440 lines
19 KiB
Python
440 lines
19 KiB
Python
import logging
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import os
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import random
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import re
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import time
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from time import sleep
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import allure
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import pytest
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from frostfs_testlib.resources.common import MORPH_BLOCK_TIME
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from frostfs_testlib.resources.wellknown_acl import PUBLIC_ACL
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from frostfs_testlib.s3 import AwsCliClient
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from frostfs_testlib.s3.interfaces import S3ClientWrapper, VersioningStatus
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from frostfs_testlib.steps.cli.container import (
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create_container,
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list_objects,
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search_nodes_with_container,
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)
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from frostfs_testlib.steps.cli.object import get_object, get_object_nodes, put_object_to_random_node
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from frostfs_testlib.steps.s3.s3_helper import set_bucket_versioning
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from frostfs_testlib.storage.cluster import Cluster, ClusterNode
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from frostfs_testlib.storage.controllers import ClusterStateController
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from frostfs_testlib.storage.dataclasses.object_size import ObjectSize
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from frostfs_testlib.testing.cluster_test_base import ClusterTestBase
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from frostfs_testlib.utils import datetime_utils
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from frostfs_testlib.utils.failover_utils import (
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wait_all_storage_nodes_returned,
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wait_object_replication,
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)
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from frostfs_testlib.utils.file_utils import generate_file, get_file_hash
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logger = logging.getLogger("NeoLogger")
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STORAGE_NODE_COMMUNICATION_PORT = "8080"
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STORAGE_NODE_COMMUNICATION_PORT_TLS = "8082"
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PORTS_TO_BLOCK = [STORAGE_NODE_COMMUNICATION_PORT, STORAGE_NODE_COMMUNICATION_PORT_TLS]
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blocked_nodes: list[ClusterNode] = []
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def pytest_generate_tests(metafunc):
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if "s3_client" in metafunc.fixturenames:
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metafunc.parametrize(
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"s3_client, auth_container_placement_policy",
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[
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(
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AwsCliClient,
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"REP $ALPHABET_NODE_COUNT$ SELECT 4 FROM ALPHA FILTER 'role' EQ 'alphabet' AS ALPHA",
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)
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],
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ids=["aws"],
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indirect=True,
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)
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@pytest.mark.failover
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@pytest.mark.failover_network
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class TestFailoverNetwork(ClusterTestBase):
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@pytest.fixture(autouse=True)
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@allure.title("Restore network")
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def restore_network(self, cluster_state_controller: ClusterStateController):
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yield
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with allure.step(f"Count blocked nodes {len(blocked_nodes)}"):
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not_empty = len(blocked_nodes) != 0
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for node in list(blocked_nodes):
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with allure.step(f"Restore network at host for {node.label}"):
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cluster_state_controller.restore_traffic(mode="ports", node=node)
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blocked_nodes.remove(node)
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if not_empty:
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wait_all_storage_nodes_returned(self.shell, self.cluster)
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@allure.title("Block Storage node traffic")
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def test_block_storage_node_traffic(
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self,
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default_wallet: str,
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require_multiple_hosts,
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simple_object_size: ObjectSize,
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cluster_state_controller: ClusterStateController,
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):
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"""
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Block storage nodes traffic using iptables and wait for replication for objects.
