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Copy pathgangs_position_test.go
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gangs_position_test.go
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package gang
import (
"context"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/pfnet/scheduler-plugins/mocks"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/tools/events"
"k8s.io/kubernetes/pkg/scheduler/framework"
)
var _ = Describe("PreEnqueue", func() {
It("The first Pod on gang and the gang isn't registered", func() {
gangs := NewGangs(&mocks.MockFrameworkHandle{}, nil, ScheduleTimeoutConfig{}, gangAnnotationPrefix)
pod := makePod("pod-0", "user-0/pod-0", v1.PodPending)
pod.Namespace = "user-0"
pod.Annotations = map[string]string{
GangNameAnnotationKey(gangAnnotationPrefix): "gang-0",
GangSizeAnnotationKey(gangAnnotationPrefix): "2",
}
status := gangs.PreEnqueue(pod)
gn := GangName(types.NamespacedName{Namespace: "user-0", Name: "gang-0"})
p := gangs.gangs[gn].GetPosition("user-0/pod-0")
Expect(p).To(Equal(PodPositionReadyToSchedule))
Expect(status.Code()).To(Equal(framework.Unschedulable))
})
It("The Pod position is PodPositionUnknown", func() {
gangs := NewGangs(&mocks.MockFrameworkHandle{}, nil, ScheduleTimeoutConfig{}, gangAnnotationPrefix)
pod := makePod("pod-0", "user-0/pod-0", v1.PodPending)
pod.Namespace = "user-0"
pod.Annotations = map[string]string{
GangNameAnnotationKey(gangAnnotationPrefix): "gang-0",
GangSizeAnnotationKey(gangAnnotationPrefix): "2",
}
gn := GangName(types.NamespacedName{Namespace: "user-0", Name: "gang-0"})
gangs.gangs[gn] = NewGang(GangNameAndSpec{Name: gn}, gangAnnotationPrefix)
gangs.gangs[gn].AddOrUpdate(makePod("pod-0", "user-0/pod-0", v1.PodSucceeded))
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-0", Namespace: "user-0", UID: "user-0/pod-0"}}, PodPositionUnknown)
status := gangs.PreEnqueue(pod)
p := gangs.gangs[gn].GetPosition("user-0/pod-0")
Expect(p).To(Equal(PodPositionReadyToSchedule))
Expect(status.Code()).To(Equal(framework.Unschedulable))
})
It("The Pod position is PodPositionActiveQ and all gang Pods are created", func() {
gangs := NewGangs(&mocks.MockFrameworkHandle{}, nil, ScheduleTimeoutConfig{}, gangAnnotationPrefix)
pod1, pod2 := makePod("pod-1", "user-0/pod-1", v1.PodPending), makePod("pod-2", "user-0/pod-2", v1.PodPending)
pod1.Namespace = "user-0"
pod2.Namespace = "user-0"
pod1.Annotations = map[string]string{
GangNameAnnotationKey(gangAnnotationPrefix): "gang-0",
GangSizeAnnotationKey(gangAnnotationPrefix): "2",
}
pod2.Annotations = map[string]string{
GangNameAnnotationKey(gangAnnotationPrefix): "gang-0",
GangSizeAnnotationKey(gangAnnotationPrefix): "2",
}
gn := GangName(types.NamespacedName{Namespace: "user-0", Name: "gang-0"})
gangs.gangs[gn] = NewGang(GangNameAndSpec{Name: gn, Spec: GangSpec{Size: 2}}, gangAnnotationPrefix)
gangs.gangs[gn].AddOrUpdate(pod1)
gangs.gangs[gn].AddOrUpdate(pod2)
