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coscheduling_test.go
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coscheduling_test.go
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/*
Copyright 2020 The Kubernetes 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 integration
import (
"context"
"fmt"
"testing"
"time"
v1 "k8s.io/api/core/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/uuid"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/client-go/kubernetes"
"k8s.io/kubernetes/pkg/scheduler"
schedapi "k8s.io/kubernetes/pkg/scheduler/apis/config"
fwkruntime "k8s.io/kubernetes/pkg/scheduler/framework/runtime"
st "k8s.io/kubernetes/pkg/scheduler/testing"
imageutils "k8s.io/kubernetes/test/utils/image"
"sigs.k8s.io/controller-runtime/pkg/client"
schedconfig "sigs.k8s.io/scheduler-plugins/apis/config"
"sigs.k8s.io/scheduler-plugins/apis/scheduling"
"sigs.k8s.io/scheduler-plugins/apis/scheduling/v1alpha1"
"sigs.k8s.io/scheduler-plugins/pkg/coscheduling"
"sigs.k8s.io/scheduler-plugins/test/util"
)
func TestCoschedulingPlugin(t *testing.T) {
testCtx := &testContext{}
testCtx.Ctx, testCtx.CancelFn = context.WithCancel(context.Background())
cs := kubernetes.NewForConfigOrDie(globalKubeConfig)
extClient := util.NewClientOrDie(globalKubeConfig)
testCtx.ClientSet = cs
testCtx.KubeConfig = globalKubeConfig
if err := wait.PollUntilContextTimeout(testCtx.Ctx, 100*time.Millisecond, 3*time.Second, false, func(ctx context.Context) (done bool, err error) {
groupList, _, err := cs.ServerGroupsAndResources()
if err != nil {
return false, nil
}
for _, group := range groupList {
if group.Name == scheduling.GroupName {
t.Log("The CRD is ready to serve")
return true, nil
}
}
return false, nil
}); err != nil {
t.Fatalf("Timed out waiting for CRD to be ready: %v", err)
}
cfg, err := util.NewDefaultSchedulerComponentConfig()
if err != nil {
t.Fatal(err)
}
cfg.Profiles[0].Plugins.QueueSort = schedapi.PluginSet{
Enabled: []schedapi.Plugin{{Name: coscheduling.Name}},
Disabled: []schedapi.Plugin{{Name: "*"}},
}
cfg.Profiles[0].Plugins.PreFilter.Enabled = append(cfg.Profiles[0].Plugins.PreFilter.Enabled, schedapi.Plugin{Name: coscheduling.Name})
cfg.Profiles[0].Plugins.PostFilter.Enabled = append(cfg.Profiles[0].Plugins.PostFilter.Enabled, schedapi.Plugin{Name: coscheduling.Name})
cfg.Profiles[0].Plugins.Permit.Enabled = append(cfg.Profiles[0].Plugins.Permit.Enabled, schedapi.Plugin{Name: coscheduling.Name})
cfg.Profiles[0].PluginConfig = append(cfg.Profiles[0].PluginConfig, schedapi.PluginConfig{
Name: coscheduling.Name,
Args: &schedconfig.CoschedulingArgs{
PermitWaitingTimeSeconds: 3,
},
})
ns := fmt.Sprintf("integration-test-%v", string(uuid.NewUUID()))
createNamespace(t, testCtx, ns)
testCtx = initTestSchedulerWithOptions(
t,
testCtx,
scheduler.WithProfiles(cfg.Profiles...),
scheduler.WithFrameworkOutOfTreeRegistry(fwkruntime.Registry{coscheduling.Name: coscheduling.New}),
)
syncInformerFactory(testCtx)
go testCtx.Scheduler.Run(testCtx.Ctx)
t.Log("Init scheduler success")
defer cleanupTest(t, testCtx)
// Create a Node.
