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72 lines
2.0 KiB
Python
72 lines
2.0 KiB
Python
import os
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import sys
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import time
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import pytest
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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node = cluster.add_instance(
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"node", with_zookeeper=True, main_configs=["configs/remote_servers.xml"]
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)
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node_1 = cluster.add_instance("node_1", with_zookeeper=True)
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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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node_1.query_with_retry("DROP TABLE IF EXISTS replicated")
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node_1.query_with_retry(
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"""CREATE TABLE replicated (id UInt32, date Date) ENGINE =
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ReplicatedMergeTree('/clickhouse/tables/replicated', 'node_1') ORDER BY id PARTITION BY toYYYYMM(date)"""
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)
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node.query_with_retry(
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"CREATE TABLE distributed (id UInt32, date Date) ENGINE = Distributed('test_cluster', 'default', 'replicated')"
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)
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yield cluster
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finally:
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cluster.shutdown()
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def test(started_cluster):
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cluster.pause_container("node_1")
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node.query("SYSTEM RELOAD CONFIG")
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node.query_and_get_error(
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"SELECT count() FROM distributed SETTINGS receive_timeout=1"
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)
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result = node.query(
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"SELECT errors_count, estimated_recovery_time FROM system.clusters WHERE cluster='test_cluster' and host_name='node_1'"
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)
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errors_count, recovery_time = map(int, result.split())
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assert errors_count == 3
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while True:
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time.sleep(1)
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result = node.query(
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"SELECT errors_count, estimated_recovery_time FROM system.clusters WHERE cluster='test_cluster' and host_name='node_1'"
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)
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prev_time = recovery_time
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errors_count, recovery_time = map(int, result.split())
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if recovery_time == 0:
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break
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assert recovery_time < prev_time
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assert errors_count > 0
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assert recovery_time == 0
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assert errors_count == 0
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cluster.unpause_container("node_1")
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