ClickHouse/tests/integration/test_storage_nats/test.py

1875 lines
54 KiB
Python

import pytest
# FIXME This test is too flaky
# https://github.com/ClickHouse/ClickHouse/issues/39185
pytestmark = pytest.mark.skip
import json
import os.path as p
import random
import subprocess
import threading
import logging
import time
from random import randrange
import math
import asyncio
from google.protobuf.internal.encoder import _VarintBytes
from helpers.client import QueryRuntimeException
from helpers.cluster import ClickHouseCluster, check_nats_is_available, nats_connect_ssl
from helpers.test_tools import TSV
from . import nats_pb2
cluster = ClickHouseCluster(__file__)
instance = cluster.add_instance(
"instance",
main_configs=[
"configs/nats.xml",
"configs/macros.xml",
"configs/named_collection.xml",
],
user_configs=["configs/users.xml"],
with_nats=True,
clickhouse_path_dir="clickhouse_path",
)
# Helpers
def wait_nats_to_start(nats_port, ssl_ctx=None, timeout=180):
start = time.time()
while time.time() - start < timeout:
try:
if asyncio.run(check_nats_is_available(nats_port, ssl_ctx=ssl_ctx)):
logging.debug("NATS is available")
return
time.sleep(0.5)
except Exception as ex:
logging.debug("Can't connect to NATS " + str(ex))
time.sleep(0.5)
def nats_check_result(result, check=False, ref_file="test_nats_json.reference"):
fpath = p.join(p.dirname(__file__), ref_file)
with open(fpath) as reference:
if check:
assert TSV(result) == TSV(reference)
else:
return TSV(result) == TSV(reference)
def kill_nats(nats_id):
p = subprocess.Popen(("docker", "stop", nats_id), stdout=subprocess.PIPE)
p.communicate()
return p.returncode == 0
def revive_nats(nats_id, nats_port):
p = subprocess.Popen(("docker", "start", nats_id), stdout=subprocess.PIPE)
p.communicate()
wait_nats_to_start(nats_port)
# Fixtures
@pytest.fixture(scope="module")
def nats_cluster():
try:
cluster.start()
logging.debug("nats_id is {}".format(instance.cluster.nats_docker_id))
instance.query("CREATE DATABASE test")
yield cluster
finally:
cluster.shutdown()
@pytest.fixture(autouse=True)
def nats_setup_teardown():
print("NATS is available - running test")
yield # run test
instance.query("DROP DATABASE test NO DELAY")
instance.query("CREATE DATABASE test")
# Tests
async def nats_produce_messages(cluster_inst, subject, messages=(), bytes=None):
nc = await nats_connect_ssl(
cluster_inst.nats_port,
user="click",
password="house",
ssl_ctx=cluster_inst.nats_ssl_context,
)
logging.debug("NATS connection status: " + str(nc.is_connected))
for message in messages:
await nc.publish(subject, message.encode())
if bytes is not None:
await nc.publish(subject, bytes)
logging.debug("Finished publising to " + subject)
await nc.close()
return messages
def check_table_is_ready(instance, table_name):
try:
instance.query("SELECT * FROM {}".format(table_name))
return True
except Exception:
return False
def test_nats_select(nats_cluster):
instance.query(
"""
CREATE TABLE test.nats (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'select',
nats_format = 'JSONEachRow',
nats_row_delimiter = '\\n';
"""
)
while not check_table_is_ready(instance, "test.nats"):
logging.debug("Table test.nats is not yet ready")
time.sleep(0.5)
messages = []
for i in range(50):
messages.append(json.dumps({"key": i, "value": i}))
asyncio.run(nats_produce_messages(nats_cluster, "select", messages))
# The order of messages in select * from test.nats is not guaranteed, so sleep to collect everything in one select
time.sleep(1)
result = ""
while True:
result += instance.query(
"SELECT * FROM test.nats ORDER BY key", ignore_error=True
)
if nats_check_result(result):
break
nats_check_result(result, True)
def test_nats_select_empty(nats_cluster):
instance.query(
"""
CREATE TABLE test.nats (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'empty',
nats_format = 'TSV',
nats_row_delimiter = '\\n';
"""
)
assert int(instance.query("SELECT count() FROM test.nats")) == 0
def test_nats_json_without_delimiter(nats_cluster):
instance.query(
"""
CREATE TABLE test.nats (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'json',
nats_format = 'JSONEachRow';
"""
)
while not check_table_is_ready(instance, "test.nats"):
logging.debug("Table test.nats is not yet ready")
time.sleep(0.5)
messages = ""
for i in range(25):
messages += json.dumps({"key": i, "value": i}) + "\n"
all_messages = [messages]
asyncio.run(nats_produce_messages(nats_cluster, "json", all_messages))
messages = ""
for i in range(25, 50):
messages += json.dumps({"key": i, "value": i}) + "\n"
all_messages = [messages]
asyncio.run(nats_produce_messages(nats_cluster, "json", all_messages))
time.sleep(1)
result = ""
time_limit_sec = 60
deadline = time.monotonic() + time_limit_sec
while time.monotonic() < deadline:
result += instance.query(
"SELECT * FROM test.nats ORDER BY key", ignore_error=True
)
if nats_check_result(result):
break
nats_check_result(result, True)
def test_nats_csv_with_delimiter(nats_cluster):
instance.query(
"""
CREATE TABLE test.nats (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'csv',
nats_format = 'CSV',
nats_row_delimiter = '\\n';
"""
)
while not check_table_is_ready(instance, "test.nats"):