gangs.gangs[gn].PutPosition(pod1, PodPositionActiveQ)
gangs.gangs[gn].PutPosition(pod2, PodPositionActiveQ)
status := gangs.PreEnqueue(pod1)
Expect(status.Code()).To(Equal(framework.Success))
p := gangs.gangs[gn].GetPosition(pod1.UID)
Expect(p).To(Equal(PodPositionActiveQ))
})
It("The Pod position is PodPositionSchedulingCycle and all gang Pods are created", func() {
gangs := NewGangs(&mocks.MockFrameworkHandle{}, nil, ScheduleTimeoutConfig{}, gangAnnotationPrefix)
pod1, pod2 := makePod("pod-1", "user-0/pod-1", v1.PodPending), makePod("pod-2", "user-0/pod-2", v1.PodPending)
pod1.Namespace = "user-0"
pod2.Namespace = "user-0"
pod1.Annotations = map[string]string{
GangNameAnnotationKey(gangAnnotationPrefix): "gang-0",
GangSizeAnnotationKey(gangAnnotationPrefix): "2",
}
pod2.Annotations = map[string]string{
GangNameAnnotationKey(gangAnnotationPrefix): "gang-0",
GangSizeAnnotationKey(gangAnnotationPrefix): "2",
}
gn := GangName(types.NamespacedName{Namespace: "user-0", Name: "gang-0"})
gangs.gangs[gn] = NewGang(GangNameAndSpec{Name: gn, Spec: GangSpec{Size: 2}}, gangAnnotationPrefix)
gangs.gangs[gn].AddOrUpdate(pod1)
gangs.gangs[gn].AddOrUpdate(pod2)
gangs.gangs[gn].PutPosition(pod1, PodPositionSchedulingCycle)
gangs.gangs[gn].PutPosition(pod2, PodPositionSchedulingCycle)
status := gangs.PreEnqueue(pod1)
p := gangs.gangs[gn].GetPosition(pod1.UID)
Expect(p).To(Equal(PodPositionActiveQ))
Expect(status.Code()).To(Equal(framework.Success))
})
It("The Pod position is PodPositionSchedulingCycle but the number of Pods doesn't meet gang spec", func() {
gangs := NewGangs(&mocks.MockFrameworkHandle{}, nil, ScheduleTimeoutConfig{}, gangAnnotationPrefix)
pod1 := makePod("pod-1", "user-0/pod-1", v1.PodPending)
pod1.Namespace = "user-0"
pod1.Annotations = map[string]string{
GangNameAnnotationKey(gangAnnotationPrefix): "gang-0",
GangSizeAnnotationKey(gangAnnotationPrefix): "2", // size is 2, but only 1 Pod is created
}
gn := GangName(types.NamespacedName{Namespace: "user-0", Name: "gang-0"})
gangs.gangs[gn] = NewGang(GangNameAndSpec{Name: gn, Spec: GangSpec{Size: 2}}, gangAnnotationPrefix)
gangs.gangs[gn].AddOrUpdate(pod1)
gangs.gangs[gn].PutPosition(pod1, PodPositionSchedulingCycle)
status := gangs.PreEnqueue(pod1)
p := gangs.gangs[gn].GetPosition(pod1.UID)
Expect(p).To(Equal(PodPositionUnschedulablePodPool))
Expect(status.Code()).To(Equal(framework.UnschedulableAndUnresolvable))
})
It("The Pod position is PodPositionUnschedulablePodPool and all other gang Pods are PodPositionReadyToSchedule", func() {
gangs := NewGangs(&mocks.MockFrameworkHandle{}, nil, ScheduleTimeoutConfig{}, gangAnnotationPrefix)
pod := makePod("pod-0", "user-0/pod-0", v1.PodPending)
pod1 := makePod("pod-1", "user-0/pod-1", v1.PodPending)
pod2 := makePod("pod-2", "user-0/pod-2", v1.PodPending)
for _, p := range []*v1.Pod{pod, pod1, pod2} {
p.Namespace = "user-0"
p.Annotations = map[string]string{
GangNameAnnotationKey(gangAnnotationPrefix): "gang-0",
