mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-15 19:02:04 +00:00
137 lines
4.5 KiB
Python
137 lines
4.5 KiB
Python
import re
|
|
|
|
import pytest
|
|
|
|
from helpers.cluster import ClickHouseCluster
|
|
from helpers.test_tools import assert_eq_with_retry
|
|
|
|
cluster = ClickHouseCluster(__file__)
|
|
|
|
main_node_1 = cluster.add_instance(
|
|
"main_node_1",
|
|
user_configs=["configs/settings.xml"],
|
|
with_zookeeper=True,
|
|
stay_alive=True,
|
|
macros={"shard": 1, "replica": 1},
|
|
)
|
|
main_node_2 = cluster.add_instance(
|
|
"main_node_2",
|
|
user_configs=["configs/settings.xml"],
|
|
with_zookeeper=True,
|
|
stay_alive=True,
|
|
macros={"shard": 1, "replica": 2},
|
|
)
|
|
backup_node_1 = cluster.add_instance(
|
|
"backup_node_1",
|
|
main_configs=["configs/backup_group.xml"],
|
|
user_configs=["configs/settings.xml"],
|
|
with_zookeeper=True,
|
|
stay_alive=True,
|
|
macros={"shard": 1, "replica": 3},
|
|
)
|
|
backup_node_2 = cluster.add_instance(
|
|
"backup_node_2",
|
|
main_configs=["configs/backup_group.xml"],
|
|
user_configs=["configs/settings.xml"],
|
|
with_zookeeper=True,
|
|
stay_alive=True,
|
|
macros={"shard": 1, "replica": 4},
|
|
)
|
|
|
|
all_nodes = [
|
|
main_node_1,
|
|
main_node_2,
|
|
backup_node_1,
|
|
backup_node_2,
|
|
]
|
|
|
|
uuid_regex = re.compile("[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}")
|
|
|
|
|
|
def assert_create_query(nodes, table_name, expected):
|
|
replace_uuid = lambda x: re.sub(uuid_regex, "uuid", x)
|
|
query = "show create table {}".format(table_name)
|
|
for node in nodes:
|
|
assert_eq_with_retry(node, query, expected, get_result=replace_uuid)
|
|
|
|
|
|
@pytest.fixture(scope="module")
|
|
def started_cluster():
|
|
try:
|
|
cluster.start()
|
|
yield cluster
|
|
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
|
|
def test_cluster_groups(started_cluster):
|
|
for node in all_nodes:
|
|
node.query(
|
|
f"CREATE DATABASE cluster_groups ENGINE = Replicated('/test/cluster_groups', '{node.macros['shard']}', '{node.macros['replica']}');"
|
|
)
|
|
|
|
# 1. system.clusters
|
|
|
|
cluster_query = "SELECT host_name from system.clusters WHERE cluster = 'cluster_groups' ORDER BY host_name"
|
|
expected_main = "main_node_1\nmain_node_2\n"
|
|
expected_backup = "backup_node_1\nbackup_node_2\n"
|
|
|
|
for node in [main_node_1, main_node_2]:
|
|
assert_eq_with_retry(node, cluster_query, expected_main)
|
|
|
|
for node in [backup_node_1, backup_node_2]:
|
|
assert_eq_with_retry(node, cluster_query, expected_backup)
|
|
|
|
# 2. Query execution depends only on your cluster group
|
|
|
|
backup_node_1.stop_clickhouse()
|
|
backup_node_2.stop_clickhouse()
|
|
|
|
# OK
|
|
main_node_1.query(
|
|
"CREATE TABLE cluster_groups.table_1 (d Date, k UInt64) ENGINE=ReplicatedMergeTree ORDER BY k PARTITION BY toYYYYMM(d);"
|
|
)
|
|
|
|
# Exception
|
|
main_node_2.stop_clickhouse()
|
|
settings = {"distributed_ddl_task_timeout": 5}
|
|
assert "is not finished on 1 of 2 hosts" in main_node_1.query_and_get_error(
|
|
"CREATE TABLE cluster_groups.table_2 (d Date, k UInt64) ENGINE=ReplicatedMergeTree ORDER BY k PARTITION BY toYYYYMM(d);",
|
|
settings=settings,
|
|
)
|
|
|
|
# 3. After start both groups are synced
|
|
|
|
backup_node_1.start_clickhouse()
|
|
backup_node_2.start_clickhouse()
|
|
main_node_2.start_clickhouse()
|
|
|
|
expected_1 = "CREATE TABLE cluster_groups.table_1\\n(\\n `d` Date,\\n `k` UInt64\\n)\\nENGINE = ReplicatedMergeTree(\\'/clickhouse/tables/{uuid}/{shard}\\', \\'{replica}\\')\\nPARTITION BY toYYYYMM(d)\\nORDER BY k\\nSETTINGS index_granularity = 8192"
|
|
expected_2 = "CREATE TABLE cluster_groups.table_2\\n(\\n `d` Date,\\n `k` UInt64\\n)\\nENGINE = ReplicatedMergeTree(\\'/clickhouse/tables/{uuid}/{shard}\\', \\'{replica}\\')\\nPARTITION BY toYYYYMM(d)\\nORDER BY k\\nSETTINGS index_granularity = 8192"
|
|
|
|
for node in [backup_node_1, backup_node_2, main_node_2]:
|
|
node.query("SYSTEM SYNC DATABASE REPLICA cluster_groups;")
|
|
|
|
assert_create_query(all_nodes, "cluster_groups.table_1", expected_1)
|
|
assert_create_query(all_nodes, "cluster_groups.table_2", expected_2)
|
|
|
|
# 4. SYSTEM DROP DATABASE REPLICA
|
|
backup_node_2.stop_clickhouse()
|
|
backup_node_1.query(
|
|
"SYSTEM DROP DATABASE REPLICA '1|4' FROM DATABASE cluster_groups"
|
|
)
|
|
|
|
assert_eq_with_retry(backup_node_1, cluster_query, "backup_node_1\n")
|
|
|
|
main_node_2.stop_clickhouse()
|
|
main_node_1.query("SYSTEM DROP DATABASE REPLICA '1|2' FROM DATABASE cluster_groups")
|
|
|
|
assert_eq_with_retry(main_node_1, cluster_query, "main_node_1\n")
|
|
|
|
# 5. Reset to the original state
|
|
backup_node_2.start_clickhouse()
|
|
main_node_2.start_clickhouse()
|
|
for node in all_nodes:
|
|
node.query("DROP DATABASE cluster_groups SYNC;")
|