add utils for verifying presence/absence in DNS
parent
8bad8b47d4
commit
bc88849e31
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@ -1,5 +1,8 @@
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import dnslib
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from IPy import IP
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from onedns import utils
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from onedns.tests import conftest
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@ -9,3 +12,23 @@ def dnsquery(qname, qtype, server=None, port=None, tcp=False):
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q = dnslib.DNSRecord(q=dnslib.DNSQuestion(qname, qtype))
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a_pkt = q.send(server, port, tcp=tcp)
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return dnslib.DNSRecord.parse(a_pkt)
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def verify_vm_dns(dns_entries, domain=None):
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domain = domain or conftest.DOMAIN
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for name, ip in dns_entries.items():
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fqdn = utils.get_fqdn(name, domain)
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reverse = IP(ip).reverseName()
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assert dnsquery(fqdn, dnslib.QTYPE.A).short() == ip
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assert dnsquery(reverse, dnslib.QTYPE.PTR).short() == fqdn
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def verify_vm_dns_absent(dns_entries, domain=None):
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domain = domain or conftest.DOMAIN
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for name, ip in dns_entries.items():
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fqdn = utils.get_fqdn(name, domain)
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reverse = IP(ip).reverseName()
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q = dnsquery(fqdn, dnslib.QTYPE.A)
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assert dnslib.RCODE.get(q.header.rcode) == 'NXDOMAIN'
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q = dnsquery(reverse, dnslib.QTYPE.PTR)
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assert dnslib.RCODE.get(q.header.rcode) == 'NXDOMAIN'
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