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plugin/kubernetes: error NXDOMAIN for TXT lookups (#5737)

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plugin/kubernetes: fix NXDOMAIN/NOERROR responses for TXT queries

Signed-off-by: Laurence Robinson <laurence_robinson@live.co.uk>
Co-authored-by: Laurence Robinson <laurence.robinson@deshaw.com>
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LAMRobinson 2022-12-13 20:36:46 +00:00 • committed by GitHub
parent 7813b6e090
commit c3228615e0
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2 changed files with 30 additions and 6 deletions
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16
plugin/kubernetes/handler_test.go
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@ -247,6 +247,22 @@ var dnsTestCases = []kubeTestCase{
test.TXT("dns-version.cluster.local 28800 IN TXT 1.1.0"),
},
}},
// A TXT record does not exist but another record for the same FQDN does
{Case: test.Case{
Qname: "svc1.testns.svc.cluster.local.", Qtype: dns.TypeTXT,
Rcode: dns.RcodeSuccess,
Ns: []dns.RR{
test.SOA("cluster.local. 5 IN SOA ns.dns.cluster.local. hostmaster.cluster.local. 1499347823 7200 1800 86400 5"),
},
}},
// A TXT record does not exist and neither does another record for the same FQDN
{Case: test.Case{
Qname: "svc0.svc-nons.svc.cluster.local.", Qtype: dns.TypeTXT,
Rcode: dns.RcodeNameError,
Ns: []dns.RR{
test.SOA("cluster.local. 5 IN SOA ns.dns.cluster.local. hostmaster.cluster.local. 1499347823 7200 1800 86400 5"),
},
}},
// A Service (Headless) does not exist
{Case: test.Case{
Qname: "bogusendpoint.hdls1.testns.svc.cluster.local.", Qtype: dns.TypeA,