Files
vppcfg/validator/loopback.py
2022-03-13 21:08:32 +00:00

51 lines
1.6 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
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 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
logger.debug("Validating loopbacks...")
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
return result, msgs