karmada/pkg/scheduler/scheduler_test.go

2086 lines
68 KiB
Go

/*
Copyright 2022 The Karmada Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package scheduler
import (
"context"
"errors"
"fmt"
"reflect"
"strings"
"testing"
"time"
"github.com/stretchr/testify/assert"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/runtime"
dynamicfake "k8s.io/client-go/dynamic/fake"
"k8s.io/client-go/kubernetes/fake"
"k8s.io/client-go/kubernetes/scheme"
clienttesting "k8s.io/client-go/testing"
"k8s.io/client-go/tools/record"
policyv1alpha1 "github.com/karmada-io/karmada/pkg/apis/policy/v1alpha1"
workv1alpha2 "github.com/karmada-io/karmada/pkg/apis/work/v1alpha2"
"github.com/karmada-io/karmada/pkg/features"
karmadafake "github.com/karmada-io/karmada/pkg/generated/clientset/versioned/fake"
workv1alpha2lister "github.com/karmada-io/karmada/pkg/generated/listers/work/v1alpha2"
"github.com/karmada-io/karmada/pkg/scheduler/core"
internalqueue "github.com/karmada-io/karmada/pkg/scheduler/internal/queue"
"github.com/karmada-io/karmada/pkg/sharedcli/ratelimiterflag"
"github.com/karmada-io/karmada/pkg/util"
"github.com/karmada-io/karmada/pkg/util/grpcconnection"
)
func TestDoSchedule(t *testing.T) {
tests := []struct {
name string
key string
binding interface{}
expectError bool
}{
{
name: "invalid key format",
key: "invalid/key/format",
binding: nil,
expectError: true,
},
{
name: "ResourceBinding scheduling",
key: "default/test-binding",
binding: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{
Name: "test-binding",
Namespace: "default",
},
Spec: workv1alpha2.ResourceBindingSpec{
Placement: &policyv1alpha1.Placement{
ClusterAffinity: &policyv1alpha1.ClusterAffinity{
ClusterNames: []string{"cluster1"},
},
},
},
},
expectError: false,
},
{
name: "ClusterResourceBinding scheduling",
key: "test-cluster-binding",
binding: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{
Name: "test-cluster-binding",
},
Spec: workv1alpha2.ResourceBindingSpec{
Placement: &policyv1alpha1.Placement{
ClusterAffinity: &policyv1alpha1.ClusterAffinity{
ClusterNames: []string{"cluster1"},
},
},
},
},
expectError: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
fakeClient := karmadafake.NewSimpleClientset()
fakeRecorder := record.NewFakeRecorder(10)
var bindingLister *fakeBindingLister
var clusterBindingLister *fakeClusterBindingLister
if rb, ok := tt.binding.(*workv1alpha2.ResourceBinding); ok {
bindingLister = &fakeBindingLister{binding: rb}
_, err := fakeClient.WorkV1alpha2().ResourceBindings(rb.Namespace).Create(context.TODO(), rb, metav1.CreateOptions{})
assert.NoError(t, err)
}
if crb, ok := tt.binding.(*workv1alpha2.ClusterResourceBinding); ok {
clusterBindingLister = &fakeClusterBindingLister{binding: crb}
_, err := fakeClient.WorkV1alpha2().ClusterResourceBindings().Create(context.TODO(), crb, metav1.CreateOptions{})
assert.NoError(t, err)
}
mockAlgo := &mockAlgorithm{
scheduleFunc: func(_ context.Context, _ *workv1alpha2.ResourceBindingSpec, _ *workv1alpha2.ResourceBindingStatus, _ *core.ScheduleAlgorithmOption) (core.ScheduleResult, error) {
return core.ScheduleResult{
SuggestedClusters: []workv1alpha2.TargetCluster{
{Name: "cluster1", Replicas: 1},
},
}, nil
},
}
s := &Scheduler{
KarmadaClient: fakeClient,
eventRecorder: fakeRecorder,
bindingLister: bindingLister,
clusterBindingLister: clusterBindingLister,
Algorithm: mockAlgo,
}
err := s.doSchedule(tt.key)
if tt.expectError {
assert.Error(t, err)
} else {
assert.NoError(t, err)
}
if !tt.expectError {
if rb, ok := tt.binding.(*workv1alpha2.ResourceBinding); ok {
updated, err := fakeClient.WorkV1alpha2().ResourceBindings(rb.Namespace).Get(context.TODO(), rb.Name, metav1.GetOptions{})
assert.NoError(t, err)
assert.NotNil(t, updated.Spec.Clusters)
assert.Len(t, updated.Spec.Clusters, 1)
assert.Equal(t, "cluster1", updated.Spec.Clusters[0].Name)
}
if crb, ok := tt.binding.(*workv1alpha2.ClusterResourceBinding); ok {
updated, err := fakeClient.WorkV1alpha2().ClusterResourceBindings().Get(context.TODO(), crb.Name, metav1.GetOptions{})
assert.NoError(t, err)
assert.NotNil(t, updated.Spec.Clusters)
assert.Len(t, updated.Spec.Clusters, 1)
assert.Equal(t, "cluster1", updated.Spec.Clusters[0].Name)
}
}
})
}
}
func TestDoScheduleBinding(t *testing.T) {
tests := []struct {
name string
binding *workv1alpha2.ResourceBinding
expectSchedule bool
expectError bool
expectedClusters []workv1alpha2.TargetCluster
expectedEvent string
}{
{
name: "binding with changed placement",
binding: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{
Name: "test-binding-1",
Namespace: "default",
Annotations: map[string]string{
util.PolicyPlacementAnnotation: `{"clusterAffinity":{"clusterNames":["cluster1"]}}`,
},
},
Spec: workv1alpha2.ResourceBindingSpec{
Placement: &policyv1alpha1.Placement{
ClusterAffinity: &policyv1alpha1.ClusterAffinity{
ClusterNames: []string{"cluster1", "cluster2"},
},
},
},
},
expectSchedule: true,
expectError: false,
expectedClusters: []workv1alpha2.TargetCluster{
{Name: "cluster1", Replicas: 1},
{Name: "cluster2", Replicas: 1},
},
expectedEvent: "Normal ScheduleBindingSucceed",
},
{
name: "binding with replicas changed",
binding: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{
Name: "test-binding-2",
Namespace: "default",
},
Spec: workv1alpha2.ResourceBindingSpec{
Replicas: 2,
Placement: &policyv1alpha1.Placement{
ReplicaScheduling: &policyv1alpha1.ReplicaSchedulingStrategy{
ReplicaSchedulingType: policyv1alpha1.ReplicaSchedulingTypeDivided,
},
},
},
Status: workv1alpha2.ResourceBindingStatus{
SchedulerObservedGeneration: 1,
},
},
expectSchedule: true,
expectError: false,
expectedClusters: []workv1alpha2.TargetCluster{
{Name: "cluster1", Replicas: 1},
{Name: "cluster2", Replicas: 1},
},
expectedEvent: "Normal ScheduleBindingSucceed",
},
{
name: "binding with reschedule triggered",
binding: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{
Name: "test-binding-3",
Namespace: "default",
},
Spec: workv1alpha2.ResourceBindingSpec{
RescheduleTriggeredAt: &metav1.Time{Time: time.Now()},
Placement: &policyv1alpha1.Placement{},
},
},
expectSchedule: true,
expectError: false,
expectedClusters: []workv1alpha2.TargetCluster{
{Name: "cluster1", Replicas: 1},
},
expectedEvent: "Normal ScheduleBindingSucceed",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
fakeClient := karmadafake.NewSimpleClientset(tt.binding)
fakeRecorder := record.NewFakeRecorder(10)
mockAlgorithm := &mockAlgorithm{
scheduleFunc: func(context.Context, *workv1alpha2.ResourceBindingSpec, *workv1alpha2.ResourceBindingStatus, *core.ScheduleAlgorithmOption) (core.ScheduleResult, error) {
return core.ScheduleResult{SuggestedClusters: tt.expectedClusters}, nil
},
}
s := &Scheduler{
KarmadaClient: fakeClient,
bindingLister: &fakeBindingLister{binding: tt.binding},
eventRecorder: fakeRecorder,
Algorithm: mockAlgorithm,
}
err := s.doScheduleBinding(tt.binding.Namespace, tt.binding.Name)
if tt.expectError {
assert.Error(t, err)
} else {
assert.NoError(t, err)
}
updatedBinding, err := fakeClient.WorkV1alpha2().ResourceBindings(tt.binding.Namespace).Get(context.TODO(), tt.binding.Name, metav1.GetOptions{})
assert.NoError(t, err)
if tt.expectSchedule {
assert.Equal(t, tt.expectedClusters, updatedBinding.Spec.Clusters)
assert.NotEqual(t, tt.binding.Spec.Clusters, updatedBinding.Spec.Clusters)
} else {
assert.Equal(t, tt.binding.Spec.Clusters, updatedBinding.Spec.Clusters)
}
// Check for expected events
select {
case event := <-fakeRecorder.Events:
assert.Contains(t, event, tt.expectedEvent)
default:
t.Errorf("Expected an event to be recorded")
}
})
}
}
func TestDoScheduleClusterBinding(t *testing.T) {
tests := []struct {
name string
binding *workv1alpha2.ClusterResourceBinding
expectSchedule bool
expectError bool
expectedClusters []workv1alpha2.TargetCluster
expectedEvent string
}{
{
name: "cluster binding with changed placement",
binding: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{
Name: "test-cluster-binding-1",
Annotations: map[string]string{
util.PolicyPlacementAnnotation: `{"clusterAffinity":{"clusterNames":["cluster1"]}}`,
},
},
Spec: workv1alpha2.ResourceBindingSpec{
Placement: &policyv1alpha1.Placement{
ClusterAffinity: &policyv1alpha1.ClusterAffinity{
ClusterNames: []string{"cluster1", "cluster2"},
},
},
},
},
expectSchedule: true,
expectError: false,
expectedClusters: []workv1alpha2.TargetCluster{
{Name: "cluster1", Replicas: 1},
{Name: "cluster2", Replicas: 1},
},
expectedEvent: "Normal ScheduleBindingSucceed",
},
{
name: "cluster binding with replicas changed",
binding: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{
Name: "test-cluster-binding-2",
},
Spec: workv1alpha2.ResourceBindingSpec{
Replicas: 2,
Placement: &policyv1alpha1.Placement{
ReplicaScheduling: &policyv1alpha1.ReplicaSchedulingStrategy{
ReplicaSchedulingType: policyv1alpha1.ReplicaSchedulingTypeDivided,
},
},
},
Status: workv1alpha2.ResourceBindingStatus{
SchedulerObservedGeneration: 1,
},
},
expectSchedule: true,
expectError: false,
expectedClusters: []workv1alpha2.TargetCluster{
{Name: "cluster1", Replicas: 1},
{Name: "cluster2", Replicas: 1},
},
expectedEvent: "Normal ScheduleBindingSucceed",
},
{
name: "cluster binding with reschedule triggered",
binding: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{
Name: "test-cluster-binding-3",
},
Spec: workv1alpha2.ResourceBindingSpec{
RescheduleTriggeredAt: &metav1.Time{Time: time.Now()},
Placement: &policyv1alpha1.Placement{},
},
},
expectSchedule: true,
expectError: false,
expectedClusters: []workv1alpha2.TargetCluster{
{Name: "cluster1", Replicas: 1},
},
expectedEvent: "Normal ScheduleBindingSucceed",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
fakeClient := karmadafake.NewSimpleClientset(tt.binding)
fakeRecorder := record.NewFakeRecorder(10)
mockAlgorithm := &mockAlgorithm{
scheduleFunc: func(context.Context, *workv1alpha2.ResourceBindingSpec, *workv1alpha2.ResourceBindingStatus, *core.ScheduleAlgorithmOption) (core.ScheduleResult, error) {
return core.ScheduleResult{SuggestedClusters: tt.expectedClusters}, nil
},
}
s := &Scheduler{
KarmadaClient: fakeClient,
clusterBindingLister: &fakeClusterBindingLister{binding: tt.binding},
eventRecorder: fakeRecorder,
Algorithm: mockAlgorithm,
}
err := s.doScheduleClusterBinding(tt.binding.Name)
if tt.expectError {
assert.Error(t, err)
} else {
assert.NoError(t, err)
}
updatedBinding, err := fakeClient.WorkV1alpha2().ClusterResourceBindings().Get(context.TODO(), tt.binding.Name, metav1.GetOptions{})
assert.NoError(t, err)
if tt.expectSchedule {
assert.Equal(t, tt.expectedClusters, updatedBinding.Spec.Clusters)
assert.NotEqual(t, tt.binding.Spec.Clusters, updatedBinding.Spec.Clusters)
} else {
assert.Equal(t, tt.binding.Spec.Clusters, updatedBinding.Spec.Clusters)
}
// Check for expected events
select {
case event := <-fakeRecorder.Events:
assert.Contains(t, event, tt.expectedEvent)
default:
t.Errorf("Expected an event to be recorded")
}
})
}
}
func TestScheduleResourceBindingWithClusterAffinity(t *testing.T) {
tests := []struct {
name string
binding *workv1alpha2.ResourceBinding
scheduleResult core.ScheduleResult
scheduleError error
expectError bool
expectedPatch string
expectedEvent string
}{
{
name: "successful scheduling",
binding: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{
Name: "test-binding",
Namespace: "default",
},
Spec: workv1alpha2.ResourceBindingSpec{
Placement: &policyv1alpha1.Placement{
ClusterAffinity: &policyv1alpha1.ClusterAffinity{
ClusterNames: []string{"cluster1"},
},
},
},
},
scheduleResult: core.ScheduleResult{
SuggestedClusters: []workv1alpha2.TargetCluster{
{Name: "cluster1", Replicas: 1},
},
},
expectError: false,
expectedPatch: `{"metadata":{"annotations":{"policy.karmada.io/applied-placement":"{\"clusterAffinity\":{\"clusterNames\":[\"cluster1\"]}}"}},"spec":{"clusters":[{"name":"cluster1","replicas":1}]}}`,
expectedEvent: "Normal ScheduleBindingSucceed Binding has been scheduled successfully.",
},
{
name: "scheduling error",
binding: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{
Name: "test-binding-error",
Namespace: "default",
},
Spec: workv1alpha2.ResourceBindingSpec{
Placement: &policyv1alpha1.Placement{
ClusterAffinity: &policyv1alpha1.ClusterAffinity{
ClusterNames: []string{"cluster1"},
},
},
},
},
scheduleResult: core.ScheduleResult{},
scheduleError: errors.New("scheduling error"),
expectError: true,
expectedEvent: "Warning ScheduleBindingFailed scheduling error",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
fakeClient := karmadafake.NewSimpleClientset(tt.binding)
fakeRecorder := record.NewFakeRecorder(10)
mockAlgorithm := &mockAlgorithm{
scheduleFunc: func(context.Context, *workv1alpha2.ResourceBindingSpec, *workv1alpha2.ResourceBindingStatus, *core.ScheduleAlgorithmOption) (core.ScheduleResult, error) {
return tt.scheduleResult, tt.scheduleError
},
}
s := &Scheduler{
KarmadaClient: fakeClient,
eventRecorder: fakeRecorder,
Algorithm: mockAlgorithm,
}
err := s.scheduleResourceBindingWithClusterAffinity(tt.binding)
if (err != nil) != tt.expectError {
t.Errorf("scheduleResourceBindingWithClusterAffinity() error = %v, expectError %v", err, tt.expectError)
}
actions := fakeClient.Actions()
patchActions := filterPatchActions(actions)
if tt.expectError {
assert.Empty(t, patchActions, "Expected no patch actions for error case")
} else {
assert.Len(t, patchActions, 1, "Expected one patch action")
if len(patchActions) > 0 {
actualPatch := string(patchActions[0].GetPatch())
assert.JSONEq(t, tt.expectedPatch, actualPatch, "Patch does not match expected")
}
}
// Check if an event was recorded
select {
case event := <-fakeRecorder.Events:
assert.Contains(t, event, tt.expectedEvent, "Event does not match expected")
default:
t.Errorf("Expected an event to be recorded")
}
})
}
}
func TestScheduleResourceBindingWithClusterAffinities(t *testing.T) {
tests := []struct {
name string
binding *workv1alpha2.ResourceBinding
scheduleResults []core.ScheduleResult
scheduleErrors []error
expectError bool
expectedPatches []string
expectedEvent string
}{
{
name: "successful scheduling with first affinity",
binding: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{
Name: "test-binding",
Namespace: "default",
},
Spec: workv1alpha2.ResourceBindingSpec{
Placement: &policyv1alpha1.Placement{
