mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-16 04:32:33 +00:00
96 lines
2.9 KiB
Python
96 lines
2.9 KiB
Python
import time
|
|
import pytest
|
|
import os
|
|
|
|
from helpers.cluster import ClickHouseCluster
|
|
from helpers.client import QueryRuntimeException
|
|
from helpers.test_tools import assert_eq_with_retry
|
|
|
|
|
|
cluster = ClickHouseCluster(__file__, zookeeper_config_path='configs/zookeeper.xml')
|
|
node = cluster.add_instance('node', with_zookeeper=True)
|
|
|
|
SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
|
|
ZK_CONFIG_PATH = os.path.join(SCRIPT_DIR, 'configs/zookeeper.xml')
|
|
|
|
|
|
@pytest.fixture(scope="module")
|
|
def start_cluster():
|
|
try:
|
|
cluster.start()
|
|
node.query(
|
|
'''
|
|
CREATE TABLE test_table(date Date, id UInt32)
|
|
ENGINE = ReplicatedMergeTree('/clickhouse/tables/shard1/test/test_table', '1')
|
|
PARTITION BY toYYYYMM(date)
|
|
ORDER BY id
|
|
''')
|
|
|
|
yield cluster
|
|
finally:
|
|
config.close()
|
|
cluster.shutdown()
|
|
|
|
def test_reload_zookeeper(start_cluster):
|
|
|
|
def wait_zookeeper_node_to_start(zk_nodes, timeout=60):
|
|
start = time.time()
|
|
while time.time() - start < timeout:
|
|
try:
|
|
for instance in zk_nodes:
|
|
conn = start_cluster.get_kazoo_client(instance)
|
|
conn.get_children('/')
|
|
print("All instances of ZooKeeper started")
|
|
return
|
|
except Exception as ex:
|
|
print(("Can't connect to ZooKeeper " + str(ex)))
|
|
time.sleep(0.5)
|
|
|
|
node.query("INSERT INTO test_table(date, id) select today(), number FROM numbers(1000)")
|
|
|
|
## remove zoo2, zoo3 from configs
|
|
new_config =
|
|
"""
|
|
<yandex>
|
|
<zookeeper>
|
|
<node index="1">
|
|
<host>zoo1</host>
|
|
<port>2181</port>
|
|
</node>
|
|
<session_timeout_ms>2000</session_timeout_ms>
|
|
</zookeeper>
|
|
</yandex >
|
|
"""
|
|
node.replace_config("/etc/clickhouse-server/conf.d/zookeeper.xml", new_config)
|
|
## config reloads, but can still work
|
|
assert_eq_with_retry(node, "SELECT COUNT() FROM test_table", '1000', retry_count=120, sleep_time=0.5)
|
|
|
|
## stop all zookeepers, table will be readonly
|
|
cluster.stop_zookeeper_nodes(["zoo1", "zoo2", "zoo3"])
|
|
with pytest.raises(QueryRuntimeException):
|
|
node.query("SELECT COUNT() FROM test_table")
|
|
|
|
## start zoo2, zoo3, table will be readonly too, because it only connect to zoo1
|
|
cluster.start_zookeeper_nodes(["zoo2", "zoo3"])
|
|
wait_zookeeper_node_to_start(["zoo2", "zoo3"])
|
|
with pytest.raises(QueryRuntimeException):
|
|
node.query("SELECT COUNT() FROM test_table")
|
|
|
|
## set config to zoo2, server will be normal
|
|
new_config =
|
|
"""
|
|
<yandex>
|
|
<zookeeper>
|
|
<node index="1">
|
|
<host>zoo2</host>
|
|
<port>2181</port>
|
|
</node>
|
|
<session_timeout_ms>2000</session_timeout_ms>
|
|
</zookeeper>
|
|
</yandex>
|
|
"""
|
|
node.replace_config("/etc/clickhouse-server/conf.d/zookeeper.xml", new_config)
|
|
|
|
assert_eq_with_retry(node, "SELECT COUNT() FROM test_table", '1000', retry_count=120, sleep_time=0.5)
|
|
|