ClickHouse/dbms/tests/integration/helpers/cluster.py

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import base64
import distutils.dir_util
import errno
import os
import os.path as p
import pwd
import re
import shutil
import socket
import subprocess
import time
import urllib
import xml.dom.minidom
import logging
import docker
import psycopg2
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import pymongo
import pymysql
from dicttoxml import dicttoxml
from kazoo.client import KazooClient
from kazoo.exceptions import KazooException
from minio import Minio
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from confluent.schemaregistry.client import CachedSchemaRegistryClient
from .client import Client
from .hdfs_api import HDFSApi
HELPERS_DIR = p.dirname(__file__)
DEFAULT_ENV_NAME = 'env_file'
SANITIZER_SIGN = "=================="
def _create_env_file(path, variables, fname=DEFAULT_ENV_NAME):
full_path = os.path.join(path, fname)
with open(full_path, 'w') as f:
for var, value in variables.items():
f.write("=".join([var, value]) + "\n")
return full_path
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def subprocess_check_call(args):
# Uncomment for debugging
# print('run:', ' ' . join(args))
subprocess.check_call(args)
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def subprocess_call(args):
# Uncomment for debugging
# print('run:', ' ' . join(args))
subprocess.call(args)
def get_odbc_bridge_path():
path = os.environ.get('CLICKHOUSE_TESTS_ODBC_BRIDGE_BIN_PATH')
if path is None:
server_path = os.environ.get('CLICKHOUSE_TESTS_SERVER_BIN_PATH')
if server_path is not None:
return os.path.join(os.path.dirname(server_path), 'clickhouse-odbc-bridge')
else:
return '/usr/bin/clickhouse-odbc-bridge'
return path
class ClickHouseCluster:
"""ClickHouse cluster with several instances and (possibly) ZooKeeper.
Add instances with several calls to add_instance(), then start them with the start() call.
Directories for instances are created in the directory of base_path. After cluster is started,
these directories will contain logs, database files, docker-compose config, ClickHouse configs etc.
"""
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def __init__(self, base_path, name=None, base_configs_dir=None, server_bin_path=None, client_bin_path=None,
odbc_bridge_bin_path=None, zookeeper_config_path=None, custom_dockerd_host=None):
self.base_dir = p.dirname(base_path)
self.name = name if name is not None else ''
self.base_configs_dir = base_configs_dir or os.environ.get('CLICKHOUSE_TESTS_BASE_CONFIG_DIR',
'/etc/clickhouse-server/')
self.server_bin_path = p.realpath(
server_bin_path or os.environ.get('CLICKHOUSE_TESTS_SERVER_BIN_PATH', '/usr/bin/clickhouse'))
self.odbc_bridge_bin_path = p.realpath(odbc_bridge_bin_path or get_odbc_bridge_path())
self.client_bin_path = p.realpath(
client_bin_path or os.environ.get('CLICKHOUSE_TESTS_CLIENT_BIN_PATH', '/usr/bin/clickhouse-client'))
self.zookeeper_config_path = p.join(self.base_dir, zookeeper_config_path) if zookeeper_config_path else p.join(
HELPERS_DIR, 'zookeeper_config.xml')
self.project_name = pwd.getpwuid(os.getuid()).pw_name + p.basename(self.base_dir) + self.name
# docker-compose removes everything non-alphanumeric from project names so we do it too.
self.project_name = re.sub(r'[^a-z0-9]', '', self.project_name.lower())
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self.instances_dir = p.join(self.base_dir, '_instances' + ('' if not self.name else '_' + self.name))
self.docker_logs_path = p.join(self.instances_dir, 'docker.log')
custom_dockerd_host = custom_dockerd_host or os.environ.get('CLICKHOUSE_TESTS_DOCKERD_HOST')
self.docker_api_version = os.environ.get("DOCKER_API_VERSION")
self.base_cmd = ['docker-compose']
if custom_dockerd_host:
self.base_cmd += ['--host', custom_dockerd_host]
self.base_cmd += ['--project-directory', self.base_dir, '--project-name', self.project_name]
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self.base_zookeeper_cmd = None
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self.base_mysql_cmd = []
self.base_kafka_cmd = []
self.pre_zookeeper_commands = []
self.instances = {}
self.with_zookeeper = False
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self.with_mysql = False
self.with_postgres = False
self.with_kafka = False
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self.with_odbc_drivers = False
self.with_hdfs = False
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self.with_mongo = False
self.with_net_trics = False
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self.with_redis = False
self.with_minio = False
self.minio_host = "minio1"
self.minio_bucket = "root"
self.minio_port = 9001
self.minio_client = None # type: Minio
self.minio_redirect_host = "redirect"
self.minio_redirect_port = 80
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# available when with_kafka == True
self.schema_registry_client = None
self.schema_registry_host = "schema-registry"
self.schema_registry_port = 8081
self.docker_client = None
self.is_up = False
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def get_client_cmd(self):
cmd = self.client_bin_path
if p.basename(cmd) == 'clickhouse':
cmd += " client"
return cmd
def add_instance(self, name, config_dir=None, main_configs=[], user_configs=[], macros={},
with_zookeeper=False, with_mysql=False, with_kafka=False, clickhouse_path_dir=None,
with_odbc_drivers=False, with_postgres=False, with_hdfs=False, with_mongo=False,
with_redis=False, with_minio=False,
hostname=None, env_variables={}, image="yandex/clickhouse-integration-test",
stay_alive=False, ipv4_address=None, ipv6_address=None, with_installed_binary=False, tmpfs=[]):
"""Add an instance to the cluster.
