1 # Copyright 2019 AT&T Intellectual Property. All rights reserved.
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
18 from robot.api.deco import keyword
21 class DNSKeywords(object):
22 """ Utilities useful for DNS requests """
25 super(DNSKeywords, self).__init__()
28 def dns_request(self, domain, ns):
29 """ return the ip address of the given domain name from the given nameserver """
30 request = dns.message.make_query(domain, dns.rdatatype.A)
31 request.flags |= dns.flags.AD
32 request.find_rrset(request.additional, dns.name.root, 65535, dns.rdatatype.OPT, create=True, force_unique=True)
33 response = dns.query.udp(request, ns)
35 for answer in response.answer:
36 for item in answer.items: