mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-30 03:22:14 +00:00
106 lines
2.9 KiB
Python
106 lines
2.9 KiB
Python
#!/usr/bin/env python3
|
|
|
|
import pytest
|
|
from helpers.cluster import ClickHouseCluster
|
|
import os
|
|
from kazoo.client import KazooClient, KazooState
|
|
|
|
cluster = ClickHouseCluster(__file__)
|
|
CONFIG_DIR = os.path.join(os.path.dirname(os.path.realpath(__file__)), "configs")
|
|
|
|
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
|
|
)
|
|
|
|
|
|
@pytest.fixture(scope="module")
|
|
def started_cluster():
|
|
try:
|
|
cluster.start()
|
|
|
|
yield cluster
|
|
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
|
|
def get_fake_zk(node, timeout=30.0):
|
|
_fake_zk_instance = KazooClient(
|
|
hosts=cluster.get_instance_ip(node.name) + ":9181", timeout=timeout
|
|
)
|
|
_fake_zk_instance.start()
|
|
return _fake_zk_instance
|
|
|
|
|
|
def test_nodes_remove(started_cluster):
|
|
zk_conn = get_fake_zk(node1)
|
|
|
|
for i in range(100):
|
|
zk_conn.create("/test_two_" + str(i), b"somedata")
|
|
|
|
zk_conn2 = get_fake_zk(node2)
|
|
zk_conn2.sync("/test_two_0")
|
|
|
|
zk_conn3 = get_fake_zk(node3)
|
|
zk_conn3.sync("/test_two_0")
|
|
|
|
for i in range(100):
|
|
assert zk_conn2.exists("test_two_" + str(i)) is not None
|
|
assert zk_conn3.exists("test_two_" + str(i)) is not None
|
|
|
|
node2.copy_file_to_container(
|
|
os.path.join(CONFIG_DIR, "enable_keeper_two_nodes_2.xml"),
|
|
"/etc/clickhouse-server/config.d/enable_keeper2.xml",
|
|
)
|
|
node1.copy_file_to_container(
|
|
os.path.join(CONFIG_DIR, "enable_keeper_two_nodes_1.xml"),
|
|
"/etc/clickhouse-server/config.d/enable_keeper1.xml",
|
|
)
|
|
|
|
node1.query("SYSTEM RELOAD CONFIG")
|
|
node2.query("SYSTEM RELOAD CONFIG")
|
|
|
|
zk_conn2 = get_fake_zk(node2)
|
|
|
|
for i in range(100):
|
|
assert zk_conn2.exists("test_two_" + str(i)) is not None
|
|
zk_conn2.create("/test_two_" + str(100 + i), b"otherdata")
|
|
|
|
zk_conn = get_fake_zk(node1)
|
|
zk_conn.sync("/test_two_0")
|
|
|
|
for i in range(100):
|
|
assert zk_conn.exists("test_two_" + str(i)) is not None
|
|
assert zk_conn.exists("test_two_" + str(100 + i)) is not None
|
|
|
|
with pytest.raises(Exception):
|
|
zk_conn3 = get_fake_zk(node3)
|
|
zk_conn3.sync("/test_two_0")
|
|
|
|
node3.stop_clickhouse()
|
|
|
|
node1.copy_file_to_container(
|
|
os.path.join(CONFIG_DIR, "enable_single_keeper1.xml"),
|
|
"/etc/clickhouse-server/config.d/enable_keeper1.xml",
|
|
)
|
|
|
|
node1.query("SYSTEM RELOAD CONFIG")
|
|
zk_conn = get_fake_zk(node1)
|
|
zk_conn.sync("/test_two_0")
|
|
|
|
for i in range(100):
|
|
assert zk_conn.exists("test_two_" + str(i)) is not None
|
|
assert zk_conn.exists("test_two_" + str(100 + i)) is not None
|
|
|
|
with pytest.raises(Exception):
|
|
zk_conn2 = get_fake_zk(node2)
|
|
zk_conn2.sync("/test_two_0")
|
|
|
|
node2.stop_clickhouse()
|