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Add tests for GetPodTopologyHints() for devicemanager

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* Add additional test cases returned by getPodScopeTestCases()

Signed-off-by: Krzysztof Wiatrzyk <k.wiatrzyk@samsung.com>
This commit is contained in:
sw.han 2020-10-02 12:21:41 +02:00 committed by Krzysztof Wiatrzyk
parent 1c4a1ba6ae
commit ba1e8abce7
1 changed files with 314 additions and 0 deletions
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314
pkg/kubelet/cm/devicemanager/topology_hints_test.go
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@ -655,6 +655,61 @@ func TestGetPreferredAllocationParameters(t *testing.T) {
}
}
func TestGetPodTopologyHints(t *testing.T) {
tcases := getCommonTestCases()
tcases = append(tcases, getPodScopeTestCases()...)
for _, tc := range tcases {
m := ManagerImpl{
allDevices: make(map[string]map[string]pluginapi.Device),
healthyDevices: make(map[string]sets.String),
allocatedDevices: make(map[string]sets.String),
podDevices: newPodDevices(),
sourcesReady: &sourcesReadyStub{},
activePods: func() []*v1.Pod { return []*v1.Pod{tc.pod, {ObjectMeta: metav1.ObjectMeta{UID: "fakeOtherPod"}}} },
numaNodes: []int{0, 1},
}
for r := range tc.devices {
m.allDevices[r] = make(map[string]pluginapi.Device)
m.healthyDevices[r] = sets.NewString()
for _, d := range tc.devices[r] {
//add `pluginapi.Device` with Topology
m.allDevices[r][d.ID] = d
m.healthyDevices[r].Insert(d.ID)
}
}
for p := range tc.allocatedDevices {
for c := range tc.allocatedDevices[p] {
for r, devices := range tc.allocatedDevices[p][c] {
m.podDevices.insert(p, c, r, constructDevices(devices), nil)
m.allocatedDevices[r] = sets.NewString()
for _, d := range devices {
m.allocatedDevices[r].Insert(d)
}
}
}
}
hints := m.GetPodTopologyHints(tc.pod)
for r := range tc.expectedHints {
sort.SliceStable(hints[r], func(i, j int) bool {
return hints[r][i].LessThan(hints[r][j])
})
sort.SliceStable(tc.expectedHints[r], func(i, j int) bool {
return tc.expectedHints[r][i].LessThan(tc.expectedHints[r][j])
})
if !reflect.DeepEqual(hints[r], tc.expectedHints[r]) {
t.Errorf("%v: Expected result to be %v, got %v", tc.description, tc.expectedHints[r], hints[r])
}
}
}
}
type topologyHintTestCase struct {
description string
pod *v1.Pod
@ -1107,3 +1162,262 @@ func getCommonTestCases() []topologyHintTestCase {
},
}
}
func getPodScopeTestCases() []topologyHintTestCase {
return []topologyHintTestCase{
{
description: "2 device types, user container only",
pod: &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
UID: "fakePod",
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "fakeContainer1",
Resources: v1.ResourceRequirements{
Limits: v1.ResourceList{
v1.ResourceName("testdevice1"): resource.MustParse("2"),
},
},
},
{
Name: "fakeContainer2",
Resources: v1.ResourceRequirements{
Limits: v1.ResourceList{
v1.ResourceName("testdevice2"): resource.MustParse("2"),
},
},
},
{
Name: "fakeContainer3",
Resources: v1.ResourceRequirements{
Limits: v1.ResourceList{
v1.ResourceName("notRegistered"): resource.MustParse("2"),
},
},
},
},
},
},
devices: map[string][]pluginapi.Device{
"testdevice1": {
makeNUMADevice("Dev1", 0),
makeNUMADevice("Dev2", 0),
makeNUMADevice("Dev3", 1),
makeNUMADevice("Dev4", 1),
},
"testdevice2": {
makeNUMADevice("Dev1", 0),
makeNUMADevice("Dev2", 0),
makeNUMADevice("Dev3", 1),
makeNUMADevice("Dev4", 1),
},
},
expectedHints: map[string][]topologymanager.TopologyHint{
"testdevice1": {
{
NUMANodeAffinity: makeSocketMask(0),
Preferred: true,
},
{
NUMANodeAffinity: makeSocketMask(1),
Preferred: true,
},
{
NUMANodeAffinity: makeSocketMask(0, 1),
Preferred: false,
},
},