logging.debug("Table test.nats is not yet ready")
time.sleep(0.5)
messages = []
for i in range(50):
messages.append("{i}, {i}".format(i=i))
asyncio.run(nats_produce_messages(nats_cluster, "csv", messages))
time.sleep(1)
result = ""
for _ in range(60):
result += instance.query(
"SELECT * FROM test.nats ORDER BY key", ignore_error=True
)
if nats_check_result(result):
break
nats_check_result(result, True)
def test_nats_tsv_with_delimiter(nats_cluster):
instance.query(
"""
CREATE TABLE test.nats (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'tsv',
nats_format = 'TSV',
nats_row_delimiter = '\\n';
CREATE TABLE test.view (key UInt64, value UInt64)
ENGINE = MergeTree()
ORDER BY key;
CREATE MATERIALIZED VIEW test.consumer TO test.view AS
SELECT * FROM test.nats;
"""
)
while not check_table_is_ready(instance, "test.nats"):
logging.debug("Table test.nats is not yet ready")
time.sleep(0.5)
messages = []
for i in range(50):
messages.append("{i}\t{i}".format(i=i))
asyncio.run(nats_produce_messages(nats_cluster, "tsv", messages))
result = ""
for _ in range(60):
result = instance.query("SELECT * FROM test.view ORDER BY key")
if nats_check_result(result):
break
nats_check_result(result, True)
#
def test_nats_macros(nats_cluster):
instance.query(
"""
CREATE TABLE test.nats (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = '{nats_url}',
nats_subjects = '{nats_subjects}',
nats_format = '{nats_format}'
"""
)
while not check_table_is_ready(instance, "test.nats"):
logging.debug("Table test.nats is not yet ready")
time.sleep(0.5)
message = ""
for i in range(50):
message += json.dumps({"key": i, "value": i}) + "\n"
asyncio.run(nats_produce_messages(nats_cluster, "macro", [message]))
time.sleep(1)
result = ""
for _ in range(60):
result += instance.query(
"SELECT * FROM test.nats ORDER BY key", ignore_error=True
)
if nats_check_result(result):
break
nats_check_result(result, True)
def test_nats_materialized_view(nats_cluster):
instance.query(
"""
CREATE TABLE test.nats (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'mv',
nats_format = 'JSONEachRow',
nats_row_delimiter = '\\n';
CREATE TABLE test.view (key UInt64, value UInt64)
ENGINE = MergeTree()
ORDER BY key;
CREATE MATERIALIZED VIEW test.consumer TO test.view AS
SELECT * FROM test.nats;
CREATE TABLE test.view2 (key UInt64, value UInt64)
ENGINE = MergeTree()
ORDER BY key;
CREATE MATERIALIZED VIEW test.consumer2 TO test.view2 AS
SELECT * FROM test.nats group by (key, value);
"""
)
while not check_table_is_ready(instance, "test.nats"):
logging.debug("Table test.nats is not yet ready")
time.sleep(0.5)
messages = []
for i in range(50):
messages.append(json.dumps({"key": i, "value": i}))
asyncio.run(nats_produce_messages(nats_cluster, "mv", messages))
time_limit_sec = 60
deadline = time.monotonic() + time_limit_sec
while time.monotonic() < deadline:
result = instance.query("SELECT * FROM test.view ORDER BY key")
if nats_check_result(result):
break
nats_check_result(result, True)
deadline = time.monotonic() + time_limit_sec
while time.monotonic() < deadline:
result = instance.query("SELECT * FROM test.view2 ORDER BY key")
if nats_check_result(result):
break
nats_check_result(result, True)
def test_nats_materialized_view_with_subquery(nats_cluster):
instance.query(
"""
CREATE TABLE test.nats (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'mvsq',
nats_format = 'JSONEachRow',
nats_row_delimiter = '\\n';
CREATE TABLE test.view (key UInt64, value UInt64)
ENGINE = MergeTree()
ORDER BY key;
CREATE MATERIALIZED VIEW test.consumer TO test.view AS
SELECT * FROM (SELECT * FROM test.nats);
"""
)
while not check_table_is_ready(instance, "test.nats"):
logging.debug("Table test.nats is not yet ready")
time.sleep(0.5)
messages = []
for i in range(50):
messages.append(json.dumps({"key": i, "value": i}))
asyncio.run(nats_produce_messages(nats_cluster, "mvsq", messages))
time_limit_sec = 60
deadline = time.monotonic() + time_limit_sec
while time.monotonic() < deadline:
result = instance.query("SELECT * FROM test.view ORDER BY key")
if nats_check_result(result):
break
nats_check_result(result, True)
def test_nats_many_materialized_views(nats_cluster):
instance.query(
"""
DROP TABLE IF EXISTS test.view1;
DROP TABLE IF EXISTS test.view2;
DROP TABLE IF EXISTS test.consumer1;
DROP TABLE IF EXISTS test.consumer2;
CREATE TABLE test.nats (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'mmv',
nats_format = 'JSONEachRow',
nats_row_delimiter = '\\n';
CREATE TABLE test.view1 (key UInt64, value UInt64)
ENGINE = MergeTree()
ORDER BY key;
CREATE TABLE test.view2 (key UInt64, value UInt64)
ENGINE = MergeTree()
ORDER BY key;
CREATE MATERIALIZED VIEW test.consumer1 TO test.view1 AS
SELECT * FROM test.nats;
CREATE MATERIALIZED VIEW test.consumer2 TO test.view2 AS
SELECT * FROM test.nats;
"""
)
while not check_table_is_ready(instance, "test.nats"):
logging.debug("Table test.nats is not yet ready")
time.sleep(0.5)
messages = []
for i in range(50):
messages.append(json.dumps({"key": i, "value": i}))
asyncio.run(nats_produce_messages(nats_cluster, "mmv", messages))
time_limit_sec = 60
deadline = time.monotonic() + time_limit_sec
while time.monotonic() < deadline:
result1 = instance.query("SELECT * FROM test.view1 ORDER BY key")
result2 = instance.query("SELECT * FROM test.view2 ORDER BY key")
if nats_check_result(result1) and nats_check_result(result2):
break
instance.query(
"""
DROP TABLE test.consumer1;
DROP TABLE test.consumer2;
DROP TABLE test.view1;
DROP TABLE test.view2;
"""
)
nats_check_result(result1, True)
nats_check_result(result2, True)
def test_nats_protobuf(nats_cluster):
instance.query(
"""
CREATE TABLE test.nats (key UInt64, value String)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'pb',
nats_format = 'Protobuf',
nats_schema = 'nats.proto:ProtoKeyValue';
CREATE TABLE test.view (key UInt64, value UInt64)
ENGINE = MergeTree()
ORDER BY key;
CREATE MATERIALIZED VIEW test.consumer TO test.view AS
SELECT * FROM test.nats;
"""
)
while not check_table_is_ready(instance, "test.nats"):
logging.debug("Table test.nats is not yet ready")
time.sleep(0.5)
data = b""
for i in range(0, 20):
msg = nats_pb2.ProtoKeyValue()
msg.key = i
msg.value = str(i)
serialized_msg = msg.SerializeToString()
data = data + _VarintBytes(len(serialized_msg)) + serialized_msg
asyncio.run(nats_produce_messages(nats_cluster, "pb", bytes=data))
data = b""
for i in range(20, 21):
msg = nats_pb2.ProtoKeyValue()
msg.key = i
msg.value = str(i)
serialized_msg = msg.SerializeToString()
data = data + _VarintBytes(len(serialized_msg)) + serialized_msg
asyncio.run(nats_produce_messages(nats_cluster, "pb", bytes=data))
data = b""
for i in range(21, 50):
msg = nats_pb2.ProtoKeyValue()
msg.key = i
msg.value = str(i)
serialized_msg = msg.SerializeToString()
data = data + _VarintBytes(len(serialized_msg)) + serialized_msg
asyncio.run(nats_produce_messages(nats_cluster, "pb", bytes=data))
result = ""
time_limit_sec = 60
deadline = time.monotonic() + time_limit_sec
while time.monotonic() < deadline:
result = instance.query("SELECT * FROM test.view ORDER BY key")
if nats_check_result(result):
break
nats_check_result(result, True)
def test_nats_big_message(nats_cluster):
# Create batchs of messages of size ~100Kb
nats_messages = 1000
batch_messages = 1000
messages = [
json.dumps({"key": i, "value": "x" * 100}) * batch_messages
for i in range(nats_messages)
]
instance.query(
"""
CREATE TABLE test.nats (key UInt64, value String)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'big',
nats_format = 'JSONEachRow';
CREATE TABLE test.view (key UInt64, value String)
ENGINE = MergeTree
ORDER BY key;
CREATE MATERIALIZED VIEW test.consumer TO test.view AS
SELECT * FROM test.nats;
"""
)
while not check_table_is_ready(instance, "test.nats"):
logging.debug("Table test.nats is not yet ready")
time.sleep(0.5)
asyncio.run(nats_produce_messages(nats_cluster, "big", messages))
while True:
result = instance.query("SELECT count() FROM test.view")
if int(result) == batch_messages * nats_messages:
break
assert (
int(result) == nats_messages * batch_messages
), "ClickHouse lost some messages: {}".format(result)
def test_nats_mv_combo(nats_cluster):
NUM_MV = 5
NUM_CONSUMERS = 4
instance.query(
"""
CREATE TABLE test.nats (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'combo',
nats_num_consumers = {},
nats_format = 'JSONEachRow',
nats_row_delimiter = '\\n';
""".format(
NUM_CONSUMERS
)
)
while not check_table_is_ready(instance, "test.nats"):
logging.debug("Table test.nats is not yet ready")
time.sleep(0.5)
for mv_id in range(NUM_MV):
instance.query(
"""
DROP TABLE IF EXISTS test.combo_{0};
DROP TABLE IF EXISTS test.combo_{0}_mv;
CREATE TABLE test.combo_{0} (key UInt64, value UInt64)
ENGINE = MergeTree()
ORDER BY key;
CREATE MATERIALIZED VIEW test.combo_{0}_mv TO test.combo_{0} AS
SELECT * FROM test.nats;
""".format(
mv_id
)
)
time.sleep(2)
i = [0]
messages_num = 10000
def produce():
messages = []
for _ in range(messages_num):
messages.append(json.dumps({"key": i[0], "value": i[0]}))
i[0] += 1
asyncio.run(nats_produce_messages(nats_cluster, "combo", messages))
threads = []
threads_num = 20
for _ in range(threads_num):
threads.append(threading.Thread(target=produce))
for thread in threads:
time.sleep(random.uniform(0, 1))
thread.start()
while True:
result = 0
for mv_id in range(NUM_MV):
result += int(
instance.query("SELECT count() FROM test.combo_{0}".format(mv_id))
)
if int(result) == messages_num * threads_num * NUM_MV:
break
time.sleep(1)
for thread in threads:
thread.join()
for mv_id in range(NUM_MV):
instance.query(
"""
DROP TABLE test.combo_{0}_mv;
DROP TABLE test.combo_{0};
""".format(
mv_id
)
)
assert (
int(result) == messages_num * threads_num * NUM_MV
), "ClickHouse lost some messages: {}".format(result)
def test_nats_insert(nats_cluster):
instance.query(
"""
CREATE TABLE test.nats (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'insert',
nats_format = 'TSV',
nats_row_delimiter = '\\n';
"""
)
while not check_table_is_ready(instance, "test.nats"):
logging.debug("Table test.nats is not yet ready")
time.sleep(0.5)
values = []
for i in range(50):
values.append("({i}, {i})".format(i=i))
values = ",".join(values)
insert_messages = []
async def sub_to_nats():
nc = await nats_connect_ssl(
nats_cluster.nats_port,
user="click",
password="house",
ssl_ctx=nats_cluster.nats_ssl_context,
)
