add division algorithm test

Signed-off-by: Garrybest <garrybest@foxmail.com>
This commit is contained in:
Garrybest 2021-11-06 22:39:57 +08:00
parent a29f3f7a50
commit d01fccfd3b
3 changed files with 763 additions and 0 deletions

View File

@ -0,0 +1,715 @@
package core
import (
"testing"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
clusterv1alpha1 "github.com/karmada-io/karmada/pkg/apis/cluster/v1alpha1"
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/util"
"github.com/karmada-io/karmada/test/helper"
)
const (
ClusterMember1 = "member1"
ClusterMember2 = "member2"
ClusterMember3 = "member3"
)
func Test_divideReplicasByStaticWeight(t *testing.T) {
type args struct {
clusters []*clusterv1alpha1.Cluster
weightList []policyv1alpha1.StaticClusterWeight
replicas int32
}
tests := []struct {
name string
args args
want []workv1alpha2.TargetCluster
wantErr bool
}{
{
name: "replica 12, weight 3:2:1",
args: args{
clusters: []*clusterv1alpha1.Cluster{
helper.NewCluster(ClusterMember1),
helper.NewCluster(ClusterMember2),
helper.NewCluster(ClusterMember3),
},
weightList: []policyv1alpha1.StaticClusterWeight{
{
TargetCluster: policyv1alpha1.ClusterAffinity{
ClusterNames: []string{ClusterMember1},
},
Weight: 3,
},
{
TargetCluster: policyv1alpha1.ClusterAffinity{
ClusterNames: []string{ClusterMember2},
},
Weight: 2,
},
{
TargetCluster: policyv1alpha1.ClusterAffinity{
ClusterNames: []string{ClusterMember3},
},
Weight: 1,
},
},
replicas: 12,
},
want: []workv1alpha2.TargetCluster{
{
Name: ClusterMember1,
Replicas: 6,
},
{
Name: ClusterMember2,
Replicas: 4,
},
{
Name: ClusterMember3,
Replicas: 2,
},
},
wantErr: false,
},
{
name: "replica 12, default weight",
args: struct {
clusters []*clusterv1alpha1.Cluster
weightList []policyv1alpha1.StaticClusterWeight
replicas int32
}{
clusters: []*clusterv1alpha1.Cluster{
helper.NewCluster(ClusterMember1),
helper.NewCluster(ClusterMember2),
helper.NewCluster(ClusterMember3),
},
replicas: 12,
},
want: []workv1alpha2.TargetCluster{
{
Name: ClusterMember1,
Replicas: 4,
},
{
Name: ClusterMember2,
Replicas: 4,
},
{
Name: ClusterMember3,
Replicas: 4,
},
},
wantErr: false,
},
{
name: "replica 14, weight 3:2:1",
args: struct {
clusters []*clusterv1alpha1.Cluster
weightList []policyv1alpha1.StaticClusterWeight
replicas int32
}{
clusters: []*clusterv1alpha1.Cluster{
helper.NewCluster(ClusterMember1),
helper.NewCluster(ClusterMember2),
helper.NewCluster(ClusterMember3),
},
weightList: []policyv1alpha1.StaticClusterWeight{
{
TargetCluster: policyv1alpha1.ClusterAffinity{
ClusterNames: []string{ClusterMember1},
},
Weight: 3,
},
{
TargetCluster: policyv1alpha1.ClusterAffinity{
ClusterNames: []string{ClusterMember2},
},
Weight: 2,
},
{
TargetCluster: policyv1alpha1.ClusterAffinity{
ClusterNames: []string{ClusterMember3},
},
Weight: 1,
},
},
replicas: 14,
},
want: []workv1alpha2.TargetCluster{
{
Name: ClusterMember1,
Replicas: 8,
},
{
Name: ClusterMember2,
Replicas: 4,
},
{
Name: ClusterMember3,
Replicas: 2,
},
},
wantErr: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := divideReplicasByStaticWeight(tt.args.clusters, tt.args.weightList, tt.args.replicas)
if (err != nil) != tt.wantErr {
t.Errorf("divideReplicasByStaticWeight() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !helper.IsScheduleResultEqual(got, tt.want) {
t.Errorf("divideReplicasByStaticWeight() got = %v, want %v", got, tt.want)
}
})
}
}
func Test_divideReplicasByPreference(t *testing.T) {
