mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-17 13:13:36 +00:00
148 lines
4.1 KiB
Python
148 lines
4.1 KiB
Python
#!/usr/bin/env python3
|
|
|
|
import pytest
|
|
from helpers.cluster import ClickHouseCluster, ClickHouseInstance
|
|
import helpers.keeper_utils as ku
|
|
import os
|
|
import typing as tp
|
|
|
|
cluster = ClickHouseCluster(__file__)
|
|
CONFIG_DIR = os.path.join(os.path.dirname(os.path.realpath(__file__)), "configs")
|
|
|
|
node1 = cluster.add_instance("node1", main_configs=["configs/keeper1.xml"])
|
|
node2 = cluster.add_instance("node2", stay_alive=True)
|
|
node3 = cluster.add_instance("node3", stay_alive=True)
|
|
|
|
server_join_msg = "confirms it will join"
|
|
part_of_cluster = "now this node is the part of cluster"
|
|
zk1, zk2, zk3 = None, None, None
|
|
|
|
|
|
@pytest.fixture(scope="module", autouse=True)
|
|
def started_cluster():
|
|
try:
|
|
cluster.start()
|
|
|
|
node2.stop_clickhouse()
|
|
node2.copy_file_to_container(
|
|
os.path.join(CONFIG_DIR, "keeper2.xml"),
|
|
"/etc/clickhouse-server/config.d/keeper.xml",
|
|
)
|
|
|
|
node3.stop_clickhouse()
|
|
node3.copy_file_to_container(
|
|
os.path.join(CONFIG_DIR, "keeper3.xml"),
|
|
"/etc/clickhouse-server/config.d/keeper.xml",
|
|
)
|
|
|
|
yield cluster
|
|
|
|
finally:
|
|
conn: tp.Optional[ku.KeeperClient]
|
|
for conn in [zk1, zk2, zk3]:
|
|
if conn is not None:
|
|
conn.stop()
|
|
|
|
cluster.shutdown()
|
|
|
|
|
|
def create_client(node: ClickHouseInstance):
|
|
return ku.KeeperClient(
|
|
cluster.server_bin_path, cluster.get_instance_ip(node.name), 9181
|
|
)
|
|
|
|
|
|
def test_reconfig_add():
|
|
"""
|
|
Add a node to another node. Then add another node to two.
|
|
"""
|
|
global zk1, zk2, zk3
|
|
zk1 = create_client(node1)
|
|
|
|
config = zk1.get("/keeper/config")
|
|
print("Initial config", config)
|
|
|
|
assert len(config.split("\n")) == 1
|
|
assert "node1" in config
|
|
assert "node2" not in config
|
|
assert "node3" not in config
|
|
|
|
with pytest.raises(ku.KeeperException):
|
|
# duplicate id with different endpoint
|
|
zk1.reconfig(joining="server.1=localhost:1337", leaving=None, new_members=None)
|
|
|
|
with pytest.raises(ku.KeeperException):
|
|
# duplicate endpoint
|
|
zk1.reconfig(joining="server.8=node1:9234", leaving=None, new_members=None)
|
|
|
|
for i in range(100):
|
|
zk1.create(f"/test_three_{i}", "somedata")
|
|
|
|
node2.start_clickhouse()
|
|
config = zk1.reconfig(joining="server.2=node2:9234", leaving=None, new_members=None)
|
|
ku.wait_until_connected(cluster, node2)
|
|
print("After adding 2", config)
|
|
|
|
assert len(config.split("\n")) == 2
|
|
assert "node1" in config
|
|
assert "node2" in config
|
|
assert "node3" not in config
|
|
|
|
zk2 = create_client(node2)
|
|
ku.wait_configs_equal(config, zk2)
|
|
|
|
for i in range(100):
|
|
assert zk2.exists(f"/test_three_{i}")
|
|
zk2.create(f"/test_three_{100 + i}", "somedata")
|
|
|
|
# Why not both?
|
|
# One node will process add_srv request, other will pull out updated config, apply
|
|
# and return true in config update thread (without calling add_srv again)
|
|
assert node1.contains_in_log(server_join_msg) or node2.contains_in_log(
|
|
server_join_msg
|
|
)
|
|
|
|
assert node2.contains_in_log(part_of_cluster)
|
|
|
|
zk1.stop()
|
|
zk1 = create_client(node1)
|
|
zk1.sync("/test_three_0")
|
|
|
|
for i in range(200):
|
|
assert zk1.exists(f"/test_three_{i}")
|
|
|
|
for i in range(100):
|
|
zk2.create(f"/test_four_{i}", "somedata")
|
|
|
|
node3.start_clickhouse()
|
|
config = zk2.reconfig(joining="server.3=node3:9234", leaving=None, new_members=None)
|
|
ku.wait_until_connected(cluster, node3)
|
|
|
|
print("After adding 3", config)
|
|
|
|
assert len(config.split("\n")) == 3
|
|
assert "node1" in config
|
|
assert "node2" in config
|
|
assert "node3" in config
|
|
|
|
zk3 = create_client(node3)
|
|
ku.wait_configs_equal(config, zk3)
|
|
|
|
for i in range(100):
|
|
assert zk3.exists(f"/test_four_{i}")
|
|
zk3.create(f"/test_four_{100 + i}", "somedata")
|
|
|
|
zk1.stop()
|
|
zk1 = create_client(node1)
|
|
zk1.sync("/test_four_0")
|
|
|
|
zk2.stop()
|
|
zk2 = create_client(node2)
|
|
zk2.sync("/test_four_0")
|
|
|
|
for i in range(200):
|
|
assert zk1.exists(f"/test_four_{i}")
|
|
assert zk2.exists(f"/test_four_{i}")
|
|
|
|
assert node3.contains_in_log(part_of_cluster)
|