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plugin/k8s_external: implement zone transfers (#4977)

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Implement transfer for k8s_external. Notifies not supported.

Signed-off-by: Chris O'Haver <cohaver@infoblox.com>
This commit is contained in:
Chris O'Haver 2022-03-07 12:16:24 -05:00 • committed by GitHub
parent 267ce8a820
commit 7263808fe1
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GPG key ID: 4AEE18F83AFDEB23
17 changed files with 493 additions and 30 deletions
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41
plugin/k8s_external/external_test.go
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@ -23,7 +23,8 @@ func TestExternal(t *testing.T) {
e.Zones = []string{"example.com."}
e.Next = test.NextHandler(dns.RcodeSuccess, nil)
e.externalFunc = k.External
e.externalAddrFunc = externalAddress // internal test function
e.externalAddrFunc = externalAddress // internal test function
e.externalSerialFunc = externalSerial // internal test function
ctx := context.TODO()
for i, tc := range tests {
@ -147,12 +148,38 @@ var tests = []test.Case{
test.SOA("example.com. 5 IN SOA ns1.dns.example.com. hostmaster.example.com. 1499347823 7200 1800 86400 5"),
},
},
// svc11
{
Qname: "svc11.testns.example.com.", Qtype: dns.TypeA, Rcode: dns.RcodeSuccess,
Answer: []dns.RR{
test.A("svc11.testns.example.com. 5 IN A 1.2.3.4"),
},
},
{
Qname: "_http._tcp.svc11.testns.example.com.", Qtype: dns.TypeSRV, Rcode: dns.RcodeSuccess,
Answer: []dns.RR{
test.SRV("_http._tcp.svc11.testns.example.com. 5 IN SRV 0 100 80 svc11.testns.example.com."),
},
Extra: []dns.RR{
test.A("svc11.testns.example.com. 5 IN A 1.2.3.4"),
},
},
{
Qname: "svc11.testns.example.com.", Qtype: dns.TypeSRV, Rcode: dns.RcodeSuccess,
Answer: []dns.RR{
test.SRV("svc11.testns.example.com. 5 IN SRV 0 100 80 svc11.testns.example.com."),
},
Extra: []dns.RR{
test.A("svc11.testns.example.com. 5 IN A 1.2.3.4"),
},
},
// svc12
{
Qname: "svc12.testns.example.com.", Qtype: dns.TypeA, Rcode: dns.RcodeSuccess,
Answer: []dns.RR{
test.CNAME("svc12.testns.example.com. 5 IN CNAME dummy.hostname"),
},
},
{
Qname: "_http._tcp.svc12.testns.example.com.", Qtype: dns.TypeSRV, Rcode: dns.RcodeSuccess,
Answer: []dns.RR{
@ -160,9 +187,9 @@ var tests = []test.Case{
},
},
{
Qname: "svc12.testns.example.com.", Qtype: dns.TypeA, Rcode: dns.RcodeSuccess,
Qname: "svc12.testns.example.com.", Qtype: dns.TypeSRV, Rcode: dns.RcodeSuccess,
Answer: []dns.RR{
test.CNAME("svc12.testns.example.com. 5 IN CNAME dummy.hostname"),
test.SRV("svc12.testns.example.com. 5 IN SRV 0 100 80 dummy.hostname."),
},
},
}
@ -173,8 +200,8 @@ func (external) HasSynced() bool
func (external) Run() {}
func (external) Stop() error { return nil }
func (external) EpIndexReverse(string) []*object.Endpoints { return nil }
func (external) SvcIndexReverse(string) []*object.Service { return nil }
func (external) Modified() int64 { return 0 }
func (external) SvcIndexReverse(string) []*object.Service { return nil }
func (external) Modified(bool) int64 { return 0 }
func (external) EpIndex(s string) []*object.Endpoints { return nil }
func (external) EndpointsList() []*object.Endpoints { return nil }
func (external) GetNodeByName(ctx context.Context, name string) (*api.Node, error) { return nil, nil }
@ -240,3 +267,7 @@ func externalAddress(state request.Request) []dns.RR {
a := test.A("example.org. IN A 127.0.0.1")
return []dns.RR{a}
}
func externalSerial(string) uint32 {
return 1499347823
}