ClusterAffinities: []policyv1alpha1.ClusterAffinityTerm{
{
AffinityName: "affinity1",
ClusterAffinity: policyv1alpha1.ClusterAffinity{
ClusterNames: []string{"cluster1"},
},
},
{
AffinityName: "affinity2",
ClusterAffinity: policyv1alpha1.ClusterAffinity{
ClusterNames: []string{"cluster2"},
},
},
},
},
},
},
scheduleResults: []core.ScheduleResult{
{
SuggestedClusters: []workv1alpha2.TargetCluster{
{Name: "cluster1", Replicas: 1},
},
},
},
scheduleErrors: []error{nil},
expectError: false,
expectedPatches: []string{
`{"metadata":{"annotations":{"policy.karmada.io/applied-placement":"{\"clusterAffinities\":[{\"affinityName\":\"affinity1\",\"clusterNames\":[\"cluster1\"]},{\"affinityName\":\"affinity2\",\"clusterNames\":[\"cluster2\"]}]}"}},"spec":{"clusters":[{"name":"cluster1","replicas":1}]}}`,
`{"status":{"schedulerObservingAffinityName":"affinity1"}}`,
},
expectedEvent: "Normal ScheduleBindingSucceed Binding has been scheduled successfully.",
},
{
name: "successful scheduling with second affinity",
binding: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{
Name: "test-binding-2",
Namespace: "default",
},
Spec: workv1alpha2.ResourceBindingSpec{
Placement: &policyv1alpha1.Placement{
ClusterAffinities: []policyv1alpha1.ClusterAffinityTerm{
{
AffinityName: "affinity1",
ClusterAffinity: policyv1alpha1.ClusterAffinity{
ClusterNames: []string{"cluster1"},
},
},
{
AffinityName: "affinity2",
ClusterAffinity: policyv1alpha1.ClusterAffinity{
ClusterNames: []string{"cluster2"},
},
},
},
},
},
},
scheduleResults: []core.ScheduleResult{
{},
{
SuggestedClusters: []workv1alpha2.TargetCluster{
{Name: "cluster2", Replicas: 1},
},
},
},
scheduleErrors: []error{errors.New("first affinity failed"), nil},
expectError: false,
expectedPatches: []string{
`{"metadata":{"annotations":{"policy.karmada.io/applied-placement":"{\"clusterAffinities\":[{\"affinityName\":\"affinity1\",\"clusterNames\":[\"cluster1\"]},{\"affinityName\":\"affinity2\",\"clusterNames\":[\"cluster2\"]}]}"}},"spec":{"clusters":[{"name":"cluster2","replicas":1}]}}`,
`{"status":{"schedulerObservingAffinityName":"affinity2"}}`,
},
expectedEvent: "Warning ScheduleBindingFailed failed to schedule ResourceBinding(default/test-binding-2) with clusterAffiliates index(0): first affinity failed",
},
{
name: "all affinities fail",
binding: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{
Name: "test-binding-fail",
Namespace: "default",
},
Spec: workv1alpha2.ResourceBindingSpec{
Placement: &policyv1alpha1.Placement{
ClusterAffinities: []policyv1alpha1.ClusterAffinityTerm{
{
AffinityName: "affinity1",
ClusterAffinity: policyv1alpha1.ClusterAffinity{
ClusterNames: []string{"cluster1"},
},
},
{
AffinityName: "affinity2",
ClusterAffinity: policyv1alpha1.ClusterAffinity{
ClusterNames: []string{"cluster2"},
},
},
},
},
},
},
scheduleResults: []core.ScheduleResult{{}, {}},
scheduleErrors: []error{errors.New("first affinity failed"), errors.New("second affinity failed")},
expectError: true,
expectedPatches: []string{},
expectedEvent: "Warning ScheduleBindingFailed failed to schedule ResourceBinding",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
fakeClient := karmadafake.NewSimpleClientset(tt.binding)
fakeRecorder := record.NewFakeRecorder(10)
mockAlgorithm := &mockAlgorithm{
scheduleFunc: func(_ context.Context, spec *workv1alpha2.ResourceBindingSpec, status *workv1alpha2.ResourceBindingStatus, _ *core.ScheduleAlgorithmOption) (core.ScheduleResult, error) {
index := getAffinityIndex(spec.Placement.ClusterAffinities, status.SchedulerObservedAffinityName)
if index < len(tt.scheduleResults) {
return tt.scheduleResults[index], tt.scheduleErrors[index]
}
return core.ScheduleResult{}, errors.New("unexpected call to Schedule")
},
}
s := &Scheduler{
KarmadaClient: fakeClient,
eventRecorder: fakeRecorder,
Algorithm: mockAlgorithm,
}
err := s.scheduleResourceBindingWithClusterAffinities(tt.binding)
if (err != nil) != tt.expectError {
t.Errorf("scheduleResourceBindingWithClusterAffinities() error = %v, expectError %v", err, tt.expectError)
}
actions := fakeClient.Actions()
patchActions := filterPatchActions(actions)
if tt.expectError {
assert.Empty(t, patchActions, "Expected no patch actions for error case")
} else {
assert.Len(t, patchActions, len(tt.expectedPatches), "Expected %d patch actions", len(tt.expectedPatches))
for i, expectedPatch := range tt.expectedPatches {
actualPatch := string(patchActions[i].GetPatch())
assert.JSONEq(t, expectedPatch, actualPatch, "Patch %d does not match expected", i+1)
}
}
// Check if an event was recorded
select {
case event := <-fakeRecorder.Events:
if strings.Contains(event, "ScheduleBindingFailed") {
assert.Contains(t, event, tt.expectedEvent, "Event does not match expected")
} else {
assert.Contains(t, event, "ScheduleBindingSucceed", "Expected ScheduleBindingSucceed event")
}
default:
t.Errorf("Expected an event to be recorded")
}
})
}
}
func TestPatchScheduleResultForResourceBinding(t *testing.T) {
tests := []struct {
name string
oldBinding *workv1alpha2.ResourceBinding
placement string
scheduleResult []workv1alpha2.TargetCluster
expectError bool
expectedBinding *workv1alpha2.ResourceBinding
}{
{
name: "successful patch",
oldBinding: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{
Name: "test-binding",
Namespace: "default",
},
},
placement: "test-placement",
scheduleResult: []workv1alpha2.TargetCluster{
{Name: "cluster1", Replicas: 1},
},
expectError: false,
expectedBinding: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{
Name: "test-binding",
Namespace: "default",
Annotations: map[string]string{
util.PolicyPlacementAnnotation: "test-placement",
},
},
Spec: workv1alpha2.ResourceBindingSpec{
Clusters: []workv1alpha2.TargetCluster{
{Name: "cluster1", Replicas: 1},
},
},
},
},
{
name: "no changes",
oldBinding: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{
Name: "test-binding",
Namespace: "default",
Annotations: map[string]string{
util.PolicyPlacementAnnotation: "test-placement",
},
},
Spec: workv1alpha2.ResourceBindingSpec{
Clusters: []workv1alpha2.TargetCluster{
{Name: "cluster1", Replicas: 1},
},
},
},
placement: "test-placement",
scheduleResult: []workv1alpha2.TargetCluster{
{Name: "cluster1", Replicas: 1},
},
expectError: false,
expectedBinding: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{
Name: "test-binding",
Namespace: "default",
Annotations: map[string]string{
util.PolicyPlacementAnnotation: "test-placement",
},
},
Spec: workv1alpha2.ResourceBindingSpec{
Clusters: []workv1alpha2.TargetCluster{
{Name: "cluster1", Replicas: 1},
},
},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
s := &Scheduler{
KarmadaClient: karmadafake.NewSimpleClientset(tt.oldBinding),
}
err := s.patchScheduleResultForResourceBinding(tt.oldBinding, tt.placement, tt.scheduleResult)
if tt.expectError {
assert.Error(t, err)
} else {
assert.NoError(t, err)
updatedBinding, err := s.KarmadaClient.WorkV1alpha2().ResourceBindings(tt.oldBinding.Namespace).Get(context.TODO(), tt.oldBinding.Name, metav1.GetOptions{})
assert.NoError(t, err)
assert.Equal(t, tt.expectedBinding.Annotations, updatedBinding.Annotations)