name - the name of the instance directory and the value of the 'instance' macro in ClickHouse.
config_dir - a directory with config files which content will be copied to /etc/clickhouse-server/ directory
main_configs - a list of config files that will be added to config.d/ directory
user_configs - a list of config files that will be added to users.d/ directory
with_zookeeper - if True, add ZooKeeper configuration to configs and ZooKeeper instances to the cluster.
"""
if self.is_up:
raise Exception("Can\'t add instance %s: cluster is already up!" % name)
if name in self.instances:
raise Exception("Can\'t add instance `%s': there is already an instance with the same name!" % name)
instance = ClickHouseInstance(
self, self.base_dir, name, config_dir, main_configs, user_configs, macros, with_zookeeper,
self.zookeeper_config_path, with_mysql, with_kafka, with_mongo, with_redis, with_minio,
self.base_configs_dir, self.server_bin_path,
self.odbc_bridge_bin_path, clickhouse_path_dir, with_odbc_drivers, hostname=hostname,
env_variables=env_variables, image=image, stay_alive=stay_alive, ipv4_address=ipv4_address,
ipv6_address=ipv6_address,
with_installed_binary=with_installed_binary, tmpfs=tmpfs)
self.instances[name] = instance
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if ipv4_address is not None or ipv6_address is not None:
self.with_net_trics = True
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self.base_cmd.extend(['--file', p.join(HELPERS_DIR, 'docker_compose_net.yml')])
self.base_cmd.extend(['--file', instance.docker_compose_path])
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cmds = []
if with_zookeeper and not self.with_zookeeper:
self.with_zookeeper = True
self.base_cmd.extend(['--file', p.join(HELPERS_DIR, 'docker_compose_zookeeper.yml')])
self.base_zookeeper_cmd = ['docker-compose', '--project-directory', self.base_dir, '--project-name',
self.project_name, '--file', p.join(HELPERS_DIR, 'docker_compose_zookeeper.yml')]
cmds.append(self.base_zookeeper_cmd)
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if with_mysql and not self.with_mysql:
self.with_mysql = True
self.base_cmd.extend(['--file', p.join(HELPERS_DIR, 'docker_compose_mysql.yml')])
self.base_mysql_cmd = ['docker-compose', '--project-directory', self.base_dir, '--project-name',
self.project_name, '--file', p.join(HELPERS_DIR, 'docker_compose_mysql.yml')]
cmds.append(self.base_mysql_cmd)
if with_postgres and not self.with_postgres:
self.with_postgres = True
self.base_cmd.extend(['--file', p.join(HELPERS_DIR, 'docker_compose_postgres.yml')])
self.base_postgres_cmd = ['docker-compose', '--project-directory', self.base_dir, '--project-name',
self.project_name, '--file', p.join(HELPERS_DIR, 'docker_compose_postgres.yml')]
cmds.append(self.base_postgres_cmd)
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if with_odbc_drivers and not self.with_odbc_drivers:
self.with_odbc_drivers = True
if not self.with_mysql:
self.with_mysql = True
self.base_cmd.extend(['--file', p.join(HELPERS_DIR, 'docker_compose_mysql.yml')])
self.base_mysql_cmd = ['docker-compose', '--project-directory', self.base_dir, '--project-name',
self.project_name, '--file', p.join(HELPERS_DIR, 'docker_compose_mysql.yml')]
cmds.append(self.base_mysql_cmd)
if not self.with_postgres:
self.with_postgres = True
self.base_cmd.extend(['--file', p.join(HELPERS_DIR, 'docker_compose_postgres.yml')])
self.base_postgres_cmd = ['docker-compose', '--project-directory', self.base_dir, '--project-name',
self.project_name, '--file',
p.join(HELPERS_DIR, 'docker_compose_postgres.yml')]
cmds.append(self.base_postgres_cmd)
if with_kafka and not self.with_kafka:
self.with_kafka = True
self.base_cmd.extend(['--file', p.join(HELPERS_DIR, 'docker_compose_kafka.yml')])
self.base_kafka_cmd = ['docker-compose', '--project-directory', self.base_dir, '--project-name',
self.project_name, '--file', p.join(HELPERS_DIR, 'docker_compose_kafka.yml')]
cmds.append(self.base_kafka_cmd)
if with_hdfs and not self.with_hdfs:
self.with_hdfs = True
self.base_cmd.extend(['--file', p.join(HELPERS_DIR, 'docker_compose_hdfs.yml')])
self.base_hdfs_cmd = ['docker-compose', '--project-directory', self.base_dir, '--project-name',
self.project_name, '--file', p.join(HELPERS_DIR, 'docker_compose_hdfs.yml')]
cmds.append(self.base_hdfs_cmd)
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if with_mongo and not self.with_mongo:
self.with_mongo = True
self.base_cmd.extend(['--file', p.join(HELPERS_DIR, 'docker_compose_mongo.yml')])
self.base_mongo_cmd = ['docker-compose', '--project-directory', self.base_dir, '--project-name',
