mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-21 07:01:59 +00:00
227 lines
7.9 KiB
Python
227 lines
7.9 KiB
Python
#!/usr/bin/env python3
|
|
|
|
import socket
|
|
import csv
|
|
import sys
|
|
import tempfile
|
|
import threading
|
|
import os
|
|
import traceback
|
|
import urllib.request
|
|
import subprocess
|
|
from io import StringIO
|
|
from http.server import BaseHTTPRequestHandler, HTTPServer
|
|
|
|
def is_ipv6(host):
|
|
try:
|
|
socket.inet_aton(host)
|
|
return False
|
|
except:
|
|
return True
|
|
|
|
def get_local_port(host, ipv6):
|
|
if ipv6:
|
|
family = socket.AF_INET6
|
|
else:
|
|
family = socket.AF_INET
|
|
|
|
with socket.socket(family) as fd:
|
|
fd.bind((host, 0))
|
|
return fd.getsockname()[1]
|
|
|
|
CLICKHOUSE_HOST = os.environ.get('CLICKHOUSE_HOST', '127.0.0.1')
|
|
CLICKHOUSE_PORT_HTTP = os.environ.get('CLICKHOUSE_PORT_HTTP', '8123')
|
|
|
|
#####################################################################################
|
|
# This test starts an HTTP server and serves data to clickhouse url-engine based table.
|
|
# In order for it to work ip+port of http server (given below) should be
|
|
# accessible from clickhouse server.
|
|
#####################################################################################
|
|
|
|
# IP-address of this host accessible from the outside world. Get the first one
|
|
HTTP_SERVER_HOST = subprocess.check_output(['hostname', '-i']).decode('utf-8').strip().split()[0]
|
|
IS_IPV6 = is_ipv6(HTTP_SERVER_HOST)
|
|
HTTP_SERVER_PORT = get_local_port(HTTP_SERVER_HOST, IS_IPV6)
|
|
|
|
# IP address and port of the HTTP server started from this script.
|
|
HTTP_SERVER_ADDRESS = (HTTP_SERVER_HOST, HTTP_SERVER_PORT)
|
|
if IS_IPV6:
|
|
HTTP_SERVER_URL_STR = 'http://' + f'[{str(HTTP_SERVER_ADDRESS[0])}]:{str(HTTP_SERVER_ADDRESS[1])}' + "/"
|
|
else:
|
|
HTTP_SERVER_URL_STR = 'http://' + f'{str(HTTP_SERVER_ADDRESS[0])}:{str(HTTP_SERVER_ADDRESS[1])}' + "/"
|
|
|
|
CSV_DATA = os.path.join(tempfile._get_default_tempdir(), next(tempfile._get_candidate_names()))
|
|
|
|
def get_ch_answer(query):
|
|
host = CLICKHOUSE_HOST
|
|
if IS_IPV6:
|
|
host = f'[{host}]'
|
|
|
|
url = os.environ.get('CLICKHOUSE_URL', 'http://{host}:{port}'.format(host=CLICKHOUSE_HOST, port=CLICKHOUSE_PORT_HTTP))
|
|
return urllib.request.urlopen(url, data=query.encode()).read().decode()
|
|
|
|
def check_answers(query, answer):
|
|
ch_answer = get_ch_answer(query)
|
|
if ch_answer.strip() != answer.strip():
|
|
print("FAIL on query:", query, file=sys.stderr)
|
|
print("Expected answer:", answer, file=sys.stderr)
|
|
print("Fetched answer :", ch_answer, file=sys.stderr)
|
|
raise Exception("Fail on query")
|
|
|
|
class CSVHTTPServer(BaseHTTPRequestHandler):
|
|
def _set_headers(self):
|
|
self.send_response(200)
|
|
self.send_header('Content-type', 'text/csv')
|
|
self.end_headers()
|
|
|
|
def do_GET(self):
|
|
self._set_headers()
|
|
with open(CSV_DATA, 'r') as fl:
|
|
reader = csv.reader(fl, delimiter=',')
|
|
for row in reader:
|
|
self.wfile.write((', '.join(row) + '\n').encode())
|
|
return
|
|
|
|
def read_chunk(self):
|
|
msg = ''
|
|
while True:
|
|
sym = self.rfile.read(1)
|
|
if sym == '':
|
|
break
|
|
msg += sym.decode('utf-8')
|
|
if msg.endswith('\r\n'):
|
|
break
|
|
length = int(msg[:-2], 16)
|
|
if length == 0:
|
|
return ''
|
|
content = self.rfile.read(length)
|
|
self.rfile.read(2) # read sep \r\n
|
|
return content.decode('utf-8')
|
|
|
|
def do_POST(self):
|
|
data = ''
|
|
while True:
|
|
chunk = self.read_chunk()
|
|
if not chunk:
|
|
break
|
|
data += chunk
|
|
with StringIO(data) as fl:
|
|
reader = csv.reader(fl, delimiter=',')
|
|
with open(CSV_DATA, 'a') as d:
|
|
for row in reader:
|
|
d.write(','.join(row) + '\n')
|
|
self._set_headers()
|
|
self.wfile.write(b"ok")
|
|
|
|
def log_message(self, format, *args):
|
|
return
|
|
|
|
|
|
class HTTPServerV6(HTTPServer):
|
|
address_family = socket.AF_INET6
|
|
|
|
def start_server(requests_amount):
|
|
if IS_IPV6:
|
|