assert.Equal(t, tt.expectedBinding.Spec.Clusters, updatedBinding.Spec.Clusters)
}
})
}
}
func TestScheduleClusterResourceBindingWithClusterAffinity(t *testing.T) {
tests := []struct {
name string
binding *workv1alpha2.ClusterResourceBinding
scheduleResult core.ScheduleResult
scheduleError error
expectError bool
}{
{
name: "successful scheduling",
binding: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{
Name: "test-cluster-binding",
},
Spec: workv1alpha2.ResourceBindingSpec{
Placement: &policyv1alpha1.Placement{
ClusterAffinity: &policyv1alpha1.ClusterAffinity{
ClusterNames: []string{"cluster1", "cluster2"},
},
},
},
},
scheduleResult: core.ScheduleResult{
SuggestedClusters: []workv1alpha2.TargetCluster{
{Name: "cluster1", Replicas: 1},
{Name: "cluster2", Replicas: 1},
},
},
scheduleError: nil,
expectError: false,
},
{
name: "scheduling error",
binding: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{
Name: "test-cluster-binding-error",
},
Spec: workv1alpha2.ResourceBindingSpec{
Placement: &policyv1alpha1.Placement{
ClusterAffinity: &policyv1alpha1.ClusterAffinity{
ClusterNames: []string{"cluster1"},
},
},
},
},
scheduleResult: core.ScheduleResult{},
scheduleError: errors.New("scheduling error"),
expectError: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
fakeClient := karmadafake.NewSimpleClientset(tt.binding)
fakeRecorder := record.NewFakeRecorder(10)
mockAlgorithm := &mockAlgorithm{
scheduleFunc: func(_ context.Context, _ *workv1alpha2.ResourceBindingSpec, _ *workv1alpha2.ResourceBindingStatus, _ *core.ScheduleAlgorithmOption) (core.ScheduleResult, error) {
return tt.scheduleResult, tt.scheduleError
},
}
s := &Scheduler{
KarmadaClient: fakeClient,
eventRecorder: fakeRecorder,
Algorithm: mockAlgorithm,
}
err := s.scheduleClusterResourceBindingWithClusterAffinity(tt.binding)
if (err != nil) != tt.expectError {
t.Errorf("scheduleClusterResourceBindingWithClusterAffinity() error = %v, expectError %v", err, tt.expectError)
}
// Check if a patch was applied
actions := fakeClient.Actions()
patchActions := filterPatchActions(actions)
if tt.expectError {
assert.Empty(t, patchActions, "Expected no patch actions for error case")
} else {
assert.NotEmpty(t, patchActions, "Expected patch actions for success case")
}
// Check if an event was recorded
select {
case event := <-fakeRecorder.Events:
if tt.expectError {
assert.Contains(t, event, "ScheduleBindingFailed", "Expected ScheduleBindingFailed event")
} else {
assert.Contains(t, event, "ScheduleBindingSucceed", "Expected ScheduleBindingSucceed event")
}
default:
t.Errorf("Expected an event to be recorded")
}
})
}
}
func TestScheduleClusterResourceBindingWithClusterAffinities(t *testing.T) {
tests := []struct {
name string
binding *workv1alpha2.ClusterResourceBinding
scheduleResults []core.ScheduleResult
scheduleErrors []error
expectError bool
}{
{
name: "successful scheduling with first affinity",
binding: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{
Name: "test-cluster-binding",
},
Spec: workv1alpha2.ResourceBindingSpec{
Placement: &policyv1alpha1.Placement{
ClusterAffinities: []policyv1alpha1.ClusterAffinityTerm{
{
AffinityName: "affinity1",
ClusterAffinity: policyv1alpha1.ClusterAffinity{
ClusterNames: []string{"cluster1"},
},
},
{
AffinityName: "affinity2",
ClusterAffinity: policyv1alpha1.ClusterAffinity{
ClusterNames: []string{"cluster2"},
},
},
},
},
},
},
scheduleResults: []core.ScheduleResult{
{
SuggestedClusters: []workv1alpha2.TargetCluster{
{Name: "cluster1", Replicas: 1},
},
},
},
scheduleErrors: []error{nil},
expectError: false,
},
{
name: "successful scheduling with second affinity",
binding: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{
Name: "test-cluster-binding-2",
},
Spec: workv1alpha2.ResourceBindingSpec{
Placement: &policyv1alpha1.Placement{
ClusterAffinities: []policyv1alpha1.ClusterAffinityTerm{
{
AffinityName: "affinity1",
ClusterAffinity: policyv1alpha1.ClusterAffinity{
ClusterNames: []string{"cluster1"},
},
},
{
AffinityName: "affinity2",
ClusterAffinity: policyv1alpha1.ClusterAffinity{
ClusterNames: []string{"cluster2"},
},
},
},
},
},
},
scheduleResults: []core.ScheduleResult{
{},
{
SuggestedClusters: []workv1alpha2.TargetCluster{
{Name: "cluster2", Replicas: 1},
},
},
},
scheduleErrors: []error{errors.New("first affinity failed"), nil},
expectError: false,
},
{
name: "all affinities fail",
binding: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{
Name: "test-cluster-binding-fail",
},
Spec: workv1alpha2.ResourceBindingSpec{
Placement: &policyv1alpha1.Placement{
ClusterAffinities: []policyv1alpha1.ClusterAffinityTerm{
{
AffinityName: "affinity1",
ClusterAffinity: policyv1alpha1.ClusterAffinity{
ClusterNames: []string{"cluster1"},
},
},
{
AffinityName: "affinity2",
ClusterAffinity: policyv1alpha1.ClusterAffinity{
ClusterNames: []string{"cluster2"},
},
},
},
},
},
},
scheduleResults: []core.ScheduleResult{{}, {}},
scheduleErrors: []error{errors.New("first affinity failed"), errors.New("second affinity failed")},
expectError: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
fakeClient := karmadafake.NewSimpleClientset(tt.binding)
fakeRecorder := record.NewFakeRecorder(10)
mockAlgorithm := &mockAlgorithm{
scheduleFunc: func(_ context.Context, spec *workv1alpha2.ResourceBindingSpec, status *workv1alpha2.ResourceBindingStatus, _ *core.ScheduleAlgorithmOption) (core.ScheduleResult, error) {
index := getAffinityIndex(spec.Placement.ClusterAffinities, status.SchedulerObservedAffinityName)
if index < len(tt.scheduleResults) {
return tt.scheduleResults[index], tt.scheduleErrors[index]
}
return core.ScheduleResult{}, errors.New("unexpected call to Schedule")
},
}
s := &Scheduler{
KarmadaClient: fakeClient,
eventRecorder: fakeRecorder,
Algorithm: mockAlgorithm,
}
err := s.scheduleClusterResourceBindingWithClusterAffinities(tt.binding)
if (err != nil) != tt.expectError {
t.Errorf("scheduleClusterResourceBindingWithClusterAffinities() error = %v, expectError %v", err, tt.expectError)
}
})
}
}
func TestWorkerAndScheduleNext(t *testing.T) {
testScheme := setupScheme()
resourceBinding := &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{
Name: "test-binding",
Namespace: "default",
},
Spec: workv1alpha2.ResourceBindingSpec{
Placement: &policyv1alpha1.Placement{
ClusterAffinity: &policyv1alpha1.ClusterAffinity{
ClusterNames: []string{"cluster1"},
},
},
},
}
clusterResourceBinding := &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{
Name: "test-cluster-binding",
},
Spec: workv1alpha2.ResourceBindingSpec{
Placement: &policyv1alpha1.Placement{
ClusterAffinity: &policyv1alpha1.ClusterAffinity{
ClusterNames: []string{"cluster1"},
},
},
},
}
fakeClient := karmadafake.NewSimpleClientset(resourceBinding, clusterResourceBinding)
testCases := []struct {
name string
key string
priority int32
shutdown bool
expectResult bool
}{
{
name: "Schedule ResourceBinding",
key: "default/test-binding",
priority: 10,
shutdown: false,
expectResult: true,
},
{
name: "Schedule ClusterResourceBinding",
key: "test-cluster-binding",
priority: 5,
shutdown: false,
expectResult: true,
},
}
// enable "PriorityBasedScheduling" feature gate.