self.project_name, '--file', p.join(HELPERS_DIR, 'docker_compose_mongo.yml')]
cmds.append(self.base_mongo_cmd)
if self.with_net_trics:
for cmd in cmds:
cmd.extend(['--file', p.join(HELPERS_DIR, 'docker_compose_net.yml')])
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if with_redis and not self.with_redis:
self.with_redis = True
self.base_cmd.extend(['--file', p.join(HELPERS_DIR, 'docker_compose_redis.yml')])
self.base_redis_cmd = ['docker-compose', '--project-directory', self.base_dir, '--project-name',
self.project_name, '--file', p.join(HELPERS_DIR, 'docker_compose_redis.yml')]
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if with_minio and not self.with_minio:
self.with_minio = True
self.base_cmd.extend(['--file', p.join(HELPERS_DIR, 'docker_compose_minio.yml')])
self.base_minio_cmd = ['docker-compose', '--project-directory', self.base_dir, '--project-name',
self.project_name, '--file', p.join(HELPERS_DIR, 'docker_compose_minio.yml')]
cmds.append(self.base_minio_cmd)
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return instance
def get_instance_docker_id(self, instance_name):
# According to how docker-compose names containers.
return self.project_name + '_' + instance_name + '_1'
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def _replace(self, path, what, to):
with open(path, 'r') as p:
data = p.read()
data = data.replace(what, to)
with open(path, 'w') as p:
p.write(data)
def restart_instance_with_ip_change(self, node, new_ip):
if '::' in new_ip:
if node.ipv6_address is None:
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raise Exception("You should specity ipv6_address in add_node method")
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self._replace(node.docker_compose_path, node.ipv6_address, new_ip)
node.ipv6_address = new_ip
else:
if node.ipv4_address is None:
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raise Exception("You should specity ipv4_address in add_node method")
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self._replace(node.docker_compose_path, node.ipv4_address, new_ip)
node.ipv4_address = new_ip
subprocess.check_call(self.base_cmd + ["stop", node.name])
subprocess.check_call(self.base_cmd + ["rm", "--force", "--stop", node.name])
subprocess.check_call(self.base_cmd + ["up", "--force-recreate", "--no-deps", "-d", node.name])
node.ip_address = self.get_instance_ip(node.name)
node.client = Client(node.ip_address, command=self.client_bin_path)
start_deadline = time.time() + 20.0 # seconds
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node.wait_for_start(start_deadline)
return node
def get_instance_ip(self, instance_name):
docker_id = self.get_instance_docker_id(instance_name)
handle = self.docker_client.containers.get(docker_id)
return handle.attrs['NetworkSettings']['Networks'].values()[0]['IPAddress']
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def wait_mysql_to_start(self, timeout=60):
start = time.time()
while time.time() - start < timeout:
try:
conn = pymysql.connect(user='root', password='clickhouse', host='127.0.0.1', port=3308)
conn.close()
print "Mysql Started"
return
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except Exception as ex:
print "Can't connect to MySQL " + str(ex)
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time.sleep(0.5)
raise Exception("Cannot wait MySQL container")
def wait_postgres_to_start(self, timeout=60):
start = time.time()
while time.time() - start < timeout:
try:
conn_string = "host='localhost' user='postgres' password='mysecretpassword'"
conn = psycopg2.connect(conn_string)
conn.close()
print "Postgres Started"
return
except Exception as ex:
print "Can't connect to Postgres " + str(ex)
time.sleep(0.5)
raise Exception("Cannot wait Postgres container")
def wait_zookeeper_to_start(self, timeout=60):
start = time.time()
while time.time() - start < timeout:
try:
for instance in ['zoo1', 'zoo2', 'zoo3']:
conn = self.get_kazoo_client(instance)
conn.get_children('/')
print "All instances of ZooKeeper started"
return
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except Exception as ex:
print "Can't connect to ZooKeeper " + str(ex)
time.sleep(0.5)
raise Exception("Cannot wait ZooKeeper container")
def wait_hdfs_to_start(self, timeout=60):
hdfs_api = HDFSApi("root")
start = time.time()
while time.time() - start < timeout:
try:
hdfs_api.write_data("/somefilewithrandomname222", "1")
print "Connected to HDFS and SafeMode disabled! "
return
except Exception as ex:
print "Can't connect to HDFS " + str(ex)
time.sleep(1)
raise Exception("Can't wait HDFS to start")
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def wait_mongo_to_start(self, timeout=30):
