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plugin/kubernetes: Add support for dual stack ClusterIP Services (#4339)

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* support dual stack clusterIPs

Signed-off-by: Chris O'Haver <cohaver@infoblox.com>

* stickler

Signed-off-by: Chris O'Haver <cohaver@infoblox.com>

* fix ClusterIPs make

Signed-off-by: Chris O'Haver <cohaver@infoblox.com>
This commit is contained in:
Chris O'Haver 2020-12-21 05:30:24 -05:00 • committed by GitHub
parent 302434e392
commit 51c05679e6
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GPG key ID: 4AEE18F83AFDEB23
14 changed files with 204 additions and 111 deletions
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21
plugin/kubernetes/informer_test.go
View file

@ -1,6 +1,7 @@
package kubernetes
import (
"fmt"
"testing"
"github.com/coredns/coredns/plugin/kubernetes/object"
@ -21,11 +22,19 @@ func TestDefaultProcessor(t *testing.T) {
func testProcessor(t *testing.T, processor cache.ProcessFunc, idx cache.Indexer) {
obj := &api.Service{
ObjectMeta: metav1.ObjectMeta{Name: "service1", Namespace: "test1"},
Spec: api.ServiceSpec{ClusterIP: "1.2.3.4", Ports: []api.ServicePort{{Port: 80}}},
Spec: api.ServiceSpec{
ClusterIP: "1.2.3.4",
ClusterIPs: []string{"1.2.3.4"},
Ports: []api.ServicePort{{Port: 80}},
},
}
obj2 := &api.Service{
ObjectMeta: metav1.ObjectMeta{Name: "service2", Namespace: "test1"},
Spec: api.ServiceSpec{ClusterIP: "5.6.7.8", Ports: []api.ServicePort{{Port: 80}}},
Spec: api.ServiceSpec{
ClusterIP: "5.6.7.8",
ClusterIPs: []string{"5.6.7.8"},
Ports: []api.ServicePort{{Port: 80}},
},
}
// Add the objects
@ -47,8 +56,8 @@ func testProcessor(t *testing.T, processor cache.ProcessFunc, idx cache.Indexer)
if !ok {
t.Fatal("object in index was incorrect type")
}
if svc.ClusterIP != obj.Spec.ClusterIP {
t.Fatalf("expected %v, got %v", obj.Spec.ClusterIP, svc.ClusterIP)
if fmt.Sprintf("%v", svc.ClusterIPs) != fmt.Sprintf("%v", obj.Spec.ClusterIPs) {
t.Fatalf("expected '%v', got '%v'", obj.Spec.ClusterIPs, svc.ClusterIPs)
}
// Update an object
@ -71,8 +80,8 @@ func testProcessor(t *testing.T, processor cache.ProcessFunc, idx cache.Indexer)
if !ok {
t.Fatal("object in index was incorrect type")
}
if svc.ClusterIP != obj.Spec.ClusterIP {
t.Fatalf("expected %v, got %v", obj.Spec.ClusterIP, svc.ClusterIP)
if fmt.Sprintf("%v", svc.ClusterIPs) != fmt.Sprintf("%v", obj.Spec.ClusterIPs) {
t.Fatalf("expected '%v', got '%v'", obj.Spec.ClusterIPs, svc.ClusterIPs)
}
// Delete an object