ClickHouse/utils/s3tools/s3uploader

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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
import os
import logging
import argparse
import tarfile
import math
try:
from boto.s3.connection import S3Connection
except ImportError:
raise ImportError("You have to install boto package 'pip install boto'")
class S3API(object):
def __init__(self, access_key, secret_access_key, mds_api, mds_url):
self.connection = S3Connection(
host=mds_api,
aws_access_key_id=access_key,
aws_secret_access_key=secret_access_key,
)
self.mds_url = mds_url
def upload_file(self, bucket_name, file_path, s3_path):
logging.info("Start uploading file to bucket %s", bucket_name)
bucket = self.connection.get_bucket(bucket_name)
key = bucket.initiate_multipart_upload(s3_path)
logging.info("Will upload to s3 path %s", s3_path)
chunksize = 1024 * 1024 * 1024 # 1 GB
filesize = os.stat(file_path).st_size
logging.info("File size if %s", filesize)
chunkcount = int(math.ceil(filesize / chunksize))
def call_back(x, y):
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print("Uploaded {}/{} bytes".format(x, y))
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try:
for i in range(chunkcount + 1):
logging.info("Uploading chunk %s of %s", i, chunkcount + 1)
offset = chunksize * i
bytes_size = min(chunksize, filesize - offset)
with open(file_path, 'r') as fp:
fp.seek(offset)
key.upload_part_from_file(fp=fp, part_num=i+1,
size=bytes_size, cb=call_back,
num_cb=100)
key.complete_upload()
except Exception as ex:
key.cancel_upload()
raise ex
logging.info("Contents were set")
return "https://{bucket}.{mds_url}/{path}".format(
bucket=bucket_name, mds_url=self.mds_url, path=s3_path)
def make_tar_file_for_table(clickhouse_data_path, db_name, table_name,
tmp_prefix):
relative_data_path = os.path.join('data', db_name, table_name)
relative_meta_path = os.path.join('metadata', db_name, table_name + '.sql')
path_to_data = os.path.join(clickhouse_data_path, relative_data_path)
path_to_metadata = os.path.join(clickhouse_data_path, relative_meta_path)
temporary_file_name = tmp_prefix + '/{tname}.tar'.format(tname=table_name)
with tarfile.open(temporary_file_name, "w") as bundle:
bundle.add(path_to_data, arcname=relative_data_path)
bundle.add(path_to_metadata, arcname=relative_meta_path)
return temporary_file_name
USAGE_EXAMPLES = '''
examples:
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\t./s3uploader --dataset-name some_ds --access-key-id XXX --secret-access-key YYY --clickhouse-data-path /opt/clickhouse/ --table-name default.some_tbl --bucket-name some-bucket
\t./s3uploader --dataset-name some_ds --access-key-id XXX --secret-access-key YYY --file-path some_ds.tsv.xz --bucket-name some-bucket --s3-path /path/to/
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'''
if __name__ == "__main__":
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logging.basicConfig(level=logging.INFO, format='%(asctime)s %(message)s')
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parser = argparse.ArgumentParser(
description="Simple tool for uploading datasets to clickhouse S3",
usage='%(prog)s [options] {}'.format(USAGE_EXAMPLES))
parser.add_argument('--s3-api-url', default='s3.mds.yandex.net')
parser.add_argument('--s3-common-url', default='s3.yandex.net')
parser.add_argument('--bucket-name', default='clickhouse-datasets')
parser.add_argument('--dataset-name', required=True,
help='Name of dataset, will be used in uploaded path')
parser.add_argument('--access-key-id', required=True)
parser.add_argument('--secret-access-key', required=True)
parser.add_argument('--clickhouse-data-path',
default='/var/lib/clickhouse/',
help='Path to clickhouse database on filesystem')
parser.add_argument('--s3-path', help='Path in s3, where to upload file')
parser.add_argument('--tmp-prefix', default='/tmp',
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help='Prefix to store temporary downloaded file')
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data_group = parser.add_mutually_exclusive_group(required=True)
table_name_argument = data_group.add_argument('--table-name',
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help='Name of table with database, if you are uploading partitions')
data_group.add_argument('--file-path',
help='Name of file, if you are uploading')
args = parser.parse_args()
if args.table_name is not None and args.clickhouse_data_path is None:
raise argparse.ArgumentError(table_name_argument,
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"You should specify --clickhouse-data-path to upload --table")
s3_conn = S3API(
args.access_key_id, args.secret_access_key,
args.s3_api_url, args.s3_common_url)
if args.table_name is not None:
if '.' not in args.table_name:
db_name = 'default'
else:
db_name, table_name = args.table_name.split('.')
file_path = make_tar_file_for_table(
args.clickhouse_data_path, db_name, table_name, args.tmp_prefix)
else:
file_path = args.file_path
if 'tsv' in file_path:
s3_path = os.path.join(
args.dataset_name, 'tsv', os.path.basename(file_path))
elif args.table_name is not None:
s3_path = os.path.join(
args.dataset_name, 'partitions', os.path.basename(file_path))
elif args.s3_path is not None:
s3_path = os.path.join(
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args.dataset_name, args.s3_path, os.path.basename(file_path))
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else:
raise Exception("Don't know s3-path to upload")
url = s3_conn.upload_file(args.bucket_name, file_path, s3_path)
logging.info("Data uploaded: %s", url)