type args struct {
clusterAvailableReplicas []workv1alpha2.TargetCluster
replicas int32
clustersMaxReplicas int32
preference policyv1alpha1.ReplicaDivisionPreference
preUsedClustersName []string
}
tests := []struct {
name string
args args
want []workv1alpha2.TargetCluster
wantErr bool
}{
{
name: "replica 12, dynamic weight 18:12:6",
args: args{
clusterAvailableReplicas: TargetClustersList{
workv1alpha2.TargetCluster{Name: ClusterMember1, Replicas: 18},
workv1alpha2.TargetCluster{Name: ClusterMember2, Replicas: 12},
workv1alpha2.TargetCluster{Name: ClusterMember3, Replicas: 6},
},
replicas: 12,
clustersMaxReplicas: 36,
preference: policyv1alpha1.ReplicaDivisionPreferenceWeighted,
preUsedClustersName: nil,
},
want: []workv1alpha2.TargetCluster{
{Name: ClusterMember1, Replicas: 6},
{Name: ClusterMember2, Replicas: 4},
{Name: ClusterMember3, Replicas: 2},
},
wantErr: false,
},
{
name: "replica 12, dynamic weight 20:12:6",
args: args{
clusterAvailableReplicas: TargetClustersList{
workv1alpha2.TargetCluster{Name: ClusterMember1, Replicas: 20},
workv1alpha2.TargetCluster{Name: ClusterMember2, Replicas: 12},
workv1alpha2.TargetCluster{Name: ClusterMember3, Replicas: 6},
},
replicas: 12,
clustersMaxReplicas: 38,
preference: policyv1alpha1.ReplicaDivisionPreferenceWeighted,
preUsedClustersName: nil,
},
want: []workv1alpha2.TargetCluster{
{Name: ClusterMember1, Replicas: 7},
{Name: ClusterMember2, Replicas: 4},
{Name: ClusterMember3, Replicas: 1},
},
wantErr: false,
},
{
name: "replica 12, dynamic weight 6:12:6",
args: args{
clusterAvailableReplicas: TargetClustersList{
workv1alpha2.TargetCluster{Name: ClusterMember1, Replicas: 6},
workv1alpha2.TargetCluster{Name: ClusterMember2, Replicas: 12},
workv1alpha2.TargetCluster{Name: ClusterMember3, Replicas: 6},
},
replicas: 12,
clustersMaxReplicas: 24,
preference: policyv1alpha1.ReplicaDivisionPreferenceWeighted,
preUsedClustersName: nil,
},
want: []workv1alpha2.TargetCluster{
{Name: ClusterMember1, Replicas: 3},
{Name: ClusterMember2, Replicas: 6},
{Name: ClusterMember3, Replicas: 3},
},
wantErr: false,
},
{
name: "replica 12, aggregated 12:6:6",
args: args{
clusterAvailableReplicas: TargetClustersList{
workv1alpha2.TargetCluster{Name: ClusterMember2, Replicas: 12},
workv1alpha2.TargetCluster{Name: ClusterMember1, Replicas: 6},
workv1alpha2.TargetCluster{Name: ClusterMember3, Replicas: 6},
},
replicas: 12,
clustersMaxReplicas: 24,
preference: policyv1alpha1.ReplicaDivisionPreferenceAggregated,
preUsedClustersName: nil,
},
want: []workv1alpha2.TargetCluster{
{Name: ClusterMember1, Replicas: 0},
{Name: ClusterMember2, Replicas: 12},
{Name: ClusterMember3, Replicas: 0},
},
wantErr: false,
},
{
name: "replica 12, aggregated 6:6:6",
args: args{
clusterAvailableReplicas: TargetClustersList{
workv1alpha2.TargetCluster{Name: ClusterMember1, Replicas: 6},
workv1alpha2.TargetCluster{Name: ClusterMember2, Replicas: 6},
workv1alpha2.TargetCluster{Name: ClusterMember3, Replicas: 6},
},
replicas: 12,
clustersMaxReplicas: 18,
preference: policyv1alpha1.ReplicaDivisionPreferenceAggregated,
preUsedClustersName: nil,
},
want: []workv1alpha2.TargetCluster{
{Name: ClusterMember1, Replicas: 6},
{Name: ClusterMember2, Replicas: 6},
{Name: ClusterMember3, Replicas: 0},
},
wantErr: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := divideReplicasByPreference(tt.args.clusterAvailableReplicas, tt.args.replicas, tt.args.preference, tt.args.preUsedClustersName...)
