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94 lines
2.8 KiB
Python
94 lines
2.8 KiB
Python
#!/usr/bin/env python3
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import time
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import pytest
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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node1 = cluster.add_instance("node1", with_zookeeper=True, stay_alive=True)
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node2 = cluster.add_instance("node2", with_zookeeper=True, stay_alive=True)
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@pytest.fixture(scope="module")
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def start_cluster():
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try:
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cluster.start()
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yield cluster
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except Exception as ex:
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print(ex)
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finally:
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cluster.shutdown()
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def remove_part_from_disk(node, table, part_name):
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part_path = node.query(
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"SELECT path FROM system.parts WHERE table = '{}' and name = '{}'".format(
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table, part_name
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)
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).strip()
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if not part_path:
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raise Exception("Part " + part_name + "doesn't exist")
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node.exec_in_container(
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["bash", "-c", "rm -r {p}/*".format(p=part_path)], privileged=True
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)
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def test_lost_part_during_startup(start_cluster):
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for i, node in enumerate([node1, node2]):
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node.query(
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f"CREATE TABLE test_lost (value UInt64) Engine = ReplicatedMergeTree('/clickhouse/test_lost', '{i + 1}') ORDER BY tuple()"
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)
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for i in range(4):
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node2.query(f"INSERT INTO test_lost VALUES({i})")
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node2.query("OPTIMIZE TABLE test_lost FINAL")
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node1.query("SYSTEM SYNC REPLICA test_lost")
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assert (
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node2.query("SELECT sum(value) FROM test_lost")
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== str(sum(i for i in range(4))) + "\n"
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)
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assert (
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node1.query("SELECT sum(value) FROM test_lost")
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== str(sum(i for i in range(4))) + "\n"
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)
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remove_part_from_disk(node2, "test_lost", "all_0_3_1")
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remove_part_from_disk(node2, "test_lost", "all_1_1_0")
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remove_part_from_disk(node2, "test_lost", "all_2_2_0")
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node2.stop_clickhouse()
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node1.stop_clickhouse()
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node2.start_clickhouse()
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for i in range(10):
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try:
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node2.query("INSERT INTO test_lost VALUES(7)")
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node2.query("INSERT INTO test_lost VALUES(8)")
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node2.query("INSERT INTO test_lost VALUES(9)")
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node2.query("INSERT INTO test_lost VALUES(10)")
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node2.query("INSERT INTO test_lost VALUES(11)")
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node2.query("INSERT INTO test_lost VALUES(12)")
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node2.query("OPTIMIZE TABLE test_lost FINAL")
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break
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except Exception as ex:
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print("Exception", ex)
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time.sleep(0.5)
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node1.start_clickhouse()
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node2.query("SYSTEM SYNC REPLICA test_lost")
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node1.query("SYSTEM SYNC REPLICA test_lost")
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assert (
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node2.query("SELECT sum(value) FROM test_lost")
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== str(sum(i for i in range(4)) + sum(i for i in range(7, 13))) + "\n"
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)
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assert (
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node1.query("SELECT sum(value) FROM test_lost")
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== str(sum(i for i in range(4)) + sum(i for i in range(7, 13))) + "\n"
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)
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