github/kubernetes
1
0
Fork 0
mirror of https://github.com/k3s-io/kubernetes.git synced 2026-01-04 23:17:50 +00:00
Code Issues Projects Releases Wiki Activity

Let the service controller retry when presistUpdate returns a conflict error.

Browse Source
This commit is contained in:
yankaiz
2018-08-30 12:19:19 -07:00
parent ef741c3038
commit 267252d9e1
3 changed files with 45 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
pkg/controller/service/service_controller_test.go
View File

@@ -17,15 +17,20 @@ limitations under the License.
package service
import (
"errors"
"fmt"
"reflect"
"strings"
"testing"
"k8s.io/api/core/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/informers"
"k8s.io/client-go/kubernetes/fake"
core "k8s.io/client-go/testing"
"k8s.io/client-go/tools/record"
"k8s.io/kubernetes/pkg/api/testapi"
fakecloud "k8s.io/kubernetes/pkg/cloudprovider/providers/fake"
@@ -323,7 +328,6 @@ func TestGetNodeConditionPredicate(t *testing.T) {
// TODO(a-robinson): Add tests for update/sync/delete.
func TestProcessServiceUpdate(t *testing.T) {
var controller *ServiceController
//A pair of old and new loadbalancer IP address
@@ -411,6 +415,38 @@ func TestProcessServiceUpdate(t *testing.T) {
}
// TestConflictWhenProcessServiceUpdate tests if processServiceUpdate will
// retry creating the load balancer if the update operation returns a conflict
// error.
func TestConflictWhenProcessServiceUpdate(t *testing.T) {
svcName := "conflict-lb"
svc := newService(svcName, types.UID("123"), v1.ServiceTypeLoadBalancer)
controller, _, client := newController()
client.PrependReactor("update", "services", func(action core.Action) (bool, runtime.Object, error) {
update := action.(core.UpdateAction)
return true, update.GetObject(), apierrors.NewConflict(action.GetResource().GroupResource(), svcName, errors.New("Object changed"))
})
svcCache := controller.cache.getOrCreate(svcName)
if err := controller.processServiceUpdate(svcCache, svc, svcName); err == nil {
t.Fatalf("controller.processServiceUpdate() = nil, want error")
}
retryMsg := "Error creating load balancer (will retry)"
if gotEvent := func() bool {
events := controller.eventRecorder.(*record.FakeRecorder).Events
for len(events) > 0 {
e := <-events
if strings.Contains(e, retryMsg) {
return true
}
}
return false
}(); !gotEvent {
t.Errorf("controller.processServiceUpdate() = can't find retry creating lb event, want event contains %q", retryMsg)
}
}
func TestSyncService(t *testing.T) {
var controller *ServiceController