if (err != nil) != tt.wantErr {
t.Errorf("divideReplicasByPreference() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !helper.IsScheduleResultEqual(got, tt.want) {
t.Errorf("divideReplicasByPreference() got = %v, want %v", got, tt.want)
}
})
}
}
func Test_divideReplicasByResource(t *testing.T) {
type args struct {
clusters []*clusterv1alpha1.Cluster
spec *workv1alpha2.ResourceBindingSpec
preference policyv1alpha1.ReplicaDivisionPreference
preUsedClustersName []string
}
tests := []struct {
name string
args args
want []workv1alpha2.TargetCluster
wantErr bool
}{
{
name: "replica 12, dynamic weight 6:8:10",
args: args{
clusters: []*clusterv1alpha1.Cluster{
helper.NewClusterWithResource(ClusterMember1, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(6, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
helper.NewClusterWithResource(ClusterMember2, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(8, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
helper.NewClusterWithResource(ClusterMember3, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(10, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
},
spec: &workv1alpha2.ResourceBindingSpec{
ReplicaRequirements: &workv1alpha2.ReplicaRequirements{
ResourceRequest: util.EmptyResource().ResourceList(),
},
Replicas: 12,
},
preference: policyv1alpha1.ReplicaDivisionPreferenceWeighted,
},
want: []workv1alpha2.TargetCluster{
{Name: ClusterMember1, Replicas: 3},
{Name: ClusterMember2, Replicas: 4},
{Name: ClusterMember3, Replicas: 5},
},
wantErr: false,
},
{
name: "replica 12, dynamic weight 8:8:10",
args: args{
clusters: []*clusterv1alpha1.Cluster{
helper.NewClusterWithResource(ClusterMember1, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(8, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
helper.NewClusterWithResource(ClusterMember2, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(8, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
helper.NewClusterWithResource(ClusterMember3, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(10, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
},
spec: &workv1alpha2.ResourceBindingSpec{
ReplicaRequirements: &workv1alpha2.ReplicaRequirements{
ResourceRequest: util.EmptyResource().ResourceList(),
},
Replicas: 12,
},
preference: policyv1alpha1.ReplicaDivisionPreferenceWeighted,
},
want: []workv1alpha2.TargetCluster{
{Name: ClusterMember1, Replicas: 4},
{Name: ClusterMember2, Replicas: 3},
{Name: ClusterMember3, Replicas: 5},
},
wantErr: false,
},
{
name: "replica 12, dynamic weight 3:3:3",
args: args{
clusters: []*clusterv1alpha1.Cluster{
helper.NewClusterWithResource(ClusterMember1, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(3, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
helper.NewClusterWithResource(ClusterMember2, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(3, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
helper.NewClusterWithResource(ClusterMember3, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(3, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
},
spec: &workv1alpha2.ResourceBindingSpec{
ReplicaRequirements: &workv1alpha2.ReplicaRequirements{
ResourceRequest: util.EmptyResource().ResourceList(),
},
Replicas: 12,
},
preference: policyv1alpha1.ReplicaDivisionPreferenceWeighted,
},
wantErr: true,
},
{
name: "replica 12, aggregated 6:8:10",
args: args{
clusters: []*clusterv1alpha1.Cluster{
helper.NewClusterWithResource(ClusterMember1, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(6, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
helper.NewClusterWithResource(ClusterMember2, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(8, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
helper.NewClusterWithResource(ClusterMember3, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(10, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
