mirror of
https://github.com/coredns/coredns.git
synced 2026-05-25 19:30:23 -04:00
3080ec0448
Enable errorlint and preserve wrapped error chains so runtime checks and tests classify failures correctly. This also makes Route53 surface insert failures instead of silently dropping them. Signed-off-by: Ville Vesilehto <ville@vesilehto.fi>
223 lines
9.3 KiB
Go
223 lines
9.3 KiB
Go
package kubernetes
|
|
|
|
import (
|
|
"errors"
|
|
"net"
|
|
"strings"
|
|
"testing"
|
|
|
|
"github.com/coredns/coredns/plugin/transfer"
|
|
|
|
"github.com/miekg/dns"
|
|
)
|
|
|
|
func TestKubernetesTransferNonAuthZone(t *testing.T) {
|
|
k := New([]string{"cluster.local."})
|
|
k.APIConn = &APIConnServeTest{}
|
|
k.Namespaces = map[string]struct{}{"testns": {}, "kube-system": {}}
|
|
k.localIPs = []net.IP{net.ParseIP("10.0.0.10")}
|
|
|
|
dnsmsg := &dns.Msg{}
|
|
dnsmsg.SetAxfr("example.com")
|
|
|
|
_, err := k.Transfer("example.com", 0)
|
|
if !errors.Is(err, transfer.ErrNotAuthoritative) {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
func TestKubernetesAXFR(t *testing.T) {
|
|
k := New([]string{"cluster.local."})
|
|
k.APIConn = &APIConnServeTest{}
|
|
k.Namespaces = map[string]struct{}{"testns": {}, "kube-system": {}}
|
|
k.localIPs = []net.IP{net.ParseIP("10.0.0.10")}
|
|
|
|
dnsmsg := &dns.Msg{}
|
|
dnsmsg.SetAxfr(k.Zones[0])
|
|
|
|
ch, err := k.Transfer(k.Zones[0], 0)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
validateAXFR(t, ch, false)
|
|
}
|
|
|
|
func TestKubernetesMultiClusterAXFR(t *testing.T) {
|
|
k := New([]string{"cluster.local.", "clusterset.local."})
|
|
k.opts.multiclusterZones = []string{"clusterset.local."}
|
|
k.APIConn = &APIConnServeTest{}
|
|
k.Namespaces = map[string]struct{}{"testns": {}, "kube-system": {}}
|
|
k.localIPs = []net.IP{net.ParseIP("10.0.0.10")}
|
|
|
|
dnsmsg := &dns.Msg{}
|
|
dnsmsg.SetAxfr("clusterset.local.")
|
|
|
|
ch, err := k.Transfer("clusterset.local.", 0)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
validateAXFR(t, ch, true)
|
|
}
|
|
|
|
func TestKubernetesIXFRFallback(t *testing.T) {
|
|
k := New([]string{"cluster.local."})
|
|
k.APIConn = &APIConnServeTest{}
|
|
k.Namespaces = map[string]struct{}{"testns": {}, "kube-system": {}}
|
|
k.localIPs = []net.IP{net.ParseIP("10.0.0.10")}
|
|
|
|
dnsmsg := &dns.Msg{}
|
|
dnsmsg.SetAxfr(k.Zones[0])
|
|
|
|
ch, err := k.Transfer(k.Zones[0], 1)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
validateAXFR(t, ch, false)
|
|
}
|
|
|
|
func TestKubernetesIXFRCurrent(t *testing.T) {
|
|
k := New([]string{"cluster.local."})
|
|
k.APIConn = &APIConnServeTest{}
|
|
k.Namespaces = map[string]struct{}{"testns": {}, "kube-system": {}}
|
|
k.localIPs = []net.IP{net.ParseIP("10.0.0.10")}
|
|
|
|
dnsmsg := &dns.Msg{}
|
|
dnsmsg.SetAxfr(k.Zones[0])
|
|
|
|
ch, err := k.Transfer(k.Zones[0], 3)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
var gotRRs []dns.RR
|
|
for rrs := range ch {
|
|
gotRRs = append(gotRRs, rrs...)