sub = await nc.subscribe("insert")
await sub.unsubscribe(50)
async for msg in sub.messages:
insert_messages.append(msg.data.decode())
await sub.drain()
await nc.drain()
def run_sub():
asyncio.run(sub_to_nats())
thread = threading.Thread(target=run_sub)
thread.start()
time.sleep(1)
while True:
try:
instance.query("INSERT INTO test.nats VALUES {}".format(values))
break
except QueryRuntimeException as e:
if "Local: Timed out." in str(e):
continue
else:
raise
thread.join()
result = "\n".join(insert_messages)
nats_check_result(result, True)
def test_nats_many_subjects_insert_wrong(nats_cluster):
instance.query(
"""
CREATE TABLE test.nats (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'insert1,insert2.>,insert3.*.foo',
nats_format = 'TSV',
nats_row_delimiter = '\\n';
"""
)
while not check_table_is_ready(instance, "test.nats"):
logging.debug("Table test.nats is not yet ready")
time.sleep(0.5)
values = []
for i in range(50):
values.append("({i}, {i})".format(i=i))
values = ",".join(values)
# no subject specified
instance.query_and_get_error("INSERT INTO test.nats VALUES {}".format(values))
# can't insert into wildcard subjects
instance.query_and_get_error(
"INSERT INTO test.nats SETTINGS stream_like_engine_insert_queue='insert2.>' VALUES {}".format(
values
)
)
instance.query_and_get_error(
"INSERT INTO test.nats SETTINGS stream_like_engine_insert_queue='insert3.*.foo' VALUES {}".format(
values
)
)
# specified subject is not among engine's subjects
instance.query_and_get_error(
"INSERT INTO test.nats SETTINGS stream_like_engine_insert_queue='insert4' VALUES {}".format(
values
)
)
instance.query_and_get_error(
"INSERT INTO test.nats SETTINGS stream_like_engine_insert_queue='insert3.foo.baz' VALUES {}".format(
values
)
)
instance.query_and_get_error(
"INSERT INTO test.nats SETTINGS stream_like_engine_insert_queue='foo.insert2' VALUES {}".format(
values
)
)
def test_nats_many_subjects_insert_right(nats_cluster):
instance.query(
"""
CREATE TABLE test.nats (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'right_insert1,right_insert2',
nats_format = 'TSV',
nats_row_delimiter = '\\n';
"""
)
while not check_table_is_ready(instance, "test.nats"):
logging.debug("Table test.nats is not yet ready")
time.sleep(0.5)
values = []
for i in range(50):
values.append("({i}, {i})".format(i=i))
values = ",".join(values)
insert_messages = []
async def sub_to_nats():
nc = await nats_connect_ssl(
nats_cluster.nats_port,
user="click",
password="house",
ssl_ctx=nats_cluster.nats_ssl_context,
)
sub = await nc.subscribe("right_insert1")
await sub.unsubscribe(50)
async for msg in sub.messages:
insert_messages.append(msg.data.decode())
await sub.drain()
await nc.drain()
def run_sub():
asyncio.run(sub_to_nats())
thread = threading.Thread(target=run_sub)
thread.start()
time.sleep(1)
while True:
try:
instance.query(
"INSERT INTO test.nats SETTINGS stream_like_engine_insert_queue='right_insert1' VALUES {}".format(
values
)
)
break
except QueryRuntimeException as e:
if "Local: Timed out." in str(e):
continue
else:
raise
thread.join()
result = "\n".join(insert_messages)
nats_check_result(result, True)
def test_nats_many_inserts(nats_cluster):
instance.query(
"""
DROP TABLE IF EXISTS test.nats_many;
DROP TABLE IF EXISTS test.nats_consume;
DROP TABLE IF EXISTS test.view_many;
DROP TABLE IF EXISTS test.consumer_many;
CREATE TABLE test.nats_many (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'many_inserts',
nats_format = 'TSV',
nats_row_delimiter = '\\n';
CREATE TABLE test.nats_consume (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'many_inserts',
nats_format = 'TSV',
nats_row_delimiter = '\\n';
CREATE TABLE test.view_many (key UInt64, value UInt64)
ENGINE = MergeTree
ORDER BY key;
CREATE MATERIALIZED VIEW test.consumer_many TO test.view_many AS
SELECT * FROM test.nats_consume;
"""
)
while not check_table_is_ready(instance, "test.nats_consume"):
logging.debug("Table test.nats_consume is not yet ready")
time.sleep(0.5)
messages_num = 10000
values = []
for i in range(messages_num):
values.append("({i}, {i})".format(i=i))
values = ",".join(values)
def insert():
while True:
try:
instance.query("INSERT INTO test.nats_many VALUES {}".format(values))
break
except QueryRuntimeException as e:
if "Local: Timed out." in str(e):
continue
else:
raise
threads = []
threads_num = 10
for _ in range(threads_num):
threads.append(threading.Thread(target=insert))
for thread in threads:
time.sleep(random.uniform(0, 1))
thread.start()
for thread in threads:
thread.join()
time_limit_sec = 300
deadline = time.monotonic() + time_limit_sec
while time.monotonic() < deadline:
result = instance.query("SELECT count() FROM test.view_many")
print(result, messages_num * threads_num)
if int(result) >= messages_num * threads_num:
break
time.sleep(1)
instance.query(
"""
DROP TABLE test.nats_consume;
DROP TABLE test.nats_many;
DROP TABLE test.consumer_many;
DROP TABLE test.view_many;
"""
)
assert (
int(result) == messages_num * threads_num
), "ClickHouse lost some messages or got duplicated ones. Total count: {}".format(
result
)
def test_nats_overloaded_insert(nats_cluster):
instance.query(
"""
DROP TABLE IF EXISTS test.view_overload;
