mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-14 03:25:15 +00:00
234 lines
7.5 KiB
Python
234 lines
7.5 KiB
Python
import pytest
|
|
from helpers.cluster import ClickHouseCluster
|
|
import random
|
|
import string
|
|
import os
|
|
import time
|
|
from multiprocessing.dummy import Pool
|
|
from helpers.network import PartitionManager
|
|
from helpers.test_tools import assert_eq_with_retry
|
|
|
|
cluster = ClickHouseCluster(__file__)
|
|
node1 = cluster.add_instance('node1', main_configs=['configs/enable_keeper1.xml', 'configs/log_conf.xml', 'configs/use_keeper.xml'], stay_alive=True)
|
|
node2 = cluster.add_instance('node2', main_configs=['configs/enable_keeper2.xml', 'configs/log_conf.xml', 'configs/use_keeper.xml'], stay_alive=True)
|
|
node3 = cluster.add_instance('node3', main_configs=['configs/enable_keeper3.xml', 'configs/log_conf.xml', 'configs/use_keeper.xml'], stay_alive=True)
|
|
|
|
from kazoo.client import KazooClient, KazooState
|
|
|
|
@pytest.fixture(scope="module")
|
|
def started_cluster():
|
|
try:
|
|
cluster.start()
|
|
|
|
yield cluster
|
|
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
def smaller_exception(ex):
|
|
return '\n'.join(str(ex).split('\n')[0:2])
|
|
|
|
def wait_node(node):
|
|
for _ in range(100):
|
|
zk = None
|
|
try:
|
|
node.query("SELECT * FROM system.zookeeper WHERE path = '/'")
|
|
zk = get_fake_zk(node.name, timeout=30.0)
|
|
zk.create("/test", sequence=True)
|
|
print("node", node.name, "ready")
|
|
break
|
|
except Exception as ex:
|
|
time.sleep(0.2)
|
|
print("Waiting until", node.name, "will be ready, exception", ex)
|
|
finally:
|
|
if zk:
|
|
zk.stop()
|
|
zk.close()
|
|
else:
|
|
raise Exception("Can't wait node", node.name, "to become ready")
|
|
|
|
def wait_nodes():
|
|
for node in [node1, node2, node3]:
|
|
wait_node(node)
|
|
|
|
|
|
def get_fake_zk(nodename, timeout=30.0):
|
|
_fake_zk_instance = KazooClient(hosts=cluster.get_instance_ip(nodename) + ":9181", timeout=timeout)
|
|
_fake_zk_instance.start()
|
|
return _fake_zk_instance
|
|
|
|
def test_read_write_multinode(started_cluster):
|
|
try:
|
|
wait_nodes()
|
|
node1_zk = get_fake_zk("node1")
|
|
node2_zk = get_fake_zk("node2")
|
|
node3_zk = get_fake_zk("node3")
|
|
|
|
node1_zk.create("/test_read_write_multinode_node1", b"somedata1")
|
|
node2_zk.create("/test_read_write_multinode_node2", b"somedata2")
|
|
node3_zk.create("/test_read_write_multinode_node3", b"somedata3")
|
|
|
|
# stale reads are allowed
|
|
while node1_zk.exists("/test_read_write_multinode_node2") is None:
|
|
time.sleep(0.1)
|
|
|
|
while node1_zk.exists("/test_read_write_multinode_node3") is None:
|
|
time.sleep(0.1)
|
|
|
|
while node2_zk.exists("/test_read_write_multinode_node3") is None:
|
|
time.sleep(0.1)
|
|
|
|
assert node3_zk.get("/test_read_write_multinode_node1")[0] == b"somedata1"
|
|
assert node2_zk.get("/test_read_write_multinode_node1")[0] == b"somedata1"
|
|
assert node1_zk.get("/test_read_write_multinode_node1")[0] == b"somedata1"
|
|
|
|
assert node3_zk.get("/test_read_write_multinode_node2")[0] == b"somedata2"
|
|
assert node2_zk.get("/test_read_write_multinode_node2")[0] == b"somedata2"
|
|
assert node1_zk.get("/test_read_write_multinode_node2")[0] == b"somedata2"
|
|
|
|
assert node3_zk.get("/test_read_write_multinode_node3")[0] == b"somedata3"
|
|
assert node2_zk.get("/test_read_write_multinode_node3")[0] == b"somedata3"
|
|
assert node1_zk.get("/test_read_write_multinode_node3")[0] == b"somedata3"
|
|
|
|
finally:
|
|
try:
|
|
for zk_conn in [node1_zk, node2_zk, node3_zk]:
|
|
zk_conn.stop()
|
|
zk_conn.close()