|
|
}
|
|
|
|
// ensure only one record is returned
|
|
if len(gotRRs) > 1 {
|
|
t.Errorf("Expected only one answer, got %d", len(gotRRs))
|
|
}
|
|
|
|
// Ensure first record is a SOA
|
|
if gotRRs[0].Header().Rrtype != dns.TypeSOA {
|
|
t.Error("Invalid transfer response, does not start with SOA record")
|
|
}
|
|
}
|
|
|
|
func validateAXFR(t *testing.T, ch <-chan []dns.RR, multicluster bool) {
|
|
t.Helper()
|
|
xfr := []dns.RR{}
|
|
for rrs := range ch {
|
|
xfr = append(xfr, rrs...)
|
|
}
|
|
if xfr[0].Header().Rrtype != dns.TypeSOA {
|
|
t.Error("Invalid transfer response, does not start with SOA record")
|
|
}
|
|
|
|
expected := expectedZone
|
|
if multicluster {
|
|
expected = expectedMultiClusterZone
|
|
}
|
|
zp := dns.NewZoneParser(strings.NewReader(expected), "", "")
|
|
i := 0
|
|
for rr, ok := zp.Next(); ok; rr, ok = zp.Next() {
|
|
if !dns.IsDuplicate(rr, xfr[i]) {
|
|
t.Fatalf("Record %d, expected\n%v\n, got\n%v", i, rr, xfr[i])
|
|
}
|
|
i++
|
|
}
|
|
|
|
if err := zp.Err(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
const expectedZone = `
|
|
cluster.local. 5 IN SOA ns.dns.cluster.local. hostmaster.cluster.local. 3 7200 1800 86400 5
|
|
cluster.local. 5 IN NS ns.dns.cluster.local.
|
|
ns.dns.cluster.local. 5 IN A 10.0.0.10
|
|
external.testns.svc.cluster.local. 5 IN CNAME ext.interwebs.test.
|
|
external-to-service.testns.svc.cluster.local. 5 IN CNAME svc1.testns.svc.cluster.local.
|
|
hdls1.testns.svc.cluster.local. 5 IN A 172.0.0.2
|
|
172-0-0-2.hdls1.testns.svc.cluster.local. 5 IN A 172.0.0.2
|
|
_http._tcp.hdls1.testns.svc.cluster.local. 5 IN SRV 0 16 80 172-0-0-2.hdls1.testns.svc.cluster.local.
|
|
hdls1.testns.svc.cluster.local. 5 IN A 172.0.0.3
|
|
172-0-0-3.hdls1.testns.svc.cluster.local. 5 IN A 172.0.0.3
|
|
_http._tcp.hdls1.testns.svc.cluster.local. 5 IN SRV 0 16 80 172-0-0-3.hdls1.testns.svc.cluster.local.
|
|
hdls1.testns.svc.cluster.local. 5 IN A 172.0.0.4
|
|
dup-name.hdls1.testns.svc.cluster.local. 5 IN A 172.0.0.4
|
|
_http._tcp.hdls1.testns.svc.cluster.local. 5 IN SRV 0 16 80 dup-name.hdls1.testns.svc.cluster.local.
|
|
hdls1.testns.svc.cluster.local. 5 IN A 172.0.0.5
|
|
dup-name.hdls1.testns.svc.cluster.local. 5 IN A 172.0.0.5
|
|
_http._tcp.hdls1.testns.svc.cluster.local. 5 IN SRV 0 16 80 dup-name.hdls1.testns.svc.cluster.local.
|
|
hdls1.testns.svc.cluster.local. 5 IN AAAA 5678:abcd::1
|
|
5678-abcd--1.hdls1.testns.svc.cluster.local. 5 IN AAAA 5678:abcd::1
|
|
_http._tcp.hdls1.testns.svc.cluster.local. 5 IN SRV 0 16 80 5678-abcd--1.hdls1.testns.svc.cluster.local.