nodeName := "fake-node"
node := st.MakeNode().Name(nodeName).Label("node", nodeName).Obj()
node.Status.Allocatable = v1.ResourceList{
v1.ResourcePods: *resource.NewQuantity(32, resource.DecimalSI),
v1.ResourceMemory: *resource.NewQuantity(300, resource.DecimalSI),
}
node.Status.Capacity = v1.ResourceList{
v1.ResourcePods: *resource.NewQuantity(32, resource.DecimalSI),
v1.ResourceMemory: *resource.NewQuantity(300, resource.DecimalSI),
}
node, err = cs.CoreV1().Nodes().Create(testCtx.Ctx, node, metav1.CreateOptions{})
if err != nil {
t.Fatalf("Failed to create Node %q: %v", nodeName, err)
}
pause := imageutils.GetPauseImageName()
for _, tt := range []struct {
name string
pods []*v1.Pod
podGroups []*v1alpha1.PodGroup
expectedPods []string
}{
{
name: "equal priority, sequentially pg1 meet min and pg2 not meet min",
pods: []*v1.Pod{
WithContainer(st.MakePod().Namespace(ns).Name("t1-p1-1").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg1-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t1-p1-2").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg1-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t1-p1-3").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg1-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t1-p2-1").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg1-2").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t1-p2-2").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg1-2").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t1-p2-3").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg1-2").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t1-p2-4").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg1-2").ZeroTerminationGracePeriod().Obj(), pause),
},
podGroups: []*v1alpha1.PodGroup{
util.MakePG("pg1-1", ns, 3, nil, nil),
util.MakePG("pg1-2", ns, 4, nil, nil),
},
expectedPods: []string{"t1-p1-1", "t1-p1-2", "t1-p1-3"},
},
{
name: "equal priority, not sequentially pg1 meet min and pg2 not meet min",
pods: []*v1.Pod{
WithContainer(st.MakePod().Namespace(ns).Name("t2-p1-1").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg2-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t2-p2-1").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg2-2").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t2-p1-2").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg2-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t2-p2-2").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg2-2").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t2-p1-3").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg2-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t2-p2-3").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg2-2").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t2-p2-4").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg2-2").ZeroTerminationGracePeriod().Obj(), pause),
},
podGroups: []*v1alpha1.PodGroup{
util.MakePG("pg2-1", ns, 3, nil, nil),
util.MakePG("pg2-2", ns, 4, nil, nil),
},
expectedPods: []string{"t2-p1-1", "t2-p1-2", "t2-p1-3"},
},
{
name: "equal priority, not sequentially pg1 not meet min and 3 regular pods",
pods: []*v1.Pod{
WithContainer(st.MakePod().Namespace(ns).Name("t3-p1-1").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg3-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t3-p2").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t3-p1-2").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg3-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t3-p3").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t3-p1-3").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg3-1").ZeroTerminationGracePeriod().Obj(), pause),
},
podGroups: []*v1alpha1.PodGroup{
util.MakePG("pg3-1", ns, 4, nil, nil),
},
expectedPods: []string{"t3-p2", "t3-p3"},
},
{
name: "different priority, sequentially pg1 meet min and pg2 meet min",
pods: []*v1.Pod{
WithContainer(st.MakePod().Namespace(ns).Name("t4-p1-1").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg4-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t4-p1-2").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg4-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t4-p1-3").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg4-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t4-p2-1").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
highPriority).Label(v1alpha1.PodGroupLabel, "pg4-2").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t4-p2-2").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
highPriority).Label(v1alpha1.PodGroupLabel, "pg4-2").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t4-p2-3").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
highPriority).Label(v1alpha1.PodGroupLabel, "pg4-2").ZeroTerminationGracePeriod().Obj(), pause),
},
podGroups: []*v1alpha1.PodGroup{
util.MakePG("pg4-1", ns, 3, nil, nil),
util.MakePG("pg4-2", ns, 3, nil, nil),
},
expectedPods: []string{"t4-p2-1", "t4-p2-2", "t4-p2-3"},
},
{
name: "different priority, not sequentially pg1 meet min and pg2 meet min",
pods: []*v1.Pod{
