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156 lines
8.1 KiB
Python
156 lines
8.1 KiB
Python
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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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 test.test_table(date Date, id UInt32)
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ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/{shard}/replicated/test_table', '{replica}') ORDER BY id PARTITION BY toYYYYMM(date) SETTINGS min_replicated_logs_to_keep=3, max_replicated_logs_to_keep=5, cleanup_delay_period=0, cleanup_delay_period_random_add=0;
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'''.format(shard=shard, replica=node.name))
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node.query(
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'''
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CREATE DATABASE test1;
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CREATE TABLE test1.test_table(date Date, id UInt32)
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ENGINE = ReplicatedMergeTree('/clickhouse/tables/test1/{shard}/replicated/test_table', '{replica}') ORDER BY id PARTITION BY toYYYYMM(date) SETTINGS min_replicated_logs_to_keep=3, max_replicated_logs_to_keep=5, cleanup_delay_period=0, cleanup_delay_period_random_add=0;
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'''.format(shard=shard, replica=node.name))
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node.query(
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'''
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CREATE DATABASE test2;
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CREATE TABLE test2.test_table(date Date, id UInt32)
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ENGINE = ReplicatedMergeTree('/clickhouse/tables/test2/{shard}/replicated/test_table', '{replica}') ORDER BY id PARTITION BY toYYYYMM(date) SETTINGS min_replicated_logs_to_keep=3, max_replicated_logs_to_keep=5, cleanup_delay_period=0, cleanup_delay_period_random_add=0;
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'''.format(shard=shard, replica=node.name))
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node.query(
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'''
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CREATE DATABASE test3;
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CREATE TABLE test3.test_table(date Date, id UInt32)
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ENGINE = ReplicatedMergeTree('/clickhouse/tables/test3/{shard}/replicated/test_table', '{replica}') ORDER BY id PARTITION BY toYYYYMM(date) SETTINGS min_replicated_logs_to_keep=3, max_replicated_logs_to_keep=5, cleanup_delay_period=0, cleanup_delay_period_random_add=0;
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'''.format(shard=shard, replica=node.name))
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node.query(
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'''
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CREATE DATABASE test4;
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CREATE TABLE test4.test_table(date Date, id UInt32)
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ENGINE = ReplicatedMergeTree('/clickhouse/tables/test4/{shard}/replicated/test_table', '{replica}') ORDER BY id PARTITION BY toYYYYMM(date) SETTINGS min_replicated_logs_to_keep=3, max_replicated_logs_to_keep=5, cleanup_delay_period=0, cleanup_delay_period_random_add=0;
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'''.format(shard=shard, replica=node.name))
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cluster = ClickHouseCluster(__file__)
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node_1_1 = cluster.add_instance('node_1_1', with_zookeeper=True, main_configs=['configs/remote_servers.xml'])
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node_1_2 = cluster.add_instance('node_1_2', with_zookeeper=True, main_configs=['configs/remote_servers.xml'])
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node_1_3 = cluster.add_instance('node_1_3', with_zookeeper=True, main_configs=['configs/remote_servers.xml'])
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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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fill_nodes([node_1_1, node_1_2], 1)
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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 test_drop_replica(start_cluster):
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for i in range(100):
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node_1_1.query("INSERT INTO test.test_table VALUES (1, {})".format(i))
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node_1_1.query("INSERT INTO test1.test_table VALUES (1, {})".format(i))
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node_1_1.query("INSERT INTO test2.test_table VALUES (1, {})".format(i))
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node_1_1.query("INSERT INTO test3.test_table VALUES (1, {})".format(i))
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node_1_1.query("INSERT INTO test4.test_table VALUES (1, {})".format(i))
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zk = cluster.get_kazoo_client('zoo1')
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assert "can't drop local replica" in node_1_1.query_and_get_error("SYSTEM DROP REPLICA 'node_1_1'")
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assert "can't drop local replica" in node_1_1.query_and_get_error(
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"SYSTEM DROP REPLICA 'node_1_1' FROM DATABASE test")
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assert "can't drop local replica" in node_1_1.query_and_get_error(
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"SYSTEM DROP REPLICA 'node_1_1' FROM TABLE test.test_table")
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assert "it's active" in node_1_2.query_and_get_error("SYSTEM DROP REPLICA 'node_1_1'")
