add utils for verifying presence/absence in DNS

master
Justin Riley 2016-09-28 10:48:26 -04:00
parent 8bad8b47d4
commit bc88849e31
1 changed files with 23 additions and 0 deletions

View File

@ -1,5 +1,8 @@
import dnslib
from IPy import IP
from onedns import utils
from onedns.tests import conftest
@ -9,3 +12,23 @@ def dnsquery(qname, qtype, server=None, port=None, tcp=False):
q = dnslib.DNSRecord(q=dnslib.DNSQuestion(qname, qtype))
a_pkt = q.send(server, port, tcp=tcp)
return dnslib.DNSRecord.parse(a_pkt)
def verify_vm_dns(dns_entries, domain=None):
domain = domain or conftest.DOMAIN
for name, ip in dns_entries.items():
fqdn = utils.get_fqdn(name, domain)
reverse = IP(ip).reverseName()
assert dnsquery(fqdn, dnslib.QTYPE.A).short() == ip
assert dnsquery(reverse, dnslib.QTYPE.PTR).short() == fqdn
def verify_vm_dns_absent(dns_entries, domain=None):
domain = domain or conftest.DOMAIN
for name, ip in dns_entries.items():
fqdn = utils.get_fqdn(name, domain)
reverse = IP(ip).reverseName()
q = dnsquery(fqdn, dnslib.QTYPE.A)
assert dnslib.RCODE.get(q.header.rcode) == 'NXDOMAIN'
q = dnsquery(reverse, dnslib.QTYPE.PTR)
assert dnslib.RCODE.get(q.header.rcode) == 'NXDOMAIN'