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"""
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wallet = default_wallet
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placement_rule = "REP 2 IN X CBF 2 SELECT 2 FROM * AS X"
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wakeup_node_timeout = 10 # timeout to let nodes detect that traffic has blocked
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nodes_to_block_count = 2
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source_file_path = generate_file(simple_object_size.value)
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cid = create_container(
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wallet,
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shell=self.shell,
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endpoint=self.cluster.default_rpc_endpoint,
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rule=placement_rule,
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basic_acl=PUBLIC_ACL,
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)
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oid = put_object_to_random_node(
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wallet, source_file_path, cid, shell=self.shell, cluster=self.cluster
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)
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nodes = wait_object_replication(
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cid, oid, 2, shell=self.shell, nodes=self.cluster.storage_nodes
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)
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logger.info(f"Nodes are {nodes}")
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nodes_to_block = nodes
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if nodes_to_block_count > len(nodes):
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# TODO: the intent of this logic is not clear, need to revisit
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nodes_to_block = random.choices(nodes, k=2)
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excluded_nodes = []
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for node in nodes_to_block:
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with allure.step(f"Block incoming traffic at node {node} on port {PORTS_TO_BLOCK}"):
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block_node = [
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cluster_node
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for cluster_node in self.cluster.cluster_nodes
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if cluster_node.storage_node == node
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]
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blocked_nodes.append(*block_node)
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excluded_nodes.append(node)
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cluster_state_controller.drop_traffic(
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mode="ports",
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node=node,
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wakeup_timeout=wakeup_node_timeout,
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ports=PORTS_TO_BLOCK,
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)
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with allure.step(f"Check object is not stored on node {node}"):
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new_nodes = wait_object_replication(
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cid,
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oid,
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2,
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shell=self.shell,
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nodes=list(set(self.cluster.storage_nodes) - set(excluded_nodes)),
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)
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assert node not in new_nodes
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with allure.step("Check object data is not corrupted"):
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got_file_path = get_object(
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wallet, cid, oid, endpoint=new_nodes[0].get_rpc_endpoint(), shell=self.shell
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)
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assert get_file_hash(source_file_path) == get_file_hash(got_file_path)
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for node in nodes_to_block:
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with allure.step(f"Unblock incoming traffic at host {node} on port {PORTS_TO_BLOCK}"):
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cluster_state_controller.restore_traffic(mode="ports", node=node)
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block_node = [
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cluster_node
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for cluster_node in self.cluster.cluster_nodes
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if cluster_node.storage_node == node
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]
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blocked_nodes.remove(*block_node)
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sleep(wakeup_node_timeout)
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with allure.step("Check object data is not corrupted"):
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new_nodes = wait_object_replication(
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cid, oid, 2, shell=self.shell, nodes=self.cluster.storage_nodes
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)
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got_file_path = get_object(
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wallet, cid, oid, shell=self.shell, endpoint=new_nodes[0].get_rpc_endpoint()
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)
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assert get_file_hash(source_file_path) == get_file_hash(got_file_path)
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@pytest.mark.failover
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@pytest.mark.failover_split_brain
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class TestFailoverSplitBrain(ClusterTestBase):
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@pytest.fixture(autouse=True)
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def restore_traffic_system(self, cluster_state_controller: ClusterStateController) -> None:
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yield
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cluster_state_controller.restore_all_traffic()
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def search_container_bucket(self, bucket):
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output = self.shell.exec(
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f"curl -k --head https://{self.cluster.default_rpc_endpoint.split(':')[0]}/{bucket}"
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).stdout.strip()
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pattern = r"x-container-id: (.*)"
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matches = re.findall(pattern, output)
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if matches:
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return matches[0]
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else:
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return logger.info(f"Key {pattern} no search")
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def split_nodes(self, nodes_list: list[ClusterNode]) -> tuple[list[ClusterNode], ...]:
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count = len(nodes_list)
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splitted = []
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free_nodes = list(set(self.cluster.cluster_nodes) - set(nodes_list))
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for i in range(count):
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splitted.append(nodes_list[i::count] + free_nodes[i::count])
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return tuple(s for s in splitted)
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@allure.title(
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"Replication tree after split brain, versioning bucket (placement_policy={auth_container_placement_policy}, s3_client={s3_client})",
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)
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def test_versioning_bucket_after_split_brain(
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self,
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cluster_state_controller: ClusterStateController,
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bucket: str,
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s3_client: S3ClientWrapper,
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default_wallet,
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simple_object_size: ObjectSize,
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):
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object_version = []
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with allure.step(f"Search ID container for bucket - {bucket}"):
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bucket_cid = self.search_container_bucket(bucket)
