ClickHouse/tests/integration/test_zookeeper_config_load_balancing/test.py
Alexander Tokmakov 4ad4d4b38c apply formatter
2022-03-24 12:23:14 +01:00

428 lines
13 KiB
Python

import pytest
from helpers.cluster import ClickHouseCluster
from helpers.network import PartitionManager
cluster = ClickHouseCluster(
__file__, zookeeper_config_path="configs/zookeeper_load_balancing.xml"
)
# use 3-letter hostnames, so getHostNameDifference("nod1", "zoo1") will work as expected
node1 = cluster.add_instance(
"nod1", with_zookeeper=True, main_configs=["configs/zookeeper_load_balancing.xml"]
)
node2 = cluster.add_instance(
"nod2", with_zookeeper=True, main_configs=["configs/zookeeper_load_balancing.xml"]
)
node3 = cluster.add_instance(
"nod3", with_zookeeper=True, main_configs=["configs/zookeeper_load_balancing.xml"]
)
def change_balancing(old, new, reload=True):
line = "<zookeeper_load_balancing>{}<"
old_line = line.format(old)
new_line = line.format(new)
for node in [node1, node2, node3]:
node.replace_in_config(
"/etc/clickhouse-server/config.d/zookeeper_load_balancing.xml",
old_line,
new_line,
)
if reload:
node.query("select '{}', '{}'".format(old, new))
node.query("system reload config")
@pytest.fixture(scope="module")
def started_cluster():
try:
cluster.start()
yield cluster
finally:
cluster.shutdown()
def test_first_or_random(started_cluster):
try:
change_balancing("random", "first_or_random")
print(
str(
node1.exec_in_container(
[
"bash",
"-c",
"lsof -a -i4 -i6 -itcp -w | grep ':2181' | grep ESTABLISHED",
],
privileged=True,
user="root",
)
)
)
assert (
"1"
== str(
node1.exec_in_container(
[
"bash",
"-c",
"lsof -a -i4 -i6 -itcp -w | grep 'testzookeeperconfigloadbalancing_zoo1_1.*testzookeeperconfigloadbalancing_default:2181' | grep ESTABLISHED | wc -l",
],
privileged=True,
user="root",
)
).strip()
)
print(
str(
node2.exec_in_container(
[
"bash",
"-c",
"lsof -a -i4 -i6 -itcp -w | grep ':2181' | grep ESTABLISHED",
],
privileged=True,
user="root",
)
)
)
assert (
"1"
== str(
node2.exec_in_container(
[
"bash",
"-c",
"lsof -a -i4 -i6 -itcp -w | grep 'testzookeeperconfigloadbalancing_zoo1_1.*testzookeeperconfigloadbalancing_default:2181' | grep ESTABLISHED | wc -l",
],
privileged=True,
user="root",
)
).strip()
)
print(
str(
node3.exec_in_container(
[
"bash",
"-c",
"lsof -a -i4 -i6 -itcp -w | grep ':2181' | grep ESTABLISHED",
],
privileged=True,
user="root",
)
)
)
assert (
"1"
== str(
node3.exec_in_container(
[
"bash",
"-c",
"lsof -a -i4 -i6 -itcp -w | grep 'testzookeeperconfigloadbalancing_zoo1_1.*testzookeeperconfigloadbalancing_default:2181' | grep ESTABLISHED | wc -l",
],
privileged=True,
user="root",
)
).strip()
)
finally:
change_balancing("first_or_random", "random", reload=False)
def test_in_order(started_cluster):
try:
change_balancing("random", "in_order")
print(
str(
node1.exec_in_container(
[
"bash",
"-c",
"lsof -a -i4 -i6 -itcp -w | grep ':2181' | grep ESTABLISHED",
],
privileged=True,
user="root",
)
)
)
assert (
"1"
== str(
node1.exec_in_container(
[
"bash",
"-c",
"lsof -a -i4 -i6 -itcp -w | grep 'testzookeeperconfigloadbalancing_zoo1_1.*testzookeeperconfigloadbalancing_default:2181' | grep ESTABLISHED | wc -l",
],
privileged=True,
user="root",
)
).strip()
)
print(
str(
node2.exec_in_container(
[
"bash",
"-c",
"lsof -a -i4 -i6 -itcp -w | grep ':2181' | grep ESTABLISHED",
],
privileged=True,
user="root",
)
)
)
assert (
"1"
== str(
node2.exec_in_container(
[
"bash",
"-c",
"lsof -a -i4 -i6 -itcp -w | grep 'testzookeeperconfigloadbalancing_zoo1_1.*testzookeeperconfigloadbalancing_default:2181' | grep ESTABLISHED | wc -l",
],
privileged=True,
user="root",
)
).strip()
)
print(
str(
node3.exec_in_container(
[
"bash",
"-c",
