openstack/oslo.utils
Code Issues Proposed changes

Merge "is_valid_ipv4: Enable strict check by default"

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Zuul 2024-11-07 10:55:53 +00:00 committed by Gerrit Code Review
commit db58371f0e
3 changed files with 15 additions and 34 deletions
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23
oslo_utils/netutils.py
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@ -84,7 +84,7 @@ def parse_host_port(address, default_port=None):
return (host, None if port is None else int(port))
def is_valid_ipv4(address, strict=None):
def is_valid_ipv4(address, strict=True):
"""Verify that address represents a valid IPv4 address.
:param address: Value to verify
@ -104,29 +104,12 @@ def is_valid_ipv4(address, strict=None):
if not address:
return False
if strict is not None:
flag = INET_PTON if strict else INET_ATON
try:
return netaddr.valid_ipv4(address, flags=flag)
except netaddr.AddrFormatError:
return False
# non strict mode
try:
if netaddr.valid_ipv4(address, flags=INET_PTON):
return True
else:
if netaddr.valid_ipv4(address, flags=INET_ATON):
LOG.warning(
'Converting in non strict mode is deprecated. '
'You should pass strict=False if you want to '
'preserve legacy behavior')
return True
else:
return False
except netaddr.AddrFormatError:
return False
def is_valid_ipv6(address):
"""Verify that address represents a valid IPv6 address.
@ -235,7 +218,7 @@ def get_ipv6_addr_by_EUI64(prefix, mac):
msg = _("Prefix must be a string")
raise TypeError(msg)
# Check if the prefix is an IPv4 address
if is_valid_ipv4(prefix):
if is_valid_ipv4(prefix, False):
msg = _("Unable to generate IP address by EUI64 for IPv4 prefix")
raise ValueError(msg)
try:
@ -327,7 +310,7 @@ def is_valid_ip(address):
.. versionadded:: 1.1
"""
return is_valid_ipv4(address) or is_valid_ipv6(address)
return is_valid_ipv4(address, False) or is_valid_ipv6(address)
def is_valid_mac(address):

16
oslo_utils/tests/test_netutils.py
View File

@ -156,27 +156,19 @@ class NetworkUtilsTest(test_base.BaseTestCase):
@mock.patch.object(netutils, 'LOG', autospec=True)
def test_is_valid_ipv4(self, mock_log):
expected_log = 'Converting in non strict mode is deprecated. ' \
'You should pass strict=False if you want to preserve ' \
'legacy behavior'
self.assertTrue(netutils.is_valid_ipv4('42.42.42.42'))
self.assertFalse(netutils.is_valid_ipv4('-1.11.11.11'))
self.assertFalse(netutils.is_valid_ipv4(''))
self.assertTrue(netutils.is_valid_ipv4('10'))
mock_log.warning.assert_called_with(expected_log)
mock_log.reset_mock()
self.assertTrue(netutils.is_valid_ipv4('10.10'))
mock_log.warning.assert_called_with(expected_log)
mock_log.reset_mock()
self.assertTrue(netutils.is_valid_ipv4('10.10.10'))
mock_log.warning.assert_called_with(expected_log)
mock_log.reset_mock()
self.assertFalse(netutils.is_valid_ipv4('10'))
self.assertFalse(netutils.is_valid_ipv4('10.10'))
self.assertFalse(netutils.is_valid_ipv4('10.10.10'))
self.assertTrue(netutils.is_valid_ipv4('10.10.10.10'))
mock_log.warning.assert_not_called()
mock_log.reset_mock()
self.assertFalse(
netutils.is_valid_ipv4('10', strict=True)
)

6
releasenotes/notes/is_valid_ipv4-strict-3da92c0452aaf947.yaml Normal file
View File

@ -0,0 +1,6 @@
---
upgrade:
- |
The ``netutils.is_valid_ipv4`` method now enables the strict check by
default. To preserve the previous behavior, set the ``strict`` argument to
``False``.