mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-09-20 08:40:50 +00:00
310 lines
9.5 KiB
Python
310 lines
9.5 KiB
Python
import inspect
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from contextlib import nullcontext as does_not_raise
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import pytest
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import time
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import os.path
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from helpers.cluster import ClickHouseCluster
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from helpers.client import QueryRuntimeException
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from helpers.test_tools import assert_eq_with_retry, TSV
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SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
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cluster = ClickHouseCluster(__file__, zookeeper_config_path="configs/zookeeper.xml")
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node1 = cluster.add_instance(
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"node1",
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main_configs=["configs/config.xml"],
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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=["configs/config.xml"],
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with_zookeeper=True,
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stay_alive=True,
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)
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all_nodes = [node1, node2]
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@pytest.fixture(scope="module", autouse=True)
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def started_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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def wait_zookeeper_node_to_start(zk_nodes, timeout=60):
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start = time.time()
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while time.time() - start < timeout:
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try:
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for instance in zk_nodes:
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conn = cluster.get_kazoo_client(instance)
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conn.get_children("/")
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print("All instances of ZooKeeper started")
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return
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except Exception as ex:
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print(("Can't connect to ZooKeeper " + str(ex)))
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time.sleep(0.5)
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def replace_zookeeper_config(new_config):
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node1.replace_config("/etc/clickhouse-server/conf.d/zookeeper.xml", new_config)
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node2.replace_config("/etc/clickhouse-server/conf.d/zookeeper.xml", new_config)
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node1.query("SYSTEM RELOAD CONFIG")
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node2.query("SYSTEM RELOAD CONFIG")
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def revert_zookeeper_config():
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with open(os.path.join(SCRIPT_DIR, "configs/zookeeper.xml"), "r") as f:
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replace_zookeeper_config(f.read())
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def get_active_zk_connections():
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return str(
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node1.exec_in_container(
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[
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"bash",
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"-c",
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"lsof -a -i4 -i6 -itcp -w | grep 2181 | grep ESTABLISHED | wc -l",
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],
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privileged=True,
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user="root",
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)
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).strip()
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def test_create_and_drop():
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node1.query("CREATE FUNCTION f1 AS (x, y) -> x + y")
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assert node1.query("SELECT f1(12, 3)") == "15\n"
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node1.query("DROP FUNCTION f1")
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@pytest.mark.parametrize(
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"ignore, expected_raise",
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[("true", does_not_raise()), ("false", pytest.raises(QueryRuntimeException))],
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)
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def test_create_and_drop_udf_on_cluster(ignore, expected_raise):
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node1.replace_config(
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"/etc/clickhouse-server/users.d/users.xml",
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inspect.cleandoc(
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f"""
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<clickhouse>
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<profiles>
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<default>
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<ignore_on_cluster_for_replicated_udf_queries>{ignore}</ignore_on_cluster_for_replicated_udf_queries>
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</default>
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</profiles>
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</clickhouse>
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"""
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),
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)
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node1.query("SYSTEM RELOAD CONFIG")
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with expected_raise:
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node1.query("CREATE FUNCTION f1 ON CLUSTER default AS (x, y) -> x + y")
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assert node1.query("SELECT f1(12, 3)") == "15\n"
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node1.query("DROP FUNCTION f1 ON CLUSTER default")
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def test_create_and_replace():
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node1.query("CREATE FUNCTION f1 AS (x, y) -> x + y")
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assert node1.query("SELECT f1(12, 3)") == "15\n"
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expected_error = "User-defined function 'f1' already exists"
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assert expected_error in node1.query_and_get_error(
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"CREATE FUNCTION f1 AS (x, y) -> x + 2 * y"
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)
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node1.query("CREATE FUNCTION IF NOT EXISTS f1 AS (x, y) -> x + 3 * y")
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assert node1.query("SELECT f1(12, 3)") == "15\n"
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node1.query("CREATE OR REPLACE FUNCTION f1 AS (x, y) -> x + 4 * y")
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assert node1.query("SELECT f1(12, 3)") == "24\n"
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node1.query("DROP FUNCTION f1")
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def test_drop_if_exists():
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node1.query("CREATE FUNCTION f1 AS (x, y) -> x + y")
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node1.query("DROP FUNCTION IF EXISTS f1")
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node1.query("DROP FUNCTION IF EXISTS f1")
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expected_error = "User-defined function 'f1' doesn't exist"
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assert expected_error in node1.query_and_get_error("DROP FUNCTION f1")
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def test_replication():
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node1.query("CREATE FUNCTION f2 AS (x, y) -> x - y")
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assert (
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node1.query("SELECT create_query FROM system.functions WHERE name='f2'")
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== "CREATE FUNCTION f2 AS (x, y) -> (x - y)\n"
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)
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assert_eq_with_retry(
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node2,
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"SELECT create_query FROM system.functions WHERE name='f2'",
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"CREATE FUNCTION f2 AS (x, y) -> (x - y)\n",
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)
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assert node1.query("SELECT f2(12,3)") == "9\n"
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assert node2.query("SELECT f2(12,3)") == "9\n"
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node1.query("DROP FUNCTION f2")
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assert (
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node1.query("SELECT create_query FROM system.functions WHERE name='f2'") == ""
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)
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assert_eq_with_retry(
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node2, "SELECT create_query FROM system.functions WHERE name='f2'", ""
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)
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def test_replication_replace_by_another_node_after_creation():
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node1.query("CREATE FUNCTION f2 AS (x, y) -> x - y")
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assert_eq_with_retry(
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node2,
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"SELECT create_query FROM system.functions WHERE name='f2'",
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"CREATE FUNCTION f2 AS (x, y) -> (x - y)\n",
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)
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node2.query("CREATE OR REPLACE FUNCTION f2 AS (x, y) -> x + y")
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assert_eq_with_retry(
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node1,
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"SELECT create_query FROM system.functions WHERE name='f2'",
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"CREATE FUNCTION f2 AS (x, y) -> (x + y)\n",
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)
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node1.query("DROP FUNCTION f2")
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assert_eq_with_retry(
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node1, "SELECT create_query FROM system.functions WHERE name='f2'", ""
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)
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assert_eq_with_retry(
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node2, "SELECT create_query FROM system.functions WHERE name='f2'", ""
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)
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# UserDefinedSQLObjectsLoaderFromZooKeeper must be able to continue working after reloading ZooKeeper.