connection_str = 'mongodb://{user}:{password}@{host}:{port}'.format(
host='localhost', port='27018', user='root', password='clickhouse')
connection = pymongo.MongoClient(connection_str)
start = time.time()
while time.time() - start < timeout:
try:
connection.database_names()
print "Connected to Mongo dbs:", connection.database_names()
return
except Exception as ex:
print "Can't connect to Mongo " + str(ex)
time.sleep(1)
def wait_minio_to_start(self, timeout=10):
minio_client = Minio('localhost:9001',
access_key='minio',
secret_key='minio123',
secure=False)
start = time.time()
while time.time() - start < timeout:
try:
buckets = minio_client.list_buckets()
self.minio_client = minio_client
logging.info("Connected to Minio %s", buckets)
return
except Exception as ex:
logging.warning("Can't connect to Minio: %s", str(ex))
time.sleep(1)
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def wait_schema_registry_to_start(self, timeout=10):
sr_client = CachedSchemaRegistryClient('http://localhost:8081')
start = time.time()
while time.time() - start < timeout:
try:
sr_client._send_request(sr_client.url)
self.schema_registry_client = sr_client
logging.info("Connected to SchemaRegistry")
return
except Exception as ex:
logging.warning("Can't connect to SchemaRegistry: %s", str(ex))
time.sleep(1)
def start(self, destroy_dirs=True):
if self.is_up:
return
# Just in case kill unstopped containers from previous launch
try:
logging.info("Trying to kill unstopped containers...")
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if not subprocess_call(['docker-compose', 'kill']):
subprocess_call(['docker-compose', 'down', '--volumes'])
except:
pass
logging.info("Unstopped containers killed")
if destroy_dirs and p.exists(self.instances_dir):
logging.info("Removing instances dir %s", self.instances_dir)
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shutil.rmtree(self.instances_dir)
for instance in self.instances.values():
instance.create_dir(destroy_dir=destroy_dirs)
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self.docker_client = docker.from_env(version=self.docker_api_version)
common_opts = ['up', '-d', '--force-recreate']
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if self.with_zookeeper and self.base_zookeeper_cmd:
subprocess_check_call(self.base_zookeeper_cmd + common_opts)
for command in self.pre_zookeeper_commands:
self.run_kazoo_commands_with_retries(command, repeats=5)
self.wait_zookeeper_to_start(120)
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if self.with_mysql and self.base_mysql_cmd:
subprocess_check_call(self.base_mysql_cmd + common_opts)
self.wait_mysql_to_start(120)
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if self.with_postgres and self.base_postgres_cmd:
subprocess_check_call(self.base_postgres_cmd + common_opts)
self.wait_postgres_to_start(120)
if self.with_kafka and self.base_kafka_cmd:
subprocess_check_call(self.base_kafka_cmd + common_opts + ['--renew-anon-volumes'])
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self.kafka_docker_id = self.get_instance_docker_id('kafka1')
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self.wait_schema_registry_to_start(120)
if self.with_hdfs and self.base_hdfs_cmd:
subprocess_check_call(self.base_hdfs_cmd + common_opts)
self.wait_hdfs_to_start(120)
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if self.with_mongo and self.base_mongo_cmd:
subprocess_check_call(self.base_mongo_cmd + common_opts)
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self.wait_mongo_to_start(30)
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if self.with_redis and self.base_redis_cmd:
subprocess_check_call(self.base_redis_cmd + ['up', '-d', '--force-recreate'])
time.sleep(10)
if self.with_minio and self.base_minio_cmd:
minio_start_cmd = self.base_minio_cmd + common_opts
logging.info("Trying to create Minio instance by command %s", ' '.join(map(str, minio_start_cmd)))
subprocess_check_call(minio_start_cmd)
logging.info("Trying to connect to Minio...")
self.wait_minio_to_start()
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clickhouse_start_cmd = self.base_cmd + ['up', '-d', '--no-recreate']
logging.info("Trying to create ClickHouse instance by command %s", ' '.join(map(str, clickhouse_start_cmd)))
subprocess_check_call(clickhouse_start_cmd)
logging.info("ClickHouse instance created")
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start_deadline = time.time() + 20.0 # seconds
for instance in self.instances.itervalues():
instance.docker_client = self.docker_client
instance.ip_address = self.get_instance_ip(instance.name)
logging.info("Waiting for ClickHouse start...")
