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# Copyright 2015 OpenStack LLC.
# 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 netaddr
import six
import re
try:
from oslo_log import log as logging
except ImportError: # pragma: no cover
import logging
try:
from oslo_serialization import jsonutils
except ImportError: # pragma: no cover
import json as jsonutils
LOG = logging.getLogger(__name__)
def is_valid_ip(ip):
"""Check if the given IP address is valid."""
if not ip:
LOG.info("IP address is not provided")
return False
try:
netaddr.IPAddress(ip)
except netaddr.core.AddrFormatError:
LOG.info("Invalid IP address provided: %s", ip)
return False
return True
def generate_duid(mac):
"""DUID is consisted of 10 hex numbers.
0x00 + mac with last 3 hex + mac with 6 hex
"""
valid = mac and isinstance(mac, six.string_types)
if not valid:
raise ValueError("Invalid argument was passed")
return "00:" + mac[9:] + ":" + mac
def determine_ip_version(ip_in):
ip_ver = 4
if isinstance(ip_in, (list, tuple)):
ip_in = ip_in[0]
if ip_in:
if isinstance(ip_in, int):
if ip_in == 6:
ip_ver = 6
else:
ip_ver = 4
elif hasattr(ip_in, 'ip_version'):
return ip_in.ip_version
else:
if type(ip_in) is dict:
addr = ip_in['ip_address']
else:
addr = ip_in
try:
ip = netaddr.IPAddress(addr)
except ValueError:
ip = netaddr.IPNetwork(addr)
ip_ver = ip.version
return ip_ver
def safe_json_load(data):
try:
return jsonutils.loads(data)
except ValueError:
LOG.warning("Could not decode reply into json: %s", data)
def try_value_to_bool(value, strict_mode=True):
"""Tries to convert value into boolean.
Args:
value (str): Value that should be converted into boolean.
strict_mode (bool):
- If strict_mode is True, Only string representation of str(True)
and str(False) are converted into booleans;
- If strict_mode is False, anything that looks like True or False
is converted into booleans:
- Values accepted as True are: 'true', 'on', 'yes' (case
independent)
- Values accepted as False are: 'false', 'off', 'no' (case
independent)
Returns:
True, False, or original value in case of failed conversion.
"""
if strict_mode:
true_list = ('True',)
false_list = ('False',)
val = value
else:
true_list = ('true', 'on', 'yes')
false_list = ('false', 'off', 'no')
val = str(value).lower()
if val in true_list:
return True
elif val in false_list:
return False
return value
def paging(response, max_results):
"""Returns WAPI response page by page
Args:
response (list): WAPI response.
max_results (int): Maximum number of objects to be returned
in one page.
Returns:
Generator object with WAPI response split page by page.
"""
i = 0
while i < len(response):
yield response[i:i + max_results]
i = i + max_results
def mask_sensitive_data(data, sensitive_keys=None):
if sensitive_keys is None:
sensitive_keys = ['username', 'password', 'cert', 'key']
if isinstance(data, dict):
# Mask sensitive data in dictionary
return {
k: ('****' if k in sensitive_keys else v) for k, v in data.items()
}
elif isinstance(data, str):
# Mask sensitive data in string
patterns = {key: rf'(?<={key}=)[^&]*' for key in sensitive_keys}
for key, pattern in patterns.items():
data = re.sub(pattern, '****', data)
return data
return data
def format_html(html_content):
if not html_content:
return ''
# Replace HTML tags with newlines and indentation for readability
# Decode if the content is in bytes
if isinstance(html_content, bytes):
html_content = html_content.decode('utf-8')
formatted_content = html_content.replace('<', '\n<')
formatted_content = formatted_content.replace('>', '>\n')
formatted_content = '\n'.join(
line.strip() for line in formatted_content.split('\n') if line.strip())
return formatted_content
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