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 cluster import StorageNode
from failover_utils import wait_all_storage_nodes_returned, wait_object_replication
from file_helper import generate_file, get_file_hash
from frostfs_testlib.resources.common import PUBLIC_ACL
from iptables_helper import IpTablesHelper
from python_keywords.container import create_container
from python_keywords.frostfs_verbs import get_object, put_object_to_random_node
from steps.cluster_test_base import ClusterTestBase
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_nodes: list[StorageNode] = []
@pytest.mark.failover
@pytest.mark.failover_network
class TestFailoverNetwork(ClusterTestBase):
@pytest.fixture(autouse=True)
@allure.step("Restore network")
def restore_network(self):
yield
not_empty = len(blocked_nodes) != 0
for node in list(blocked_nodes):
with allure.step(f"Restore network at host for {node.label}"):
IpTablesHelper.restore_input_traffic_to_port(node.host.get_shell(), PORTS_TO_BLOCK)
blocked_nodes.remove(node)
if not_empty:
wait_all_storage_nodes_returned(self.cluster)
@allure.title("Block Storage node traffic")
def test_block_storage_node_traffic(
self, default_wallet, require_multiple_hosts, simple_object_size
):
"""
Block storage nodes traffic using iptables and wait for replication for objects.
"""
wallet = default_wallet
placement_rule = "REP 2 IN X CBF 2 SELECT 2 FROM * AS X"
wakeup_node_timeout = 10 # timeout to let nodes detect that traffic has blocked
nodes_to_block_count = 2
source_file_path = generate_file(simple_object_size)
cid = create_container(
wallet,
shell=self.shell,
endpoint=self.cluster.default_rpc_endpoint,
rule=placement_rule,
basic_acl=PUBLIC_ACL,
)
oid = put_object_to_random_node(
wallet, source_file_path, cid, shell=self.shell, cluster=self.cluster
)
nodes = wait_object_replication(
cid, oid, 2, shell=self.shell, nodes=self.cluster.storage_nodes
)
logger.info(f"Nodes are {nodes}")
nodes_to_block = nodes
if nodes_to_block_count > len(nodes):
# TODO: the intent of this logic is not clear, need to revisit
nodes_to_block = choices(nodes, k=2)
excluded_nodes = []
for node in nodes_to_block:
with allure.step(f"Block incoming traffic at node {node} on port {PORTS_TO_BLOCK}"):
blocked_nodes.append(node)
excluded_nodes.append(node)
IpTablesHelper.drop_input_traffic_to_port(node.host.get_shell(), PORTS_TO_BLOCK)
sleep(wakeup_node_timeout)
with allure.step(f"Check object is not stored on node {node}"):
new_nodes = wait_object_replication(
cid,
oid,
2,
shell=self.shell,
nodes=list(set(self.cluster.storage_nodes) - set(excluded_nodes)),
)
assert node not in new_nodes
with allure.step(f"Check object data is not corrupted"):
got_file_path = get_object(
wallet, cid, oid, endpoint=new_nodes[0].get_rpc_endpoint(), shell=self.shell
)
assert get_file_hash(source_file_path) == get_file_hash(got_file_path)
for node in nodes_to_block:
with allure.step(f"Unblock incoming traffic at host {node} on port {PORTS_TO_BLOCK}"):
IpTablesHelper.restore_input_traffic_to_port(node.host.get_shell(), PORTS_TO_BLOCK)
blocked_nodes.remove(node)
sleep(wakeup_node_timeout)
with allure.step(f"Check object data is not corrupted"):
new_nodes = wait_object_replication(
cid, oid, 2, shell=self.shell, nodes=self.cluster.storage_nodes
)
got_file_path = get_object(
wallet, cid, oid, shell=self.shell, endpoint=new_nodes[0].get_rpc_endpoint()
)
assert get_file_hash(source_file_path) == get_file_hash(got_file_path)