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assert "it's active" in node_1_2.query_and_get_error("SYSTEM DROP REPLICA 'node_1_1' FROM DATABASE test")
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assert "it's active" in node_1_2.query_and_get_error("SYSTEM DROP REPLICA 'node_1_1' FROM TABLE test.test_table")
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assert "it's active" in \
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node_1_3.query_and_get_error(
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"SYSTEM DROP REPLICA 'node_1_1' FROM ZKPATH '/clickhouse/tables/test/{shard}/replicated/test_table'".format(
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shard=1))
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assert "There is a local table" in \
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node_1_2.query_and_get_error(
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"SYSTEM DROP REPLICA 'node_1_1' FROM ZKPATH '/clickhouse/tables/test/{shard}/replicated/test_table'".format(
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shard=1))
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assert "There is a local table" in \
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node_1_1.query_and_get_error(
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"SYSTEM DROP REPLICA 'node_1_1' FROM ZKPATH '/clickhouse/tables/test/{shard}/replicated/test_table'".format(
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shard=1))
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assert "does not look like a table path" in \
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node_1_3.query_and_get_error("SYSTEM DROP REPLICA 'node_1_1' FROM ZKPATH '/clickhouse/tables/test'")
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with PartitionManager() as pm:
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## make node_1_1 dead
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pm.drop_instance_zk_connections(node_1_1)
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time.sleep(10)
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assert "doesn't exist" in node_1_3.query_and_get_error(
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"SYSTEM DROP REPLICA 'node_1_1' FROM TABLE test.test_table")
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assert "doesn't exist" in node_1_3.query_and_get_error("SYSTEM DROP REPLICA 'node_1_1' FROM DATABASE test1")
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node_1_3.query("SYSTEM DROP REPLICA 'node_1_1'")
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exists_replica_1_1 = zk.exists(
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"/clickhouse/tables/test3/{shard}/replicated/test_table/replicas/{replica}".format(shard=1,
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replica='node_1_1'))
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assert (exists_replica_1_1 != None)
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## If you want to drop a inactive/stale replicate table that does not have a local replica, you can following syntax(ZKPATH):
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node_1_3.query(
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"SYSTEM DROP REPLICA 'node_1_1' FROM ZKPATH '/clickhouse/tables/test2/{shard}/replicated/test_table'".format(
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shard=1))
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exists_replica_1_1 = zk.exists(
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"/clickhouse/tables/test2/{shard}/replicated/test_table/replicas/{replica}".format(shard=1,
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replica='node_1_1'))
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assert (exists_replica_1_1 == None)
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node_1_2.query("SYSTEM DROP REPLICA 'node_1_1' FROM TABLE test.test_table")
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exists_replica_1_1 = zk.exists(
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"/clickhouse/tables/test/{shard}/replicated/test_table/replicas/{replica}".format(shard=1,
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replica='node_1_1'))
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assert (exists_replica_1_1 == None)
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node_1_2.query("SYSTEM DROP REPLICA 'node_1_1' FROM DATABASE test1")
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exists_replica_1_1 = zk.exists(
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"/clickhouse/tables/test1/{shard}/replicated/test_table/replicas/{replica}".format(shard=1,
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replica='node_1_1'))
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assert (exists_replica_1_1 == None)
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node_1_3.query(
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"SYSTEM DROP REPLICA 'node_1_1' FROM ZKPATH '/clickhouse/tables/test3/{shard}/replicated/test_table'".format(
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shard=1))
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exists_replica_1_1 = zk.exists(
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"/clickhouse/tables/test3/{shard}/replicated/test_table/replicas/{replica}".format(shard=1,
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replica='node_1_1'))
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assert (exists_replica_1_1 == None)
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node_1_2.query("SYSTEM DROP REPLICA 'node_1_1'")
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exists_replica_1_1 = zk.exists(
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"/clickhouse/tables/test4/{shard}/replicated/test_table/replicas/{replica}".format(shard=1,
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replica='node_1_1'))
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assert (exists_replica_1_1 == None)
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