_ = features.FeatureGate.Set("PriorityBasedScheduling=true")
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
queue := internalqueue.NewSchedulingQueue()
bindingLister := &fakeBindingLister{binding: resourceBinding}
clusterBindingLister := &fakeClusterBindingLister{binding: clusterResourceBinding}
mockAlgo := &mockAlgorithm{
scheduleFunc: func(_ context.Context, _ *workv1alpha2.ResourceBindingSpec, _ *workv1alpha2.ResourceBindingStatus, _ *core.ScheduleAlgorithmOption) (core.ScheduleResult, error) {
return core.ScheduleResult{
SuggestedClusters: []workv1alpha2.TargetCluster{
{Name: "cluster1", Replicas: 1},
},
}, nil
},
}
eventBroadcaster := record.NewBroadcaster()
eventRecorder := eventBroadcaster.NewRecorder(testScheme, corev1.EventSource{Component: "test-scheduler"})
s := &Scheduler{
KarmadaClient: fakeClient,
priorityQueue: queue,
bindingLister: bindingLister,
clusterBindingLister: clusterBindingLister,
Algorithm: mockAlgo,
eventRecorder: eventRecorder,
}
s.priorityQueue.Push(&internalqueue.QueuedBindingInfo{
NamespacedKey: tc.key,
Priority: tc.priority,
})
if tc.shutdown {
s.priorityQueue.Close()
}
result := s.scheduleNext()
assert.Equal(t, tc.expectResult, result, "scheduleNext return value mismatch")
if !tc.shutdown {
assert.Equal(t, 0, s.priorityQueue.Len(), "Queue should be empty after processing")
}
})
}
}
func TestPlacementChanged(t *testing.T) {
tests := []struct {
name string
placement *policyv1alpha1.Placement
appliedPlacementStr string
observedAffinityName string
want bool
}{
{
name: "placement changed",
placement: &policyv1alpha1.Placement{
ClusterAffinity: &policyv1alpha1.ClusterAffinity{
ClusterNames: []string{"cluster1", "cluster2"},
},
},
appliedPlacementStr: `{"clusterAffinity":{"clusterNames":["cluster1"]}}`,
observedAffinityName: "",
want: true,
},
{
name: "placement not changed",
placement: &policyv1alpha1.Placement{
ClusterAffinity: &policyv1alpha1.ClusterAffinity{
ClusterNames: []string{"cluster1", "cluster2"},
},
},
appliedPlacementStr: `{"clusterAffinity":{"clusterNames":["cluster1","cluster2"]}}`,
observedAffinityName: "",
want: false,
},
{
name: "invalid applied placement string",
placement: &policyv1alpha1.Placement{
ClusterAffinity: &policyv1alpha1.ClusterAffinity{
ClusterNames: []string{"cluster1", "cluster2"},
},
},
appliedPlacementStr: `invalid json`,
observedAffinityName: "",
want: false,
},
{
name: "empty placement",
placement: &policyv1alpha1.Placement{},
appliedPlacementStr: `{}`,
observedAffinityName: "",
want: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
rb := &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{
Namespace: "test-namespace",
Name: "test-name",
},
Spec: workv1alpha2.ResourceBindingSpec{
Placement: tt.placement,
},
Status: workv1alpha2.ResourceBindingStatus{
SchedulerObservedAffinityName: tt.observedAffinityName,
},
}
got := placementChanged(*rb.Spec.Placement, tt.appliedPlacementStr, rb.Status.SchedulerObservedAffinityName)
assert.Equal(t, tt.want, got, "placementChanged() result mismatch")
})
}
}
func TestCreateScheduler(t *testing.T) {
dynamicClient := dynamicfake.NewSimpleDynamicClient(runtime.NewScheme())
karmadaClient := karmadafake.NewSimpleClientset()
kubeClient := fake.NewSimpleClientset()
port := 10025
serviceNamespace := "tenant1"
servicePrefix := "test-service-prefix"
schedulerName := "test-scheduler"
timeout := metav1.Duration{Duration: 5 * time.Second}
mockPlugins := []string{"plugin1", "plugin2"}
mockRateLimiterOptions := ratelimiterflag.Options{}
testcases := []struct {
name string
opts []Option
enableSchedulerEstimator bool
schedulerEstimatorPort int
disableSchedulerEstimatorInPullMode bool
schedulerEstimatorTimeout metav1.Duration
schedulerEstimatorServiceNamespace string
schedulerEstimatorServicePrefix string
schedulerName string
schedulerEstimatorClientConfig *grpcconnection.ClientConfig
enableEmptyWorkloadPropagation bool
plugins []string
rateLimiterOptions ratelimiterflag.Options
enablePriorityBasedScheduling bool
}{
{
name: "scheduler with default configuration",
opts: nil,
enableSchedulerEstimator: false,
},
{
name: "scheduler with enableSchedulerEstimator enabled",
opts: []Option{
WithEnableSchedulerEstimator(true),
WithSchedulerEstimatorConnection(port, "", "", "", false),
},
enableSchedulerEstimator: true,
schedulerEstimatorPort: port,
},
{
name: "scheduler with enableSchedulerEstimator disabled, WithSchedulerEstimatorConnection enabled",
opts: []Option{
WithEnableSchedulerEstimator(false),
WithSchedulerEstimatorConnection(port, "", "", "", false),
},
enableSchedulerEstimator: false,
},
{
name: "scheduler with disableSchedulerEstimatorInPullMode enabled",
opts: []Option{
WithEnableSchedulerEstimator(true),
WithSchedulerEstimatorConnection(port, "", "", "", false),
WithDisableSchedulerEstimatorInPullMode(true),
},
enableSchedulerEstimator: true,
schedulerEstimatorPort: port,
disableSchedulerEstimatorInPullMode: true,
},
{
name: "scheduler with SchedulerEstimatorServicePrefix enabled",
opts: []Option{
WithEnableSchedulerEstimator(true),
WithSchedulerEstimatorConnection(port, "", "", "", false),
WithSchedulerEstimatorServicePrefix(servicePrefix),
},
enableSchedulerEstimator: true,
schedulerEstimatorPort: port,
schedulerEstimatorServicePrefix: servicePrefix,
},
{
name: "scheduler with custom SchedulerEstimatorServiceNamespace set",
opts: []Option{
WithEnableSchedulerEstimator(true),
WithSchedulerEstimatorConnection(port, "", "", "", false),
WithSchedulerEstimatorServiceNamespace(serviceNamespace),
},
enableSchedulerEstimator: true,
schedulerEstimatorPort: port,
schedulerEstimatorServiceNamespace: serviceNamespace,
},
{
name: "scheduler with SchedulerName enabled",
opts: []Option{
WithSchedulerName(schedulerName),
},
schedulerName: schedulerName,
},
{
name: "scheduler with EnableEmptyWorkloadPropagation enabled",
opts: []Option{
WithEnableEmptyWorkloadPropagation(true),
},
enableEmptyWorkloadPropagation: true,
},
{
name: "scheduler with SchedulerEstimatorTimeout enabled",
opts: []Option{
WithEnableSchedulerEstimator(true),
WithSchedulerEstimatorConnection(port, "", "", "", false),
WithSchedulerEstimatorTimeout(timeout),
},
enableSchedulerEstimator: true,
schedulerEstimatorPort: port,
schedulerEstimatorTimeout: timeout,
},
{
name: "scheduler with EnableSchedulerPlugin",
opts: []Option{
WithEnableSchedulerPlugin(mockPlugins),
},
plugins: mockPlugins,
},
{
name: "scheduler with PriorityBasedScheduling enabled",
opts: []Option{
WithRateLimiterOptions(mockRateLimiterOptions),
},
enablePriorityBasedScheduling: true,
},
}
for _, tc := range testcases {
t.Run(tc.name, func(t *testing.T) {
sche, err := NewScheduler(dynamicClient, karmadaClient, kubeClient, tc.opts...)