},
spec: &workv1alpha2.ResourceBindingSpec{
ReplicaRequirements: &workv1alpha2.ReplicaRequirements{
ResourceRequest: util.EmptyResource().ResourceList(),
},
Replicas: 12,
},
preference: policyv1alpha1.ReplicaDivisionPreferenceAggregated,
},
want: []workv1alpha2.TargetCluster{
{Name: ClusterMember1, Replicas: 0},
{Name: ClusterMember2, Replicas: 5},
{Name: ClusterMember3, Replicas: 7},
},
wantErr: false,
},
{
name: "replica 12, aggregated 12:8:10",
args: args{
clusters: []*clusterv1alpha1.Cluster{
helper.NewClusterWithResource(ClusterMember1, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(12, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
helper.NewClusterWithResource(ClusterMember2, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(8, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
helper.NewClusterWithResource(ClusterMember3, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(10, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
},
spec: &workv1alpha2.ResourceBindingSpec{
ReplicaRequirements: &workv1alpha2.ReplicaRequirements{
ResourceRequest: util.EmptyResource().ResourceList(),
},
Replicas: 12,
},
preference: policyv1alpha1.ReplicaDivisionPreferenceAggregated,
},
want: []workv1alpha2.TargetCluster{
{Name: ClusterMember1, Replicas: 12},
{Name: ClusterMember2, Replicas: 0},
{Name: ClusterMember3, Replicas: 0},
},
wantErr: false,
},
{
name: "replica 12, aggregated 3:3:3",
args: args{
clusters: []*clusterv1alpha1.Cluster{
helper.NewClusterWithResource(ClusterMember1, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(3, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
helper.NewClusterWithResource(ClusterMember2, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(3, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
helper.NewClusterWithResource(ClusterMember3, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(3, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
},
spec: &workv1alpha2.ResourceBindingSpec{
ReplicaRequirements: &workv1alpha2.ReplicaRequirements{
ResourceRequest: util.EmptyResource().ResourceList(),
},
Replicas: 12,
},
preference: policyv1alpha1.ReplicaDivisionPreferenceAggregated,
},
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := divideReplicasByResource(tt.args.clusters, tt.args.spec, tt.args.preference, tt.args.preUsedClustersName...)
if (err != nil) != tt.wantErr {
t.Errorf("divideReplicasByResource() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !helper.IsScheduleResultEqual(got, tt.want) {
t.Errorf("divideReplicasByResource() got = %v, want %v", got, tt.want)
}
})
}
}
func Test_scaleScheduleByReplicaDivisionPreference(t *testing.T) {
type args struct {
spec *workv1alpha2.ResourceBindingSpec
preference policyv1alpha1.ReplicaDivisionPreference
preSelectedClusters []*clusterv1alpha1.Cluster
}
tests := []struct {
name string
args args
want []workv1alpha2.TargetCluster
wantErr bool
}{
{
name: "replica 12 -> 6, dynamic weighted 2:4:6",
args: args{
spec: &workv1alpha2.ResourceBindingSpec{
ReplicaRequirements: &workv1alpha2.ReplicaRequirements{
ResourceRequest: util.EmptyResource().ResourceList(),
},
Replicas: 6,
Clusters: []workv1alpha2.TargetCluster{
{Name: ClusterMember1, Replicas: 2},
{Name: ClusterMember2, Replicas: 4},
{Name: ClusterMember3, Replicas: 6},
},
},
preference: policyv1alpha1.ReplicaDivisionPreferenceWeighted,
preSelectedClusters: []*clusterv1alpha1.Cluster{
helper.NewClusterWithResource(ClusterMember1, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(1, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
helper.NewClusterWithResource(ClusterMember2, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(1, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