DROP TABLE IF EXISTS test.consumer_overload;
DROP TABLE IF EXISTS test.nats_consume;
CREATE TABLE test.nats_consume (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'over',
nats_num_consumers = 5,
nats_max_block_size = 10000,
nats_format = 'TSV',
nats_row_delimiter = '\\n';
CREATE TABLE test.nats_overload (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'over',
nats_format = 'TSV',
nats_row_delimiter = '\\n';
CREATE TABLE test.view_overload (key UInt64, value UInt64)
ENGINE = MergeTree
ORDER BY key
SETTINGS old_parts_lifetime=5, cleanup_delay_period=2, cleanup_delay_period_random_add=3;
CREATE MATERIALIZED VIEW test.consumer_overload TO test.view_overload AS
SELECT * FROM test.nats_consume;
"""
)
while not check_table_is_ready(instance, "test.nats_consume"):
logging.debug("Table test.nats_consume is not yet ready")
time.sleep(0.5)
messages_num = 100000
def insert():
values = []
for i in range(messages_num):
values.append("({i}, {i})".format(i=i))
values = ",".join(values)
while True:
try:
instance.query(
"INSERT INTO test.nats_overload VALUES {}".format(values)
)
break
except QueryRuntimeException as e:
if "Local: Timed out." in str(e):
continue
else:
raise
threads = []
threads_num = 5
for _ in range(threads_num):
threads.append(threading.Thread(target=insert))
for thread in threads:
time.sleep(random.uniform(0, 1))
thread.start()
time_limit_sec = 300
deadline = time.monotonic() + time_limit_sec
while time.monotonic() < deadline:
result = instance.query("SELECT count() FROM test.view_overload")
time.sleep(1)
if int(result) >= messages_num * threads_num:
break
instance.query(
"""
DROP TABLE test.consumer_overload;
DROP TABLE test.view_overload;
DROP TABLE test.nats_consume;
DROP TABLE test.nats_overload;
"""
)
for thread in threads:
thread.join()
assert (
int(result) == messages_num * threads_num
), "ClickHouse lost some messages or got duplicated ones. Total count: {}".format(
result
)
def test_nats_virtual_column(nats_cluster):
instance.query(
"""
CREATE TABLE test.nats_virtuals (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'virtuals',
nats_format = 'JSONEachRow';
CREATE MATERIALIZED VIEW test.view Engine=Log AS
SELECT value, key, _subject FROM test.nats_virtuals;
"""
)
while not check_table_is_ready(instance, "test.nats_virtuals"):
logging.debug("Table test.nats_virtuals is not yet ready")
time.sleep(0.5)
message_num = 10
i = 0
messages = []
for _ in range(message_num):
messages.append(json.dumps({"key": i, "value": i}))
i += 1
asyncio.run(nats_produce_messages(nats_cluster, "virtuals", messages))
while True:
result = instance.query("SELECT count() FROM test.view")
time.sleep(1)
if int(result) == message_num:
break
result = instance.query(
"""
SELECT key, value, _subject
FROM test.view ORDER BY key
"""
)
expected = """\
0 0 virtuals
1 1 virtuals
2 2 virtuals
3 3 virtuals
4 4 virtuals
5 5 virtuals
6 6 virtuals
7 7 virtuals
8 8 virtuals
9 9 virtuals
"""
instance.query(
"""
DROP TABLE test.nats_virtuals;
DROP TABLE test.view;
"""
)
assert TSV(result) == TSV(expected)
def test_nats_virtual_column_with_materialized_view(nats_cluster):
instance.query(
"""
CREATE TABLE test.nats_virtuals_mv (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'virtuals_mv',
nats_format = 'JSONEachRow';
CREATE TABLE test.view (key UInt64, value UInt64, subject String) ENGINE = MergeTree()
ORDER BY key;
CREATE MATERIALIZED VIEW test.consumer TO test.view AS
SELECT *, _subject as subject
FROM test.nats_virtuals_mv;
"""
)
while not check_table_is_ready(instance, "test.nats_virtuals_mv"):
logging.debug("Table test.nats_virtuals_mv is not yet ready")
time.sleep(0.5)
message_num = 10
i = 0
messages = []
for _ in range(message_num):
messages.append(json.dumps({"key": i, "value": i}))
i += 1
asyncio.run(nats_produce_messages(nats_cluster, "virtuals_mv", messages))
while True:
result = instance.query("SELECT count() FROM test.view")
time.sleep(1)
if int(result) == message_num:
break
result = instance.query("SELECT key, value, subject FROM test.view ORDER BY key")
expected = """\
0 0 virtuals_mv
1 1 virtuals_mv
2 2 virtuals_mv
3 3 virtuals_mv
4 4 virtuals_mv
5 5 virtuals_mv
6 6 virtuals_mv
7 7 virtuals_mv
8 8 virtuals_mv
9 9 virtuals_mv
"""
instance.query(
"""
DROP TABLE test.consumer;
DROP TABLE test.view;
DROP TABLE test.nats_virtuals_mv
"""
)
assert TSV(result) == TSV(expected)
def test_nats_many_consumers_to_each_queue(nats_cluster):
instance.query(
"""
DROP TABLE IF EXISTS test.destination;
CREATE TABLE test.destination(key UInt64, value UInt64)
ENGINE = MergeTree()
ORDER BY key;
"""
)
num_tables = 4
for table_id in range(num_tables):
print(("Setting up table {}".format(table_id)))
instance.query(
"""
DROP TABLE IF EXISTS test.many_consumers_{0};
DROP TABLE IF EXISTS test.many_consumers_{0}_mv;
CREATE TABLE test.many_consumers_{0} (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'many_consumers',
nats_num_consumers = 2,
nats_queue_group = 'many_consumers',
nats_format = 'JSONEachRow',
nats_row_delimiter = '\\n';
CREATE MATERIALIZED VIEW test.many_consumers_{0}_mv TO test.destination AS
SELECT key, value FROM test.many_consumers_{0};
""".format(
table_id
)
)
while not check_table_is_ready(