if err != nil {
t.Errorf("create scheduler error: %s", err)
}
if tc.enableSchedulerEstimator != sche.enableSchedulerEstimator {
t.Errorf("unexpected enableSchedulerEstimator want %v, got %v", tc.enableSchedulerEstimator, sche.enableSchedulerEstimator)
}
if tc.enableSchedulerEstimator && tc.schedulerEstimatorPort != sche.schedulerEstimatorClientConfig.TargetPort {
t.Errorf("unexpected schedulerEstimatorPort want %v, got %v", tc.schedulerEstimatorPort, sche.schedulerEstimatorClientConfig.TargetPort)
}
if tc.disableSchedulerEstimatorInPullMode != sche.disableSchedulerEstimatorInPullMode {
t.Errorf("unexpected disableSchedulerEstimatorInPullMode want %v, got %v", tc.disableSchedulerEstimatorInPullMode, sche.disableSchedulerEstimatorInPullMode)
}
if tc.schedulerEstimatorServiceNamespace != sche.schedulerEstimatorServiceNamespace {
t.Errorf("unexpected schedulerEstimatorServiceNamespace want %v, got %v", tc.schedulerEstimatorServiceNamespace, sche.schedulerEstimatorServiceNamespace)
}
if tc.schedulerEstimatorServicePrefix != sche.schedulerEstimatorServicePrefix {
t.Errorf("unexpected schedulerEstimatorServicePrefix want %v, got %v", tc.schedulerEstimatorServicePrefix, sche.schedulerEstimatorServicePrefix)
}
if tc.schedulerName != sche.schedulerName {
t.Errorf("unexpected schedulerName want %v, got %v", tc.schedulerName, sche.schedulerName)
}
if tc.enableEmptyWorkloadPropagation != sche.enableEmptyWorkloadPropagation {
t.Errorf("unexpected enableEmptyWorkloadPropagation want %v, got %v", tc.enableEmptyWorkloadPropagation, sche.enableEmptyWorkloadPropagation)
}
if len(tc.plugins) > 0 && sche.Algorithm == nil {
t.Errorf("expected Algorithm to be set when plugins are provided")
}
if tc.enablePriorityBasedScheduling && sche.priorityQueue == nil {
t.Errorf("expected priorityQueue to be set when feature gate %q is enabled", features.PriorityBasedScheduling)
}
})
}
}
func TestPatchBindingStatusCondition(t *testing.T) {
oneHourBefore := time.Now().Add(-1 * time.Hour).Round(time.Second)
oneHourAfter := time.Now().Add(1 * time.Hour).Round(time.Second)
successCondition := util.NewCondition(workv1alpha2.Scheduled, workv1alpha2.BindingReasonSuccess, successfulSchedulingMessage, metav1.ConditionTrue)
failureCondition := util.NewCondition(workv1alpha2.Scheduled, workv1alpha2.BindingReasonSchedulerError, "schedule error", metav1.ConditionFalse)
noClusterFitCondition := util.NewCondition(workv1alpha2.Scheduled, workv1alpha2.BindingReasonNoClusterFit, "0/0 clusters are available", metav1.ConditionFalse)
unschedulableCondition := util.NewCondition(workv1alpha2.Scheduled, workv1alpha2.BindingReasonUnschedulable, "insufficient resources in the clusters", metav1.ConditionFalse)
successCondition.LastTransitionTime = metav1.Time{Time: oneHourBefore}
failureCondition.LastTransitionTime = metav1.Time{Time: oneHourAfter}
noClusterFitCondition.LastTransitionTime = metav1.Time{Time: oneHourAfter}
unschedulableCondition.LastTransitionTime = metav1.Time{Time: oneHourAfter}
karmadaClient := karmadafake.NewSimpleClientset()
tests := []struct {
name string
binding *workv1alpha2.ResourceBinding
newScheduledCondition metav1.Condition
expected *workv1alpha2.ResourceBinding
}{
{
name: "add success condition",
binding: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-1", Namespace: "default", Generation: 1},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{},
},
newScheduledCondition: successCondition,
expected: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-1", Namespace: "default", Generation: 1},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{Conditions: []metav1.Condition{successCondition}, SchedulerObservedGeneration: 1},
},
},
{
name: "add failure condition",
binding: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-2", Namespace: "default"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{},
},
newScheduledCondition: failureCondition,
expected: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-2", Namespace: "default"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{Conditions: []metav1.Condition{failureCondition}},
},
},
{
name: "add no cluster available condition",
binding: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-3", Namespace: "default"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{},
},
newScheduledCondition: noClusterFitCondition,
expected: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-3", Namespace: "default"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{Conditions: []metav1.Condition{noClusterFitCondition}},
},
},
{
name: "add unschedulable condition",
binding: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-4", Namespace: "default"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{},
},
newScheduledCondition: unschedulableCondition,
expected: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-4", Namespace: "default"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{Conditions: []metav1.Condition{unschedulableCondition}},
},
},
{
name: "replace to success condition",
binding: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-5", Namespace: "default", Generation: 1},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{Conditions: []metav1.Condition{failureCondition}, SchedulerObservedGeneration: 2},
},
newScheduledCondition: successCondition,
expected: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-5", Namespace: "default"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{Conditions: []metav1.Condition{successCondition}, SchedulerObservedGeneration: 1},
},
},
{
name: "replace failure condition",
binding: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-6", Namespace: "default"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{Conditions: []metav1.Condition{successCondition}},
},
newScheduledCondition: failureCondition,
expected: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-6", Namespace: "default"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{Conditions: []metav1.Condition{failureCondition}},
},
},
{
name: "replace to unschedulable condition",
binding: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-7", Namespace: "default"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{Conditions: []metav1.Condition{failureCondition}},
},
newScheduledCondition: unschedulableCondition,
expected: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-7", Namespace: "default"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{Conditions: []metav1.Condition{unschedulableCondition}},
},
},
{
name: "replace to no cluster fit condition",
binding: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-8", Namespace: "default"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{Conditions: []metav1.Condition{failureCondition}},
},
newScheduledCondition: noClusterFitCondition,
expected: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-8", Namespace: "default"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{Conditions: []metav1.Condition{noClusterFitCondition}},
},
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
_, err := karmadaClient.WorkV1alpha2().ResourceBindings(test.binding.Namespace).Create(context.TODO(), test.binding, metav1.CreateOptions{})
if err != nil {
t.Fatal(err)
}
err = patchBindingStatusCondition(karmadaClient, test.binding, test.newScheduledCondition)
if err != nil {
t.Error(err)
}
res, err := karmadaClient.WorkV1alpha2().ResourceBindings(test.binding.Namespace).Get(context.TODO(), test.binding.Name, metav1.GetOptions{})
if err != nil {
t.Fatal(err)
}
res.Status.LastScheduledTime = nil
if !reflect.DeepEqual(res.Status, test.expected.Status) {
t.Errorf("expected status: %v, but got: %v", test.expected.Status, res.Status)
}
})
}
}
func TestPatchBindingStatusWithAffinityName(t *testing.T) {
karmadaClient := karmadafake.NewSimpleClientset()
tests := []struct {
name string
binding *workv1alpha2.ResourceBinding
