mirror of
https://github.com/ClickHouse/ClickHouse.git
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149 lines
4.3 KiB
Python
149 lines
4.3 KiB
Python
#!/usr/bin/env python3
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import pytest
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from helpers.cluster import ClickHouseCluster
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import helpers.keeper_utils as keeper_utils
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import random
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import string
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import os
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import time
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cluster = ClickHouseCluster(__file__)
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node1 = cluster.add_instance(
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"node1",
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main_configs=["configs/enable_keeper1.xml", "configs/use_keeper.xml"],
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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/enable_keeper2.xml", "configs/use_keeper.xml"],
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stay_alive=True,
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)
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node3 = cluster.add_instance(
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"node3",
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main_configs=["configs/enable_keeper3.xml", "configs/use_keeper.xml"],
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stay_alive=True,
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)
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from kazoo.client import KazooClient, KazooState
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def wait_nodes():
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keeper_utils.wait_nodes(cluster, [node1, node2, node3])
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@pytest.fixture(scope="module")
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def started_cluster():
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try:
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cluster.start()
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wait_nodes()
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yield cluster
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finally:
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cluster.shutdown()
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def get_fake_zk(nodename, timeout=30.0):
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_fake_zk_instance = KazooClient(
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hosts=cluster.get_instance_ip(nodename) + ":9181", timeout=timeout
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)
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_fake_zk_instance.start()
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return _fake_zk_instance
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def stop_zk(zk):
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try:
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if zk:
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zk.stop()
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zk.close()
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except:
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pass
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def test_restart_multinode(started_cluster):
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try:
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node1_zk = node2_zk = node3_zk = None
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node1_zk = get_fake_zk("node1")
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node2_zk = get_fake_zk("node2")
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node3_zk = get_fake_zk("node3")
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for i in range(100):
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node1_zk.create(
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"/test_read_write_multinode_node" + str(i),
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("somedata" + str(i)).encode(),
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)
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for i in range(100):
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if i % 10 == 0:
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node1_zk.delete("/test_read_write_multinode_node" + str(i))
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node2_zk.sync("/test_read_write_multinode_node0")
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node3_zk.sync("/test_read_write_multinode_node0")
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for i in range(100):
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if i % 10 != 0:
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assert (
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node2_zk.get("/test_read_write_multinode_node" + str(i))[0]
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== ("somedata" + str(i)).encode()
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)
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assert (
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node3_zk.get("/test_read_write_multinode_node" + str(i))[0]
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== ("somedata" + str(i)).encode()
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)
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else:
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assert (
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node2_zk.exists("/test_read_write_multinode_node" + str(i)) is None
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)
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assert (
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node3_zk.exists("/test_read_write_multinode_node" + str(i)) is None
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)
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finally:
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for zk in [node1_zk, node2_zk, node3_zk]:
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stop_zk(zk)
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node1.restart_clickhouse(kill=True)
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node2.restart_clickhouse(kill=True)
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node3.restart_clickhouse(kill=True)
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wait_nodes()
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for i in range(100):
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try:
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node1_zk = get_fake_zk("node1")
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node2_zk = get_fake_zk("node2")
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node3_zk = get_fake_zk("node3")
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for i in range(100):
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if i % 10 != 0:
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assert (
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node1_zk.get("/test_read_write_multinode_node" + str(i))[0]
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== ("somedata" + str(i)).encode()
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)
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assert (
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node2_zk.get("/test_read_write_multinode_node" + str(i))[0]
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== ("somedata" + str(i)).encode()
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)
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assert (
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node3_zk.get("/test_read_write_multinode_node" + str(i))[0]
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== ("somedata" + str(i)).encode()
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)
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else:
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assert (
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node1_zk.exists("/test_read_write_multinode_node" + str(i))
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is None
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)
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assert (
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node2_zk.exists("/test_read_write_multinode_node" + str(i))
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is None
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)
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assert (
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node3_zk.exists("/test_read_write_multinode_node" + str(i))
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is None
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)
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break
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except Exception as ex:
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print("Got exception as ex", ex)
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finally:
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for zk in [node1_zk, node2_zk, node3_zk]:
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stop_zk(zk)
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