ba22b1aad8
They now all return a list [ifname, iface]. If no interface was found they return None,None. If one was found, they return the (string) name and the dictionary with interface contents.
56 lines
1.9 KiB
Python
56 lines
1.9 KiB
Python
#
|
|
# Copyright (c) 2022 Pim van Pelt
|
|
#
|
|
# 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 logging
|
|
import validator.lcp as lcp
|
|
import validator.address as address
|
|
|
|
class NullHandler(logging.Handler):
|
|
def emit(self, record):
|
|
pass
|
|
|
|
def get_by_name(yaml, ifname):
|
|
""" Return the loopback by name, if it exists. Return None otherwise. """
|
|
try:
|
|
if ifname in yaml['loopbacks']:
|
|
return ifname, yaml['loopbacks'][ifname]
|
|
except:
|
|
pass
|
|
return None
|
|
|
|
|
|
def validate_loopbacks(yaml):
|
|
result = True
|
|
msgs = []
|
|
logger = logging.getLogger('vppcfg.validator')
|
|
logger.addHandler(NullHandler())
|
|
|
|
if not 'loopbacks' in yaml:
|
|
return result, msgs
|
|
|
|
for ifname, iface in yaml['loopbacks'].items():
|
|
logger.debug("loopback %s" % iface)
|
|
if 'addresses' in iface and not 'lcp' in iface:
|
|
msgs.append("loopback %s has an address but no LCP" % ifname)
|
|
result = False
|
|
if 'lcp' in iface and not lcp.is_unique(yaml, iface['lcp']):
|
|
msgs.append("loopback %s does not have a unique LCP name %s" % (ifname, iface['lcp']))
|
|
result = False
|
|
if 'addresses' in iface:
|
|
for a in iface['addresses']:
|
|
if not address.is_allowed(yaml, ifname, iface['addresses'], a):
|
|
msgs.append("loopback %s IP address %s conflicts with another" % (ifname, a))
|
|
result = False
|
|
|
|
return result, msgs
|