mirror of
https://github.com/ClickHouse/ClickHouse.git
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138 lines
4.0 KiB
Python
138 lines
4.0 KiB
Python
from time import sleep
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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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main_configs = [
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"configs/remote_servers.xml",
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"configs/backups_disk.xml",
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"configs/keeper_map_path_prefix.xml",
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]
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user_configs = [
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"configs/zookeeper_retries.xml",
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]
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node1 = cluster.add_instance(
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"node1",
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main_configs=main_configs,
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user_configs=user_configs,
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external_dirs=["/backups/"],
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macros={"replica": "node1", "shard": "shard1"},
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with_zookeeper=True,
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stay_alive=True,
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)
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node2 = cluster.add_instance(
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"node2",
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main_configs=main_configs,
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user_configs=user_configs,
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external_dirs=["/backups/"],
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macros={"replica": "node2", "shard": "shard1"},
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with_zookeeper=True,
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stay_alive=True,
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)
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node3 = cluster.add_instance(
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"node3",
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main_configs=main_configs,
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user_configs=user_configs,
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external_dirs=["/backups/"],
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macros={"replica": "node3", "shard": "shard2"},
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with_zookeeper=True,
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stay_alive=True,
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)
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@pytest.fixture(scope="module", autouse=True)
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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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finally:
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cluster.shutdown()
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backup_id_counter = 0
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def new_backup_name(base_name):
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global backup_id_counter
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backup_id_counter += 1
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return f"Disk('backups', '{base_name}{backup_id_counter}')"
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@pytest.mark.parametrize("deduplicate_files", [0, 1])
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def test_on_cluster(deduplicate_files):
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database_name = f"keeper_backup{deduplicate_files}"
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node1.query_with_retry(f"CREATE DATABASE {database_name} ON CLUSTER cluster")
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node1.query_with_retry(
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f"CREATE TABLE {database_name}.keeper1 ON CLUSTER cluster (key UInt64, value String) Engine=KeeperMap('/{database_name}/test_on_cluster1') PRIMARY KEY key"
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)
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node1.query_with_retry(
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f"CREATE TABLE {database_name}.keeper2 ON CLUSTER cluster (key UInt64, value String) Engine=KeeperMap('/{database_name}/test_on_cluster1') PRIMARY KEY key"
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)
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node1.query_with_retry(
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f"CREATE TABLE {database_name}.keeper3 ON CLUSTER cluster (key UInt64, value String) Engine=KeeperMap('/{database_name}/test_on_cluster2') PRIMARY KEY key"
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)
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node1.query_with_retry(
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f"INSERT INTO {database_name}.keeper2 SELECT number, 'test' || toString(number) FROM system.numbers LIMIT 5"
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)
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node1.query_with_retry(
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f"INSERT INTO {database_name}.keeper3 SELECT number, 'test' || toString(number) FROM system.numbers LIMIT 5"
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)
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expected_result = "".join(f"{i}\ttest{i}\n" for i in range(5))
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def verify_data():
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for node in [node1, node2, node3]:
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for i in range(1, 4):
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result = node.query_with_retry(
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f"SELECT key, value FROM {database_name}.keeper{i} ORDER BY key FORMAT TSV"
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)
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assert result == expected_result
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verify_data()
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backup_name = new_backup_name("test_on_cluster")
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node1.query(
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f"BACKUP DATABASE {database_name} ON CLUSTER cluster TO {backup_name} SETTINGS async = false, deduplicate_files = {deduplicate_files};"
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)
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node1.query(f"DROP DATABASE {database_name} ON CLUSTER cluster SYNC;")
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def apply_for_all_nodes(f):
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for node in [node1, node2, node3]:
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f(node)
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def change_keeper_map_prefix(node):
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node.replace_config(
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"/etc/clickhouse-server/config.d/keeper_map_path_prefix.xml",
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"""
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<clickhouse>
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<keeper_map_path_prefix>/different_path/keeper_map</keeper_map_path_prefix>
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</clickhouse>
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""",
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)
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apply_for_all_nodes(lambda node: node.stop_clickhouse())
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apply_for_all_nodes(change_keeper_map_prefix)
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apply_for_all_nodes(lambda node: node.start_clickhouse())
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node1.query(
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f"RESTORE DATABASE {database_name} ON CLUSTER cluster FROM {backup_name} SETTINGS async = false;"
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)
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verify_data()
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node1.query(f"DROP TABLE {database_name}.keeper3 ON CLUSTER cluster SYNC;")
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node1.query(
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f"RESTORE TABLE {database_name}.keeper3 ON CLUSTER cluster FROM {backup_name} SETTINGS async = false;"
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)
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verify_data()
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