affinityName string
expected *workv1alpha2.ResourceBinding
}{
{
name: "add affinityName in status",
binding: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-1", Namespace: "default", Generation: 1},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{},
},
affinityName: "group1",
expected: &workv1alpha2.ResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-1", Namespace: "default", Generation: 1},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{SchedulerObservedAffinityName: "group1"},
},
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
_, err := karmadaClient.WorkV1alpha2().ResourceBindings(test.binding.Namespace).Create(context.TODO(), test.binding, metav1.CreateOptions{})
if err != nil {
t.Fatal(err)
}
err = patchBindingStatusWithAffinityName(karmadaClient, test.binding, test.affinityName)
if err != nil {
t.Error(err)
}
res, err := karmadaClient.WorkV1alpha2().ResourceBindings(test.binding.Namespace).Get(context.TODO(), test.binding.Name, metav1.GetOptions{})
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(res.Status, test.expected.Status) {
t.Errorf("expected status: %v, but got: %v", test.expected.Status, res.Status)
}
})
}
}
func TestPatchClusterBindingStatusCondition(t *testing.T) {
oneHourBefore := time.Now().Add(-1 * time.Hour).Round(time.Second)
oneHourAfter := time.Now().Add(1 * time.Hour).Round(time.Second)
successCondition := util.NewCondition(workv1alpha2.Scheduled, workv1alpha2.BindingReasonSuccess, successfulSchedulingMessage, metav1.ConditionTrue)
failureCondition := util.NewCondition(workv1alpha2.Scheduled, workv1alpha2.BindingReasonSchedulerError, "schedule error", metav1.ConditionFalse)
noClusterFitCondition := util.NewCondition(workv1alpha2.Scheduled, workv1alpha2.BindingReasonNoClusterFit, "0/0 clusters are available", metav1.ConditionFalse)
unschedulableCondition := util.NewCondition(workv1alpha2.Scheduled, workv1alpha2.BindingReasonUnschedulable, "insufficient resources in the clusters", metav1.ConditionFalse)
successCondition.LastTransitionTime = metav1.Time{Time: oneHourBefore}
failureCondition.LastTransitionTime = metav1.Time{Time: oneHourAfter}
noClusterFitCondition.LastTransitionTime = metav1.Time{Time: oneHourAfter}
unschedulableCondition.LastTransitionTime = metav1.Time{Time: oneHourAfter}
karmadaClient := karmadafake.NewSimpleClientset()
tests := []struct {
name string
binding *workv1alpha2.ClusterResourceBinding
newScheduledCondition metav1.Condition
expected *workv1alpha2.ClusterResourceBinding
}{
{
name: "add success condition",
binding: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-1", Generation: 1},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{},
},
newScheduledCondition: successCondition,
expected: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-1"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{Conditions: []metav1.Condition{successCondition}, SchedulerObservedGeneration: 1},
},
},
{
name: "add failure condition",
binding: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-2"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{},
},
newScheduledCondition: failureCondition,
expected: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-2"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{Conditions: []metav1.Condition{failureCondition}},
},
},
{
name: "add unschedulable condition",
binding: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-3"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{},
},
newScheduledCondition: unschedulableCondition,
expected: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-3"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{Conditions: []metav1.Condition{unschedulableCondition}},
},
},
{
name: "add no cluster fit condition",
binding: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-4"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{},
},
newScheduledCondition: noClusterFitCondition,
expected: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-4"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{Conditions: []metav1.Condition{noClusterFitCondition}},
},
},
{
name: "replace to success condition",
binding: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-5", Generation: 1},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{Conditions: []metav1.Condition{failureCondition}, SchedulerObservedGeneration: 2},
},
newScheduledCondition: successCondition,
expected: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-5"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{Conditions: []metav1.Condition{successCondition}, SchedulerObservedGeneration: 1},
},
},
{
name: "replace failure condition",
binding: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-6"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{Conditions: []metav1.Condition{successCondition}},
},
newScheduledCondition: failureCondition,
expected: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-6"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{Conditions: []metav1.Condition{failureCondition}},
},
},
{
name: "replace to unschedulable condition",
binding: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-7"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{Conditions: []metav1.Condition{failureCondition}},
},
newScheduledCondition: unschedulableCondition,
expected: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-7"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{Conditions: []metav1.Condition{unschedulableCondition}},
},
},
{
name: "replace to no cluster fit condition",
binding: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-8"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{Conditions: []metav1.Condition{failureCondition}},
},
newScheduledCondition: noClusterFitCondition,
expected: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "rb-8"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{Conditions: []metav1.Condition{noClusterFitCondition}},
},
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
_, err := karmadaClient.WorkV1alpha2().ClusterResourceBindings().Create(context.TODO(), test.binding, metav1.CreateOptions{})
if err != nil {
t.Fatal(err)
}
err = patchClusterBindingStatusCondition(karmadaClient, test.binding, test.newScheduledCondition)
if err != nil {
t.Error(err)
}
res, err := karmadaClient.WorkV1alpha2().ClusterResourceBindings().Get(context.TODO(), test.binding.Name, metav1.GetOptions{})
if err != nil {
t.Fatal(err)
}
res.Status.LastScheduledTime = nil
if !reflect.DeepEqual(res.Status, test.expected.Status) {
t.Errorf("expected status: %v, but got: %v", test.expected.Status, res.Status)
}
})
}
}
func TestPatchClusterBindingStatusWithAffinityName(t *testing.T) {
karmadaClient := karmadafake.NewSimpleClientset()
tests := []struct {
name string
binding *workv1alpha2.ClusterResourceBinding
affinityName string
expected *workv1alpha2.ClusterResourceBinding
}{
{
name: "add affinityName in status",
binding: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "crb-1", Generation: 1},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{
Conditions: []metav1.Condition{util.NewCondition(workv1alpha2.Scheduled, workv1alpha2.BindingReasonSuccess, successfulSchedulingMessage, metav1.ConditionTrue)},
SchedulerObservedGeneration: 1,
},
},
affinityName: "group1",
expected: &workv1alpha2.ClusterResourceBinding{
ObjectMeta: metav1.ObjectMeta{Name: "crb-1"},
Spec: workv1alpha2.ResourceBindingSpec{},
Status: workv1alpha2.ResourceBindingStatus{
SchedulerObservedAffinityName: "group1",
Conditions: []metav1.Condition{util.NewCondition(workv1alpha2.Scheduled, workv1alpha2.BindingReasonSuccess, successfulSchedulingMessage, metav1.ConditionTrue)},
SchedulerObservedGeneration: 1,
},
},
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
_, err := karmadaClient.WorkV1alpha2().ClusterResourceBindings().Create(context.TODO(), test.binding, metav1.CreateOptions{})
