
from wellknown_acl import PUBLIC_ACL
from .failover_utils import wait_all_storage_node_returned, wait_object_replication_on_nodes
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('Install iptables if needed')
def install_iptables_if_needed():
check_command = 'iptables --version'
install_command = '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():
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()
@allure.title('Block Storage node traffic')
@pytest.mark.failover
@pytest.mark.failover_net
def test_block_storage_node_traffic(prepare_wallet_and_deposit, free_storage_check):
"""
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, rule=placement_rule, basic_acl=PUBLIC_ACL)
oid = put_object(wallet, source_file_path, cid)
nodes = wait_object_replication_on_nodes(wallet, cid, oid, 2)
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, 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)
got_file_path = get_object(wallet, cid, oid, endpoint=new_nodes[0])
assert get_file_hash(source_file_path) == get_file_hash(got_file_path)