instance, "test.many_consumers_{}".format(table_id)
):
logging.debug(
"Table test.many_consumers_{} is not yet ready".format(table_id)
)
time.sleep(0.5)
i = [0]
messages_num = 1000
def produce():
messages = []
for _ in range(messages_num):
messages.append(json.dumps({"key": i[0], "value": i[0]}))
i[0] += 1
asyncio.run(nats_produce_messages(nats_cluster, "many_consumers", messages))
threads = []
threads_num = 20
for _ in range(threads_num):
threads.append(threading.Thread(target=produce))
for thread in threads:
time.sleep(random.uniform(0, 1))
thread.start()
result1 = ""
while True:
result1 = instance.query("SELECT count() FROM test.destination")
time.sleep(1)
if int(result1) == messages_num * threads_num:
break
for thread in threads:
thread.join()
for consumer_id in range(num_tables):
instance.query(
"""
DROP TABLE test.many_consumers_{0};
DROP TABLE test.many_consumers_{0}_mv;
""".format(
consumer_id
)
)
instance.query(
"""
DROP TABLE test.destination;
"""
)
assert (
int(result1) == messages_num * threads_num
), "ClickHouse lost some messages: {}".format(result1)
def test_nats_restore_failed_connection_without_losses_on_write(nats_cluster):
instance.query(
"""
DROP TABLE IF EXISTS test.consume;
CREATE TABLE test.view (key UInt64, value UInt64)
ENGINE = MergeTree
ORDER BY key;
CREATE TABLE test.consume (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'producer_reconnect',
nats_format = 'JSONEachRow',
nats_num_consumers = 2,
nats_row_delimiter = '\\n';
CREATE MATERIALIZED VIEW test.consumer TO test.view AS
SELECT * FROM test.consume;
DROP TABLE IF EXISTS test.producer_reconnect;
CREATE TABLE test.producer_reconnect (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'producer_reconnect',
nats_format = 'JSONEachRow',
nats_row_delimiter = '\\n';
"""
)
while not check_table_is_ready(instance, "test.consume"):
logging.debug("Table test.consume is not yet ready")
time.sleep(0.5)
messages_num = 100000
values = []
for i in range(messages_num):
values.append("({i}, {i})".format(i=i))
values = ",".join(values)
while True:
try:
instance.query(
"INSERT INTO test.producer_reconnect VALUES {}".format(values)
)
break
except QueryRuntimeException as e:
if "Local: Timed out." in str(e):
continue
else:
raise
while int(instance.query("SELECT count() FROM test.view")) == 0:
time.sleep(0.1)
kill_nats(nats_cluster.nats_docker_id)
time.sleep(4)
revive_nats(nats_cluster.nats_docker_id, nats_cluster.nats_port)
while True:
result = instance.query("SELECT count(DISTINCT key) FROM test.view")
time.sleep(1)
if int(result) == messages_num:
break
instance.query(
"""
DROP TABLE test.consume;
DROP TABLE test.producer_reconnect;
"""
)
assert int(result) == messages_num, "ClickHouse lost some messages: {}".format(
result
)
def test_nats_no_connection_at_startup_1(nats_cluster):
# no connection when table is initialized
nats_cluster.pause_container("nats1")
instance.query_and_get_error(
"""
CREATE TABLE test.cs (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'cs',
nats_format = 'JSONEachRow',
nats_num_consumers = '5',
nats_row_delimiter = '\\n';
"""
)
nats_cluster.unpause_container("nats1")
def test_nats_no_connection_at_startup_2(nats_cluster):
instance.query(
"""
CREATE TABLE test.cs (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'cs',
nats_format = 'JSONEachRow',
nats_num_consumers = '5',
nats_row_delimiter = '\\n';
CREATE TABLE test.view (key UInt64, value UInt64)
ENGINE = MergeTree
ORDER BY key;
CREATE MATERIALIZED VIEW test.consumer TO test.view AS
SELECT * FROM test.cs;
"""
)
instance.query("DETACH TABLE test.cs")
nats_cluster.pause_container("nats1")
instance.query("ATTACH TABLE test.cs")
nats_cluster.unpause_container("nats1")
while not check_table_is_ready(instance, "test.cs"):
logging.debug("Table test.cs is not yet ready")
time.sleep(0.5)
messages_num = 1000
messages = []
for i in range(messages_num):
messages.append(json.dumps({"key": i, "value": i}))
asyncio.run(nats_produce_messages(nats_cluster, "cs", messages))
for _ in range(20):
result = instance.query("SELECT count() FROM test.view")
time.sleep(1)
if int(result) == messages_num:
break
instance.query(
"""
DROP TABLE test.consumer;
DROP TABLE test.cs;
"""
)
assert int(result) == messages_num, "ClickHouse lost some messages: {}".format(
result
)
def test_nats_format_factory_settings(nats_cluster):
instance.query(
"""
CREATE TABLE test.format_settings (
id String, date DateTime
) ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'format_settings',
nats_format = 'JSONEachRow',
date_time_input_format = 'best_effort';
"""
)
while not check_table_is_ready(instance, "test.format_settings"):
logging.debug("Table test.format_settings is not yet ready")
time.sleep(0.5)
message = json.dumps(
{"id": "format_settings_test", "date": "2021-01-19T14:42:33.1829214Z"}
)
expected = instance.query(
"""SELECT parseDateTimeBestEffort(CAST('2021-01-19T14:42:33.1829214Z', 'String'))"""
)
asyncio.run(nats_produce_messages(nats_cluster, "format_settings", [message]))
while True:
result = instance.query("SELECT date FROM test.format_settings")
if result == expected:
break
instance.query(
"""
CREATE TABLE test.view (
id String, date DateTime
