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https://github.com/ClickHouse/ClickHouse.git
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168 lines
6.0 KiB
Python
168 lines
6.0 KiB
Python
# pylint: disable=line-too-long
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# pylint: disable=unused-argument
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# pylint: disable=redefined-outer-name:
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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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from helpers.network import PartitionManager
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from helpers.test_tools import assert_eq_with_retry
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cluster = ClickHouseCluster(__file__)
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def _fill_nodes(nodes, shard):
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for node in nodes:
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node.query(
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'''
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CREATE DATABASE test;
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CREATE TABLE real_table(date Date, id UInt32, dummy UInt32)
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ENGINE = MergeTree(date, id, 8192);
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CREATE TABLE other_table(date Date, id UInt32, dummy UInt32)
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ENGINE = MergeTree(date, id, 8192);
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CREATE TABLE test_table(date Date, id UInt32, dummy UInt32)
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ENGINE = ReplicatedMergeTree('/clickhouse/tables/test{shard}/replicated', '{replica}', date, id, 8192);
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'''.format(shard=shard, replica=node.name))
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node1 = cluster.add_instance('node1', main_configs=['configs/remote_servers.xml'], with_zookeeper=True)
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node2 = cluster.add_instance('node2', main_configs=['configs/remote_servers.xml'], with_zookeeper=True)
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@pytest.fixture(scope="module")
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def normal_work():
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try:
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cluster.start()
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_fill_nodes([node1, node2], 1)
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yield cluster
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finally:
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cluster.shutdown()
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def test_normal_work(normal_work):
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node1.query("insert into test_table values ('2017-06-16', 111, 0)")
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node1.query("insert into real_table values ('2017-06-16', 222, 0)")
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assert_eq_with_retry(node1, "SELECT id FROM test_table order by id", '111')
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assert_eq_with_retry(node1, "SELECT id FROM real_table order by id", '222')
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assert_eq_with_retry(node2, "SELECT id FROM test_table order by id", '111')
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node1.query("ALTER TABLE test_table REPLACE PARTITION 201706 FROM real_table")
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assert_eq_with_retry(node1, "SELECT id FROM test_table order by id", '222')
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assert_eq_with_retry(node2, "SELECT id FROM test_table order by id", '222')
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node3 = cluster.add_instance('node3', main_configs=['configs/remote_servers.xml'], with_zookeeper=True)
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node4 = cluster.add_instance('node4', main_configs=['configs/remote_servers.xml'], with_zookeeper=True)
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@pytest.fixture(scope="module")
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def drop_failover():
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try:
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cluster.start()
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_fill_nodes([node3, node4], 2)
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yield cluster
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finally:
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cluster.shutdown()
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def test_drop_failover(drop_failover):
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node3.query("insert into test_table values ('2017-06-16', 111, 0)")
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node3.query("insert into real_table values ('2017-06-16', 222, 0)")
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assert_eq_with_retry(node3, "SELECT id FROM test_table order by id", '111')
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assert_eq_with_retry(node3, "SELECT id FROM real_table order by id", '222')
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assert_eq_with_retry(node4, "SELECT id FROM test_table order by id", '111')
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with PartitionManager() as pm:
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# Hinder replication between replicas
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pm.partition_instances(node3, node4, port=9009)
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# Disconnect Node4 from zookeper
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pm.drop_instance_zk_connections(node4)
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node3.query("ALTER TABLE test_table REPLACE PARTITION 201706 FROM real_table")
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# Node3 replace is ok
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assert_eq_with_retry(node3, "SELECT id FROM test_table order by id", '222')
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# Network interrupted -- replace is not ok, but it's ok
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assert_eq_with_retry(node4, "SELECT id FROM test_table order by id", '111')
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# Drop partition on source node
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node3.query("ALTER TABLE test_table DROP PARTITION 201706")
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# Wait few seconds for connection to zookeeper to be restored
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time.sleep(5)
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msg = node4.query_with_retry(
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"select last_exception from system.replication_queue where type = 'REPLACE_RANGE'",
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check_callback=lambda x: 'Not found part' not in x, sleep_time=1)
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assert 'Not found part' not in msg
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assert_eq_with_retry(node4, "SELECT id FROM test_table order by id", '')
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node5 = cluster.add_instance('node5', main_configs=['configs/remote_servers.xml'], with_zookeeper=True)
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node6 = cluster.add_instance('node6', main_configs=['configs/remote_servers.xml'], with_zookeeper=True)
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@pytest.fixture(scope="module")
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def replace_after_replace_failover():
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try:
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cluster.start()
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_fill_nodes([node5, node6], 3)
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yield cluster
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finally:
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cluster.shutdown()
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def test_replace_after_replace_failover(replace_after_replace_failover):
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node5.query("insert into test_table values ('2017-06-16', 111, 0)")
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node5.query("insert into real_table values ('2017-06-16', 222, 0)")
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node5.query("insert into other_table values ('2017-06-16', 333, 0)")
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assert_eq_with_retry(node5, "SELECT id FROM test_table order by id", '111')
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assert_eq_with_retry(node5, "SELECT id FROM real_table order by id", '222')
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assert_eq_with_retry(node5, "SELECT id FROM other_table order by id", '333')
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assert_eq_with_retry(node6, "SELECT id FROM test_table order by id", '111')
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with PartitionManager() as pm:
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# Hinder replication between replicas
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pm.partition_instances(node5, node6, port=9009)
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# Disconnect Node6 from zookeper
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pm.drop_instance_zk_connections(node6)
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node5.query("ALTER TABLE test_table REPLACE PARTITION 201706 FROM real_table")
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# Node5 replace is ok
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assert_eq_with_retry(node5, "SELECT id FROM test_table order by id", '222')
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# Network interrupted -- replace is not ok, but it's ok
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assert_eq_with_retry(node6, "SELECT id FROM test_table order by id", '111')
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# Replace partition on source node
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node5.query("ALTER TABLE test_table REPLACE PARTITION 201706 FROM other_table")
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assert_eq_with_retry(node5, "SELECT id FROM test_table order by id", '333')
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# Wait few seconds for connection to zookeeper to be restored
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time.sleep(5)
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msg = node6.query_with_retry(
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"select last_exception from system.replication_queue where type = 'REPLACE_RANGE'",
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check_callback=lambda x: 'Not found part' not in x, sleep_time=1)
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assert 'Not found part' not in msg
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assert_eq_with_retry(node6, "SELECT id FROM test_table order by id", '333')
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