instance.wait_for_start(start_deadline)
logging.info("ClickHouse started")
instance.client = Client(instance.ip_address, command=self.client_bin_path)
self.is_up = True
def shutdown(self, kill=True):
sanitizer_assert_instance = None
with open(self.docker_logs_path, "w+") as f:
subprocess.check_call(self.base_cmd + ['logs'], stdout=f)
f.seek(0)
for line in f:
if SANITIZER_SIGN in line:
sanitizer_assert_instance = line.split('|')[0].strip()
break
if kill:
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subprocess_check_call(self.base_cmd + ['kill'])
subprocess_check_call(self.base_cmd + ['down', '--volumes', '--remove-orphans'])
self.is_up = False
self.docker_client = None
for instance in self.instances.values():
instance.docker_client = None
instance.ip_address = None
instance.client = None
if sanitizer_assert_instance is not None:
raise Exception("Sanitizer assert found in {} for instance {}".format(self.docker_logs_path, sanitizer_assert_instance))
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def open_bash_shell(self, instance_name):
os.system(' '.join(self.base_cmd + ['exec', instance_name, '/bin/bash']))
def get_kazoo_client(self, zoo_instance_name):
zk = KazooClient(hosts=self.get_instance_ip(zoo_instance_name))
zk.start()
return zk
def run_kazoo_commands_with_retries(self, kazoo_callback, zoo_instance_name='zoo1', repeats=1, sleep_for=1):
for i in range(repeats - 1):
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try:
kazoo_callback(self.get_kazoo_client(zoo_instance_name))
return
except KazooException as e:
print repr(e)
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time.sleep(sleep_for)
kazoo_callback(self.get_kazoo_client(zoo_instance_name))
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def add_zookeeper_startup_command(self, command):
self.pre_zookeeper_commands.append(command)
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CLICKHOUSE_START_COMMAND = "clickhouse server --config-file=/etc/clickhouse-server/config.xml --log-file=/var/log/clickhouse-server/clickhouse-server.log --errorlog-file=/var/log/clickhouse-server/clickhouse-server.err.log"
CLICKHOUSE_STAY_ALIVE_COMMAND = 'bash -c "{} --daemon; tail -f /dev/null"'.format(CLICKHOUSE_START_COMMAND)
DOCKER_COMPOSE_TEMPLATE = '''
version: '2.2'
services:
{name}:
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image: {image}
hostname: {hostname}
volumes:
- {configs_dir}:/etc/clickhouse-server/
- {db_dir}:/var/lib/clickhouse/
- {logs_dir}:/var/log/clickhouse-server/
{binary_volume}
{odbc_bridge_volume}
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{odbc_ini_path}
entrypoint: {entrypoint_cmd}
tmpfs: {tmpfs}
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cap_add:
- SYS_PTRACE
depends_on: {depends_on}
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user: '{user}'
env_file:
- {env_file}
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security_opt:
- label:disable
{networks}
{app_net}
{ipv4_address}
{ipv6_address}
{net_aliases}
{net_alias1}
'''
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class ClickHouseInstance:
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def __init__(
self, cluster, base_path, name, custom_config_dir, custom_main_configs, custom_user_configs, macros,
with_zookeeper, zookeeper_config_path, with_mysql, with_kafka, with_mongo, with_redis, with_minio,
base_configs_dir, server_bin_path, odbc_bridge_bin_path,
clickhouse_path_dir, with_odbc_drivers, hostname=None, env_variables={},
image="yandex/clickhouse-integration-test",
stay_alive=False, ipv4_address=None, ipv6_address=None, with_installed_binary=False, tmpfs=[]):
self.name = name
self.base_cmd = cluster.base_cmd[:]
self.docker_id = cluster.get_instance_docker_id(self.name)
self.cluster = cluster
self.hostname = hostname if hostname is not None else self.name
self.tmpfs = tmpfs[:]
self.custom_config_dir = p.abspath(p.join(base_path, custom_config_dir)) if custom_config_dir else None
self.custom_main_config_paths = [p.abspath(p.join(base_path, c)) for c in custom_main_configs]
self.custom_user_config_paths = [p.abspath(p.join(base_path, c)) for c in custom_user_configs]
self.clickhouse_path_dir = p.abspath(p.join(base_path, clickhouse_path_dir)) if clickhouse_path_dir else None
self.macros = macros if macros is not None else {}
self.with_zookeeper = with_zookeeper
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self.zookeeper_config_path = zookeeper_config_path
self.base_configs_dir = base_configs_dir
self.server_bin_path = server_bin_path
self.odbc_bridge_bin_path = odbc_bridge_bin_path
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self.with_mysql = with_mysql
self.with_kafka = with_kafka
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self.with_mongo = with_mongo
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self.with_redis = with_redis
self.with_minio = with_minio
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self.path = p.join(self.cluster.instances_dir, name)