helper.NewClusterWithResource(ClusterMember3, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(1, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
},
},
want: []workv1alpha2.TargetCluster{
{Name: ClusterMember1, Replicas: 1},
{Name: ClusterMember2, Replicas: 2},
{Name: ClusterMember3, Replicas: 3},
},
wantErr: false,
},
{
name: "replica 12 -> 24, dynamic weighted 10:10:10",
args: args{
spec: &workv1alpha2.ResourceBindingSpec{
ReplicaRequirements: &workv1alpha2.ReplicaRequirements{
ResourceRequest: util.EmptyResource().ResourceList(),
},
Replicas: 24,
Clusters: []workv1alpha2.TargetCluster{
{Name: ClusterMember1, Replicas: 2},
{Name: ClusterMember2, Replicas: 4},
{Name: ClusterMember3, Replicas: 6},
},
},
preference: policyv1alpha1.ReplicaDivisionPreferenceWeighted,
preSelectedClusters: []*clusterv1alpha1.Cluster{
helper.NewClusterWithResource(ClusterMember1, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(10, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
helper.NewClusterWithResource(ClusterMember2, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(10, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
helper.NewClusterWithResource(ClusterMember3, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(10, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
},
},
want: []workv1alpha2.TargetCluster{
{Name: ClusterMember1, Replicas: 6},
{Name: ClusterMember2, Replicas: 8},
{Name: ClusterMember3, Replicas: 10},
},
wantErr: false,
},
{
name: "replica 12 -> 24, dynamic weighted 1:1:1",
args: args{
spec: &workv1alpha2.ResourceBindingSpec{
ReplicaRequirements: &workv1alpha2.ReplicaRequirements{
ResourceRequest: util.EmptyResource().ResourceList(),
},
Replicas: 24,
Clusters: []workv1alpha2.TargetCluster{
{Name: ClusterMember1, Replicas: 2},
{Name: ClusterMember2, Replicas: 4},
{Name: ClusterMember3, Replicas: 6},
},
},
preference: policyv1alpha1.ReplicaDivisionPreferenceWeighted,
preSelectedClusters: []*clusterv1alpha1.Cluster{
helper.NewClusterWithResource(ClusterMember1, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(1, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
helper.NewClusterWithResource(ClusterMember2, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(1, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
helper.NewClusterWithResource(ClusterMember3, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(1, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
},
},
wantErr: true,
},
{
name: "replica 12 -> 6, aggregated 2:4:6",
args: args{
spec: &workv1alpha2.ResourceBindingSpec{
ReplicaRequirements: &workv1alpha2.ReplicaRequirements{
ResourceRequest: util.EmptyResource().ResourceList(),
},
Replicas: 6,
Clusters: []workv1alpha2.TargetCluster{
{Name: ClusterMember1, Replicas: 4},
{Name: ClusterMember2, Replicas: 8},
{Name: ClusterMember3, Replicas: 0},
},
},
preference: policyv1alpha1.ReplicaDivisionPreferenceAggregated,
preSelectedClusters: []*clusterv1alpha1.Cluster{
helper.NewClusterWithResource(ClusterMember1, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(1, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
helper.NewClusterWithResource(ClusterMember2, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(1, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
helper.NewClusterWithResource(ClusterMember3, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(1, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
},
},
want: []workv1alpha2.TargetCluster{
{Name: ClusterMember1, Replicas: 2},
{Name: ClusterMember2, Replicas: 4},
{Name: ClusterMember3, Replicas: 0},
},
wantErr: false,
},
{
name: "replica 12 -> 24, aggregated 4:6:8",
args: args{
spec: &workv1alpha2.ResourceBindingSpec{
ReplicaRequirements: &workv1alpha2.ReplicaRequirements{
ResourceRequest: util.EmptyResource().ResourceList(),
},
Replicas: 24,
