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# Copyright 2015 Infoblox 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.
import six
from infoblox_client import exceptions as ib_ex
FEATURE_VERSIONS = {
'create_ea_def': '2.2',
'cloud_api': '2.0',
'member_ipv6_setting': '2.2',
'member_licenses': '2.0',
'enable_member_dns': '2.2.1',
'enable_member_dhcp': '2.2.1'}
class Feature(object):
"""Class representing available NIOS features
Based on the following:
- Infoblox WAPI Version
- Known features and corresponding WAPI version requirement
the Feature class represents available NIOS features as attributes.
"""
def __init__(self, version, feature_versions=None):
self._wapi_version = None
if feature_versions is None:
feature_versions = FEATURE_VERSIONS
if isinstance(version, six.string_types):
wapi_version = version
elif hasattr(version, 'wapi_version'):
wapi_version = getattr(version, 'wapi_version')
else:
msg = "WAPI version cannot be determined from '%s'" % version
raise ib_ex.InfobloxConfigException(msg=msg)
wapi_util = WapiVersionUtil(wapi_version)
for f, v in feature_versions.items():
setattr(self,
f,
wapi_util.is_version_supported(v))
class WapiVersionUtil(object):
"""Provide utility functions for manipulating WAPI version
Provide methods that manipulate and get information from
WAPI version string.
"""
def __init__(self, version):
self._version_parts = self._get_wapi_version_parts(version)
@property
def version_parts(self):
return self._version_parts
@property
def major_version(self):
return self.version_parts[0]
@property
def minor_version(self):
return self.version_parts[1]
@property
def patch_version(self):
return self.version_parts[2]
def is_version_supported(self, req_ver):
req_parts = WapiVersionUtil(req_ver).version_parts
for a, b in zip(self.version_parts, req_parts):
if a is None:
return True if b is None else False
elif b is None:
return True
elif not a == b:
return a > b
return True
@staticmethod
def _get_wapi_version_parts(version):
parts = version.split('.')
if not parts or len(parts) > 3 or len(parts) < 2:
raise ValueError("Invalid argument was passed")
for p in parts:
if not len(p) or not p.isdigit():
raise ValueError("Invalid argument was passed")
parts = [int(x) for x in parts]
if len(parts) == 2:
parts.append(0)
return parts
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