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def test_reload_zookeeper():
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node1.query("CREATE FUNCTION f1 AS (x, y) -> x + y")
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assert_eq_with_retry(
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node2, "SELECT name FROM system.functions WHERE name ='f1'", "f1\n"
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)
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# remove zoo2, zoo3 from configs
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replace_zookeeper_config(
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inspect.cleandoc(
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"""
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<clickhouse>
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<zookeeper>
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<node index="1">
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<host>zoo1</host>
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<port>2181</port>
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</node>
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<session_timeout_ms>2000</session_timeout_ms>
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</zookeeper>
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</clickhouse>
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"""
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)
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)
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# config reloads, but can still work
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node1.query("CREATE FUNCTION f2 AS (x, y) -> x - y")
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assert_eq_with_retry(
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node2,
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"SELECT name FROM system.functions WHERE name IN ['f1', 'f2'] ORDER BY name",
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TSV(["f1", "f2"]),
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)
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# stop all zookeepers, user-defined functions will be readonly
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cluster.stop_zookeeper_nodes(["zoo1", "zoo2", "zoo3"])
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assert node2.query(
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"SELECT name FROM system.functions WHERE name IN ['f1', 'f2'] ORDER BY name"
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) == TSV(["f1", "f2"])
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assert "ZooKeeper" in node1.query_and_get_error(
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"CREATE FUNCTION f3 AS (x, y) -> x * y"
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)
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# start zoo2, zoo3, user-defined functions will be readonly too, because it only connect to zoo1
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cluster.start_zookeeper_nodes(["zoo2", "zoo3"])
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wait_zookeeper_node_to_start(["zoo2", "zoo3"])
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assert node2.query(
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"SELECT name FROM system.functions WHERE name IN ['f1', 'f2', 'f3'] ORDER BY name"
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) == TSV(["f1", "f2"])
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assert "ZooKeeper" in node1.query_and_get_error(
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"CREATE FUNCTION f3 AS (x, y) -> x * y"
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)
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# set config to zoo2, server will be normal
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replace_zookeeper_config(
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inspect.cleandoc(
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"""
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<clickhouse>
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<zookeeper>
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<node index="1">
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<host>zoo2</host>
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<port>2181</port>
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</node>
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<session_timeout_ms>2000</session_timeout_ms>
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</zookeeper>
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</clickhouse>
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"""
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)
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)
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active_zk_connections = get_active_zk_connections()
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assert (
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active_zk_connections == "1"
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), "Total connections to ZooKeeper not equal to 1, {}".format(active_zk_connections)
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node1.query("CREATE FUNCTION f3 AS (x, y) -> x / y")
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assert_eq_with_retry(
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node2,
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"SELECT name FROM system.functions WHERE name IN ['f1', 'f2', 'f3'] ORDER BY name",
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TSV(["f1", "f2", "f3"]),
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)
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assert node2.query("SELECT f1(12, 3), f2(12, 3), f3(12, 3)") == TSV([[15, 9, 4]])
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active_zk_connections = get_active_zk_connections()
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assert (
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active_zk_connections == "1"
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), "Total connections to ZooKeeper not equal to 1, {}".format(active_zk_connections)
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node1.query("DROP FUNCTION f1")
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node1.query("DROP FUNCTION f2")
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node1.query("DROP FUNCTION f3")
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# switch to the original version of zookeeper config
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cluster.start_zookeeper_nodes(["zoo1", "zoo2", "zoo3"])
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revert_zookeeper_config()
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# Start without ZooKeeper must be possible, user-defined functions will be loaded after connecting to ZooKeeper.
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def test_start_without_zookeeper():
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node2.stop_clickhouse()
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node1.query("CREATE FUNCTION f1 AS (x, y) -> x + y")
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cluster.stop_zookeeper_nodes(["zoo1", "zoo2", "zoo3"])
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node2.start_clickhouse()
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assert (
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node2.query("SELECT create_query FROM system.functions WHERE name='f1'") == ""
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)
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cluster.start_zookeeper_nodes(["zoo1", "zoo2", "zoo3"])
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wait_zookeeper_node_to_start(["zoo1", "zoo2", "zoo3"])
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assert_eq_with_retry(
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node2,
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"SELECT create_query FROM system.functions WHERE name='f1'",
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"CREATE FUNCTION f1 AS (x, y) -> (x + y)\n",
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)
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node1.query("DROP FUNCTION f1")
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