mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-14 03:25:15 +00:00
130 lines
4.0 KiB
Python
130 lines
4.0 KiB
Python
#!/usr/bin/env python3
|
|
import pytest
|
|
from helpers.cluster import ClickHouseCluster
|
|
import random
|
|
import string
|
|
import os
|
|
import time
|
|
|
|
cluster = ClickHouseCluster(__file__)
|
|
node1 = cluster.add_instance(
|
|
"node1", main_configs=["configs/enable_keeper1.xml"], stay_alive=True
|
|
)
|
|
node2 = cluster.add_instance(
|
|
"node2", main_configs=["configs/enable_keeper2.xml"], stay_alive=True
|
|
)
|
|
node3 = cluster.add_instance(
|
|
"node3", main_configs=["configs/enable_keeper3.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 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 stop_zk(zk):
|
|
try:
|
|
if zk:
|
|
zk.stop()
|
|
zk.close()
|
|
except:
|
|
pass
|
|
|
|
|
|
def test_recover_from_snapshot(started_cluster):
|
|
try:
|
|
node1_zk = node2_zk = node3_zk = None
|
|
node1_zk = get_fake_zk("node1")
|
|
node2_zk = get_fake_zk("node2")
|
|
node3_zk = get_fake_zk("node3")
|
|
|
|
node1_zk.create("/test_snapshot_multinode_recover", "somedata".encode())
|
|
|
|
node2_zk.sync("/test_snapshot_multinode_recover")
|
|
node3_zk.sync("/test_snapshot_multinode_recover")
|
|
|
|
assert node1_zk.get("/test_snapshot_multinode_recover")[0] == b"somedata"
|
|
assert node2_zk.get("/test_snapshot_multinode_recover")[0] == b"somedata"
|
|
assert node3_zk.get("/test_snapshot_multinode_recover")[0] == b"somedata"
|
|
|
|
node3.stop_clickhouse(kill=True)
|
|
|
|
# at least we will have 2 snapshots
|
|
for i in range(435):
|
|
node1_zk.create(
|
|
"/test_snapshot_multinode_recover" + str(i),
|
|
("somedata" + str(i)).encode(),
|
|
)
|
|
|
|
for i in range(435):
|
|
if i % 10 == 0:
|
|
node1_zk.delete("/test_snapshot_multinode_recover" + str(i))
|
|
|
|
finally:
|
|
for zk in [node1_zk, node2_zk, node3_zk]:
|
|
stop_zk(zk)
|
|
|
|
# stale node should recover from leader's snapshot
|
|
# with some sanitizers can start longer than 5 seconds
|
|
node3.start_clickhouse(20)
|
|
print("Restarted")
|
|
|
|
try:
|
|
node1_zk = node2_zk = node3_zk = None
|
|
node1_zk = get_fake_zk("node1")
|
|
node2_zk = get_fake_zk("node2")
|
|
node3_zk = get_fake_zk("node3")
|
|
|
|
node1_zk.sync("/test_snapshot_multinode_recover")
|
|
node2_zk.sync("/test_snapshot_multinode_recover")
|
|
node3_zk.sync("/test_snapshot_multinode_recover")
|
|
|
|
assert node1_zk.get("/test_snapshot_multinode_recover")[0] == b"somedata"
|
|
assert node2_zk.get("/test_snapshot_multinode_recover")[0] == b"somedata"
|
|
assert node3_zk.get("/test_snapshot_multinode_recover")[0] == b"somedata"
|
|
|
|
for i in range(435):
|
|
if i % 10 != 0:
|
|
assert (
|
|
node1_zk.get("/test_snapshot_multinode_recover" + str(i))[0]
|
|
== ("somedata" + str(i)).encode()
|
|
)
|
|
assert (
|
|
node2_zk.get("/test_snapshot_multinode_recover" + str(i))[0]
|
|
== ("somedata" + str(i)).encode()
|
|
)
|
|
assert (
|
|
node3_zk.get("/test_snapshot_multinode_recover" + str(i))[0]
|
|
== ("somedata" + str(i)).encode()
|
|
)
|
|
else:
|
|
assert (
|
|
node1_zk.exists("/test_snapshot_multinode_recover" + str(i)) is None
|
|
)
|
|
assert (
|
|
node2_zk.exists("/test_snapshot_multinode_recover" + str(i)) is None
|
|
)
|
|
assert (
|
|
node3_zk.exists("/test_snapshot_multinode_recover" + str(i)) is None
|
|
)
|
|
finally:
|
|
for zk in [node1_zk, node2_zk, node3_zk]:
|
|
stop_zk(zk)
|