|
|
hdls1.testns.svc.cluster.local. 5 IN AAAA 5678:abcd::2
|
|
5678-abcd--2.hdls1.testns.svc.cluster.local. 5 IN AAAA 5678:abcd::2
|
|
_http._tcp.hdls1.testns.svc.cluster.local. 5 IN SRV 0 16 80 5678-abcd--2.hdls1.testns.svc.cluster.local.
|
|
hdlsprtls.testns.svc.cluster.local. 5 IN A 172.0.0.20
|
|
172-0-0-20.hdlsprtls.testns.svc.cluster.local. 5 IN A 172.0.0.20
|
|
kubedns.kube-system.svc.cluster.local. 5 IN A 10.0.0.10
|
|
kubedns.kube-system.svc.cluster.local. 5 IN SRV 0 100 53 kubedns.kube-system.svc.cluster.local.
|
|
_dns._udp.kubedns.kube-system.svc.cluster.local. 5 IN SRV 0 100 53 kubedns.kube-system.svc.cluster.local.
|
|
svc-dual-stack.testns.svc.cluster.local. 5 IN A 10.0.0.3
|
|
svc-dual-stack.testns.svc.cluster.local. 5 IN AAAA 10::3
|
|
svc-dual-stack.testns.svc.cluster.local. 5 IN SRV 0 100 80 svc-dual-stack.testns.svc.cluster.local.
|
|
_http._tcp.svc-dual-stack.testns.svc.cluster.local. 5 IN SRV 0 100 80 svc-dual-stack.testns.svc.cluster.local.
|
|
svc1.testns.svc.cluster.local. 5 IN A 10.0.0.1
|
|
svc1.testns.svc.cluster.local. 5 IN SRV 0 100 80 svc1.testns.svc.cluster.local.
|
|
_http._tcp.svc1.testns.svc.cluster.local. 5 IN SRV 0 100 80 svc1.testns.svc.cluster.local.
|
|
svc6.testns.svc.cluster.local. 5 IN AAAA 1234:abcd::1
|
|
svc6.testns.svc.cluster.local. 5 IN SRV 0 100 80 svc6.testns.svc.cluster.local.
|
|
_http._tcp.svc6.testns.svc.cluster.local. 5 IN SRV 0 100 80 svc6.testns.svc.cluster.local.
|
|
svcempty.testns.svc.cluster.local. 5 IN A 10.0.0.1
|
|
svcempty.testns.svc.cluster.local. 5 IN SRV 0 100 80 svcempty.testns.svc.cluster.local.
|
|
_http._tcp.svcempty.testns.svc.cluster.local. 5 IN SRV 0 100 80 svcempty.testns.svc.cluster.local.
|
|
cluster.local. 5 IN SOA ns.dns.cluster.local. hostmaster.cluster.local. 3 7200 1800 86400 5
|
|
`
|
|
|
|
const expectedMultiClusterZone = `
|
|
clusterset.local. 5 IN SOA ns.dns.clusterset.local. hostmaster.clusterset.local. 3 7200 1800 86400 5
|
|
clusterset.local. 5 IN NS ns.dns.clusterset.local.
|
|
ns.dns.clusterset.local. 5 IN A 10.0.0.10
|
|
hdls1.testns.svc.clusterset.local. 5 IN A 172.0.0.2
|
|
172-0-0-2.hdls1.testns.svc.clusterset.local. 5 IN A 172.0.0.2
|
|
_http._tcp.hdls1.testns.svc.clusterset.local. 5 IN SRV 0 16 80 172-0-0-2.hdls1.testns.svc.clusterset.local.
|
|
hdls1.testns.svc.clusterset.local. 5 IN A 172.0.0.3
|
|
172-0-0-3.hdls1.testns.svc.clusterset.local. 5 IN A 172.0.0.3
|
|
_http._tcp.hdls1.testns.svc.clusterset.local. 5 IN SRV 0 16 80 172-0-0-3.hdls1.testns.svc.clusterset.local.