GangSizeAnnotationKey(gangAnnotationPrefix): "3",
}
}
gn := GangName(types.NamespacedName{Namespace: "user-0", Name: "gang-0"})
gangs.gangs[gn] = NewGang(GangNameAndSpec{Name: gn}, gangAnnotationPrefix)
gangs.gangs[gn].AddOrUpdate(pod)
gangs.gangs[gn].AddOrUpdate(pod1)
gangs.gangs[gn].AddOrUpdate(pod2)
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-0", Namespace: "user-0", UID: "user-0/pod-0"}}, PodPositionUnschedulablePodPool)
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-1", Namespace: "user-0", UID: "user-0/pod-1"}}, PodPositionReadyToSchedule)
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-2", Namespace: "user-0", UID: "user-0/pod-2"}}, PodPositionReadyToSchedule)
status := gangs.PreEnqueue(pod)
Expect(len(gangs.activateGangsPool)).To(Equal(1))
_, ok := gangs.activateGangsPool[GangName{Namespace: "user-0", Name: "gang-0"}]
Expect(ok).To(Equal(true))
p := gangs.gangs[gn].GetPosition("user-0/pod-0")
Expect(p).To(Equal(PodPositionReadyToSchedule))
Expect(status.Code()).To(Equal(framework.Unschedulable))
})
It("The Pod position is PodPositionUnschedulablePodPool and not all other gang Pods are PodPositionReadyToSchedule", func() {
gangs := NewGangs(&mocks.MockFrameworkHandle{}, nil, ScheduleTimeoutConfig{}, gangAnnotationPrefix)
pod := makePod("pod-0", "user-0/pod-0", v1.PodPending)
pod1 := makePod("pod-1", "user-0/pod-1", v1.PodPending)
pod2 := makePod("pod-2", "user-0/pod-2", v1.PodPending)
for _, p := range []*v1.Pod{pod, pod1, pod2} {
p.Namespace = "user-0"
p.Annotations = map[string]string{
GangNameAnnotationKey(gangAnnotationPrefix): "gang-0",
GangSizeAnnotationKey(gangAnnotationPrefix): "3",
}
}
gn := GangName(types.NamespacedName{Namespace: "user-0", Name: "gang-0"})
gangs.gangs[gn] = NewGang(GangNameAndSpec{Name: gn}, gangAnnotationPrefix)
gangs.gangs[gn].AddOrUpdate(pod)
gangs.gangs[gn].AddOrUpdate(pod1)
gangs.gangs[gn].AddOrUpdate(pod2)
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-0", Namespace: "user-0", UID: "user-0/pod-0"}}, PodPositionUnschedulablePodPool)
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-1", Namespace: "user-0", UID: "user-0/pod-1"}}, PodPositionReadyToSchedule)
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-2", Namespace: "user-0", UID: "user-0/pod-2"}}, PodPositionUnschedulablePodPool)
status := gangs.PreEnqueue(pod)
Expect(len(gangs.activateGangsPool)).To(Equal(0))
p := gangs.gangs[gn].GetPosition("user-0/pod-0")
Expect(p).To(Equal(PodPositionReadyToSchedule))
Expect(status.Code()).To(Equal(framework.Unschedulable))
})
})
var _ = Describe("PostFilter", func() {
It("do nothing with no gang Pod", func() {
gangs := NewGangs(&mocks.MockFrameworkHandle{}, nil, ScheduleTimeoutConfig{}, gangAnnotationPrefix)
pod := makePod("pod-0", "user-0/pod-0", v1.PodPending)
pod.Namespace = "user-0"
gangs.mapLock.Lock() // Lock it so that the test case will fail with timeout if PostFilter tries to do something.
