mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-26 01:22:04 +00:00
375 lines
13 KiB
Python
375 lines
13 KiB
Python
# -*- coding: utf-8 -*-
|
|
import warnings
|
|
import pymysql.cursors
|
|
import pymongo
|
|
from tzlocal import get_localzone
|
|
import datetime
|
|
import os
|
|
|
|
|
|
class ExternalSource(object):
|
|
def __init__(self, name, internal_hostname, internal_port,
|
|
docker_hostname, docker_port, user, password):
|
|
self.name = name
|
|
self.internal_hostname = internal_hostname
|
|
self.internal_port = int(internal_port)
|
|
self.docker_hostname = docker_hostname
|
|
self.docker_port = int(docker_port)
|
|
self.user = user
|
|
self.password = password
|
|
|
|
def get_source_str(self, table_name):
|
|
raise NotImplementedError("Method {} is not implemented for {}".format(
|
|
"get_source_config_part", self.__class__.__name__))
|
|
|
|
def prepare(self, structure, table_name, cluster):
|
|
raise NotImplementedError("Method {} is not implemented for {}".format(
|
|
"prepare_remote_source", self.__class__.__name__))
|
|
|
|
# data is banch of Row
|
|
def load_data(self, data):
|
|
raise NotImplementedError("Method {} is not implemented for {}".format(
|
|
"prepare_remote_source", self.__class__.__name__))
|
|
|
|
def compatible_with_layout(self, layout):
|
|
return True
|
|
|
|
|
|
class SourceMySQL(ExternalSource):
|
|
TYPE_MAPPING = {
|
|
'UInt8': 'tinyint unsigned',
|
|
'UInt16': 'smallint unsigned',
|
|
'UInt32': 'int unsigned',
|
|
'UInt64': 'bigint unsigned',
|
|
'Int8': 'tinyint',
|
|
'Int16': 'smallint',
|
|
'Int32': 'int',
|
|
'Int64': 'bigint',
|
|
'UUID': 'varchar(36)',
|
|
'Date': 'date',
|
|
'DateTime': 'datetime',
|
|
'String': 'text',
|
|
'Float32': 'float',
|
|
'Float64': 'double'
|
|
}
|
|
|
|
def create_mysql_conn(self):
|
|
self.connection = pymysql.connect(
|
|
user=self.user,
|
|
password=self.password,
|
|
host=self.internal_hostname,
|
|
port=self.internal_port)
|
|
|
|
def execute_mysql_query(self, query):
|
|
with warnings.catch_warnings():
|
|
warnings.simplefilter("ignore")
|
|
with self.connection.cursor() as cursor:
|
|
cursor.execute(query)
|
|
self.connection.commit()
|
|
|
|
def get_source_str(self, table_name):
|
|
return '''
|
|
<mysql>
|
|
<replica>
|
|
<priority>1</priority>
|
|
<host>127.0.0.1</host>
|
|
<port>3333</port> <!-- Wrong port, for testing basic failover to work. -->
|
|
</replica>
|
|
<replica>
|
|
<priority>2</priority>
|
|
<host>{hostname}</host>
|
|
<port>{port}</port>
|
|
</replica>
|
|
<user>{user}</user>
|
|
<password>{password}</password>
|
|
<db>test</db>
|
|
<table>{tbl}</table>
|
|
</mysql>'''.format(
|
|
hostname=self.docker_hostname,
|
|
port=self.docker_port,
|
|
user=self.user,
|
|
password=self.password,
|
|
tbl=table_name,
|
|
)
|
|
|
|
def prepare(self, structure, table_name, cluster):
|
|
self.create_mysql_conn()
|
|
self.execute_mysql_query("create database if not exists test default character set 'utf8'")
|
|
fields_strs = []
|
|
for field in structure.keys + structure.ordinary_fields + structure.range_fields:
|
|
fields_strs.append(field.name + ' ' + self.TYPE_MAPPING[field.field_type])
|
|
create_query = '''create table test.{table_name} (
|
|
{fields_str});
|
|
'''.format(table_name=table_name, fields_str=','.join(fields_strs))
|
|
self.execute_mysql_query(create_query)
|
|
self.ordered_names = structure.get_ordered_names()
|
|
self.prepared = True
|
|
|
|
def load_data(self, data, table_name):
|
|
values_strs = []
|
|
if not data:
|
|
return
|
|
for row in data:
|
|
sorted_row = []
|
|
for name in self.ordered_names:
|
|
data = row.data[name]
|
|
if isinstance(row.data[name], str):
|
|
data = "'" + data + "'"
|
|
else:
|
|
data = str(data)
|
|
sorted_row.append(data)
|
|
values_strs.append('(' + ','.join(sorted_row) + ')')
|
|
query = 'insert into test.{} ({}) values {}'.format(
|
|
table_name,
|
|
','.join(self.ordered_names),
|
|
','.join(values_strs))