"lsof -a -i4 -i6 -itcp -w | grep ':2181' | grep ESTABLISHED",
],
privileged=True,
user="root",
)
)
)
assert (
"1"
== str(
node3.exec_in_container(
[
"bash",
"-c",
"lsof -a -i4 -i6 -itcp -w | grep 'testzookeeperconfigloadbalancing_zoo1_1.*testzookeeperconfigloadbalancing_default:2181' | grep ESTABLISHED | wc -l",
],
privileged=True,
user="root",
)
).strip()
)
finally:
change_balancing("in_order", "random", reload=False)
def test_nearest_hostname(started_cluster):
try:
change_balancing("random", "nearest_hostname")
print(
str(
node1.exec_in_container(
[
"bash",
"-c",
"lsof -a -i4 -i6 -itcp -w | grep ':2181' | grep ESTABLISHED",
],
privileged=True,
user="root",
)
)
)
assert (
"1"
== str(
node1.exec_in_container(
[
"bash",
"-c",
"lsof -a -i4 -i6 -itcp -w | grep 'testzookeeperconfigloadbalancing_zoo1_1.*testzookeeperconfigloadbalancing_default:2181' | grep ESTABLISHED | wc -l",
],
privileged=True,
user="root",
)
).strip()
)
print(
str(
node2.exec_in_container(
[
"bash",
"-c",
"lsof -a -i4 -i6 -itcp -w | grep ':2181' | grep ESTABLISHED",
],
privileged=True,
user="root",
)
)
)
assert (
"1"
== str(
node2.exec_in_container(
[
"bash",
"-c",
"lsof -a -i4 -i6 -itcp -w | grep 'testzookeeperconfigloadbalancing_zoo2_1.*testzookeeperconfigloadbalancing_default:2181' | grep ESTABLISHED | wc -l",
],
privileged=True,
user="root",
)
).strip()
)
print(
str(
node3.exec_in_container(
[
"bash",
"-c",
"lsof -a -i4 -i6 -itcp -w | grep ':2181' | grep ESTABLISHED",
],
privileged=True,
user="root",
)
)
)
assert (
"1"
== str(
node3.exec_in_container(
[
"bash",
"-c",
"lsof -a -i4 -i6 -itcp -w | grep 'testzookeeperconfigloadbalancing_zoo3_1.*testzookeeperconfigloadbalancing_default:2181' | grep ESTABLISHED | wc -l",
],
privileged=True,
user="root",
)
).strip()
)
finally:
change_balancing("nearest_hostname", "random", reload=False)
def test_round_robin(started_cluster):
pm = PartitionManager()
try:
pm._add_rule(
{
"source": node1.ip_address,
"destination": cluster.get_instance_ip("zoo1"),
"action": "REJECT --reject-with tcp-reset",
}
)
pm._add_rule(
{
"source": node2.ip_address,
"destination": cluster.get_instance_ip("zoo1"),
"action": "REJECT --reject-with tcp-reset",
}
)
pm._add_rule(
{
"source": node3.ip_address,
"destination": cluster.get_instance_ip("zoo1"),
"action": "REJECT --reject-with tcp-reset",
}
)
change_balancing("random", "round_robin")
print(
str(
node1.exec_in_container(
[
"bash",
"-c",
"lsof -a -i4 -i6 -itcp -w | grep ':2181' | grep ESTABLISHED",
],
privileged=True,
user="root",
)
)
)
assert (
"1"
== str(
node1.exec_in_container(
[
"bash",
"-c",
"lsof -a -i4 -i6 -itcp -w | grep 'testzookeeperconfigloadbalancing_zoo2_1.*testzookeeperconfigloadbalancing_default:2181' | grep ESTABLISHED | wc -l",
],
privileged=True,
user="root",
)
).strip()
)
print(
str(
node2.exec_in_container(
[
"bash",
"-c",
"lsof -a -i4 -i6 -itcp -w | grep ':2181' | grep ESTABLISHED",
],
privileged=True,
user="root",
)
)
)
assert (
"1"
== str(
node2.exec_in_container(
[
"bash",
"-c",
"lsof -a -i4 -i6 -itcp -w | grep 'testzookeeperconfigloadbalancing_zoo2_1.*testzookeeperconfigloadbalancing_default:2181' | grep ESTABLISHED | wc -l",
],
privileged=True,
user="root",
)
).strip()
)
print(
str(
node3.exec_in_container(
[
"bash",
"-c",
"lsof -a -i4 -i6 -itcp -w | grep ':2181' | grep ESTABLISHED",
],
privileged=True,
user="root",
)
)
)
assert (
"1"
== str(
node3.exec_in_container(
[
"bash",
"-c",
"lsof -a -i4 -i6 -itcp -w | grep 'testzookeeperconfigloadbalancing_zoo2_1.*testzookeeperconfigloadbalancing_default:2181' | grep ESTABLISHED | wc -l",
],
privileged=True,
user="root",
)
).strip()
)
finally:
pm.heal_all()
change_balancing("round_robin", "random", reload=False)