gangs.PostFilter(context.Background(), pod)
}, 1)
It("the position for the pod isn't registered", func() {
gangs := NewGangs(&mocks.MockFrameworkHandle{}, nil, ScheduleTimeoutConfig{}, gangAnnotationPrefix)
pod := makePod("pod-0", "user-0/pod-0", v1.PodPending)
pod.Namespace = "user-0"
pod.Annotations = map[string]string{
GangNameAnnotationKey(gangAnnotationPrefix): "gang-0",
GangSizeAnnotationKey(gangAnnotationPrefix): "2",
}
gn := GangName(types.NamespacedName{Namespace: "user-0", Name: "gang-0"})
gangs.gangs[gn] = NewGang(GangNameAndSpec{Name: gn}, gangAnnotationPrefix)
gangs.gangs[gn].AddOrUpdate(makePod("pod-0", "user-0/pod-0", v1.PodSucceeded))
gangs.PostFilter(context.Background(), pod)
p := gangs.gangs[gn].GetPosition("user-0/pod-0")
Expect(p).To(Equal(PodPositionUnschedulablePodPool))
})
It("the position for the pod is PodPositionReadyToSchedule", func() {
gangs := NewGangs(&mocks.MockFrameworkHandle{}, nil, ScheduleTimeoutConfig{}, gangAnnotationPrefix)
pod := makePod("pod-0", "user-0/pod-0", v1.PodPending)
pod.Namespace = "user-0"
pod.Annotations = map[string]string{
GangNameAnnotationKey(gangAnnotationPrefix): "gang-0",
GangSizeAnnotationKey(gangAnnotationPrefix): "2",
}
gn := GangName(types.NamespacedName{Namespace: "user-0", Name: "gang-0"})
gangs.gangs[gn] = NewGang(GangNameAndSpec{Name: gn}, gangAnnotationPrefix)
gangs.gangs[gn].AddOrUpdate(makePod("pod-0", "user-0/pod-0", v1.PodSucceeded))
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-0", Namespace: "user-0", UID: "user-0/pod-0"}}, PodPositionReadyToSchedule)
gangs.PostFilter(context.Background(), pod)
p := gangs.gangs[gn].GetPosition("user-0/pod-0")
Expect(p).To(Equal(PodPositionReadyToSchedule))
})
It("the position for the pod isn't PodPositionReadyToSchedule", func() {
gangs := NewGangs(&mocks.MockFrameworkHandle{}, nil, ScheduleTimeoutConfig{}, gangAnnotationPrefix)
pod := makePod("pod-0", "user-0/pod-0", v1.PodPending)
pod.Namespace = "user-0"
pod.Annotations = map[string]string{
GangNameAnnotationKey(gangAnnotationPrefix): "gang-0",
GangSizeAnnotationKey(gangAnnotationPrefix): "2",
}
gn := GangName(types.NamespacedName{Namespace: "user-0", Name: "gang-0"})
gangs.gangs[gn] = NewGang(GangNameAndSpec{Name: gn}, gangAnnotationPrefix)
gangs.gangs[gn].AddOrUpdate(makePod("pod-0", "user-0/pod-0", v1.PodSucceeded))
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-0", Namespace: "user-0", UID: "user-0/pod-0"}}, PodPositionSchedulingCycle)
gangs.PostFilter(context.Background(), pod)
p := gangs.gangs[gn].GetPosition("user-0/pod-0")
Expect(p).To(Equal(PodPositionUnschedulablePodPool))
})
It("when any Pod in the same gang has NominatedNodeName, NominatedNodeName will be removed", func() {
fwh := &mocks.MockFrameworkHandle{}
gangs := NewGangs(fwh, fwh.ClientSet(), ScheduleTimeoutConfig{}, gangAnnotationPrefix)
existingPod := makePod("pod-1", "user-0/pod-1", v1.PodPending)
existingPod.Namespace = "user-0"
existingPod.Annotations = map[string]string{
GangNameAnnotationKey(gangAnnotationPrefix): "gang-0",
