mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-18 21:51:57 +00:00
62 lines
2.3 KiB
Python
62 lines
2.3 KiB
Python
import time
|
|
|
|
import pytest
|
|
from helpers.cluster import ClickHouseCluster
|
|
from helpers.test_tools import assert_eq_with_retry
|
|
from helpers.network import PartitionManager
|
|
|
|
|
|
def fill_nodes(nodes, shard):
|
|
for node in nodes:
|
|
node.query(
|
|
'''
|
|
CREATE DATABASE test;
|
|
|
|
CREATE TABLE test.test_table(date Date, id UInt32)
|
|
ENGINE = ReplicatedMergeTree('/clickhouse/tables/test{shard}/replicated', '{replica}') ORDER BY id PARTITION BY toYYYYMM(date) SETTINGS min_replicated_logs_to_keep=3, max_replicated_logs_to_keep=5, cleanup_delay_period=0, cleanup_delay_period_random_add=0;
|
|
'''.format(shard=shard, replica=node.name))
|
|
|
|
|
|
cluster = ClickHouseCluster(__file__)
|
|
node1 = cluster.add_instance('node1', main_configs=['configs/remote_servers.xml'], with_zookeeper=True)
|
|
node2 = cluster.add_instance('node2', main_configs=['configs/remote_servers.xml'], with_zookeeper=True)
|
|
|
|
|
|
@pytest.fixture(scope="module")
|
|
def start_cluster():
|
|
try:
|
|
cluster.start()
|
|
|
|
fill_nodes([node1, node2], 1)
|
|
|
|
yield cluster
|
|
|
|
except Exception as ex:
|
|
print(ex)
|
|
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
def test_readonly_metrics(start_cluster):
|
|
assert node1.query("SELECT value FROM system.metrics WHERE metric = 'ReadonlyReplica'") == "0\n"
|
|
|
|
with PartitionManager() as pm:
|
|
## make node1 readonly -> heal -> readonly -> heal -> detach table -> heal -> attach table
|
|
pm.drop_instance_zk_connections(node1)
|
|
assert_eq_with_retry(node1, "SELECT value FROM system.metrics WHERE metric = 'ReadonlyReplica'", "1\n", retry_count=300, sleep_time=1)
|
|
|
|
pm.heal_all()
|
|
assert_eq_with_retry(node1, "SELECT value FROM system.metrics WHERE metric = 'ReadonlyReplica'", "0\n", retry_count=300, sleep_time=1)
|
|
|
|
pm.drop_instance_zk_connections(node1)
|
|
assert_eq_with_retry(node1, "SELECT value FROM system.metrics WHERE metric = 'ReadonlyReplica'", "1\n", retry_count=300, sleep_time=1)
|
|
|
|
|
|
node1.query("DETACH TABLE test.test_table")
|
|
assert "0\n" == node1.query("SELECT value FROM system.metrics WHERE metric = 'ReadonlyReplica'")
|
|
|
|
pm.heal_all()
|
|
node1.query("ATTACH TABLE test.test_table")
|
|
assert_eq_with_retry(node1, "SELECT value FROM system.metrics WHERE metric = 'ReadonlyReplica'", "0\n", retry_count=300, sleep_time=1)
|
|
|