mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-27 18:12:02 +00:00
130 lines
3.5 KiB
Python
130 lines
3.5 KiB
Python
import pytest
|
|
from helpers.cluster import ClickHouseCluster
|
|
import helpers.keeper_utils as keeper_utils
|
|
import time
|
|
|
|
cluster = ClickHouseCluster(__file__)
|
|
node1 = cluster.add_instance(
|
|
"node1",
|
|
main_configs=["configs/enable_keeper1.xml"],
|
|
stay_alive=True,
|
|
)
|
|
node2 = cluster.add_instance(
|
|
"node2",
|
|
main_configs=["configs/enable_keeper2.xml"],
|
|
stay_alive=True,
|
|
)
|
|
node3 = cluster.add_instance(
|
|
"node3",
|
|
main_configs=["configs/enable_keeper3.xml"],
|
|
stay_alive=True,
|
|
)
|
|
|
|
from kazoo.client import KazooClient, KazooState
|
|
|
|
|
|
@pytest.fixture(scope="module")
|
|
def started_cluster():
|
|
try:
|
|
cluster.start()
|
|
|
|
yield cluster
|
|
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
|
|
def smaller_exception(ex):
|
|
return "\n".join(str(ex).split("\n")[0:2])
|
|
|
|
|
|
def wait_nodes():
|
|
keeper_utils.wait_nodes(cluster, [node1, node2, node3])
|
|
|
|
|
|
def get_fake_zk(nodename, timeout=30.0):
|
|
_fake_zk_instance = KazooClient(
|
|
hosts=cluster.get_instance_ip(nodename) + ":9181", timeout=timeout
|
|
)
|
|
_fake_zk_instance.start()
|
|
return _fake_zk_instance
|
|
|
|
|
|
def test_single_node_broken_log(started_cluster):
|
|
try:
|
|
wait_nodes()
|
|
node1_conn = get_fake_zk("node1")
|
|
|
|
# Cleanup
|
|
if node1_conn.exists("/test_broken_log") != None:
|
|
node1_conn.delete("/test_broken_log")
|
|
|
|
node1_conn.create("/test_broken_log")
|
|
for _ in range(10):
|
|
node1_conn.create(f"/test_broken_log/node", b"somedata1", sequence=True)
|
|
|
|
def verify_nodes(zk_conn):
|
|
children = zk_conn.get_children("/test_broken_log")
|
|
assert len(children) == 10
|
|
|
|
for child in children:
|
|
assert zk_conn.get("/test_broken_log/" + child)[0] == b"somedata1"
|
|
|
|
verify_nodes(node1_conn)
|
|
|
|
node1_conn.stop()
|
|
node1_conn.close()
|
|
|
|
node1.stop_clickhouse()
|
|
|
|
# wait until cluster stabilizes with a new leader
|
|
while not keeper_utils.is_leader(
|
|
started_cluster, node2
|
|
) and not keeper_utils.is_leader(started_cluster, node3):
|
|
time.sleep(1)
|
|
|
|
node1.exec_in_container(
|
|
[
|
|
"truncate",
|
|
"-s",
|
|
"-50",
|
|
"/var/lib/clickhouse/coordination/log/changelog_1_100000.bin",
|
|
]
|
|
)
|
|
node1.start_clickhouse()
|
|
keeper_utils.wait_until_connected(cluster, node1)
|
|
|
|
node1_conn = get_fake_zk("node1")
|
|
node1_conn.create(f"/test_broken_log_final_node", b"somedata1")
|
|
|
|
verify_nodes(node1_conn)
|
|
assert node1_conn.get("/test_broken_log_final_node")[0] == b"somedata1"
|
|
|
|
node2_conn = get_fake_zk("node2")
|
|
verify_nodes(node2_conn)
|
|
assert node2_conn.get("/test_broken_log_final_node")[0] == b"somedata1"
|
|
|
|
node3_conn = get_fake_zk("node2")
|
|
verify_nodes(node3_conn)
|
|
assert node3_conn.get("/test_broken_log_final_node")[0] == b"somedata1"
|
|
|
|
assert (
|
|
node1.exec_in_container(["ls", "/var/lib/clickhouse/coordination/log"])
|
|
== "changelog_1_100000.bin\nchangelog_14_100013.bin\n"
|
|
)
|
|
assert (
|
|
node2.exec_in_container(["ls", "/var/lib/clickhouse/coordination/log"])
|
|
== "changelog_1_100000.bin\n"
|
|
)
|
|
assert (
|
|
node3.exec_in_container(["ls", "/var/lib/clickhouse/coordination/log"])
|
|
== "changelog_1_100000.bin\n"
|
|
)
|
|
finally:
|
|
try:
|
|
for zk_conn in [node1_conn, node2_conn, node3_conn]:
|
|
zk_conn.stop()
|
|
zk_conn.close()
|
|
except:
|
|
pass
|