GangSizeAnnotationKey(gangAnnotationPrefix): "2",
}
existingPod.Status.NominatedNodeName = "nominated"
_, err := fwh.ClientSet().CoreV1().Pods("user-0").Create(context.Background(), existingPod, metav1.CreateOptions{})
Expect(err).ShouldNot(HaveOccurred())
pod := makePod("pod-0", "user-0/pod-0", v1.PodPending)
pod.Namespace = "user-0"
pod.Annotations = map[string]string{
GangNameAnnotationKey(gangAnnotationPrefix): "gang-0",
GangSizeAnnotationKey(gangAnnotationPrefix): "2",
}
gn := GangName(types.NamespacedName{Namespace: "user-0", Name: "gang-0"})
gangs.gangs[gn] = NewGang(GangNameAndSpec{Name: gn}, gangAnnotationPrefix)
gangs.gangs[gn].AddOrUpdate(makePod("pod-0", "user-0/pod-0", v1.PodPending))
gangs.gangs[gn].AddOrUpdate(existingPod)
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-0", Namespace: "user-0", UID: "user-0/pod-0"}}, PodPositionSchedulingCycle)
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-1", Namespace: "user-0", UID: "user-0/pod-1"}}, PodPositionSchedulingCycle)
gangs.PostFilter(context.Background(), pod)
p := gangs.gangs[gn].GetPosition("user-0/pod-0")
Expect(p).To(Equal(PodPositionUnschedulablePodPool))
pod, err = fwh.ClientSet().CoreV1().Pods("user-0").Get(context.Background(), "pod-1", metav1.GetOptions{})
Expect(pod.Status.NominatedNodeName).To(Equal(""))
Expect(err).ShouldNot(HaveOccurred())
p1 := gangs.gangs[gn].GetPosition("user-0/pod-1")
Expect(p1).To(Equal(PodPositionReadyToSchedule))
})
It("when there is waiting Pod in the same gang, position will be changed to PodPositionReadyToSchedule", func() {
gangs := NewGangs(&mocks.MockFrameworkHandle{}, nil, ScheduleTimeoutConfig{}, gangAnnotationPrefix)
pod := makePod("pod-0", "user-0/pod-0", v1.PodPending)
pod.Namespace = "user-0"
pod.Annotations = map[string]string{
GangNameAnnotationKey(gangAnnotationPrefix): "gang-0",
GangSizeAnnotationKey(gangAnnotationPrefix): "2",
}
gn := GangName(types.NamespacedName{Namespace: "user-0", Name: "gang-0"})
gangs.gangs[gn] = NewGang(GangNameAndSpec{Name: gn}, gangAnnotationPrefix)
gangs.gangs[gn].AddOrUpdate(makePod("pod-0", "user-0/pod-0", v1.PodPending))
gangs.gangs[gn].AddOrUpdate(makePod("pod-1", "user-0/pod-1", v1.PodPending))
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-0", Namespace: "user-0", UID: "user-0/pod-0"}}, PodPositionSchedulingCycle)
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-1", Namespace: "user-0", UID: "user-0/pod-1"}}, PodPositionWaitingOnPermit)
gangs.PostFilter(context.Background(), pod)
p := gangs.gangs[gn].GetPosition("user-0/pod-0")
Expect(p).To(Equal(PodPositionUnschedulablePodPool))
p1 := gangs.gangs[gn].GetPosition("user-0/pod-1")
Expect(p1).To(Equal(PodPositionReadyToSchedule))
})
})
var _ = Describe("PreFilter", func() {
It("do nothing with no gang Pod", func() {
gangs := NewGangs(&mocks.MockFrameworkHandle{}, nil, ScheduleTimeoutConfig{}, gangAnnotationPrefix)
pod := makePod("pod-0", "user-0/pod-0", v1.PodPending)
pod.Namespace = "user-0"
gangs.mapLock.Lock() // Lock it so that the test case will fail with timeout if PreFilter tries to do something.