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with allure.step(f"Check, container - {bucket_cid}, which is located on 4 nodes"):
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container_nodes = search_nodes_with_container(
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wallet=default_wallet,
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cid=bucket_cid,
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shell=self.shell,
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endpoint=self.cluster.default_rpc_endpoint,
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cluster=self.cluster,
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)
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assert len(container_nodes) == 4, f"Expected 4 nodes, actually - {len(container_nodes)}"
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with allure.step(f"Enable versioning in a bucket - {bucket}"):
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set_bucket_versioning(
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s3_client=s3_client, bucket=bucket, status=VersioningStatus.ENABLED
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)
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with allure.step("Check that versioning is enabled in the bucket"):
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assert s3_client.get_bucket_versioning_status(bucket) == "Enabled"
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with allure.step(f"Put an object in a bucket - {bucket}"):
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file_one = generate_file(simple_object_size.value)
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object_version.append(
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s3_client.put_object(
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bucket=bucket,
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filepath=file_one,
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)
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)
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os.remove(file_one)
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with allure.step("Check that the object is placed in the bucket and it is alone there"):
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list_objects_versions = s3_client.list_objects_versions(bucket=bucket)
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assert (
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len(list_objects_versions) == 1
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), f"Expected 1, actual {len(list_objects_versions)}"
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with allure.step("Find the ID of the placed object"):
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oid = list_objects(
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wallet=default_wallet,
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shell=self.shell,
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container_id=bucket_cid,
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endpoint=self.cluster.default_rpc_endpoint,
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)
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with allure.step(f"Find the nodes on which the object lies - {oid}"):
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objects_nodes = get_object_nodes(
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cluster=self.cluster,
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wallet=default_wallet,
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cid=bucket_cid,
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oid=oid[0],
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shell=self.shell,
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endpoint=self.cluster.default_rpc_endpoint,
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)
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with allure.step("Split cluster"):
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segment_one, segment_two = self.split_nodes(objects_nodes)
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with allure.step(f"Enable splitting on nodes - {segment_one}"):
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for node in segment_one:
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cluster_state_controller.drop_traffic(
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mode="nodes", node=node, wakeup_timeout=60, block_nodes=segment_two
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)
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with allure.step(f"Checking ping from {node} to {segment_two}, expected False"):
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assert (
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cluster_state_controller.ping_traffic(node, segment_two, 1) is True
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), "Expected True"
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for node in segment_two:
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with allure.step(f"Checking ping from {node} to {segment_two}, expected False"):
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assert (
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cluster_state_controller.ping_traffic(node, segment_one, 1) is True
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), "Expected True"
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with allure.step("Put the 2nd version of the same object on both halves of the cluster"):
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for node in objects_nodes:
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file = generate_file(simple_object_size.value)
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with allure.step(f"Change s3 endpoint to - {node.s3_gate.get_endpoint()}"):
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s3_client.set_endpoint(node.s3_gate.get_endpoint())
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with allure.step(f"Put object in bucket - {bucket}"):
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object_version.append(
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s3_client.put_object(
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bucket=bucket,
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filepath=file,
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)
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)
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os.remove(file)
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time.sleep(datetime_utils.parse_time(MORPH_BLOCK_TIME))
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with allure.step(
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f"Change s3 endpoint to default - {self.cluster.default_s3_gate_endpoint}"
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):
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s3_client.set_endpoint(self.cluster.default_s3_gate_endpoint)
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with allure.step("Turn off split"):
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for node in segment_one:
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with allure.step(f"Turn off to split - {node}"):
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cluster_state_controller.restore_traffic(mode="nodes", node=node)
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with allure.step(f"Checking ping from {node} to {segment_two}, expected True"):
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assert cluster_state_controller.ping_traffic(
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node, segment_two, 0
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), "Expected True"
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for node in segment_two:
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with allure.step(f"Checking ping from {node} to {segment_one}, expected True"):
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assert cluster_state_controller.ping_traffic(
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node, segment_one, 0
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), "Expected True"
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with allure.step("Tick 1 epoch and wait 2 block"):
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self.tick_epochs(1, self.cluster.storage_nodes[0])
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time.sleep(datetime_utils.parse_time(MORPH_BLOCK_TIME) * 2)
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with allure.step(
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"Check that the nodes of both halves of the cluster contain all 3 downloaded versions"
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):
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bucket_versions = s3_client.list_objects_versions(bucket=bucket)
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bucket_versions = sorted(bucket_versions, key=lambda x: x["LastModified"])
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assert len(bucket_versions) == 3, f"Expected 3, actually {len(bucket_versions)}"
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with allure.step("Check that the latest version is the one that was uploaded last in time"):
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assert object_version[-1] == bucket_versions[-1]["VersionId"], (