|
|
hdls1.testns.svc.clusterset.local. 5 IN A 172.0.0.4
|
|
dup-name.hdls1.testns.svc.clusterset.local. 5 IN A 172.0.0.4
|
|
_http._tcp.hdls1.testns.svc.clusterset.local. 5 IN SRV 0 16 80 dup-name.hdls1.testns.svc.clusterset.local.
|
|
hdls1.testns.svc.clusterset.local. 5 IN A 172.0.0.5
|
|
dup-name.hdls1.testns.svc.clusterset.local. 5 IN A 172.0.0.5
|
|
_http._tcp.hdls1.testns.svc.clusterset.local. 5 IN SRV 0 16 80 dup-name.hdls1.testns.svc.clusterset.local.
|
|
hdls1.testns.svc.clusterset.local. 5 IN AAAA 5678:abcd::1
|
|
5678-abcd--1.hdls1.testns.svc.clusterset.local. 5 IN AAAA 5678:abcd::1
|
|
_http._tcp.hdls1.testns.svc.clusterset.local. 5 IN SRV 0 16 80 5678-abcd--1.hdls1.testns.svc.clusterset.local.
|
|
hdls1.testns.svc.clusterset.local. 5 IN AAAA 5678:abcd::2
|
|
5678-abcd--2.hdls1.testns.svc.clusterset.local. 5 IN AAAA 5678:abcd::2
|
|
_http._tcp.hdls1.testns.svc.clusterset.local. 5 IN SRV 0 16 80 5678-abcd--2.hdls1.testns.svc.clusterset.local.
|
|
hdlsprtls.testns.svc.clusterset.local. 5 IN A 172.0.0.20
|
|
172-0-0-20.hdlsprtls.testns.svc.clusterset.local. 5 IN A 172.0.0.20
|
|
kubedns.kube-system.svc.clusterset.local. 5 IN A 10.0.0.10
|
|
kubedns.kube-system.svc.clusterset.local. 5 IN SRV 0 100 53 kubedns.kube-system.svc.clusterset.local.
|
|
_dns._udp.kubedns.kube-system.svc.clusterset.local. 5 IN SRV 0 100 53 kubedns.kube-system.svc.clusterset.local.
|
|
svc-dual-stack.testns.svc.clusterset.local. 5 IN A 10.0.0.3
|
|
svc-dual-stack.testns.svc.clusterset.local. 5 IN AAAA 10::3
|
|
svc-dual-stack.testns.svc.clusterset.local. 5 IN SRV 0 100 80 svc-dual-stack.testns.svc.clusterset.local.
|
|
_http._tcp.svc-dual-stack.testns.svc.clusterset.local. 5 IN SRV 0 100 80 svc-dual-stack.testns.svc.clusterset.local.
|
|
svc1.testns.svc.clusterset.local. 5 IN A 10.0.0.1
|
|
svc1.testns.svc.clusterset.local. 5 IN SRV 0 100 80 svc1.testns.svc.clusterset.local.
|
|
_http._tcp.svc1.testns.svc.clusterset.local. 5 IN SRV 0 100 80 svc1.testns.svc.clusterset.local.
|
|
svc6.testns.svc.clusterset.local. 5 IN AAAA 1234:abcd::1
|
|
svc6.testns.svc.clusterset.local. 5 IN SRV 0 100 80 svc6.testns.svc.clusterset.local.
|
|
_http._tcp.svc6.testns.svc.clusterset.local. 5 IN SRV 0 100 80 svc6.testns.svc.clusterset.local.
|
|
svcempty.testns.svc.clusterset.local. 5 IN A 10.0.0.1
|
|
svcempty.testns.svc.clusterset.local. 5 IN SRV 0 100 80 svcempty.testns.svc.clusterset.local.
|
|
_http._tcp.svcempty.testns.svc.clusterset.local. 5 IN SRV 0 100 80 svcempty.testns.svc.clusterset.local.
|
|
clusterset.local. 5 IN SOA ns.dns.clusterset.local. hostmaster.clusterset.local. 3 7200 1800 86400 5
|
|
`
|