Clusters: []workv1alpha2.TargetCluster{
{Name: ClusterMember1, Replicas: 4},
{Name: ClusterMember2, Replicas: 8},
{Name: ClusterMember3, Replicas: 0},
},
},
preference: policyv1alpha1.ReplicaDivisionPreferenceAggregated,
preSelectedClusters: []*clusterv1alpha1.Cluster{
helper.NewClusterWithResource(ClusterMember1, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(4, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
helper.NewClusterWithResource(ClusterMember2, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(6, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
helper.NewClusterWithResource(ClusterMember3, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(14, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
},
},
want: []workv1alpha2.TargetCluster{
{Name: ClusterMember1, Replicas: 6},
{Name: ClusterMember2, Replicas: 11},
{Name: ClusterMember3, Replicas: 7},
},
wantErr: false,
},
{
name: "replica 12 -> 24, dynamic weighted 1:1:1",
args: args{
spec: &workv1alpha2.ResourceBindingSpec{
ReplicaRequirements: &workv1alpha2.ReplicaRequirements{
ResourceRequest: util.EmptyResource().ResourceList(),
},
Replicas: 24,
Clusters: []workv1alpha2.TargetCluster{
{Name: ClusterMember1, Replicas: 4},
{Name: ClusterMember2, Replicas: 8},
{Name: ClusterMember3, Replicas: 0},
},
},
preference: policyv1alpha1.ReplicaDivisionPreferenceAggregated,
preSelectedClusters: []*clusterv1alpha1.Cluster{
helper.NewClusterWithResource(ClusterMember1, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(1, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
helper.NewClusterWithResource(ClusterMember2, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(1, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
helper.NewClusterWithResource(ClusterMember3, corev1.ResourceList{
corev1.ResourcePods: *resource.NewQuantity(1, resource.DecimalSI),
}, util.EmptyResource().ResourceList(), util.EmptyResource().ResourceList()),
},
},
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := scaleScheduleByReplicaDivisionPreference(tt.args.spec, tt.args.preference, tt.args.preSelectedClusters)
if (err != nil) != tt.wantErr {
t.Errorf("scaleScheduleByReplicaDivisionPreference() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !helper.IsScheduleResultEqual(got, tt.want) {
t.Errorf("scaleScheduleByReplicaDivisionPreference() got = %v, want %v", got, tt.want)
}
})
}
}

View File

@ -12,6 +12,8 @@ import (
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/utils/pointer"
clusterv1alpha1 "github.com/karmada-io/karmada/pkg/apis/cluster/v1alpha1"
)
// These are different resource units.
@ -379,3 +381,24 @@ func MakeNodeWithTaints(node string, milliCPU, memory, pods, ephemeralStorage in
},
}
}
// NewCluster will build a Cluster.
func NewCluster(name string) *clusterv1alpha1.Cluster {
return &clusterv1alpha1.Cluster{
ObjectMeta: metav1.ObjectMeta{Name: name},
}
}
// NewClusterWithResource will build a Cluster with resource.
func NewClusterWithResource(name string, allocatable, allocating, allocated corev1.ResourceList) *clusterv1alpha1.Cluster {
return &clusterv1alpha1.Cluster{
ObjectMeta: metav1.ObjectMeta{Name: name},
Status: clusterv1alpha1.ClusterStatus{
ResourceSummary: &clusterv1alpha1.ResourceSummary{
Allocatable: allocatable,
Allocating: allocating,
Allocated: allocated,
},
},
}
}

25
test/helper/scheduler.go Normal file
View File

@ -0,0 +1,25 @@
package helper
import (
workv1alpha2 "github.com/karmada-io/karmada/pkg/apis/work/v1alpha2"
)
// IsScheduleResultEqual will check whether two schedule results are equal.
func IsScheduleResultEqual(tc1, tc2 []workv1alpha2.TargetCluster) bool {
if len(tc1) != len(tc2) {
return false
}
for _, c1 := range tc1 {
found := false
for _, c2 := range tc2 {
if c1 == c2 {
found = true
break
}
}
if !found {
return false
}
}
return true
}