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f"{object_version[-1]} " f"!= {bucket_versions[-1]['VersionId']}"
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)
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@allure.title(
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"Replication tree after split brain, no version bucket (placement_policy={auth_container_placement_policy}, s3_client={s3_client})"
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)
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def test_no_version_bucket_after_split_brain(
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self,
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cluster_state_controller: ClusterStateController,
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bucket: str,
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s3_client: S3ClientWrapper,
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default_wallet,
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simple_object_size: ObjectSize,
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):
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with allure.step(f"Search ID container for bucket - {bucket}"):
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bucket_cid = self.search_container_bucket(bucket)
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with allure.step(f"Check, container - {bucket_cid}, which is located on 4 nodes"):
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container_nodes = search_nodes_with_container(
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wallet=default_wallet,
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cid=bucket_cid,
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shell=self.shell,
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endpoint=self.cluster.default_rpc_endpoint,
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cluster=self.cluster,
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)
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assert len(container_nodes) == 4, f"Expected 4 nodes, actually - {len(container_nodes)}"
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with allure.step(f"Put an object in a bucket - {bucket}"):
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file_one = generate_file(simple_object_size.value)
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s3_client.put_object(
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bucket=bucket,
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filepath=file_one,
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)
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os.remove(file_one)
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with allure.step("Check that the object is placed in the bucket and it is alone there"):
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list_objects_versions = s3_client.list_objects_versions(bucket=bucket)
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assert (
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len(list_objects_versions) == 1
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), f"Expected 1, actual {len(list_objects_versions)}"
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with allure.step("Find the ID of the placed object"):
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oid = list_objects(
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wallet=default_wallet,
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shell=self.shell,
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container_id=bucket_cid,
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endpoint=self.cluster.default_rpc_endpoint,
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)
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with allure.step(f"Find the nodes on which the object lies - {oid}"):
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objects_nodes = get_object_nodes(
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cluster=self.cluster,
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wallet=default_wallet,
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cid=bucket_cid,
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oid=oid[0],
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shell=self.shell,
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endpoint=self.cluster.default_rpc_endpoint,
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)
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with allure.step("Split cluster"):
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segment_one, segment_two = self.split_nodes(objects_nodes)
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with allure.step(f"Enable splitting on nodes - {segment_one}"):
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for node in segment_one:
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cluster_state_controller.drop_traffic(
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mode="nodes", node=node, wakeup_timeout=60, block_nodes=segment_two
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)
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with allure.step(f"Checking ping from {node} to {segment_two}, expected False"):
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assert cluster_state_controller.ping_traffic(
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node, segment_two, 1
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), "Expected False"
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for node in segment_two:
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with allure.step(f"Checking ping from {node} to {segment_two}, expected False"):
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assert cluster_state_controller.ping_traffic(
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node, segment_one, 1
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), "Expected False"
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with allure.step("Put the 2nd version of the same object on both halves of the cluster"):
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for node in objects_nodes:
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file = generate_file(simple_object_size.value)
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with allure.step(f"Change s3 endpoint to - {node.s3_gate.get_endpoint()}"):
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s3_client.set_endpoint(node.s3_gate.get_endpoint())
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with allure.step(f"Put object in bucket - {bucket}"):
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s3_client.put_object(
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bucket=bucket,
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filepath=file,
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)
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os.remove(file)
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time.sleep(datetime_utils.parse_time(MORPH_BLOCK_TIME))
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with allure.step(
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f"Change s3 endpoint to default - {self.cluster.default_s3_gate_endpoint}"
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):
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s3_client.set_endpoint(self.cluster.default_s3_gate_endpoint)
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with allure.step("Turn off split"):
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for node in segment_one:
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with allure.step(f"Turn off to split - {node}"):
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cluster_state_controller.restore_traffic(mode="nodes", node=node)
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with allure.step(f"Checking ping from {node} to {segment_two}, expected True"):
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assert cluster_state_controller.ping_traffic(
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node, segment_two, 0
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), "Expected True"
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for node in segment_two:
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with allure.step(f"Checking ping from {node} to {segment_one}, expected True"):
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assert cluster_state_controller.ping_traffic(
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node, segment_one, 0
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), "Expected True"
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with allure.step("Tick 1 epoch and wait 2 block"):
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self.tick_epochs(1, self.cluster.storage_nodes[0])
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time.sleep(datetime_utils.parse_time(MORPH_BLOCK_TIME) * 2)
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with allure.step(
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"Check that the nodes of both halves of the cluster contain all 3 downloaded versions"
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):
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objects_bucket = s3_client.list_objects_versions(bucket=bucket)
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assert len(objects_bucket) == 3, f"Expected 3, actually {len(objects_bucket)}"
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