"testdevice2": {
{
NUMANodeAffinity: makeSocketMask(0),
Preferred: true,
},
{
NUMANodeAffinity: makeSocketMask(1),
Preferred: true,
},
{
NUMANodeAffinity: makeSocketMask(0, 1),
Preferred: false,
},
},
},
},
{
description: "2 device types, request resources for init containers and user container",
pod: &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
UID: "fakePod",
},
Spec: v1.PodSpec{
InitContainers: []v1.Container{
{
Resources: v1.ResourceRequirements{
Limits: v1.ResourceList{
v1.ResourceName("testdevice1"): resource.MustParse("1"),
v1.ResourceName("testdevice2"): resource.MustParse("1"),
},
},
},
{
Resources: v1.ResourceRequirements{
Limits: v1.ResourceList{
v1.ResourceName("testdevice1"): resource.MustParse("1"),
v1.ResourceName("testdevice2"): resource.MustParse("2"),
},
},
},
},
Containers: []v1.Container{
{
Name: "fakeContainer1",
Resources: v1.ResourceRequirements{
Limits: v1.ResourceList{
v1.ResourceName("testdevice1"): resource.MustParse("1"),
v1.ResourceName("testdevice2"): resource.MustParse("1"),
},
},
},
{
Name: "fakeContainer2",
Resources: v1.ResourceRequirements{
Limits: v1.ResourceList{
v1.ResourceName("testdevice1"): resource.MustParse("1"),
v1.ResourceName("testdevice2"): resource.MustParse("1"),
},
},
},
{
Name: "fakeContainer3",
Resources: v1.ResourceRequirements{
Limits: v1.ResourceList{
v1.ResourceName("notRegistered"): resource.MustParse("1"),
},
},
},
},
},
},
devices: map[string][]pluginapi.Device{
"testdevice1": {
makeNUMADevice("Dev1", 0),
makeNUMADevice("Dev2", 0),
makeNUMADevice("Dev3", 1),
makeNUMADevice("Dev4", 1),
},
"testdevice2": {
makeNUMADevice("Dev1", 0),
makeNUMADevice("Dev2", 0),
makeNUMADevice("Dev3", 1),
makeNUMADevice("Dev4", 1),
},
},
expectedHints: map[string][]topologymanager.TopologyHint{
"testdevice1": {
{
NUMANodeAffinity: makeSocketMask(0),
Preferred: true,
},
{
NUMANodeAffinity: makeSocketMask(1),
Preferred: true,
},
{
NUMANodeAffinity: makeSocketMask(0, 1),
Preferred: false,
},
},
"testdevice2": {
{
NUMANodeAffinity: makeSocketMask(0),
Preferred: true,
},
{
NUMANodeAffinity: makeSocketMask(1),
Preferred: true,
},
{
NUMANodeAffinity: makeSocketMask(0, 1),
Preferred: false,
},
},
},
},
{
description: "2 device types, user container only, optimal on 1 NUMA node, forced cross-NUMA",
pod: &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
UID: "fakePod",
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "fakeContainer1",
Resources: v1.ResourceRequirements{
Limits: v1.ResourceList{
v1.ResourceName("testdevice1"): resource.MustParse("1"),
v1.ResourceName("testdevice2"): resource.MustParse("1"),
},
},
},
{
Name: "fakeContainer2",
Resources: v1.ResourceRequirements{
Limits: v1.ResourceList{
v1.ResourceName("testdevice1"): resource.MustParse("1"),
v1.ResourceName("testdevice2"): resource.MustParse("1"),
},
},
},
{
Name: "fakeContainer3",
Resources: v1.ResourceRequirements{
Limits: v1.ResourceList{
v1.ResourceName("notRegistered"): resource.MustParse("1"),
},
},
},
},
},
},
devices: map[string][]pluginapi.Device{
"testdevice1": {
makeNUMADevice("Dev1", 0),
makeNUMADevice("Dev2", 0),
makeNUMADevice("Dev3", 1),
makeNUMADevice("Dev4", 1),
},
"testdevice2": {
makeNUMADevice("Dev1", 0),
makeNUMADevice("Dev2", 0),
makeNUMADevice("Dev3", 1),
makeNUMADevice("Dev4", 1),
},
},
allocatedDevices: map[string]map[string]map[string][]string{
"fakeOtherPod": {
"fakeOtherContainer": {
"testdevice1": {"Dev1", "Dev3"},
"testdevice2": {"Dev1", "Dev3"},
},
},
},
expectedHints: map[string][]topologymanager.TopologyHint{
"testdevice1": {
{
NUMANodeAffinity: makeSocketMask(0, 1),
Preferred: false,
},
},
"testdevice2": {
{
NUMANodeAffinity: makeSocketMask(0, 1),
Preferred: false,
},
},
},
},
}
}