Files
kubernetes.core/plugins/module_utils/selector.py
abikouo a4701a6806 replace iterator by generator (#205)
Fix network_sanity_ee_tests

SUMMARY

Network sanity ee tests are broken

ISSUE TYPE


Bugfix Pull Request

COMPONENT NAME

ADDITIONAL INFORMATION

Reviewed-by: Abhijeet Kasurde <None>
Reviewed-by: None <None>
2021-08-17 13:33:27 +00:00

72 lines
2.7 KiB
Python

# Copyright [2021] [Red Hat, 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 re
class Selector(object):
equality_based_operators = ('==', '!=', '=')
def __init__(self, data):
self._operator = None
self._data = None
if not self.parse_set_based_requirement(data):
no_whitespace_data = data.replace(" ", "")
for op in self.equality_based_operators:
idx = no_whitespace_data.find(op)
if idx != -1:
self._operator = "in" if op == '==' or op == '=' else "notin"
self._key = no_whitespace_data[0:idx]
self._data = [no_whitespace_data[idx + len(op):]]
break
def parse_set_based_requirement(self, data):
m = re.match(r'( *)([a-z0-9A-Z][a-z0-9A-Z\._-]*[a-z0-9A-Z])( +)(notin|in)( +)\((.*)\)( *)', data)
if m:
self._set_based_requirement = True
self._key = m.group(2)
self._operator = m.group(4)
self._data = [x.replace(' ', '') for x in m.group(6).split(',') if x != '']
return True
elif all(x not in data for x in self.equality_based_operators):
self._key = data.rstrip(" ").lstrip(" ")
if self._key.startswith("!"):
self._key = self._key[1:].lstrip(" ")
self._operator = "!"
return True
return False
def isMatch(self, labels):
if self._operator == "in":
return self._key in labels and labels.get(self._key) in self._data
elif self._operator == "notin":
return self._key not in labels or labels.get(self._key) not in self._data
else:
return self._key not in labels if self._operator == "!" else self._key in labels
class LabelSelectorFilter(object):
def __init__(self, label_selectors):
self.selectors = [Selector(data) for data in label_selectors]
def isMatching(self, definition):
if "metadata" not in definition or "labels" not in definition['metadata']:
return False
labels = definition['metadata']['labels']
if not isinstance(labels, dict):
return None
return all(sel.isMatch(labels) for sel in self.selectors)