cloudbase-init/cloudbaseinit/version.py

74 lines
2.2 KiB
Python

# Copyright 2015 Cloudbase Solutions Srl
#
# 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 json
import threading
from oslo_log import log as oslo_logging
import pbr.version
import requests
import six
_UPDATE_CHECK_URL = 'https://www.cloudbase.it/checkupdates.php?p={0}&v={1}'
_PRODUCT_NAME = 'Cloudbase-Init'
LOG = oslo_logging.getLogger(__name__)
def _read_url(url):
# Disable certificate verification on Python 2 as
# requests' CA list is incomplete. Works fine on Python3.
req = requests.get(url, verify=six.PY3,
headers={'User-Agent': _PRODUCT_NAME})
req.raise_for_status()
if req.text:
return json.loads(req.text)
def _check_latest_version(callback):
product_version = get_version()
url = _UPDATE_CHECK_URL.format(_PRODUCT_NAME, product_version)
try:
content = _read_url(url)
if not content:
return
version = content.get('new_version')
if version:
callback(version)
except Exception as exc:
LOG.debug('Failed checking for new versions: %s', exc)
return
def check_latest_version(done_callback):
"""Try to obtain the latest version of the product."""
thread = threading.Thread(target=_check_latest_version,
args=(done_callback, ))
thread.daemon = True
thread.start()
def get_version():
"""Obtain the full project version, including alpha / beta / rc tags"""
version = pbr.version.VersionInfo('cloudbase-init')
return version.release_string()
def get_canonical_version():
"""Obtain the short, released project version."""
version = pbr.version.VersionInfo('cloudbase-init')
return version.canonical_version_string()