) ENGINE = MergeTree ORDER BY id;
CREATE MATERIALIZED VIEW test.consumer TO test.view AS
SELECT * FROM test.format_settings;
"""
)
asyncio.run(nats_produce_messages(nats_cluster, "format_settings", [message]))
while True:
result = instance.query("SELECT date FROM test.view")
if result == expected:
break
instance.query(
"""
DROP TABLE test.consumer;
DROP TABLE test.format_settings;
"""
)
assert result == expected
def test_nats_bad_args(nats_cluster):
instance.query_and_get_error(
"""
CREATE TABLE test.drop (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_secure = true,
nats_format = 'JSONEachRow';
"""
)
def test_nats_drop_mv(nats_cluster):
instance.query(
"""
CREATE TABLE test.nats (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'mv',
nats_format = 'JSONEachRow';
CREATE TABLE test.view (key UInt64, value UInt64)
ENGINE = MergeTree()
ORDER BY key;
CREATE MATERIALIZED VIEW test.consumer TO test.view AS
SELECT * FROM test.nats;
"""
)
while not check_table_is_ready(instance, "test.nats"):
logging.debug("Table test.nats is not yet ready")
time.sleep(0.5)
messages = []
for i in range(20):
messages.append(json.dumps({"key": i, "value": i}))
asyncio.run(nats_produce_messages(nats_cluster, "mv", messages))
instance.query("DROP VIEW test.consumer")
messages = []
for i in range(20, 40):
messages.append(json.dumps({"key": i, "value": i}))
asyncio.run(nats_produce_messages(nats_cluster, "mv", messages))
instance.query(
"""
CREATE MATERIALIZED VIEW test.consumer TO test.view AS
SELECT * FROM test.nats;
"""
)
messages = []
for i in range(40, 50):
messages.append(json.dumps({"key": i, "value": i}))
asyncio.run(nats_produce_messages(nats_cluster, "mv", messages))
while True:
result = instance.query("SELECT * FROM test.view ORDER BY key")
if nats_check_result(result):
break
nats_check_result(result, True)
instance.query("DROP VIEW test.consumer")
messages = []
for i in range(50, 60):
messages.append(json.dumps({"key": i, "value": i}))
asyncio.run(nats_produce_messages(nats_cluster, "mv", messages))
count = 0
while True:
count = int(instance.query("SELECT count() FROM test.nats"))
if count:
break
assert count > 0
def test_nats_predefined_configuration(nats_cluster):
instance.query(
"""
CREATE TABLE test.nats (key UInt64, value UInt64)
ENGINE = NATS(nats1) """
)
while not check_table_is_ready(instance, "test.nats"):
logging.debug("Table test.nats is not yet ready")
time.sleep(0.5)
asyncio.run(
nats_produce_messages(
nats_cluster, "named", [json.dumps({"key": 1, "value": 2})]
)
)
while True:
result = instance.query(
"SELECT * FROM test.nats ORDER BY key", ignore_error=True
)
if result == "1\t2\n":
break
def test_format_with_prefix_and_suffix(nats_cluster):
instance.query(
"""
DROP TABLE IF EXISTS test.nats;
CREATE TABLE test.nats (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'custom',
nats_format = 'CustomSeparated';
"""
)
while not check_table_is_ready(instance, "test.nats"):
logging.debug("Table test.nats is not yet ready")
time.sleep(0.5)
insert_messages = []
async def sub_to_nats():
nc = await nats_connect_ssl(
nats_cluster.nats_port,
user="click",
password="house",
ssl_ctx=nats_cluster.nats_ssl_context,
)
sub = await nc.subscribe("custom")
await sub.unsubscribe(2)
async for msg in sub.messages:
insert_messages.append(msg.data.decode())
await sub.drain()
await nc.drain()
def run_sub():
asyncio.run(sub_to_nats())
thread = threading.Thread(target=run_sub)
thread.start()
time.sleep(1)
instance.query(
"INSERT INTO test.nats select number*10 as key, number*100 as value from numbers(2) settings format_custom_result_before_delimiter='<prefix>\n', format_custom_result_after_delimiter='<suffix>\n'"
)
thread.join()
assert (
"".join(insert_messages)
== "<prefix>\n0\t0\n<suffix>\n<prefix>\n10\t100\n<suffix>\n"
)
def test_max_rows_per_message(nats_cluster):
instance.query(
"""
DROP TABLE IF EXISTS test.view;
DROP TABLE IF EXISTS test.nats;
CREATE TABLE test.nats (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'custom1',
nats_format = 'CustomSeparated',
nats_max_rows_per_message = 3,
format_custom_result_before_delimiter = '<prefix>\n',
format_custom_result_after_delimiter = '<suffix>\n';
CREATE MATERIALIZED VIEW test.view Engine=Log AS
SELECT key, value FROM test.nats;
"""
)
while not check_table_is_ready(instance, "test.nats"):
logging.debug("Table test.nats is not yet ready")
time.sleep(0.5)
num_rows = 5
insert_messages = []
async def sub_to_nats():
nc = await nats_connect_ssl(
nats_cluster.nats_port,
user="click",
password="house",
ssl_ctx=nats_cluster.nats_ssl_context,
)
sub = await nc.subscribe("custom1")
await sub.unsubscribe(2)
async for msg in sub.messages:
insert_messages.append(msg.data.decode())
await sub.drain()
await nc.drain()
def run_sub():
asyncio.run(sub_to_nats())
thread = threading.Thread(target=run_sub)
thread.start()
time.sleep(1)
instance.query(
f"INSERT INTO test.nats select number*10 as key, number*100 as value from numbers({num_rows}) settings format_custom_result_before_delimiter='<prefix>\n', format_custom_result_after_delimiter='<suffix>\n'"
)
thread.join()
assert (
"".join(insert_messages)
== "<prefix>\n0\t0\n10\t100\n20\t200\n<suffix>\n<prefix>\n30\t300\n40\t400\n<suffix>\n"
