ClickHouse/tests/integration/test_reload_auxiliary_zookeepers/test.py

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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
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cluster = ClickHouseCluster(__file__)
node = cluster.add_instance("node", with_zookeeper=True)
@pytest.fixture(scope="module")
def start_cluster():
try:
cluster.start()
yield cluster
finally:
cluster.shutdown()
def test_reload_auxiliary_zookeepers(start_cluster):
node.query(
"CREATE TABLE simple (date Date, id UInt32) ENGINE = ReplicatedMergeTree('/clickhouse/tables/0/simple', 'node') ORDER BY tuple() PARTITION BY date;"
)
node.query("INSERT INTO simple VALUES ('2020-08-27', 1)")
node.query(
"CREATE TABLE simple2 (date Date, id UInt32) ENGINE = ReplicatedMergeTree('/clickhouse/tables/1/simple', 'node') ORDER BY tuple() PARTITION BY date;"
)
# Add an auxiliary zookeeper
new_config = """<yandex>
<zookeeper>
<node index="1">
<host>zoo1</host>
<port>2181</port>
</node>
<node index="2">
<host>zoo2</host>
<port>2181</port>
</node>
<node index="3">
<host>zoo3</host>
<port>2181</port>
</node>
<session_timeout_ms>2000</session_timeout_ms>
</zookeeper>
<auxiliary_zookeepers>
<zookeeper2>
<node index="1">
<host>zoo1</host>
<port>2181</port>
</node>
<node index="2">
<host>zoo2</host>
<port>2181</port>
</node>
</zookeeper2>
</auxiliary_zookeepers>
</yandex>"""
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node.replace_config("/etc/clickhouse-server/conf.d/zookeeper_config.xml", new_config)
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node.query("SYSTEM RELOAD CONFIG")
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time.sleep(5)
node.query(
"ALTER TABLE simple2 FETCH PARTITION '2020-08-27' FROM 'zookeeper2:/clickhouse/tables/0/simple';"
)
node.query("ALTER TABLE simple2 ATTACH PARTITION '2020-08-27';")
assert node.query("SELECT id FROM simple2").strip() == "1"
new_config = """<yandex>
<zookeeper>
<node index="1">
<host>zoo2</host>
<port>2181</port>
</node>
<session_timeout_ms>2000</session_timeout_ms>
</zookeeper>
</yandex>"""
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node.replace_config("/etc/clickhouse-server/conf.d/zookeeper_config.xml", new_config)
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node.query("SYSTEM RELOAD CONFIG")
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time.sleep(5)
with pytest.raises(QueryRuntimeException):
node.query(
"ALTER TABLE simple2 FETCH PARTITION '2020-08-27' FROM 'zookeeper2:/clickhouse/tables/0/simple';"
)
assert node.query("SELECT id FROM simple2").strip() == "1"