WithContainer(st.MakePod().Namespace(ns).Name("t5-p1-1").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg5-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t5-p2-1").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
highPriority).Label(v1alpha1.PodGroupLabel, "pg5-2").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t5-p1-2").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg5-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t5-p2-2").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
highPriority).Label(v1alpha1.PodGroupLabel, "pg5-2").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t5-p1-3").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg5-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t5-p2-3").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
highPriority).Label(v1alpha1.PodGroupLabel, "pg5-2").ZeroTerminationGracePeriod().Obj(), pause),
},
podGroups: []*v1alpha1.PodGroup{
util.MakePG("pg5-1", ns, 3, nil, nil),
util.MakePG("pg5-2", ns, 3, nil, nil),
},
expectedPods: []string{"t5-p2-1", "t5-p2-2", "t5-p2-3"},
},
{
name: "different priority, not sequentially pg1 meet min and 3 regular pods",
pods: []*v1.Pod{
WithContainer(st.MakePod().Namespace(ns).Name("t6-p1-1").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg6-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t6-p2").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
highPriority).ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t6-p1-2").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg6-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t6-p3").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
highPriority).ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t6-p1-3").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg6-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t6-p4").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
highPriority).ZeroTerminationGracePeriod().Obj(), pause),
},
podGroups: []*v1alpha1.PodGroup{
util.MakePG("pg6-1", ns, 3, nil, nil),
},
expectedPods: []string{"t6-p2", "t6-p3", "t6-p4"},
},
{
name: "equal priority, not sequentially pg1 meet min and p2 p3 not meet min",
pods: []*v1.Pod{
WithContainer(st.MakePod().Namespace(ns).Name("t7-p1-1").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg7-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t7-p2-1").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg7-2").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t7-p3-1").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg7-3").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t7-p1-2").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg7-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t7-p2-2").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg7-2").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t7-p3-2").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg7-3").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t7-p1-3").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg7-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t7-p2-3").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg7-2").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t7-p3-3").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg7-3").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t7-p2-4").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg7-2").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t7-p3-4").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg7-3").ZeroTerminationGracePeriod().Obj(), pause),
},
podGroups: []*v1alpha1.PodGroup{
util.MakePG("pg7-1", ns, 3, nil, nil),
util.MakePG("pg7-2", ns, 4, nil, nil),
util.MakePG("pg7-3", ns, 4, nil, nil),
},
expectedPods: []string{"t7-p1-1", "t7-p1-2", "t7-p1-3"},
},
{
name: "equal priority, not sequentially pg1 meet min and p2 p3 not meet min, pgs have min resources",
pods: []*v1.Pod{
WithContainer(st.MakePod().Namespace(ns).Name("t8-p1-1").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg8-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t8-p2-1").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg8-2").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t8-p3-1").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg8-3").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t8-p1-2").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg8-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t8-p2-2").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg8-2").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t8-p3-2").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg8-3").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t8-p1-3").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg8-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t8-p2-3").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg8-2").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t8-p3-3").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg8-3").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t8-p2-4").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg8-2").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t8-p3-4").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg8-3").ZeroTerminationGracePeriod().Obj(), pause),