self.docker_compose_path = p.join(self.path, 'docker_compose.yml')
self.env_variables = env_variables
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if with_odbc_drivers:
self.odbc_ini_path = os.path.dirname(self.docker_compose_path) + "/odbc.ini:/etc/odbc.ini"
self.with_mysql = True
else:
self.odbc_ini_path = ""
self.docker_client = None
self.ip_address = None
self.client = None
self.default_timeout = 20.0 # 20 sec
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self.image = image
self.stay_alive = stay_alive
self.ipv4_address = ipv4_address
self.ipv6_address = ipv6_address
self.with_installed_binary = with_installed_binary
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# Connects to the instance via clickhouse-client, sends a query (1st argument) and returns the answer
def query(self, sql, stdin=None, timeout=None, settings=None, user=None, ignore_error=False):
return self.client.query(sql, stdin, timeout, settings, user, ignore_error)
def query_with_retry(self, sql, stdin=None, timeout=None, settings=None, user=None, ignore_error=False,
retry_count=20, sleep_time=0.5, check_callback=lambda x: True):
result = None
for i in range(retry_count):
try:
result = self.query(sql, stdin, timeout, settings, user, ignore_error)
if check_callback(result):
return result
time.sleep(sleep_time)
except Exception as ex:
print "Retry {} got exception {}".format(i + 1, ex)
time.sleep(sleep_time)
if result is not None:
return result
raise Exception("Can't execute query {}".format(sql))
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# As query() but doesn't wait response and returns response handler
def get_query_request(self, *args, **kwargs):
return self.client.get_query_request(*args, **kwargs)
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# Connects to the instance via clickhouse-client, sends a query (1st argument), expects an error and return its code
def query_and_get_error(self, sql, stdin=None, timeout=None, settings=None, user=None):
return self.client.query_and_get_error(sql, stdin, timeout, settings, user)
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# The same as query_and_get_error but ignores successful query.
def query_and_get_answer_with_error(self, sql, stdin=None, timeout=None, settings=None, user=None):
return self.client.query_and_get_answer_with_error(sql, stdin, timeout, settings, user)
# Connects to the instance via HTTP interface, sends a query and returns the answer
def http_query(self, sql, data=None, params=None, user=None):
if params is None:
params = {}
else:
params = params.copy()
params["query"] = sql
auth = ""
if user:
auth = "{}@".format(user)
url = "http://" + auth + self.ip_address + ":8123/?" + urllib.urlencode(params)
return urllib.urlopen(url, data).read()
def kill_clickhouse(self, stop_start_wait_sec=5):
pid = self.get_process_pid("clickhouse")
if not pid:
raise Exception("No clickhouse found")
self.exec_in_container(["bash", "-c", "kill -9 {}".format(pid)], user='root')
time.sleep(stop_start_wait_sec)
def restore_clickhouse(self, retries=100):
pid = self.get_process_pid("clickhouse")
if pid:
raise Exception("ClickHouse has already started")
self.exec_in_container(["bash", "-c", "{} --daemon".format(CLICKHOUSE_START_COMMAND)], user=str(os.getuid()))
from helpers.test_tools import assert_eq_with_retry
# wait start
assert_eq_with_retry(self, "select 1", "1", retry_count=retries)
def restart_clickhouse(self, stop_start_wait_sec=5, kill=False):
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if not self.stay_alive:
raise Exception("clickhouse can be restarted only with stay_alive=True instance")
self.exec_in_container(["bash", "-c", "pkill {} clickhouse".format("-9" if kill else "")], user='root')
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time.sleep(stop_start_wait_sec)
self.exec_in_container(["bash", "-c", "{} --daemon".format(CLICKHOUSE_START_COMMAND)], user=str(os.getuid()))
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def exec_in_container(self, cmd, detach=False, **kwargs):
container = self.get_docker_handle()
exec_id = self.docker_client.api.exec_create(container.id, cmd, **kwargs)
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output = self.docker_client.api.exec_start(exec_id, detach=detach)
output = output.decode('utf8')
exit_code = self.docker_client.api.exec_inspect(exec_id)['ExitCode']
if exit_code:
raise Exception('Cmd "{}" failed! Return code {}. Output: {}'.format(' '.join(cmd), exit_code, output))
return output
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def contains_in_log(self, substring):
result = self.exec_in_container(
["bash", "-c", "grep '{}' /var/log/clickhouse-server/clickhouse-server.log || true".format(substring)])
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return len(result) > 0
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def copy_file_to_container(self, local_path, dest_path):
with open(local_path, 'r') as fdata:
