ClickHouse/tests/integration/test_reloading_settings_from_users_xml/test.py

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import pytest
import os
import time
from helpers.cluster import ClickHouseCluster
from helpers.test_tools import assert_eq_with_retry, assert_logs_contain_with_retry
SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
cluster = ClickHouseCluster(__file__)
node = cluster.add_instance('node', user_configs=["configs/normal_settings.xml"])
@pytest.fixture(scope="module", autouse=True)
def started_cluster():
try:
cluster.start()
yield cluster
finally:
cluster.shutdown()
@pytest.fixture(autouse=True)
def reset_to_normal_settings_after_test():
try:
node.copy_file_to_container(os.path.join(SCRIPT_DIR, "configs/normal_settings.xml"), '/etc/clickhouse-server/users.d/z.xml')
node.query("SYSTEM RELOAD CONFIG")
yield
finally:
pass
def test_force_reload():
assert node.query("SELECT getSetting('max_memory_usage')") == "10000000000\n"
assert node.query("SELECT getSetting('load_balancing')") == "first_or_random\n"
node.copy_file_to_container(os.path.join(SCRIPT_DIR, "configs/changed_settings.xml"), '/etc/clickhouse-server/users.d/z.xml')
node.query("SYSTEM RELOAD CONFIG")
assert node.query("SELECT getSetting('max_memory_usage')") == "20000000000\n"
assert node.query("SELECT getSetting('load_balancing')") == "nearest_hostname\n"
def test_reload_on_timeout():
assert node.query("SELECT getSetting('max_memory_usage')") == "10000000000\n"
assert node.query("SELECT getSetting('load_balancing')") == "first_or_random\n"
time.sleep(1) # The modification time of the 'z.xml' file should be different,
# because config files are reload by timer only when the modification time is changed.
node.copy_file_to_container(os.path.join(SCRIPT_DIR, "configs/changed_settings.xml"), '/etc/clickhouse-server/users.d/z.xml')
assert_eq_with_retry(node, "SELECT getSetting('max_memory_usage')", "20000000000")
assert_eq_with_retry(node, "SELECT getSetting('load_balancing')", "nearest_hostname")
def test_unknown_setting_force_reload():
node.copy_file_to_container(os.path.join(SCRIPT_DIR, "configs/unknown_setting.xml"), '/etc/clickhouse-server/users.d/z.xml')
error_message = "Setting xyz is neither a builtin setting nor started with the prefix 'custom_' registered for user-defined settings"
assert error_message in node.query_and_get_error("SYSTEM RELOAD CONFIG")
assert node.query("SELECT getSetting('max_memory_usage')") == "10000000000\n"
assert node.query("SELECT getSetting('load_balancing')") == "first_or_random\n"
def test_unknown_setting_reload_on_timeout():
time.sleep(1) # The modification time of the 'z.xml' file should be different,
# because config files are reload by timer only when the modification time is changed.
node.copy_file_to_container(os.path.join(SCRIPT_DIR, "configs/unknown_setting.xml"), '/etc/clickhouse-server/users.d/z.xml')
error_message = "Setting xyz is neither a builtin setting nor started with the prefix 'custom_' registered for user-defined settings"
assert_logs_contain_with_retry(node, error_message)
assert node.query("SELECT getSetting('max_memory_usage')") == "10000000000\n"
assert node.query("SELECT getSetting('load_balancing')") == "first_or_random\n"
def test_unexpected_setting_int():
node.copy_file_to_container(os.path.join(SCRIPT_DIR, "configs/unexpected_setting_int.xml"), '/etc/clickhouse-server/users.d/z.xml')
error_message = "Cannot parse"
assert error_message in node.query_and_get_error("SYSTEM RELOAD CONFIG")
assert node.query("SELECT getSetting('max_memory_usage')") == "10000000000\n"
assert node.query("SELECT getSetting('load_balancing')") == "first_or_random\n"
def test_unexpected_setting_enum():
node.copy_file_to_container(os.path.join(SCRIPT_DIR, "configs/unexpected_setting_int.xml"), '/etc/clickhouse-server/users.d/z.xml')
error_message = "Cannot parse"
assert error_message in node.query_and_get_error("SYSTEM RELOAD CONFIG")
assert node.query("SELECT getSetting('max_memory_usage')") == "10000000000\n"
assert node.query("SELECT getSetting('load_balancing')") == "first_or_random\n"