|
|
self.execute_mysql_query(query)
|
|
|
|
|
|
class SourceMongo(ExternalSource):
|
|
|
|
def get_source_str(self, table_name):
|
|
return '''
|
|
<mongodb>
|
|
<host>{host}</host>
|
|
<port>{port}</port>
|
|
<user>{user}</user>
|
|
<password>{password}</password>
|
|
<db>test</db>
|
|
<collection>{tbl}</collection>
|
|
</mongodb>
|
|
'''.format(
|
|
host=self.docker_hostname,
|
|
port=self.docker_port,
|
|
user=self.user,
|
|
password=self.password,
|
|
tbl=table_name,
|
|
)
|
|
|
|
def prepare(self, structure, table_name, cluster):
|
|
connection_str = 'mongodb://{user}:{password}@{host}:{port}'.format(
|
|
host=self.internal_hostname, port=self.internal_port,
|
|
user=self.user, password=self.password)
|
|
self.connection = pymongo.MongoClient(connection_str)
|
|
self.converters = {}
|
|
for field in structure.get_all_fields():
|
|
if field.field_type == "Date":
|
|
self.converters[field.name] = lambda x: datetime.datetime.strptime(x, "%Y-%m-%d")
|
|
elif field.field_type == "DateTime":
|
|
self.converters[field.name] = lambda x: get_localzone().localize(datetime.datetime.strptime(x, "%Y-%m-%d %H:%M:%S"))
|
|
else:
|
|
self.converters[field.name] = lambda x: x
|
|
|
|
self.db = self.connection['test']
|
|
self.db.add_user(self.user, self.password)
|
|
self.prepared = True
|
|
|
|
def load_data(self, data, table_name):
|
|
tbl = self.db[table_name]
|
|
|
|
to_insert = []
|
|
for row in data:
|
|
row_dict = {}
|
|
for cell_name, cell_value in row.data.items():
|
|
row_dict[cell_name] = self.converters[cell_name](cell_value)
|
|
to_insert.append(row_dict)
|
|
|
|
result = tbl.insert_many(to_insert)
|
|
|
|
class SourceClickHouse(ExternalSource):
|
|
|
|
def get_source_str(self, table_name):
|
|
return '''
|
|
<clickhouse>
|
|
<host>{host}</host>
|
|
<port>{port}</port>
|
|
<user>{user}</user>
|
|
<password>{password}</password>
|
|
<db>test</db>
|
|
<table>{tbl}</table>
|
|
</clickhouse>
|
|
'''.format(
|
|
host=self.docker_hostname,
|
|
port=self.docker_port,
|
|
user=self.user,
|
|
password=self.password,
|
|
tbl=table_name,
|
|
)
|
|
|
|
def prepare(self, structure, table_name, cluster):
|
|
self.node = cluster.instances[self.docker_hostname]
|
|
self.node.query("CREATE DATABASE IF NOT EXISTS test")
|
|
fields_strs = []
|
|
for field in structure.keys + structure.ordinary_fields + structure.range_fields:
|
|
fields_strs.append(field.name + ' ' + field.field_type)
|
|
create_query = '''CREATE TABLE test.{table_name} (
|
|
{fields_str}) ENGINE MergeTree ORDER BY tuple();
|
|
'''.format(table_name=table_name, fields_str=','.join(fields_strs))
|
|
self.node.query(create_query)
|
|
self.ordered_names = structure.get_ordered_names()
|
|
self.prepared = True
|
|
|
|
def load_data(self, data, table_name):
|
|
values_strs = []
|
|
if not data:
|
|
return
|
|
for row in data:
|
|
sorted_row = []
|
|
for name in self.ordered_names:
|
|
row_data = row.data[name]
|
|
if isinstance(row_data, str):
|
|
row_data = "'" + row_data + "'"
|
|
else:
|
|
row_data = str(row_data)
|
|
sorted_row.append(row_data)
|
|
values_strs.append('(' + ','.join(sorted_row) + ')')
|
|
query = 'INSERT INTO test.{} ({}) values {}'.format(
|
|
table_name,
|
|
','.join(self.ordered_names),
|
|
','.join(values_strs))
|
|
self.node.query(query)
|
|
|
|
|
|
class SourceFile(ExternalSource):
|
|
|
|
def get_source_str(self, table_name):
|
|
table_path = "/" + table_name + ".tsv"
|
|
return '''
|
|
<file>
|
|
<path>{path}</path>
|
|
<format>TabSeparated</format>
|
|
</file>
|
|
'''.format(
|
|
path=table_path,
|
|
)
|
|
|
|
def prepare(self, structure, table_name, cluster):
|
|
self.node = cluster.instances[self.docker_hostname]
|
|
path = "/" + table_name + ".tsv"
|
|
self.node.exec_in_container(["bash", "-c", "touch {}".format(path)])
|
|
self.ordered_names = structure.get_ordered_names()
|
|
self.prepared = True
|
|
|
|
def load_data(self, data, table_name):
|
|
if not data:
|
|
return
|
|
path = "/" + table_name + ".tsv"
|
|
for row in list(data):
|
|
sorted_row = []
|
|
for name in self.ordered_names:
|
|
sorted_row.append(str(row.data[name]))
|
|
|
|
str_data = '\t'.join(sorted_row)
|
|
self.node.exec_in_container(["bash", "-c", "echo \"{row}\" >> {fname}".format(row=str_data, fname=path)])
|
|
|
|
def compatible_with_layout(self, layout):
|
|
return 'cache' not in layout.name
|
|
|
|
|
|
class _SourceExecutableBase(ExternalSource):
|
|
|
|
def _get_cmd(self, path):
|
|
raise NotImplementedError("Method {} is not implemented for {}".format(
|
|
"_get_cmd", self.__class__.__name__))
|
|
|
|
def get_source_str(self, table_name):
|
|
table_path = "/" + table_name + ".tsv"
|
|
return '''
|
|
<executable>
|
|
<command>{cmd}</command>
|
|
<format>TabSeparated</format>
|
|
</executable>
|
|
'''.format(
|
|
cmd=self._get_cmd(table_path),
|
|
)
|
|
|
|
def prepare(self, structure, table_name, cluster):
|
|
self.node = cluster.instances[self.docker_hostname]
|
|
path = "/" + table_name + ".tsv"
|
|
self.node.exec_in_container(["bash", "-c", "touch {}".format(path)])
|
|
self.ordered_names = structure.get_ordered_names()
|
|
self.prepared = True
|
|
|
|
def load_data(self, data, table_name):
|
|
if not data:
|
|
return
|
|
path = "/" + table_name + ".tsv"
|
|
for row in list(data):
|
|
sorted_row = []
|
|
for name in self.ordered_names:
|
|
sorted_row.append(str(row.data[name]))
|
|
|
|
str_data = '\t'.join(sorted_row)
|
|
self.node.exec_in_container(["bash", "-c", "echo \"{row}\" >> {fname}".format(row=str_data, fname=path)])
|
|
|
|
|
|
class SourceExecutableCache(_SourceExecutableBase):
|
|
|
|
def _get_cmd(self, path):
|
|
return "cat {}".format(path)
|
|
|
|
def compatible_with_layout(self, layout):
|
|
return 'cache' not in layout.name
|
|
|
|
|
|
class SourceExecutableHashed(_SourceExecutableBase):
|
|
|
|
def _get_cmd(self, path):
|
|
return "cat - >/dev/null;cat {}".format(path)
|
|
|
|
def compatible_with_layout(self, layout):
|
|
return 'cache' in layout.name
|
|
|
|
class SourceHTTPBase(ExternalSource):
|
|
|
|
PORT_COUNTER = 5555
|
|
def get_source_str(self, table_name):
|
|
self.http_port = SourceHTTPBase.PORT_COUNTER
|
|
url = "{schema}://{host}:{port}/".format(schema=self._get_schema(), host=self.docker_hostname, port=self.http_port)
|
|
SourceHTTPBase.PORT_COUNTER += 1
|
|
return '''
|
|
<http>
|
|
<url>{url}</url>
|
|
<format>TabSeparated</format>
|
|
</http>
|
|
'''.format(url=url)
|
|
|
|
def prepare(self, structure, table_name, cluster):
|
|
self.node = cluster.instances[self.docker_hostname]
|
|
path = "/" + table_name + ".tsv"
|
|
self.node.exec_in_container(["bash", "-c", "touch {}".format(path)])
|
|
|
|
script_dir = os.path.dirname(os.path.realpath(__file__))
|
|
self.node.copy_file_to_container(os.path.join(script_dir, './http_server.py'), '/http_server.py')
|
|
self.node.copy_file_to_container(os.path.join(script_dir, './fake_cert.pem'), '/fake_cert.pem')
|
|
self.node.exec_in_container([
|
|
"bash",
|
|
"-c",
|
|
"python2 /http_server.py --data-path={tbl} --schema={schema} --host={host} --port={port} --cert-path=/fake_cert.pem".format(
|
|
tbl=path, schema=self._get_schema(), host=self.docker_hostname, port=self.http_port)
|
|
], detach=True)
|
|
self.ordered_names = structure.get_ordered_names()
|
|
self.prepared = True
|
|
|
|
def load_data(self, data, table_name):
|
|
if not data:
|
|
return
|
|
path = "/" + table_name + ".tsv"
|
|
for row in list(data):
|
|
sorted_row = []
|
|
for name in self.ordered_names:
|
|
sorted_row.append(str(row.data[name]))
|
|
|
|
str_data = '\t'.join(sorted_row)
|
|
self.node.exec_in_container(["bash", "-c", "echo \"{row}\" >> {fname}".format(row=str_data, fname=path)])
|
|
|
|
|
|
class SourceHTTP(SourceHTTPBase):
|
|
def _get_schema(self):
|
|
return "http"
|
|
|
|
|
|
class SourceHTTPS(SourceHTTPBase):
|
|
def _get_schema(self):
|
|
return "https"
|