},
podGroups: []*v1alpha1.PodGroup{
util.MakePG("pg8-1", ns, 3, nil, &v1.ResourceList{v1.ResourceMemory: resource.MustParse("150")}),
util.MakePG("pg8-2", ns, 4, nil, &v1.ResourceList{v1.ResourceMemory: resource.MustParse("400")}),
util.MakePG("pg8-3", ns, 4, nil, &v1.ResourceList{v1.ResourceMemory: resource.MustParse("400")}),
},
expectedPods: []string{"t8-p1-1", "t8-p1-2", "t8-p1-3"},
},
{
name: "equal priority, not sequentially pg1 meet min and pg2 not meet min, pgs have min resources",
pods: []*v1.Pod{
WithContainer(st.MakePod().Namespace(ns).Name("t9-p1-1").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg9-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t9-p2-1").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg9-2").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t9-p1-2").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg9-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t9-p2-2").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg9-2").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t9-p1-3").Req(map[v1.ResourceName]string{v1.ResourceMemory: "50"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg9-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t9-p2-3").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg9-2").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t9-p2-4").Req(map[v1.ResourceName]string{v1.ResourceMemory: "100"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg9-2").ZeroTerminationGracePeriod().Obj(), pause),
},
podGroups: []*v1alpha1.PodGroup{
util.MakePG("pg9-1", ns, 3, nil, &v1.ResourceList{v1.ResourceMemory: resource.MustParse("150")}),
util.MakePG("pg9-2", ns, 4, nil, &v1.ResourceList{v1.ResourceMemory: resource.MustParse("400")}),
},
expectedPods: []string{"t9-p1-1", "t9-p1-2", "t9-p1-3"},
},
} {
t.Run(tt.name, func(t *testing.T) {
t.Logf("Start-coscheduling-test %v", tt.name)
defer cleanupPodGroups(testCtx.Ctx, extClient, tt.podGroups)
// create pod group
if err := createPodGroups(testCtx.Ctx, extClient, tt.podGroups); err != nil {
t.Fatal(err)
}
defer cleanupPods(t, testCtx, tt.pods)
// Create Pods, we will expect them to be scheduled in a reversed order.
for i := range tt.pods {
t.Logf("Creating pod: %s", tt.pods[i].Name)
if _, err := cs.CoreV1().Pods(tt.pods[i].Namespace).Create(testCtx.Ctx, tt.pods[i], metav1.CreateOptions{}); err != nil {
t.Fatalf("Failed to create Pod %q: %v", tt.pods[i].Name, err)
}
}
err = wait.PollUntilContextTimeout(testCtx.Ctx, 1*time.Second, 120*time.Second, false, func(ctx context.Context) (bool, error) {
for _, v := range tt.expectedPods {
if !podScheduled(t, cs, ns, v) {
return false, nil
}
}
return true, nil
})
if err != nil {
t.Fatalf("%v Waiting expectedPods error: %v", tt.name, err.Error())
}
t.Logf("Case %v finished", tt.name)
})
}
}
func TestPodgroupBackoff(t *testing.T) {
testCtx := &testContext{}
testCtx.Ctx, testCtx.CancelFn = context.WithCancel(context.Background())
cs := kubernetes.NewForConfigOrDie(globalKubeConfig)
extClient := util.NewClientOrDie(globalKubeConfig)
testCtx.ClientSet = cs
testCtx.KubeConfig = globalKubeConfig
if err := wait.PollUntilContextTimeout(testCtx.Ctx, 100*time.Millisecond, 3*time.Second, false, func(ctx context.Context) (done bool, err error) {
groupList, _, err := cs.ServerGroupsAndResources()
if err != nil {
return false, nil
}
for _, group := range groupList {
if group.Name == scheduling.GroupName {
t.Log("The CRD is ready to serve")
return true, nil
}
}
return false, nil
}); err != nil {
t.Fatalf("Timed out waiting for CRD to be ready: %v", err)
}
cfg, err := util.NewDefaultSchedulerComponentConfig()
if err != nil {
t.Fatal(err)
}
cfg.Profiles[0].Plugins.QueueSort = schedapi.PluginSet{
Enabled: []schedapi.Plugin{{Name: coscheduling.Name}},
Disabled: []schedapi.Plugin{{Name: "*"}},
}
cfg.Profiles[0].Plugins.PreFilter.Enabled = append(cfg.Profiles[0].Plugins.PreFilter.Enabled, schedapi.Plugin{Name: coscheduling.Name})
cfg.Profiles[0].Plugins.PostFilter.Enabled = append(cfg.Profiles[0].Plugins.PostFilter.Enabled, schedapi.Plugin{Name: coscheduling.Name})
cfg.Profiles[0].Plugins.Permit.Enabled = append(cfg.Profiles[0].Plugins.Permit.Enabled, schedapi.Plugin{Name: coscheduling.Name})
cfg.Profiles[0].PluginConfig = append(cfg.Profiles[0].PluginConfig, schedapi.PluginConfig{
Name: coscheduling.Name,
Args: &schedconfig.CoschedulingArgs{
PermitWaitingTimeSeconds: 3,
PodGroupBackoffSeconds: 1,
},
})
ns := fmt.Sprintf("integration-test-%v", string(uuid.NewUUID()))
createNamespace(t, testCtx, ns)
testCtx = initTestSchedulerWithOptions(
t,
testCtx,
scheduler.WithProfiles(cfg.Profiles...),
scheduler.WithFrameworkOutOfTreeRegistry(fwkruntime.Registry{coscheduling.Name: coscheduling.New}),
)
syncInformerFactory(testCtx)
go testCtx.Scheduler.Run(testCtx.Ctx)
t.Log("Init scheduler success")
defer cleanupTest(t, testCtx)
// Create Nodes.
