ClickHouse/tests/integration/test_profile_events_s3/test.py

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import logging
import re
import pytest
import requests
from helpers.cluster import ClickHouseCluster
@pytest.fixture(scope="module")
def cluster():
try:
cluster = ClickHouseCluster(__file__)
cluster.add_instance("node", main_configs=["configs/config.d/storage_conf.xml", "configs/log.xml",
"configs/query_log.xml", "configs/ssl_conf.xml"], with_minio=True)
logging.info("Starting cluster...")
cluster.start()
logging.info("Cluster started")
yield cluster
finally:
cluster.shutdown()
init_list = {
"S3ReadMicroseconds": 0,
"S3ReadBytes": 0,
"S3ReadRequestsCount": 0,
"S3ReadRequestsErrorsTotal": 0,
"S3ReadRequestsErrors503": 0,
"S3ReadRequestsRedirects": 0,
"S3WriteMicroseconds": 0,
"S3WriteBytes": 0,
"S3WriteRequestsCount": 0,
"S3WriteRequestsErrorsTotal": 0,
"S3WriteRequestsErrors503": 0,
"S3WriteRequestsRedirects": 0,
}
def get_s3_events(instance):
result = init_list.copy()
events = instance.query("SELECT event,value FROM system.events WHERE event LIKE 'S3%'").split("\n")
for event in events:
ev = event.split("\t")
if len(ev) == 2:
result[ev[0]] = int(ev[1])
return result
def get_minio_stat(cluster):
result = {
"get_requests": 0,
"set_requests": 0,
"errors": 0,
"rx_bytes": 0,
"tx_bytes": 0,
}
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stat = requests.get(url="http://{}:{}/minio/prometheus/metrics".format(cluster.minio_ip, cluster.minio_port)).text.split(
"\n")
for line in stat:
x = re.search("s3_requests_total(\{.*\})?\s(\d+)(\s.*)?", line)
if x != None:
y = re.search(".*api=\"(get|list|head|select).*", x.group(1))
if y != None:
result["get_requests"] += int(x.group(2))
else:
result["set_requests"] += int(x.group(2))
x = re.search("s3_errors_total(\{.*\})?\s(\d+)(\s.*)?", line)
if x != None:
result["errors"] += int(x.group(2))
x = re.search("s3_rx_bytes_total(\{.*\})?\s([\d\.e\+\-]+)(\s.*)?", line)
if x != None:
result["tx_bytes"] += float(x.group(2))
x = re.search("s3_tx_bytes_total(\{.*\})?\s([\d\.e\+\-]+)(\s.*)?", line)
if x != None:
result["rx_bytes"] += float(x.group(2))
return result
def get_query_stat(instance, hint):
result = init_list.copy()
instance.query("SYSTEM FLUSH LOGS")
events = instance.query('''
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SELECT ProfileEvents.keys, ProfileEvents.values
FROM system.query_log
ARRAY JOIN ProfileEvents
WHERE type != 1 AND query LIKE '%{}%'
'''.format(hint.replace("'", "\\'"))).split("\n")
for event in events:
ev = event.split("\t")
if len(ev) == 2:
if ev[0].startswith("S3"):
result[ev[0]] += int(ev[1])
return result
def get_minio_size(cluster):
minio = cluster.minio_client
size = 0
for obj in minio.list_objects(cluster.minio_bucket, 'data/'):
size += obj.size
return size
def test_profile_events(cluster):
instance = cluster.instances["node"]
instance.query("SYSTEM FLUSH LOGS")
instance.query("DROP TABLE IF EXISTS test_s3.test_s3")
instance.query("DROP DATABASE IF EXISTS test_s3")
instance.query("CREATE DATABASE IF NOT EXISTS test_s3")
metrics0 = get_s3_events(instance)
minio0 = get_minio_stat(cluster)
query1 = "CREATE TABLE test_s3.test_s3 (key UInt32, value UInt32) ENGINE=MergeTree PRIMARY KEY key ORDER BY key SETTINGS storage_policy='s3'"
instance.query(query1)
size1 = get_minio_size(cluster)
metrics1 = get_s3_events(instance)
minio1 = get_minio_stat(cluster)
assert metrics1["S3ReadRequestsCount"] - metrics0["S3ReadRequestsCount"] == minio1["get_requests"] - minio0[
"get_requests"] - 1 # 1 from get_minio_size
assert metrics1["S3WriteRequestsCount"] - metrics0["S3WriteRequestsCount"] == minio1["set_requests"] - minio0[
"set_requests"]
stat1 = get_query_stat(instance, query1)
for metric in stat1:
assert stat1[metric] == metrics1[metric] - metrics0[metric]
assert metrics1["S3WriteBytes"] - metrics0["S3WriteBytes"] == size1
query2 = "INSERT INTO test_s3.test_s3 FORMAT Values"
instance.query(query2 + " (1,1)")
size2 = get_minio_size(cluster)
metrics2 = get_s3_events(instance)
minio2 = get_minio_stat(cluster)
assert metrics2["S3ReadRequestsCount"] - metrics1["S3ReadRequestsCount"] == minio2["get_requests"] - minio1[
"get_requests"] - 1 # 1 from get_minio_size
assert metrics2["S3WriteRequestsCount"] - metrics1["S3WriteRequestsCount"] == minio2["set_requests"] - minio1[
"set_requests"]
stat2 = get_query_stat(instance, query2)
for metric in stat2:
assert stat2[metric] == metrics2[metric] - metrics1[metric]
assert metrics2["S3WriteBytes"] - metrics1["S3WriteBytes"] == size2 - size1
query3 = "SELECT * from test_s3.test_s3"
assert instance.query(query3) == "1\t1\n"
metrics3 = get_s3_events(instance)
minio3 = get_minio_stat(cluster)
assert metrics3["S3ReadRequestsCount"] - metrics2["S3ReadRequestsCount"] == minio3["get_requests"] - minio2[
"get_requests"]
assert metrics3["S3WriteRequestsCount"] - metrics2["S3WriteRequestsCount"] == minio3["set_requests"] - minio2[
"set_requests"]
stat3 = get_query_stat(instance, query3)
for metric in stat3:
assert stat3[metric] == metrics3[metric] - metrics2[metric]