ClickHouse/tests/queries/server.py

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import os
import random
import socket
import subprocess
import sys
import threading
import time
class ServerThread(threading.Thread):
DEFAULT_RETRIES = 3
DEFAULT_SERVER_DELAY = 0.5 # seconds
DEFAULT_CONNECTION_TIMEOUT = 1.0 # seconds
def __init__(self, bin_prefix, tmp_dir):
self._bin = bin_prefix + '-server'
self._lock = threading.Lock()
threading.Thread.__init__(self)
self._lock.acquire()
self.tmp_dir = tmp_dir
self.log_dir = os.path.join(tmp_dir, 'log')
self.etc_dir = os.path.join(tmp_dir, 'etc')
self.server_config = os.path.join(self.etc_dir, 'server-config.xml')
self.users_config = os.path.join(self.etc_dir, 'users.xml')
os.makedirs(self.log_dir)
os.makedirs(self.etc_dir)
def _choose_ports_and_args(self):
port_base = random.SystemRandom().randrange(10000, 60000)
self.tcp_port = port_base + 1
self.http_port = port_base + 2
self.inter_port = port_base + 3
self.tcps_port = port_base + 4
self.https_port = port_base + 5
self.odbc_port = port_base + 6
self._args = [
'--config-file={config_path}'.format(config_path=self.server_config),
'--',
'--tcp_port={tcp_port}'.format(tcp_port=self.tcp_port),
'--http_port={http_port}'.format(http_port=self.http_port),
'--interserver_http_port={inter_port}'.format(inter_port=self.inter_port),
]
with open(self.server_config, 'w') as f:
f.write(ServerThread.DEFAULT_SERVER_CONFIG.format(
tmp_dir=self.tmp_dir, log_dir=self.log_dir, tcp_port=self.tcp_port))
with open(self.users_config, 'w') as f:
f.write(ServerThread.DEFAULT_USERS_CONFIG)
def run(self):
retries = ServerThread.DEFAULT_RETRIES
while retries:
self._choose_ports_and_args()
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print('Start clickhouse-server with args:', self._args)
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self._proc = subprocess.Popen([self._bin] + self._args, shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
while self._proc.poll() is None:
try:
time.sleep(ServerThread.DEFAULT_SERVER_DELAY)
s = socket.create_connection(('localhost', self.tcp_port), ServerThread.DEFAULT_CONNECTION_TIMEOUT)
s.sendall('G') # trigger expected "bad" HELLO response
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print('Successful server response:', s.recv(1024)) # FIXME: read whole buffered response
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s.shutdown(socket.SHUT_RDWR)
s.close()
except Exception as e:
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print('Failed to connect to server:', e, file=sys.stderr)
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continue
else:
break
# If process has died then try to fetch output before releasing lock
if self._proc.returncode is not None:
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stdout, stderr = self._proc.communicate()
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print(stdout, file=sys.stderr)
print(stderr, file=sys.stderr)
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if self._proc.returncode == 70: # Address already in use
retries -= 1
continue
break
self._lock.release()
while self._proc.returncode is None:
self._proc.communicate()
def wait(self):
self._lock.acquire()
if self._proc.returncode is not None:
self.join()
self._lock.release()
return self._proc.returncode
def stop(self):
if self._proc.returncode is None:
self._proc.terminate()
self.join()
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print('Stop clickhouse-server')
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ServerThread.DEFAULT_SERVER_CONFIG = \
"""\
<?xml version="1.0"?>
<yandex>
<logger>
<level>trace</level>
<log>{log_dir}/server/stdout.txt</log>
<errorlog>{log_dir}/server/stderr.txt</errorlog>
<size>never</size>
<count>1</count>
</logger>
<listen_host>::</listen_host>
<path>{tmp_dir}/data/</path>
<tmp_path>{tmp_dir}/tmp/</tmp_path>
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<access_control_path>{tmp_dir}/data/access/</access_control_path>
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<users_config>users.xml</users_config>
<mark_cache_size>5368709120</mark_cache_size>
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<timezone>Europe/Moscow</timezone>
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<remote_servers>
<test_shard_localhost>
<shard>
<replica>
<host>localhost</host>
<port>{tcp_port}</port>
</replica>
</shard>
</test_shard_localhost>
<test_cluster_two_shards_localhost>
<shard>
<replica>
<host>localhost</host>
<port>{tcp_port}</port>
</replica>
</shard>
<shard>
<replica>
<host>localhost</host>
<port>{tcp_port}</port>
</replica>
</shard>
</test_cluster_two_shards_localhost>
<test_unavailable_shard>
<shard>
<replica>
<host>localhost</host>
<port>{tcp_port}</port>
</replica>
</shard>
<shard>
<replica>
<host>localhost</host>
<port>1</port>
</replica>
</shard>
</test_unavailable_shard>
</remote_servers>
</yandex>
"""
ServerThread.DEFAULT_USERS_CONFIG = \
"""\
<?xml version="1.0"?>
<yandex>
<profiles>
<default>
<max_memory_usage>10000000000</max_memory_usage>
<use_uncompressed_cache>0</use_uncompressed_cache>
<load_balancing>random</load_balancing>
</default>
<readonly>
<readonly>1</readonly>
</readonly>
</profiles>
<users>
<default>
<password></password>
<networks replace="replace">
<ip>::/0</ip>
</networks>
<profile>default</profile>
<quota>default</quota>
<access_management>1</access_management>
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</default>
<readonly>
<password></password>
<networks replace="replace">
<ip>::1</ip>
<ip>127.0.0.1</ip>
</networks>
<profile>readonly</profile>
<quota>default</quota>
</readonly>
</users>
<quotas>
<default>
<interval>
<duration>3600</duration>
<queries>0</queries>
<errors>0</errors>
<result_rows>0</result_rows>
<read_rows>0</read_rows>
<execution_time>0</execution_time>
</interval>
</default>
</quotas>
</yandex>
"""