if err != nil {
t.Fatal(err)
}
err = patchClusterBindingStatusWithAffinityName(karmadaClient, test.binding, test.affinityName)
if err != nil {
t.Error(err)
}
res, err := karmadaClient.WorkV1alpha2().ClusterResourceBindings().Get(context.TODO(), test.binding.Name, metav1.GetOptions{})
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(res.Status, test.expected.Status) {
t.Errorf("expected status: %v, but got: %v", test.expected.Status, res.Status)
}
})
}
}
func TestRecordScheduleResultEventForResourceBinding(t *testing.T) {
fakeRecorder := record.NewFakeRecorder(10)
scheduler := &Scheduler{eventRecorder: fakeRecorder}
tests := []struct {
name string
rb *workv1alpha2.ResourceBinding
scheduleResult []workv1alpha2.TargetCluster
schedulerErr error
expectedEvents int
expectedMsg string
}{
{
name: "nil ResourceBinding",
rb: nil,
scheduleResult: nil,
schedulerErr: nil,
expectedEvents: 0,
expectedMsg: "",
},
{
name: "successful scheduling",
rb: &workv1alpha2.ResourceBinding{
Spec: workv1alpha2.ResourceBindingSpec{
Resource: workv1alpha2.ObjectReference{
Kind: "Deployment",
APIVersion: "apps/v1",
Namespace: "default",
Name: "test-deployment",
UID: "12345",
},
},
},
scheduleResult: []workv1alpha2.TargetCluster{
{Name: "cluster1", Replicas: 1},
{Name: "cluster2", Replicas: 2},
},
schedulerErr: nil,
expectedEvents: 2,
expectedMsg: fmt.Sprintf("%s Result: {%s}", successfulSchedulingMessage, targetClustersToString([]workv1alpha2.TargetCluster{
{Name: "cluster1", Replicas: 1},
{Name: "cluster2", Replicas: 2},
}))},
{
name: "scheduling error",
rb: &workv1alpha2.ResourceBinding{
Spec: workv1alpha2.ResourceBindingSpec{
Resource: workv1alpha2.ObjectReference{
Kind: "Deployment",
APIVersion: "apps/v1",
Namespace: "default",
Name: "test-deployment",
UID: "12345",
},
},
},
scheduleResult: nil,
schedulerErr: fmt.Errorf("scheduling error"),
expectedEvents: 2,
expectedMsg: "scheduling error",
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
fakeRecorder.Events = make(chan string, 10)
scheduler.recordScheduleResultEventForResourceBinding(test.rb, test.scheduleResult, test.schedulerErr)
if len(fakeRecorder.Events) != test.expectedEvents {
t.Errorf("expected %d events, got %d", test.expectedEvents, len(fakeRecorder.Events))
}
for i := 0; i < test.expectedEvents; i++ {
select {
case event := <-fakeRecorder.Events:
if !contains(event, test.expectedMsg) {
t.Errorf("expected event message to contain %q, got %q", test.expectedMsg, event)
}
default:
t.Error("expected event not found")
}
}
})
}
}
func contains(event, msg string) bool {
return len(event) >= len(msg) && event[len(event)-len(msg):] == msg
}
func TestRecordScheduleResultEventForClusterResourceBinding(t *testing.T) {
fakeRecorder := record.NewFakeRecorder(10)
scheduler := &Scheduler{eventRecorder: fakeRecorder}
tests := []struct {
name string
crb *workv1alpha2.ClusterResourceBinding
scheduleResult []workv1alpha2.TargetCluster
schedulerErr error
expectedEvents int
expectedMsg string
}{
{
name: "nil ClusterResourceBinding",
crb: nil,
scheduleResult: nil,
schedulerErr: nil,
expectedEvents: 0,
expectedMsg: "",
},
{
name: "successful scheduling",
crb: &workv1alpha2.ClusterResourceBinding{
Spec: workv1alpha2.ResourceBindingSpec{
Resource: workv1alpha2.ObjectReference{
Kind: "Deployment",
APIVersion: "apps/v1",
Namespace: "default",
Name: "test-deployment",
UID: "12345",
},
},
},
scheduleResult: []workv1alpha2.TargetCluster{
{Name: "cluster1", Replicas: 1},
{Name: "cluster2", Replicas: 2},
},
schedulerErr: nil,
expectedEvents: 2,
expectedMsg: fmt.Sprintf("%s Result {%s}", successfulSchedulingMessage, targetClustersToString([]workv1alpha2.TargetCluster{
{Name: "cluster1", Replicas: 1},
{Name: "cluster2", Replicas: 2},
})),
},
{
name: "scheduling error",
crb: &workv1alpha2.ClusterResourceBinding{
Spec: workv1alpha2.ResourceBindingSpec{
Resource: workv1alpha2.ObjectReference{
Kind: "Deployment",
APIVersion: "apps/v1",
Namespace: "default",
Name: "test-deployment",
UID: "12345",
},
},
},
scheduleResult: nil,
schedulerErr: fmt.Errorf("scheduling error"),
expectedEvents: 2,
expectedMsg: "scheduling error",
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
fakeRecorder.Events = make(chan string, 10)
scheduler.recordScheduleResultEventForClusterResourceBinding(test.crb, test.scheduleResult, test.schedulerErr)
if len(fakeRecorder.Events) != test.expectedEvents {
t.Errorf("expected %d events, got %d", test.expectedEvents, len(fakeRecorder.Events))
}
for i := 0; i < test.expectedEvents; i++ {
select {
case event := <-fakeRecorder.Events:
if !contains(event, test.expectedMsg) {
t.Errorf("expected event message to contain %q, got %q", test.expectedMsg, event)
}
default:
t.Error("expected event not found")
}
}
})
}
}
func TestTargetClustersToString(t *testing.T) {
tests := []struct {
name string
tcs []workv1alpha2.TargetCluster
expectedOutput string
}{
{
name: "empty slice",
tcs: []workv1alpha2.TargetCluster{},
expectedOutput: "",
},
{
name: "single cluster",
tcs: []workv1alpha2.TargetCluster{
{Name: "cluster1", Replicas: 1},
},
expectedOutput: "cluster1:1",
},
{
name: "multiple clusters",
tcs: []workv1alpha2.TargetCluster{
{Name: "cluster1", Replicas: 1},
{Name: "cluster2", Replicas: 2},
},
expectedOutput: "cluster1:1, cluster2:2",
},
{
name: "clusters with zero replicas",
tcs: []workv1alpha2.TargetCluster{
{Name: "cluster1", Replicas: 0},
{Name: "cluster2", Replicas: 2},
},
expectedOutput: "cluster1:0, cluster2:2",
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
result := targetClustersToString(test.tcs)
if result != test.expectedOutput {
t.Errorf("expected %q, got %q", test.expectedOutput, result)
}
})
}
}
// Helper Functions
// Helper function to setup scheme for testing
func setupScheme() *runtime.Scheme {
s := runtime.NewScheme()
_ = scheme.AddToScheme(s)
_ = workv1alpha2.Install(s)
_ = policyv1alpha1.Install(s)
return s
}
// Helper function to filter patch actions
func filterPatchActions(actions []clienttesting.Action) []clienttesting.PatchAction {
var patchActions []clienttesting.PatchAction
for _, action := range actions {
if patch, ok := action.(clienttesting.PatchAction); ok {
patchActions = append(patchActions, patch)
}
}
return patchActions
}
// Mock Implementations
type mockAlgorithm struct {
scheduleFunc func(context.Context, *workv1alpha2.ResourceBindingSpec, *workv1alpha2.ResourceBindingStatus, *core.ScheduleAlgorithmOption) (core.ScheduleResult, error)
}
func (m *mockAlgorithm) Schedule(ctx context.Context, spec *workv1alpha2.ResourceBindingSpec, status *workv1alpha2.ResourceBindingStatus, option *core.ScheduleAlgorithmOption) (core.ScheduleResult, error) {
return m.scheduleFunc(ctx, spec, status, option)
}
type fakeBindingLister struct {
binding *workv1alpha2.ResourceBinding
}
func (f *fakeBindingLister) List(_ labels.Selector) (ret []*workv1alpha2.ResourceBinding, err error) {
return []*workv1alpha2.ResourceBinding{f.binding}, nil
}
func (f *fakeBindingLister) ResourceBindings(_ string) workv1alpha2lister.ResourceBindingNamespaceLister {
return &fakeBindingNamespaceLister{binding: f.binding}
}
type fakeBindingNamespaceLister struct {
binding *workv1alpha2.ResourceBinding
}
func (f *fakeBindingNamespaceLister) List(_ labels.Selector) (ret []*workv1alpha2.ResourceBinding, err error) {
return []*workv1alpha2.ResourceBinding{f.binding}, nil
}
func (f *fakeBindingNamespaceLister) Get(_ string) (*workv1alpha2.ResourceBinding, error) {
return f.binding, nil
}
type fakeClusterBindingLister struct {
binding *workv1alpha2.ClusterResourceBinding
}
func (f *fakeClusterBindingLister) List(_ labels.Selector) (ret []*workv1alpha2.ClusterResourceBinding, err error) {
return []*workv1alpha2.ClusterResourceBinding{f.binding}, nil
}
func (f *fakeClusterBindingLister) Get(_ string) (*workv1alpha2.ClusterResourceBinding, error) {
return f.binding, nil
}