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#!/usr/bin/python
# -*- coding: utf-8 -*-
# vim: expandtab:tabstop=4:shiftwidth=4
"""
Custom version comparison filters for use in openshift-ansible
"""
# pylint can't locate distutils.version within virtualenv
# https://github.com/PyCQA/pylint/issues/73
# pylint: disable=no-name-in-module, import-error
from distutils.version import LooseVersion
def gte_function_builder(name, versions):
"""
Build and return a version comparison function.
Ex: name = 'oo_version_gte_3_1_or_1_1'
versions = {'enterprise': '3.1', 'origin': '1.1'}
returns oo_version_gte_3_1_or_1_1, a function which based on the
version and deployment type will return true if the provided
version is greater than or equal to the function's version
"""
enterprise_version = versions['enterprise']
origin_version = versions['origin']
def _gte_function(version, deployment_type):
"""
Dynamic function created by gte_function_builder.
Ex: version = '3.1'
deployment_type = 'openshift-enterprise'
returns True/False
"""
version_gte = False
if 'enterprise' in deployment_type:
if str(version) >= LooseVersion(enterprise_version):
version_gte = True
elif 'origin' in deployment_type:
if str(version) >= LooseVersion(origin_version):
version_gte = True
return version_gte
_gte_function.__name__ = name
return _gte_function
# pylint: disable=too-few-public-methods
class FilterModule(object):
"""
Filters for version checking.
"""
#: The major versions to start incrementing. (enterprise, origin)
majors = [(3, 1)]
#: The minor version to start incrementing
minor = 3
#: The number of iterations to increment
minor_iterations = 10
def __init__(self):
"""
Creates a new FilterModule for ose version checking.
"""
self._filters = {}
# For each major version
for enterprise, origin in self.majors:
# For each minor version in the range
for minor in range(self.minor, self.minor_iterations):
# Create the function name
func_name = 'oo_version_gte_{}_{}_or_{}_{}'.format(
enterprise, minor, origin, minor)
# Create the function with the builder
func = gte_function_builder(
func_name, {
'enterprise': '{}.{}.0'.format(enterprise, minor),
'origin': '{}.{}.0'.format(origin, minor)
})
# Add the function to the mapping
self._filters[func_name] = func
# Create filters with special versioning requirements
self._filters['oo_version_gte_3_1_or_1_1'] = gte_function_builder('oo_version_gte_3_1_or_1_1',
{'enterprise': '3.0.2.905',
'origin': '1.1.0'})
self._filters['oo_version_gte_3_1_1_or_1_1_1'] = gte_function_builder('oo_version_gte_3_1_or_1_1',
{'enterprise': '3.1.1',
'origin': '1.1.1'})
self._filters['oo_version_gte_3_2_or_1_2'] = gte_function_builder('oo_version_gte_3_2_or_1_2',
{'enterprise': '3.1.1.901',
'origin': '1.2.0'})
def filters(self):
"""
Return the filters mapping.
"""
return self._filters
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