node1Name := "fake-node-1"
node1 := st.MakeNode().Name(node1Name).Label("node", node1Name).Obj()
node1.Status.Allocatable = v1.ResourceList{
v1.ResourceCPU: *resource.NewQuantity(6, resource.DecimalSI),
v1.ResourcePods: *resource.NewQuantity(32, resource.DecimalSI),
}
node1.Status.Capacity = v1.ResourceList{
v1.ResourceCPU: *resource.NewQuantity(6, resource.DecimalSI),
v1.ResourcePods: *resource.NewQuantity(32, resource.DecimalSI),
}
node1, err = cs.CoreV1().Nodes().Create(testCtx.Ctx, node1, metav1.CreateOptions{})
if err != nil {
t.Fatalf("Failed to create Node %q: %v", node1Name, err)
}
node2Name := "fake-node-2"
node2 := st.MakeNode().Name(node2Name).Label("node", node2Name).Obj()
node2.Status.Allocatable = v1.ResourceList{
v1.ResourceCPU: *resource.NewQuantity(2, resource.DecimalSI),
v1.ResourcePods: *resource.NewQuantity(32, resource.DecimalSI),
}
node2.Status.Capacity = v1.ResourceList{
v1.ResourceCPU: *resource.NewQuantity(2, resource.DecimalSI),
v1.ResourcePods: *resource.NewQuantity(32, resource.DecimalSI),
}
node2, err = cs.CoreV1().Nodes().Create(testCtx.Ctx, node2, metav1.CreateOptions{})
if err != nil {
t.Fatalf("Failed to create Node %q: %v", node2Name, err)
}
node3Name := "fake-node-3"
node3 := st.MakeNode().Name(node3Name).Label("node", node3Name).Obj()
node3.Status.Allocatable = v1.ResourceList{
v1.ResourceCPU: *resource.NewQuantity(2, resource.DecimalSI),
v1.ResourcePods: *resource.NewQuantity(32, resource.DecimalSI),
}
node3.Status.Capacity = v1.ResourceList{
v1.ResourceCPU: *resource.NewQuantity(2, resource.DecimalSI),
v1.ResourcePods: *resource.NewQuantity(32, resource.DecimalSI),
}
node3, err = cs.CoreV1().Nodes().Create(testCtx.Ctx, node3, metav1.CreateOptions{})
if err != nil {
t.Fatalf("Failed to create Node %q: %v", node3Name, err)
}
node4Name := "fake-node-4"
node4 := st.MakeNode().Name(node4Name).Label("node", node4Name).Obj()
node4.Status.Allocatable = v1.ResourceList{
v1.ResourceCPU: *resource.NewQuantity(2, resource.DecimalSI),
v1.ResourcePods: *resource.NewQuantity(32, resource.DecimalSI),
}
node4.Status.Capacity = v1.ResourceList{
v1.ResourceCPU: *resource.NewQuantity(2, resource.DecimalSI),
v1.ResourcePods: *resource.NewQuantity(32, resource.DecimalSI),
}
node4, err = cs.CoreV1().Nodes().Create(testCtx.Ctx, node4, metav1.CreateOptions{})
if err != nil {
t.Fatalf("Failed to create Node %q: %v", node4Name, err)
}
pause := imageutils.GetPauseImageName()
for _, tt := range []struct {
name string
pods []*v1.Pod
podGroups []*v1alpha1.PodGroup
expectedPods []string
}{
{
name: "pg1 can not be scheduled and pg2 can be scheduled",
pods: []*v1.Pod{