data = fdata.read()
encoded_data = base64.b64encode(data)
self.exec_in_container(["bash", "-c", "echo {} | base64 --decode > {}".format(encoded_data, dest_path)],
user='root')
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def get_process_pid(self, process_name):
output = self.exec_in_container(["bash", "-c",
"ps ax | grep '{}' | grep -v 'grep' | grep -v 'bash -c' | awk '{{print $1}}'".format(
process_name)])
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if output:
try:
pid = int(output.split('\n')[0].strip())
return pid
except:
return None
return None
def restart_with_latest_version(self, stop_start_wait_sec=10, callback_onstop=None, signal=15):
if not self.stay_alive:
raise Exception("Cannot restart not stay alive container")
self.exec_in_container(["bash", "-c", "pkill -{} clickhouse".format(signal)], user='root')
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retries = int(stop_start_wait_sec / 0.5)
local_counter = 0
# wait stop
while local_counter < retries:
if not self.get_process_pid("clickhouse server"):
break
time.sleep(0.5)
local_counter += 1
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# force kill if server hangs
if self.get_process_pid("clickhouse server"):
self.exec_in_container(["bash", "-c", "pkill -{} clickhouse".format(9)], user='root')
if callback_onstop:
callback_onstop(self)
self.exec_in_container(
["bash", "-c", "cp /usr/share/clickhouse_fresh /usr/bin/clickhouse && chmod 777 /usr/bin/clickhouse"],
user='root')
self.exec_in_container(["bash", "-c",
"cp /usr/share/clickhouse-odbc-bridge_fresh /usr/bin/clickhouse-odbc-bridge && chmod 777 /usr/bin/clickhouse"],
user='root')
self.exec_in_container(["bash", "-c", "{} --daemon".format(CLICKHOUSE_START_COMMAND)], user=str(os.getuid()))
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from helpers.test_tools import assert_eq_with_retry
# wait start
assert_eq_with_retry(self, "select 1", "1", retry_count=retries)
def get_docker_handle(self):
return self.docker_client.containers.get(self.docker_id)
def stop(self):
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self.get_docker_handle().stop()
def start(self):
self.get_docker_handle().start()
def wait_for_start(self, deadline=None, timeout=None):
start_time = time.time()
if timeout is not None:
deadline = start_time + timeout
while True:
handle = self.get_docker_handle()
status = handle.status
if status == 'exited':
raise Exception(
"Instance `{}' failed to start. Container status: {}, logs: {}".format(self.name, status,
handle.logs()))
current_time = time.time()
time_left = deadline - current_time
if deadline is not None and current_time >= deadline:
raise Exception("Timed out while waiting for instance `{}' with ip address {} to start. "
"Container status: {}".format(self.name, self.ip_address, status))
# Repeatedly poll the instance address until there is something that listens there.
# Usually it means that ClickHouse is ready to accept queries.
try:
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.settimeout(time_left)
sock.connect((self.ip_address, 9000))
return
except socket.timeout:
continue
except socket.error as e:
if e.errno == errno.ECONNREFUSED:
time.sleep(0.1)
else:
raise
finally:
sock.close()
@staticmethod
def dict_to_xml(dictionary):
xml_str = dicttoxml(dictionary, custom_root="yandex", attr_type=False)
return xml.dom.minidom.parseString(xml_str).toprettyxml()
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@property
def odbc_drivers(self):
if self.odbc_ini_path:
return {
"SQLite3": {
"DSN": "sqlite3_odbc",
"Database": "/tmp/sqliteodbc",
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"Driver": "/usr/lib/x86_64-linux-gnu/odbc/libsqlite3odbc.so",
"Setup": "/usr/lib/x86_64-linux-gnu/odbc/libsqlite3odbc.so",
},
"MySQL": {
"DSN": "mysql_odbc",
"Driver": "/usr/lib/x86_64-linux-gnu/odbc/libmyodbc.so",
"Database": "clickhouse",
"Uid": "root",
"Pwd": "clickhouse",
"Server": "mysql1",
},
"PostgreSQL": {
"DSN": "postgresql_odbc",
"Database": "postgres",
"UserName": "postgres",
"Password": "mysecretpassword",
"Port": "5432",
"Servername": "postgres1",
"Protocol": "9.3",
"ReadOnly": "No",
"RowVersioning": "No",
"ShowSystemTables": "No",
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"Driver": "/usr/lib/x86_64-linux-gnu/odbc/psqlodbca.so",
"Setup": "/usr/lib/x86_64-linux-gnu/odbc/libodbcpsqlS.so",
"ConnSettings": "",
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}
}
else:
return {}
def _create_odbc_config_file(self):
with open(self.odbc_ini_path.split(':')[0], 'w') as f:
for driver_setup in self.odbc_drivers.values():
f.write("[{}]\n".format(driver_setup["DSN"]))
for key, value in driver_setup.items():
if key != "DSN":
f.write(key + "=" + value + "\n")
def replace_config(self, path_to_config, replacement):
self.exec_in_container(["bash", "-c", "echo '{}' > {}".format(replacement, path_to_config)])
def create_dir(self, destroy_dir=True):
"""Create the instance directory and all the needed files there."""