status := gangs.PreFilter(context.Background(), nil, pod)
Expect(status.Code()).To(Equal(framework.Success))
}, 1)
It("the gang isn't registered", func() {
gangs := NewGangs(&mocks.MockFrameworkHandle{}, nil, ScheduleTimeoutConfig{}, gangAnnotationPrefix)
pod := makePod("pod-0", "user-0/pod-0", v1.PodPending)
pod.Namespace = "user-0"
pod.Annotations = map[string]string{
GangNameAnnotationKey(gangAnnotationPrefix): "gang-0",
GangSizeAnnotationKey(gangAnnotationPrefix): "2",
}
status := gangs.PreFilter(context.Background(), nil, pod)
Expect(status.Code()).To(Equal(framework.UnschedulableAndUnresolvable))
})
It("the position for another pod in the same gang is PodPositionUnschedulablePodPool", func() {
gangs := NewGangs(&mocks.MockFrameworkHandle{}, nil, ScheduleTimeoutConfig{}, gangAnnotationPrefix)
pod := makePod("pod-0", "user-0/pod-0", v1.PodPending)
pod1 := makePod("pod-1", "user-0/pod-1", v1.PodPending)
pod2 := makePod("pod-2", "user-0/pod-2", v1.PodPending)
for _, p := range []*v1.Pod{pod, pod1, pod2} {
p.Namespace = "user-0"
p.Annotations = map[string]string{
GangNameAnnotationKey(gangAnnotationPrefix): "gang-0",
GangSizeAnnotationKey(gangAnnotationPrefix): "3",
}
}
gn := GangName(types.NamespacedName{Namespace: "user-0", Name: "gang-0"})
gangs.gangs[gn] = NewGang(GangNameAndSpec{Name: gn}, gangAnnotationPrefix)
gangs.gangs[gn].AddOrUpdate(pod)
gangs.gangs[gn].AddOrUpdate(pod1)
gangs.gangs[gn].AddOrUpdate(pod2)
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-0", Namespace: "user-0", UID: "user-0/pod-0"}}, PodPositionActiveQ)
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-1", Namespace: "user-0", UID: "user-0/pod-1"}}, PodPositionUnschedulablePodPool)
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-2", Namespace: "user-0", UID: "user-0/pod-2"}}, PodPositionActiveQ)
status := gangs.PreFilter(context.Background(), nil, pod)
p := gangs.gangs[gn].GetPosition("user-0/pod-0")
Expect(p).To(Equal(PodPositionReadyToSchedule))
Expect(status.Code()).To(Equal(framework.UnschedulableAndUnresolvable))
})
Context("the position for all other pod in the same gang is PodPositionActiveQ", func() {
It("The gang is valid", func() {
gangs := NewGangs(&mocks.MockFrameworkHandle{}, nil, ScheduleTimeoutConfig{JitterSeconds: 1}, gangAnnotationPrefix)
pod := makePod("pod-0", "user-0/pod-0", v1.PodPending)
pod1 := makePod("pod-1", "user-0/pod-1", v1.PodPending)
pod2 := makePod("pod-2", "user-0/pod-2", v1.PodPending)
for _, p := range []*v1.Pod{pod, pod1, pod2} {
p.Namespace = "user-0"
p.Annotations = map[string]string{
GangNameAnnotationKey(gangAnnotationPrefix): "gang-0",
GangSizeAnnotationKey(gangAnnotationPrefix): "3",
}
}
gn := GangName(types.NamespacedName{Namespace: "user-0", Name: "gang-0"})
gangs.gangs[gn] = NewGang(GangNameAndSpec{Name: gn, Spec: GangSpec{Size: 3, TimeoutJitterSeconds: 1}}, gangAnnotationPrefix)
gangs.gangs[gn].AddOrUpdate(pod)
gangs.gangs[gn].AddOrUpdate(pod1)
gangs.gangs[gn].AddOrUpdate(pod2)
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-0", Namespace: "user-0", UID: "user-0/pod-0"}}, PodPositionActiveQ)
