mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-11 17:02:25 +00:00
169 lines
5.5 KiB
Python
169 lines
5.5 KiB
Python
#!/usr/bin/env python3
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from http.server import SimpleHTTPRequestHandler,HTTPServer
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import socket
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import csv
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import sys
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import tempfile
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import threading
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import os
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import gzip
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import traceback
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import urllib.request
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import subprocess
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import lzma
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def get_local_port(host):
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with socket.socket() as fd:
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fd.bind((host, 0))
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return fd.getsockname()[1]
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CLICKHOUSE_HOST = os.environ.get('CLICKHOUSE_HOST', '127.0.0.1')
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CLICKHOUSE_PORT_HTTP = os.environ.get('CLICKHOUSE_PORT_HTTP', '8123')
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#####################################################################################
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# This test starts an HTTP server and serves data to clickhouse url-engine based table.
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# The main goal of this test is checking that compress methods are working.
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# In order for it to work ip+port of http server (given below) should be
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# accessible from clickhouse server.
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#####################################################################################
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# IP-address of this host accessible from the outside world. Get the first one
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HTTP_SERVER_HOST = subprocess.check_output(['hostname', '-i']).decode('utf-8').strip().split()[0]
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HTTP_SERVER_PORT = get_local_port(HTTP_SERVER_HOST)
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# IP address and port of the HTTP server started from this script.
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HTTP_SERVER_ADDRESS = (HTTP_SERVER_HOST, HTTP_SERVER_PORT)
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HTTP_SERVER_URL_STR = 'http://' + ':'.join(str(s) for s in HTTP_SERVER_ADDRESS) + "/"
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# Because we need to check the content of file.csv we can create this content and avoid reading csv
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CSV_DATA = "Hello, 1\nWorld, 2\nThis, 152\nis, 9283\ntesting, 2313213\ndata, 555\n"
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# Choose compression method
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# (Will change during test, need to check standard data sending, to make sure that nothing broke)
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COMPRESS_METHOD = 'none'
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ADDING_ENDING = ''
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ENDINGS = ['.gz', '.xz']
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SEND_ENCODING = True
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def get_ch_answer(query):
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url = os.environ.get('CLICKHOUSE_URL', 'http://{host}:{port}'.format(host=CLICKHOUSE_HOST, port=CLICKHOUSE_PORT_HTTP))
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return urllib.request.urlopen(url, data=query.encode()).read().decode()
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def check_answers(query, answer):
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ch_answer = get_ch_answer(query)
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if ch_answer.strip() != answer.strip():
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print("FAIL on query:", query, file=sys.stderr)
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print("Expected answer:", answer, file=sys.stderr)
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print("Fetched answer :", ch_answer, file=sys.stderr)
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raise Exception("Fail on query")
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# Server with head method which is useful for debuging by hands
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class HttpProcessor(SimpleHTTPRequestHandler):
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def _set_headers(self):
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self.send_response(200)
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if SEND_ENCODING:
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self.send_header('Content-Encoding', COMPRESS_METHOD)
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if COMPRESS_METHOD == 'none':
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self.send_header('Content-Length', len(CSV_DATA.encode()))
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else:
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self.compress_data()
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self.send_header('Content-Length', len(self.data))
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self.send_header('Content-Type', 'text/csv')
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self.end_headers()
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def do_HEAD(self):
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self._set_headers()
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return
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def compress_data(self):
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if COMPRESS_METHOD == 'gzip':
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self.data = gzip.compress((CSV_DATA).encode())
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elif COMPRESS_METHOD == 'lzma':
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self.data = lzma.compress((CSV_DATA).encode())
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else:
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self.data = 'WRONG CONVERSATION'.encode()
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def do_GET(self):
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self._set_headers()
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if COMPRESS_METHOD == 'none':
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self.wfile.write(CSV_DATA.encode())
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else:
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self.wfile.write(self.data)
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return
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def log_message(self, format, *args):
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return
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def start_server(requests_amount):
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httpd = HTTPServer(HTTP_SERVER_ADDRESS, HttpProcessor)
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def real_func():
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for i in range(requests_amount):
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httpd.handle_request()
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t = threading.Thread(target=real_func)
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return t
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#####################################################################
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# Testing area.
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#####################################################################
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def test_select(dict_name="", schema="word String, counter UInt32", requests=[], answers=[], test_data=""):
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global ADDING_ENDING
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global SEND_ENCODING
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global COMPRESS_METHOD
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for i in range(len(requests)):
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if i > 2:
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ADDING_ENDING = ENDINGS[i-3]
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SEND_ENCODING = False
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if dict_name:
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get_ch_answer("drop dictionary if exists {}".format(dict_name))
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get_ch_answer('''CREATE DICTIONARY {} ({})
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PRIMARY KEY word
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SOURCE(HTTP(url '{}' format 'CSV'))
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LAYOUT(complex_key_hashed())
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LIFETIME(0)'''.format(dict_name, schema, HTTP_SERVER_URL_STR+'/test.csv' + ADDING_ENDING))
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COMPRESS_METHOD = requests[i]
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print(i, COMPRESS_METHOD, ADDING_ENDING, SEND_ENCODING)
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check_answers("select * from {}".format(dict_name), answers[i])
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def main():
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# first three for encoding, second three for url
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insert_requests = [
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'none',
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'gzip',
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'lzma',
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'gzip',
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'lzma'
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]
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# This answers got experemently in non compressed mode and they are correct
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answers = ['''This 152\nHello 1\nis 9283\ndata 555\nWorld 2\ntesting 2313213'''] * 5
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t = start_server(len(insert_requests))
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t.start()
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test_select(dict_name="test_table_select", requests=insert_requests, answers=answers)
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t.join()
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print("PASSED")
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if __name__ == "__main__":
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try:
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main()
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except Exception as ex:
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exc_type, exc_value, exc_traceback = sys.exc_info()
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traceback.print_tb(exc_traceback, file=sys.stderr)
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print(ex, file=sys.stderr)
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sys.stderr.flush()
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os._exit(1)
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