)
attempt = 0
rows = 0
while attempt < 100:
rows = int(instance.query("SELECT count() FROM test.view"))
if rows == num_rows:
break
attempt += 1
assert rows == num_rows
result = instance.query("SELECT * FROM test.view")
assert result == "0\t0\n10\t100\n20\t200\n30\t300\n40\t400\n"
def test_row_based_formats(nats_cluster):
num_rows = 10
for format_name in [
"TSV",
"TSVWithNamesAndTypes",
"TSKV",
"CSV",
"CSVWithNamesAndTypes",
"CustomSeparatedWithNamesAndTypes",
"Values",
"JSON",
"JSONEachRow",
"JSONCompactEachRow",
"JSONCompactEachRowWithNamesAndTypes",
"JSONObjectEachRow",
"Avro",
"RowBinary",
"RowBinaryWithNamesAndTypes",
"MsgPack",
]:
print(format_name)
instance.query(
f"""
DROP TABLE IF EXISTS test.view;
DROP TABLE IF EXISTS test.nats;
CREATE TABLE test.nats (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = '{format_name}',
nats_format = '{format_name}';
CREATE MATERIALIZED VIEW test.view Engine=Log AS
SELECT key, value FROM test.nats;
"""
)
while not check_table_is_ready(instance, "test.nats"):
logging.debug("Table test.nats is not yet ready")
time.sleep(0.5)
insert_messages = 0
async def sub_to_nats():
nc = await nats_connect_ssl(
nats_cluster.nats_port,
user="click",
password="house",
ssl_ctx=nats_cluster.nats_ssl_context,
)
sub = await nc.subscribe(format_name)
await sub.unsubscribe(2)
async for msg in sub.messages:
nonlocal insert_messages
insert_messages += 1
await sub.drain()
await nc.drain()
def run_sub():
asyncio.run(sub_to_nats())
thread = threading.Thread(target=run_sub)
thread.start()
time.sleep(1)
instance.query(
f"INSERT INTO test.nats select number*10 as key, number*100 as value from numbers({num_rows})"
)
thread.join()
assert insert_messages == 2
attempt = 0
rows = 0
while attempt < 100:
rows = int(instance.query("SELECT count() FROM test.view"))
if rows == num_rows:
break
attempt += 1
assert rows == num_rows
expected = ""
for i in range(num_rows):
expected += str(i * 10) + "\t" + str(i * 100) + "\n"
result = instance.query("SELECT * FROM test.view")
assert result == expected
def test_block_based_formats_1(nats_cluster):
instance.query(
"""
DROP TABLE IF EXISTS test.nats;
CREATE TABLE test.nats (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = 'PrettySpace',
nats_format = 'PrettySpace';
"""
)
insert_messages = []
async def sub_to_nats():
nc = await nats_connect_ssl(
nats_cluster.nats_port,
user="click",
password="house",
ssl_ctx=nats_cluster.nats_ssl_context,
)
sub = await nc.subscribe("PrettySpace")
await sub.unsubscribe(3)
async for msg in sub.messages:
insert_messages.append(msg.data.decode())
await sub.drain()
await nc.drain()
def run_sub():
asyncio.run(sub_to_nats())
thread = threading.Thread(target=run_sub)
thread.start()
time.sleep(1)
attempt = 0
while attempt < 100:
try:
instance.query(
"INSERT INTO test.nats SELECT number * 10 as key, number * 100 as value FROM numbers(5) settings max_block_size=2, optimize_trivial_insert_select=0;"
)
break
except Exception:
logging.debug("Table test.nats is not yet ready")
time.sleep(0.5)
attempt += 1
thread.join()
data = []
for message in insert_messages:
splitted = message.split("\n")
assert splitted[0] == " \x1b[1mkey\x1b[0m \x1b[1mvalue\x1b[0m"
assert splitted[1] == ""
assert splitted[-1] == ""
data += [line.split() for line in splitted[2:-1]]
assert data == [
["0", "0"],
["10", "100"],
["20", "200"],
["30", "300"],
["40", "400"],
]
def test_block_based_formats_2(nats_cluster):
num_rows = 100
for format_name in [
"JSONColumns",
"Native",
"Arrow",
"Parquet",
"ORC",
"JSONCompactColumns",
]:
print(format_name)
instance.query(
f"""
DROP TABLE IF EXISTS test.view;
DROP TABLE IF EXISTS test.nats;
CREATE TABLE test.nats (key UInt64, value UInt64)
ENGINE = NATS
SETTINGS nats_url = 'nats1:4444',
nats_subjects = '{format_name}',
nats_format = '{format_name}';
CREATE MATERIALIZED VIEW test.view Engine=Log AS
SELECT key, value FROM test.nats;
"""
)
while not check_table_is_ready(instance, "test.nats"):
logging.debug("Table test.nats is not yet ready")
time.sleep(0.5)
insert_messages = 0
async def sub_to_nats():
nc = await nats_connect_ssl(
nats_cluster.nats_port,
user="click",
password="house",
ssl_ctx=nats_cluster.nats_ssl_context,
)
sub = await nc.subscribe(format_name)
await sub.unsubscribe(9)
async for msg in sub.messages:
nonlocal insert_messages
insert_messages += 1
await sub.drain()
await nc.drain()
def run_sub():
asyncio.run(sub_to_nats())
thread = threading.Thread(target=run_sub)
thread.start()
time.sleep(1)
instance.query(
f"INSERT INTO test.nats SELECT number * 10 as key, number * 100 as value FROM numbers({num_rows}) settings max_block_size=12, optimize_trivial_insert_select=0;"
)
thread.join()
assert insert_messages == 9
attempt = 0
rows = 0
while attempt < 100:
rows = int(instance.query("SELECT count() FROM test.view"))
if rows == num_rows:
break
attempt += 1
assert rows == num_rows
result = instance.query("SELECT * FROM test.view ORDER by key")
expected = ""
for i in range(num_rows):
expected += str(i * 10) + "\t" + str(i * 100) + "\n"
assert result == expected
if __name__ == "__main__":
cluster.start()
input("Cluster created, press any key to destroy...")
cluster.shutdown()