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106 lines
2.9 KiB
Python
106 lines
2.9 KiB
Python
#!/usr/bin/env python3
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import pytest
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from helpers.cluster import ClickHouseCluster
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import os
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from kazoo.client import KazooClient, KazooState
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cluster = ClickHouseCluster(__file__)
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CONFIG_DIR = os.path.join(os.path.dirname(os.path.realpath(__file__)), "configs")
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node1 = cluster.add_instance(
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"node1", main_configs=["configs/enable_keeper1.xml"], stay_alive=True
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)
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node2 = cluster.add_instance(
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"node2", main_configs=["configs/enable_keeper2.xml"], stay_alive=True
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)
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node3 = cluster.add_instance(
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"node3", main_configs=["configs/enable_keeper3.xml"], stay_alive=True
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)
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@pytest.fixture(scope="module")
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def started_cluster():
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try:
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cluster.start()
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yield cluster
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finally:
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cluster.shutdown()
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def get_fake_zk(node, timeout=30.0):
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_fake_zk_instance = KazooClient(
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hosts=cluster.get_instance_ip(node.name) + ":9181", timeout=timeout
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)
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_fake_zk_instance.start()
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return _fake_zk_instance
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def test_nodes_remove(started_cluster):
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zk_conn = get_fake_zk(node1)
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for i in range(100):
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zk_conn.create("/test_two_" + str(i), b"somedata")
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zk_conn2 = get_fake_zk(node2)
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zk_conn2.sync("/test_two_0")
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zk_conn3 = get_fake_zk(node3)
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zk_conn3.sync("/test_two_0")
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for i in range(100):
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assert zk_conn2.exists("test_two_" + str(i)) is not None
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assert zk_conn3.exists("test_two_" + str(i)) is not None
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node2.copy_file_to_container(
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os.path.join(CONFIG_DIR, "enable_keeper_two_nodes_2.xml"),
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"/etc/clickhouse-server/config.d/enable_keeper2.xml",
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)
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node1.copy_file_to_container(
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os.path.join(CONFIG_DIR, "enable_keeper_two_nodes_1.xml"),
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"/etc/clickhouse-server/config.d/enable_keeper1.xml",
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)
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node1.query("SYSTEM RELOAD CONFIG")
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node2.query("SYSTEM RELOAD CONFIG")
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zk_conn2 = get_fake_zk(node2)
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for i in range(100):
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assert zk_conn2.exists("test_two_" + str(i)) is not None
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zk_conn2.create("/test_two_" + str(100 + i), b"otherdata")
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zk_conn = get_fake_zk(node1)
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zk_conn.sync("/test_two_0")
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for i in range(100):
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assert zk_conn.exists("test_two_" + str(i)) is not None
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assert zk_conn.exists("test_two_" + str(100 + i)) is not None
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with pytest.raises(Exception):
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zk_conn3 = get_fake_zk(node3)
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zk_conn3.sync("/test_two_0")
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node3.stop_clickhouse()
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node1.copy_file_to_container(
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os.path.join(CONFIG_DIR, "enable_single_keeper1.xml"),
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"/etc/clickhouse-server/config.d/enable_keeper1.xml",
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)
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node1.query("SYSTEM RELOAD CONFIG")
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zk_conn = get_fake_zk(node1)
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zk_conn.sync("/test_two_0")
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for i in range(100):
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assert zk_conn.exists("test_two_" + str(i)) is not None
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assert zk_conn.exists("test_two_" + str(100 + i)) is not None
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with pytest.raises(Exception):
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zk_conn2 = get_fake_zk(node2)
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zk_conn2.sync("/test_two_0")
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node2.stop_clickhouse()
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