httpd = HTTPServerV6(HTTP_SERVER_ADDRESS, CSVHTTPServer)
|
|
else:
|
|
httpd = HTTPServer(HTTP_SERVER_ADDRESS, CSVHTTPServer)
|
|
|
|
def real_func():
|
|
for i in range(requests_amount):
|
|
httpd.handle_request()
|
|
|
|
t = threading.Thread(target=real_func)
|
|
return t
|
|
|
|
# test section
|
|
|
|
def test_select(table_name="", schema="str String,numuint UInt32,numint Int32,double Float64", requests=[], answers=[], test_data=""):
|
|
with open(CSV_DATA, 'w') as f: # clear file
|
|
f.write('')
|
|
|
|
if test_data:
|
|
with open(CSV_DATA, 'w') as f:
|
|
f.write(test_data + "\n")
|
|
|
|
if table_name:
|
|
get_ch_answer("drop table if exists {}".format(table_name))
|
|
get_ch_answer("create table {} ({}) engine=URL('{}', 'CSV')".format(table_name, schema, HTTP_SERVER_URL_STR))
|
|
|
|
for i in range(len(requests)):
|
|
tbl = table_name
|
|
if not tbl:
|
|
tbl = "url('{addr}', 'CSV', '{schema}')".format(addr=HTTP_SERVER_URL_STR, schema=schema)
|
|
check_answers(requests[i].format(tbl=tbl), answers[i])
|
|
|
|
if table_name:
|
|
get_ch_answer("drop table if exists {}".format(table_name))
|
|
|
|
def test_insert(table_name="", schema="str String,numuint UInt32,numint Int32,double Float64", requests_insert=[], requests_select=[], answers=[]):
|
|
with open(CSV_DATA, 'w') as f: # flush test file
|
|
f.write('')
|
|
|
|
if table_name:
|
|
get_ch_answer("drop table if exists {}".format(table_name))
|
|
get_ch_answer("create table {} ({}) engine=URL('{}', 'CSV')".format(table_name, schema, HTTP_SERVER_URL_STR))
|
|
|
|
for req in requests_insert:
|
|
tbl = table_name
|
|
if not tbl:
|
|
tbl = "table function url('{addr}', 'CSV', '{schema}')".format(addr=HTTP_SERVER_URL_STR, schema=schema)
|
|
get_ch_answer(req.format(tbl=tbl))
|
|
|
|
|
|
for i in range(len(requests_select)):
|
|
tbl = table_name
|
|
if not tbl:
|
|
tbl = "url('{addr}', 'CSV', '{schema}')".format(addr=HTTP_SERVER_URL_STR, schema=schema)
|
|
check_answers(requests_select[i].format(tbl=tbl), answers[i])
|
|
|
|
if table_name:
|
|
get_ch_answer("drop table if exists {}".format(table_name))
|
|
|
|
|
|
def main():
|
|
test_data = "Hello,2,-2,7.7\nWorld,2,-5,8.8"
|
|
select_only_requests = {
|
|
"select str,numuint,numint,double from {tbl}" : test_data.replace(',', '\t'),
|
|
"select numuint, count(*) from {tbl} group by numuint" : "2\t2",
|
|
"select str,numuint,numint,double from {tbl} limit 1": test_data.split("\n")[0].replace(',', '\t'),
|
|
}
|
|
|
|
insert_requests = [
|
|
"insert into {tbl} values('Hello',10,-2,7.7)('World',10,-5,7.7)",
|
|
"insert into {tbl} select 'Buy', number, 9-number, 9.9 from system.numbers limit 10",
|
|
]
|
|
|
|
select_requests = {
|
|
"select distinct numuint from {tbl} order by numuint": '\n'.join([str(i) for i in range(11)]),
|
|
"select count(*) from {tbl}": '12',
|
|
'select double, count(*) from {tbl} group by double': "7.7\t2\n9.9\t10"
|
|
}
|
|
|
|
t = start_server(len(select_only_requests) * 2 + (len(insert_requests) + len(select_requests)) * 2)
|
|
t.start()
|
|
# test table with url engine
|
|
test_select(table_name="test_table_select", requests=list(select_only_requests.keys()), answers=list(select_only_requests.values()), test_data=test_data)
|
|
# test table function url
|
|
test_select(requests=list(select_only_requests.keys()), answers=list(select_only_requests.values()), test_data=test_data)
|
|
#test insert into table with url engine
|
|
test_insert(table_name="test_table_insert", requests_insert=insert_requests, requests_select=list(select_requests.keys()), answers=list(select_requests.values()))
|
|
#test insert into table function url
|
|
test_insert(requests_insert=insert_requests, requests_select=list(select_requests.keys()), answers=list(select_requests.values()))
|
|
t.join()
|
|
print("PASSED")
|
|
|
|
|
|
if __name__ == "__main__":
|
|
try:
|
|
main()
|
|
except Exception as ex:
|
|
exc_type, exc_value, exc_traceback = sys.exc_info()
|
|
traceback.print_tb(exc_traceback, file=sys.stderr)
|
|
print(ex, file=sys.stderr)
|
|
sys.stderr.flush()
|
|
|
|
os._exit(1)
|