fuel-web/fuel_upgrade_system/fuel_update_downloader/fuel_update_downloader/cli.py

77 lines
1.9 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2014 Mirantis, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import argparse
import sys
import traceback
from fuel_update_downloader.downloader import Downloader
from fuel_update_downloader import errors
def handle_exception(exc):
if isinstance(exc, errors.FuelUpgradeException):
sys.stderr.write(exc.message + "\n")
sys.exit(-1)
else:
traceback.print_exc(exc)
sys.exit(-1)
def parse_args():
parser = argparse.ArgumentParser()
parser.add_argument(
'--src',
help='update url',
required=True)
parser.add_argument(
'--dst',
help='update path with update name',
required=True)
parser.add_argument(
'--checksum',
help='checksum of file',
required=True)
parser.add_argument(
'--size',
help='required free space for upgrade',
required=True,
type=int)
return parser.parse_args()
def run_upgrade(args):
"""Run upgrade on master node
"""
downloader = Downloader(
src_path=args.src,
dst_path=args.dst,
checksum=args.checksum,
required_free_space=args.size)
downloader.run()
def main():
"""Entry point
"""
try:
run_upgrade(parse_args())
except Exception as exc:
handle_exception(exc)