WithContainer(st.MakePod().Namespace(ns).Name("t1-p1-1").Req(map[v1.ResourceName]string{v1.ResourceCPU: "4"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg1-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t1-p1-2").Req(map[v1.ResourceName]string{v1.ResourceCPU: "4"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg1-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t1-p1-3").Req(map[v1.ResourceName]string{v1.ResourceCPU: "4"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg1-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t1-p1-4").Req(map[v1.ResourceName]string{v1.ResourceCPU: "4"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg1-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t1-p1-5").Req(map[v1.ResourceName]string{v1.ResourceCPU: "4"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg1-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t1-p1-6").Req(map[v1.ResourceName]string{v1.ResourceCPU: "4"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg1-1").ZeroTerminationGracePeriod().Obj(), pause),
WithContainer(st.MakePod().Namespace(ns).Name("t1-p2-1").Req(map[v1.ResourceName]string{v1.ResourceCPU: "2"}).Priority(
midPriority).Label(v1alpha1.PodGroupLabel, "pg2-1").ZeroTerminationGracePeriod().Obj(), pause),
},
podGroups: []*v1alpha1.PodGroup{
util.MakePG("pg1-1", ns, 6, nil, nil),
util.MakePG("pg2-1", ns, 1, nil, nil),
},
expectedPods: []string{"t1-p2-1"},
},
} {
t.Run(tt.name, func(t *testing.T) {
t.Logf("Start-coscheduling-test %v", tt.name)
defer cleanupPodGroups(testCtx.Ctx, extClient, tt.podGroups)
// create pod group
if err := createPodGroups(testCtx.Ctx, extClient, tt.podGroups); err != nil {
t.Fatal(err)
}
defer cleanupPods(t, testCtx, tt.pods)
// Create Pods, we will expect them to be scheduled in a reversed order.
for i := range tt.pods {
t.Logf("Creating pod %s", tt.pods[i].Name)
if _, err := cs.CoreV1().Pods(tt.pods[i].Namespace).Create(testCtx.Ctx, tt.pods[i], metav1.CreateOptions{}); err != nil {
t.Fatalf("Failed to create Pod %q: %v", tt.pods[i].Name, err)
}
}
err = wait.PollUntilContextTimeout(testCtx.Ctx, 1*time.Second, 120*time.Second, false, func(ctx context.Context) (bool, error) {
for _, v := range tt.expectedPods {
if !podScheduled(t, cs, ns, v) {
return false, nil
}
}
return true, nil
})
if err != nil {
t.Fatalf("%v Waiting expectedPods error: %v", tt.name, err.Error())
}
t.Logf("Case %v finished", tt.name)
})
}
}
func WithContainer(pod *v1.Pod, image string) *v1.Pod {
pod.Spec.Containers[0].Name = "con0"
pod.Spec.Containers[0].Image = image
return pod
}
func createPodGroups(ctx context.Context, c client.Client, podGroups []*v1alpha1.PodGroup) error {
for _, pg := range podGroups {
if err := c.Create(ctx, pg); err != nil && !apierrors.IsAlreadyExists(err) {
return err
}
}
return nil
}
func cleanupPodGroups(ctx context.Context, c client.Client, podGroups []*v1alpha1.PodGroup) {
for _, pg := range podGroups {
_ = c.Delete(ctx, pg)
}
}