mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-13 19:14:30 +00:00
134 lines
4.5 KiB
Python
134 lines
4.5 KiB
Python
import errno
|
|
import subprocess as sp
|
|
from threading import Timer
|
|
import tempfile
|
|
import os
|
|
|
|
|
|
class Client:
|
|
def __init__(self, host, port=9000, command='/usr/bin/clickhouse-client'):
|
|
self.host = host
|
|
self.port = port
|
|
self.command = [command]
|
|
|
|
if os.path.basename(command) == 'clickhouse':
|
|
self.command.append('client')
|
|
|
|
self.command += ['--host', self.host, '--port', str(self.port), '--stacktrace']
|
|
|
|
|
|
def query(self, sql, stdin=None, timeout=None, settings=None, user=None, ignore_error=False):
|
|
return self.get_query_request(sql, stdin=stdin, timeout=timeout, settings=settings, user=user, ignore_error=ignore_error).get_answer()
|
|
|
|
|
|
def get_query_request(self, sql, stdin=None, timeout=None, settings=None, user=None, ignore_error=False):
|
|
command = self.command[:]
|
|
|
|
if stdin is None:
|
|
command += ['--multiquery', '--testmode']
|
|
stdin = sql
|
|
else:
|
|
command += ['--query', sql]
|
|
|
|
if settings is not None:
|
|
for setting, value in settings.iteritems():
|
|
command += ['--' + setting, str(value)]
|
|
|
|
if user is not None:
|
|
command += ['--user', user]
|
|
|
|
return CommandRequest(command, stdin, timeout, ignore_error)
|
|
|
|
|
|
def query_and_get_error(self, sql, stdin=None, timeout=None, settings=None, user=None):
|
|
return self.get_query_request(sql, stdin=stdin, timeout=timeout, settings=settings, user=user).get_error()
|
|
|
|
|
|
def query_and_get_answer_with_error(self, sql, stdin=None, timeout=None, settings=None, user=None):
|
|
return self.get_query_request(sql, stdin=stdin, timeout=timeout, settings=settings, user=user).get_answer_and_error()
|
|
|
|
class QueryTimeoutExceedException(Exception):
|
|
pass
|
|
|
|
|
|
class QueryRuntimeException(Exception):
|
|
pass
|
|
|
|
|
|
class CommandRequest:
|
|
def __init__(self, command, stdin=None, timeout=None, ignore_error=False):
|
|
# Write data to tmp file to avoid PIPEs and execution blocking
|
|
stdin_file = tempfile.TemporaryFile()
|
|
stdin_file.write(stdin)
|
|
stdin_file.seek(0)
|
|
self.stdout_file = tempfile.TemporaryFile()
|
|
self.stderr_file = tempfile.TemporaryFile()
|
|
self.ignore_error = ignore_error
|
|
|
|
#print " ".join(command)
|
|
|
|
# we suppress stderror on client becase sometimes thread sanitizer
|
|
# can print some debug information there
|
|
env = {}
|
|
env["TSAN_OPTIONS"] = "verbosity=0"
|
|
self.process = sp.Popen(command, stdin=stdin_file, stdout=self.stdout_file, stderr=self.stderr_file, env=env)
|
|
|
|
self.timer = None
|
|
self.process_finished_before_timeout = True
|
|
if timeout is not None:
|
|
def kill_process():
|
|
if self.process.poll() is None:
|
|
self.process_finished_before_timeout = False
|
|
self.process.kill()
|
|
|
|
self.timer = Timer(timeout, kill_process)
|
|
self.timer.start()
|
|
|
|
|
|
def get_answer(self):
|
|
self.process.wait()
|
|
self.stdout_file.seek(0)
|
|
self.stderr_file.seek(0)
|
|
|
|
stdout = self.stdout_file.read()
|
|
stderr = self.stderr_file.read()
|
|
|
|
if self.timer is not None and not self.process_finished_before_timeout and not self.ignore_error:
|
|
raise QueryTimeoutExceedException('Client timed out!')
|
|
|
|
if (self.process.returncode != 0 or stderr) and not self.ignore_error:
|
|
raise QueryRuntimeException('Client failed! Return code: {}, stderr: {}'.format(self.process.returncode, stderr))
|
|
|
|
return stdout
|
|
|
|
|
|
def get_error(self):
|
|
self.process.wait()
|
|
self.stdout_file.seek(0)
|
|
self.stderr_file.seek(0)
|
|
|
|
stdout = self.stdout_file.read()
|
|
stderr = self.stderr_file.read()
|
|
|
|
if self.timer is not None and not self.process_finished_before_timeout and not self.ignore_error:
|
|
raise QueryTimeoutExceedException('Client timed out!')
|
|
|
|
if (self.process.returncode == 0):
|
|
raise QueryRuntimeException('Client expected to be failed but succeeded! stdout: {}'.format(stdout))
|
|
|
|
return stderr
|
|
|
|
|
|
def get_answer_and_error(self):
|
|
self.process.wait()
|
|
self.stdout_file.seek(0)
|
|
self.stderr_file.seek(0)
|
|
|
|
stdout = self.stdout_file.read()
|
|
stderr = self.stderr_file.read()
|
|
|
|
if self.timer is not None and not self.process_finished_before_timeout and not self.ignore_error:
|
|
raise QueryTimeoutExceedException('Client timed out!')
|
|
|
|
return (stdout, stderr)
|