vmware-nsx/vmware_nsx/api_client/version.py

47 lines
1.4 KiB
Python

# Copyright 2012 VMware, Inc.
#
# All Rights Reserved
#
# 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.
#
from oslo_log import log as logging
from neutron.i18n import _LW
LOG = logging.getLogger(__name__)
def find_version(headers):
"""Retrieve NSX controller version from response headers."""
for (header_name, header_value) in (headers or ()):
try:
if header_name == 'server':
return Version(header_value.split('/')[1])
except IndexError:
LOG.warning(_LW("Unable to fetch NSX version from response "
"headers :%s"), headers)
class Version(object):
"""Abstracts NSX version by exposing major and minor."""
def __init__(self, version):
self.full_version = version.split('.')
self.major = int(self.full_version[0])
self.minor = int(self.full_version[1])
def __str__(self):
return '.'.join(self.full_version)