if destroy_dir:
self.destroy_dir()
elif p.exists(self.path):
return
os.makedirs(self.path)
configs_dir = p.abspath(p.join(self.path, 'configs'))
os.mkdir(configs_dir)
shutil.copy(p.join(self.base_configs_dir, 'config.xml'), configs_dir)
shutil.copy(p.join(self.base_configs_dir, 'users.xml'), configs_dir)
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# used by all utils with any config
conf_d_dir = p.abspath(p.join(configs_dir, 'conf.d'))
# used by server with main config.xml
config_d_dir = p.abspath(p.join(configs_dir, 'config.d'))
users_d_dir = p.abspath(p.join(configs_dir, 'users.d'))
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os.mkdir(conf_d_dir)
os.mkdir(config_d_dir)
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os.mkdir(users_d_dir)
# The file is named with 0_ prefix to be processed before other configuration overloads.
shutil.copy(p.join(HELPERS_DIR, '0_common_instance_config.xml'), config_d_dir)
# Generate and write macros file
macros = self.macros.copy()
macros['instance'] = self.name
with open(p.join(config_d_dir, 'macros.xml'), 'w') as macros_config:
macros_config.write(self.dict_to_xml({"macros": macros}))
# Put ZooKeeper config
if self.with_zookeeper:
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shutil.copy(self.zookeeper_config_path, conf_d_dir)
# Copy config dir
if self.custom_config_dir:
distutils.dir_util.copy_tree(self.custom_config_dir, configs_dir)
# Copy config.d configs
for path in self.custom_main_config_paths:
shutil.copy(path, config_d_dir)
# Copy users.d configs
for path in self.custom_user_config_paths:
shutil.copy(path, users_d_dir)
db_dir = p.abspath(p.join(self.path, 'database'))
os.mkdir(db_dir)
if self.clickhouse_path_dir is not None:
distutils.dir_util.copy_tree(self.clickhouse_path_dir, db_dir)
logs_dir = p.abspath(p.join(self.path, 'logs'))
os.mkdir(logs_dir)
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depends_on = []
if self.with_mysql:
depends_on.append("mysql1")
if self.with_kafka:
depends_on.append("kafka1")
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depends_on.append("schema-registry")
if self.with_zookeeper:
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depends_on.append("zoo1")
depends_on.append("zoo2")
depends_on.append("zoo3")
if self.with_minio:
depends_on.append("minio1")
depends_on.append("redirect")
env_file = _create_env_file(os.path.dirname(self.docker_compose_path), self.env_variables)
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odbc_ini_path = ""
if self.odbc_ini_path:
self._create_odbc_config_file()
odbc_ini_path = '- ' + self.odbc_ini_path
entrypoint_cmd = CLICKHOUSE_START_COMMAND
if self.stay_alive:
entrypoint_cmd = CLICKHOUSE_STAY_ALIVE_COMMAND
networks = app_net = ipv4_address = ipv6_address = net_aliases = net_alias1 = ""
if self.ipv4_address is not None or self.ipv6_address is not None or self.hostname != self.name:
networks = "networks:"
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app_net = "default:"
if self.ipv4_address is not None:
ipv4_address = "ipv4_address: " + self.ipv4_address
if self.ipv6_address is not None:
ipv6_address = "ipv6_address: " + self.ipv6_address
if self.hostname != self.name:
net_aliases = "aliases:"
net_alias1 = "- " + self.hostname
if not self.with_installed_binary:
binary_volume = "- " + self.server_bin_path + ":/usr/bin/clickhouse"
odbc_bridge_volume = "- " + self.odbc_bridge_bin_path + ":/usr/bin/clickhouse-odbc-bridge"
else:
binary_volume = "- " + self.server_bin_path + ":/usr/share/clickhouse_fresh"
odbc_bridge_volume = "- " + self.odbc_bridge_bin_path + ":/usr/share/clickhouse-odbc-bridge_fresh"
with open(self.docker_compose_path, 'w') as docker_compose:
docker_compose.write(DOCKER_COMPOSE_TEMPLATE.format(
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image=self.image,
name=self.name,
hostname=self.hostname,
binary_volume=binary_volume,
odbc_bridge_volume=odbc_bridge_volume,
configs_dir=configs_dir,
config_d_dir=config_d_dir,
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db_dir=db_dir,
tmpfs=str(self.tmpfs),
logs_dir=logs_dir,
depends_on=str(depends_on),
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user=os.getuid(),
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env_file=env_file,
odbc_ini_path=odbc_ini_path,
entrypoint_cmd=entrypoint_cmd,
networks=networks,
app_net=app_net,
ipv4_address=ipv4_address,
ipv6_address=ipv6_address,
net_aliases = net_aliases,
net_alias1 = net_alias1,
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))
def destroy_dir(self):
if p.exists(self.path):
shutil.rmtree(self.path)
class ClickHouseKiller(object):
def __init__(self, clickhouse_node):
self.clickhouse_node = clickhouse_node
def __enter__(self):
self.clickhouse_node.kill_clickhouse()
def __exit__(self, exc_type, exc_val, exc_tb):
self.clickhouse_node.restore_clickhouse()