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plugin/federation: handle missing avail-zone/region labels better (#2092)

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* handle missing avail-zone/region labels better

* oops forgot a file
This commit is contained in:
Chris O'Haver
2018-09-12 02:07:24 -04:00
committed by Miek Gieben
parent b42eae7a04
commit 0bf8b81cb7
3 changed files with 49 additions and 5 deletions
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38
plugin/federation/federation_test.go
View File

@@ -54,7 +54,7 @@ func TestFederationKubernetes(t *testing.T) {
}
k := kubernetes.New([]string{"cluster.local."})
k.APIConn = &APIConnFederationTest{}
k.APIConn = &APIConnFederationTest{zone: "fd-az", region: "fd-r"}
fed := New()
fed.zones = []string{"cluster.local."}
@@ -79,3 +79,39 @@ func TestFederationKubernetes(t *testing.T) {
test.SortAndCheck(t, resp, tc)
}
}
func TestFederationKubernetesMissingLabels(t *testing.T) {
tests := []test.Case{
{
// service does not exist, do the federation dance.
Qname: "svc0.testns.prod.svc.cluster.local.", Qtype: dns.TypeA,
Rcode: dns.RcodeSuccess,
Answer: []dns.RR{
test.CNAME("svc0.testns.prod.svc.cluster.local. 303 IN CNAME svc0.testns.prod.svc.fd-az.fd-r.federal.example."),
},
},
}
k := kubernetes.New([]string{"cluster.local."})
k.APIConn = &APIConnFederationTest{zone: "", region: ""}
fed := New()
fed.zones = []string{"cluster.local."}
fed.Federations = k.Federations
fed.Next = k
fed.f = map[string]string{
"prod": "federal.example.",
}
ctx := context.TODO()
for _, tc := range tests {
m := tc.Msg()
rec := dnstest.NewRecorder(&test.ResponseWriter{})
_, err := fed.ServeDNS(ctx, rec, m)
if err == nil {
t.Errorf("Expected an error")
return
}
}
}

10
plugin/federation/kubernetes_api_test.go
View File

@@ -8,7 +8,9 @@ import (
meta "k8s.io/apimachinery/pkg/apis/meta/v1"
)
type APIConnFederationTest struct{}
type APIConnFederationTest struct {
zone, region string
}
func (APIConnFederationTest) HasSynced() bool { return true }
func (APIConnFederationTest) Run() { return }
@@ -176,13 +178,13 @@ func (APIConnFederationTest) EndpointsList() []*api.Endpoints {
return eps
}
func (APIConnFederationTest) GetNodeByName(name string) (*api.Node, error) {
func (a APIConnFederationTest) GetNodeByName(name string) (*api.Node, error) {
return &api.Node{
ObjectMeta: meta.ObjectMeta{
Name: "test.node.foo.bar",
Labels: map[string]string{
kubernetes.LabelRegion: "fd-r",
kubernetes.LabelZone: "fd-az",
kubernetes.LabelRegion: a.region,
kubernetes.LabelZone: a.zone,
},
},
}, nil