|
|
except:
|
|
pass
|
|
|
|
|
|
def test_watch_on_follower(started_cluster):
|
|
try:
|
|
wait_nodes()
|
|
node1_zk = get_fake_zk("node1")
|
|
node2_zk = get_fake_zk("node2")
|
|
node3_zk = get_fake_zk("node3")
|
|
|
|
node1_zk.create("/test_data_watches")
|
|
node2_zk.set("/test_data_watches", b"hello")
|
|
node3_zk.set("/test_data_watches", b"world")
|
|
|
|
node1_data = None
|
|
def node1_callback(event):
|
|
print("node1 data watch called")
|
|
nonlocal node1_data
|
|
node1_data = event
|
|
|
|
node1_zk.get("/test_data_watches", watch=node1_callback)
|
|
|
|
node2_data = None
|
|
def node2_callback(event):
|
|
print("node2 data watch called")
|
|
nonlocal node2_data
|
|
node2_data = event
|
|
|
|
node2_zk.get("/test_data_watches", watch=node2_callback)
|
|
|
|
node3_data = None
|
|
def node3_callback(event):
|
|
print("node3 data watch called")
|
|
nonlocal node3_data
|
|
node3_data = event
|
|
|
|
node3_zk.get("/test_data_watches", watch=node3_callback)
|
|
|
|
node1_zk.set("/test_data_watches", b"somevalue")
|
|
time.sleep(3)
|
|
|
|
print(node1_data)
|
|
print(node2_data)
|
|
print(node3_data)
|
|
|
|
assert node1_data == node2_data
|
|
assert node3_data == node2_data
|
|
|
|
finally:
|
|
try:
|
|
for zk_conn in [node1_zk, node2_zk, node3_zk]:
|
|
zk_conn.stop()
|
|
zk_conn.close()
|
|
except:
|
|
pass
|
|
|
|
|
|
def test_session_expiration(started_cluster):
|
|
try:
|
|
wait_nodes()
|
|
node1_zk = get_fake_zk("node1")
|
|
node2_zk = get_fake_zk("node2")
|
|
node3_zk = get_fake_zk("node3", timeout=3.0)
|
|
print("Node3 session id", node3_zk._session_id)
|
|
|
|
node3_zk.create("/test_ephemeral_node", b"world", ephemeral=True)
|
|
|
|
with PartitionManager() as pm:
|
|
pm.partition_instances(node3, node2)
|
|
pm.partition_instances(node3, node1)
|
|
node3_zk.stop()
|
|
node3_zk.close()
|
|
for _ in range(100):
|
|
if node1_zk.exists("/test_ephemeral_node") is None and node2_zk.exists("/test_ephemeral_node") is None:
|
|
break
|
|
print("Node1 exists", node1_zk.exists("/test_ephemeral_node"))
|
|
print("Node2 exists", node2_zk.exists("/test_ephemeral_node"))
|
|
time.sleep(0.1)
|
|
node1_zk.sync("/")
|
|
node2_zk.sync("/")
|
|
|
|
assert node1_zk.exists("/test_ephemeral_node") is None
|
|
assert node2_zk.exists("/test_ephemeral_node") is None
|
|
|
|
finally:
|
|
try:
|
|
for zk_conn in [node1_zk, node2_zk, node3_zk]:
|
|
try:
|
|
zk_conn.stop()
|
|
zk_conn.close()
|
|
except:
|
|
pass
|
|
except:
|
|
pass
|
|
|
|
|
|
def test_follower_restart(started_cluster):
|
|
try:
|
|
wait_nodes()
|
|
node1_zk = get_fake_zk("node1")
|
|
|
|
node1_zk.create("/test_restart_node", b"hello")
|
|
|
|
node3.restart_clickhouse(kill=True)
|
|
|
|
node3_zk = get_fake_zk("node3")
|
|
|
|
# got data from log
|
|
assert node3_zk.get("/test_restart_node")[0] == b"hello"
|
|
|
|
finally:
|
|
try:
|
|
for zk_conn in [node1_zk, node3_zk]:
|
|
try:
|
|
zk_conn.stop()
|
|
zk_conn.close()
|
|
except:
|
|
pass
|
|
except:
|
|
pass
|
|
|
|
|
|
def test_simple_replicated_table(started_cluster):
|
|
wait_nodes()
|
|
for i, node in enumerate([node1, node2, node3]):
|
|
node.query("CREATE TABLE t (value UInt64) ENGINE = ReplicatedMergeTree('/clickhouse/t', '{}') ORDER BY tuple()".format(i + 1))
|
|
|
|
node2.query("INSERT INTO t SELECT number FROM numbers(10)")
|
|
|
|
node1.query("SYSTEM SYNC REPLICA t", timeout=10)
|
|
node3.query("SYSTEM SYNC REPLICA t", timeout=10)
|
|
|
|
assert_eq_with_retry(node1, "SELECT COUNT() FROM t", "10")
|
|
assert_eq_with_retry(node2, "SELECT COUNT() FROM t", "10")
|
|
assert_eq_with_retry(node3, "SELECT COUNT() FROM t", "10")
|