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-1", Namespace: "user-0", UID: "user-0/pod-1"}}, PodPositionActiveQ)
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-2", Namespace: "user-0", UID: "user-0/pod-2"}}, PodPositionActiveQ)
status := gangs.PreFilter(context.Background(), framework.NewCycleState(), pod)
p := gangs.gangs[gn].GetPosition("user-0/pod-0")
Expect(p).To(Equal(PodPositionSchedulingCycle))
Expect(status.Code()).To(Equal(framework.Success))
})
It("The gang is invalid", func() {
gangs := NewGangs(&mocks.MockFrameworkHandle{}, nil, ScheduleTimeoutConfig{JitterSeconds: 1}, gangAnnotationPrefix)
pod := makePod("pod-0", "user-0/pod-0", v1.PodPending)
pod1 := makePod("pod-1", "user-0/pod-1", v1.PodPending)
pod2 := makePod("pod-2", "user-0/pod-2", v1.PodPending)
for _, p := range []*v1.Pod{pod, pod1, pod2} {
p.Namespace = "user-0"
p.Annotations = map[string]string{
GangNameAnnotationKey(gangAnnotationPrefix): "gang-0",
GangSizeAnnotationKey(gangAnnotationPrefix): "4",
}
}
gn := GangName(types.NamespacedName{Namespace: "user-0", Name: "gang-0"})
gangs.gangs[gn] = NewGang(GangNameAndSpec{Name: gn, Spec: GangSpec{Size: 4, TimeoutJitterSeconds: 1}}, gangAnnotationPrefix)
gangs.gangs[gn].AddOrUpdate(pod)
gangs.gangs[gn].AddOrUpdate(pod1)
gangs.gangs[gn].AddOrUpdate(pod2)
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-0", Namespace: "user-0", UID: "user-0/pod-0"}}, PodPositionActiveQ)
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-1", Namespace: "user-0", UID: "user-0/pod-1"}}, PodPositionActiveQ)
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-2", Namespace: "user-0", UID: "user-0/pod-2"}}, PodPositionActiveQ)
status := gangs.PreFilter(context.Background(), framework.NewCycleState(), pod)
p := gangs.gangs[gn].GetPosition("user-0/pod-0")
Expect(p).To(Equal(PodPositionSchedulingCycle))
Expect(status.Code()).To(Equal(framework.UnschedulableAndUnresolvable))
// when PreFilter returns non-success due to GangSpecInvalid, the Pod is inserted to podUIDs
Expect(gangs.podUIDs.Has("user-0/pod-0")).To(Equal(true))
})
})
})
var _ = Describe("Permit", func() {
It("if return status is success, all gangs in activateGangsPool will be activated", func() {
gangs := NewGangs(&mocks.MockFrameworkHandle{}, nil, ScheduleTimeoutConfig{JitterSeconds: 1}, gangAnnotationPrefix)
pod := makePod("pod-0", "user-0/pod-0", v1.PodPending)
pod1 := makePod("pod-1", "user-0/pod-1", v1.PodPending)
pod2 := makePod("pod-2", "user-0/pod-2", v1.PodPending)
for _, p := range []*v1.Pod{pod, pod1, pod2} {
p.Namespace = "user-0"
p.Annotations = map[string]string{
GangNameAnnotationKey(gangAnnotationPrefix): "gang-0",
GangSizeAnnotationKey(gangAnnotationPrefix): "3",
}
}
gn := GangName(types.NamespacedName{Namespace: "user-0", Name: "gang-0"})
gangs.gangs[gn] = NewGang(GangNameAndSpec{Name: gn, Spec: GangSpec{Size: 3, TimeoutJitterSeconds: 1}}, gangAnnotationPrefix)
gangs.gangs[gn].AddOrUpdate(pod)
gangs.gangs[gn].AddOrUpdate(pod1)
gangs.gangs[gn].AddOrUpdate(pod2)
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-0", Namespace: "user-0", UID: "user-0/pod-0"}}, PodPositionReadyToSchedule)
