mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-30 03:22:14 +00:00
156 lines
5.3 KiB
Python
156 lines
5.3 KiB
Python
import time
|
|
import pytest
|
|
|
|
from helpers.cluster import ClickHouseCluster
|
|
from helpers.cluster import ClickHouseKiller
|
|
from helpers.test_tools import assert_eq_with_retry
|
|
|
|
def fill_nodes(nodes):
|
|
for node in nodes:
|
|
node.query(
|
|
'''
|
|
CREATE TABLE test(n UInt32)
|
|
ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/', '{replica}')
|
|
ORDER BY n PARTITION BY n % 10;
|
|
'''.format(replica=node.name))
|
|
|
|
cluster = ClickHouseCluster(__file__)
|
|
configs =["configs/remote_servers.xml"]
|
|
|
|
node_1 = cluster.add_instance('replica1', with_zookeeper=True, main_configs=configs)
|
|
node_2 = cluster.add_instance('replica2', with_zookeeper=True, main_configs=configs)
|
|
node_3 = cluster.add_instance('replica3', with_zookeeper=True, main_configs=configs)
|
|
nodes = [node_1, node_2, node_3]
|
|
|
|
def fill_table():
|
|
node_1.query("TRUNCATE TABLE test")
|
|
|
|
for node in nodes:
|
|
node.query("SYSTEM SYNC REPLICA test")
|
|
|
|
check_data(0, 0)
|
|
|
|
# it will create multiple parts in each partition and probably cause merges
|
|
node_1.query("INSERT INTO test SELECT number + 0 FROM numbers(200)")
|
|
node_1.query("INSERT INTO test SELECT number + 200 FROM numbers(200)")
|
|
node_1.query("INSERT INTO test SELECT number + 400 FROM numbers(200)")
|
|
node_1.query("INSERT INTO test SELECT number + 600 FROM numbers(200)")
|
|
node_1.query("INSERT INTO test SELECT number + 800 FROM numbers(200)")
|
|
check_data(499500, 1000)
|
|
|
|
@pytest.fixture(scope="module")
|
|
def start_cluster():
|
|
try:
|
|
cluster.start()
|
|
fill_nodes(nodes)
|
|
yield cluster
|
|
|
|
except Exception as ex:
|
|
print(ex)
|
|
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
def check_data(_sum: int, count: int) -> None:
|
|
res = "{}\t{}\n".format(_sum, count)
|
|
assert_eq_with_retry(node_1, "SELECT sum(n), count() FROM test", res)
|
|
assert_eq_with_retry(node_2, "SELECT sum(n), count() FROM test", res)
|
|
assert_eq_with_retry(node_3, "SELECT sum(n), count() FROM test", res)
|
|
|
|
def check_after_restoration():
|
|
check_data(1999000, 2000)
|
|
|
|
for node in nodes:
|
|
node.query_and_get_error("SYSTEM RESTORE REPLICA test")
|
|
|
|
def test_restore_replica_invalid_tables(start_cluster):
|
|
print("Checking the invocation on non-existent and non-replicated tables")
|
|
node_1.query_and_get_error("SYSTEM RESTORE REPLICA i_dont_exist_42")
|
|
node_1.query_and_get_error("SYSTEM RESTORE REPLICA no_db.i_dont_exist_42")
|
|
node_1.query_and_get_error("SYSTEM RESTORE REPLICA system.numbers")
|
|
|
|
def test_restore_replica_sequential(start_cluster):
|
|
zk = cluster.get_kazoo_client('zoo1')
|
|
fill_table()
|
|
|
|
print("Deleting root ZK path metadata")
|
|
zk.delete("/clickhouse/tables/test", recursive=True)
|
|
assert zk.exists("/clickhouse/tables/test") is None
|
|
|
|
node_1.query("SYSTEM RESTART REPLICA test")
|
|
node_1.query_and_get_error("INSERT INTO test SELECT number AS num FROM numbers(1000,2000) WHERE num % 2 = 0")
|
|
|
|
print("Restoring replica1")
|
|
|
|
node_1.query("SYSTEM RESTORE REPLICA test")
|
|
assert zk.exists("/clickhouse/tables/test")
|
|
check_data(499500, 1000)
|
|
|
|
node_1.query("INSERT INTO test SELECT number + 1000 FROM numbers(1000)")
|
|
|
|
print("Restoring other replicas")
|
|
|
|
node_2.query("SYSTEM RESTART REPLICA test")
|
|
node_2.query("SYSTEM RESTORE REPLICA test")
|
|
|
|
node_3.query("SYSTEM RESTART REPLICA test")
|
|
node_3.query("SYSTEM RESTORE REPLICA test")
|
|
|
|
node_2.query("SYSTEM SYNC REPLICA test")
|
|
node_3.query("SYSTEM SYNC REPLICA test")
|
|
|
|
check_after_restoration()
|
|
|
|
def test_restore_replica_parallel(start_cluster):
|
|
zk = cluster.get_kazoo_client('zoo1')
|
|
fill_table()
|
|
|
|
print("Deleting root ZK path metadata")
|
|
zk.delete("/clickhouse/tables/test", recursive=True)
|
|
assert zk.exists("/clickhouse/tables/test") is None
|
|
|
|
node_1.query("SYSTEM RESTART REPLICA test")
|
|
node_1.query_and_get_error("INSERT INTO test SELECT number AS num FROM numbers(1000,2000) WHERE num % 2 = 0")
|
|
|
|
print("Restoring replicas in parallel")
|
|
|
|
node_2.query("SYSTEM RESTART REPLICA test")
|
|
node_3.query("SYSTEM RESTART REPLICA test")
|
|
|
|
node_1.query("SYSTEM RESTORE REPLICA test ON CLUSTER test_cluster")
|
|
|
|
assert zk.exists("/clickhouse/tables/test")
|
|
check_data(499500, 1000)
|
|
|
|
node_1.query("INSERT INTO test SELECT number + 1000 FROM numbers(1000)")
|
|
|
|
check_after_restoration()
|
|
|
|
def test_restore_replica_alive_replicas(start_cluster):
|
|
zk = cluster.get_kazoo_client('zoo1')
|
|
fill_table()
|
|
|
|
print("Deleting replica2 path, trying to restore replica1")
|
|
zk.delete("/clickhouse/tables/test/replicas/replica2", recursive=True)
|
|
assert zk.exists("/clickhouse/tables/test/replicas/replica2") is None
|
|
node_1.query_and_get_error("SYSTEM RESTORE REPLICA test")
|
|
|
|
print("Deleting replica1 path, trying to restore replica1")
|
|
zk.delete("/clickhouse/tables/test/replicas/replica1", recursive=True)
|
|
assert zk.exists("/clickhouse/tables/test/replicas/replica1") is None
|
|
|
|
node_1.query("SYSTEM RESTART REPLICA test")
|
|
node_1.query("SYSTEM RESTORE REPLICA test")
|
|
|
|
node_2.query("SYSTEM RESTART REPLICA test")
|
|
node_2.query("SYSTEM RESTORE REPLICA test")
|
|
|
|
check_data(499500, 1000)
|
|
|
|
node_1.query("INSERT INTO test SELECT number + 1000 FROM numbers(1000)")
|
|
|
|
node_2.query("SYSTEM SYNC REPLICA test")
|
|
node_3.query("SYSTEM SYNC REPLICA test")
|
|
|
|
check_after_restoration()
|