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-1", Namespace: "user-0", UID: "user-0/pod-1"}}, PodPositionReadyToSchedule)
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-2", Namespace: "user-0", UID: "user-0/pod-2"}}, PodPositionReadyToSchedule)
gangs.activateGangsPool.Insert(gn)
state := framework.NewCycleState()
podsToActivate := framework.NewPodsToActivate()
state.Write(framework.PodsToActivateKey, podsToActivate)
status, _ := gangs.Permit(state, makePod("incoming", "user-1/incoming", v1.PodPending))
Expect(status.Code()).To(Equal(framework.Success))
Expect(len(gangs.activateGangsPool)).To(Equal(0))
for _, uid := range []string{"user-0/pod-0", "user-0/pod-1", "user-0/pod-2"} {
p := gangs.gangs[gn].GetPosition(types.UID(uid))
Expect(p).To(Equal(PodPositionActiveQ))
}
c, err := state.Read(framework.PodsToActivateKey)
typed, ok := c.(*framework.PodsToActivate)
Expect(err).ShouldNot(HaveOccurred())
Expect(ok).To(Equal(true))
Expect(typed.Map).To(Equal(map[string]*v1.Pod{"user-0/pod-0": pod, "user-0/pod-1": pod1, "user-0/pod-2": pod2}))
})
})
var _ = Describe("AddOrUpdate", func() {
It("if a gang Pod is added, the positions of each gang pod in podUIDs will be changed", func() {
gangs := NewGangs(&mocks.MockFrameworkHandle{}, nil, ScheduleTimeoutConfig{JitterSeconds: 1}, gangAnnotationPrefix)
pod0 := makePod("pod-0", "user-0/pod-0", v1.PodPending)
pod1 := makePod("pod-1", "user-0/pod-1", v1.PodPending)
podA := makePod("pod-a", "user-1/pod-a", v1.PodPending)
for _, p := range []*v1.Pod{pod0, pod1} {
p.Namespace = "user-0"
p.Annotations = map[string]string{
GangNameAnnotationKey(gangAnnotationPrefix): "gang-0",
GangSizeAnnotationKey(gangAnnotationPrefix): "2",
}
}
podA.Namespace = "user-1"
podA.Annotations = map[string]string{
GangNameAnnotationKey(gangAnnotationPrefix): "gang-1",
GangSizeAnnotationKey(gangAnnotationPrefix): "2",
}
gn := GangName(types.NamespacedName{Namespace: "user-0", Name: "gang-0"})
gn1 := GangName(types.NamespacedName{Namespace: "user-0", Name: "gang-1"})
gangs.gangs[gn] = NewGang(GangNameAndSpec{Name: gn, Spec: GangSpec{Size: 2, TimeoutJitterSeconds: 1}}, gangAnnotationPrefix)
gangs.gangs[gn].AddOrUpdate(pod1)
gangs.gangs[gn1] = NewGang(GangNameAndSpec{Name: gn1, Spec: GangSpec{Size: 2, TimeoutJitterSeconds: 1}}, gangAnnotationPrefix)
gangs.gangs[gn1].AddOrUpdate(podA)
gangs.gangs[gn].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-1", Namespace: "user-0", UID: "user-0/pod-1"}}, PodPositionUnschedulablePodPool)
gangs.gangs[gn1].PutPosition(&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "pod-a", Namespace: "user-1", UID: "user-1/pod-a"}}, PodPositionUnschedulablePodPool)
gangs.podUIDs.Insert("user-0/pod-1", "user-1/pod-a")
gangs.AddOrUpdate(pod0, &events.FakeRecorder{})
Expect(gangs.podUIDs.Has("user-0/pod-1")).To(Equal(false))
Expect(gangs.podUIDs.Has("user-1/pod-a")).To(Equal(true))
p := gangs.gangs[gn].GetPosition("user-0/pod-1")
Expect(p).To(Equal(PodPositionReadyToSchedule))
p = gangs.gangs[gn1].GetPosition("user-1/pod-a")
Expect(p).To(Equal(PodPositionUnschedulablePodPool))
})
})