6c8d4ee9ee
Add test to reflect the correct behaviour according to review comments. Most notably, we should consider that -as the device plugin API allows to express- a device ID can have multiple "NUMA" node IDs. (example: AMD Rome). More details: https://github.com/kubernetes/kubernetes/pull/95734#discussion_r539545041 Signed-off-by: Francesco Romani <fromani@redhat.com>
472 lines
11 KiB
Go
472 lines
11 KiB
Go
/*
|
|
Copyright 2018 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 podresources
|
|
|
|
import (
|
|
"context"
|
|
"reflect"
|
|
"sort"
|
|
"testing"
|
|
|
|
"k8s.io/api/core/v1"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/types"
|
|
podresourcesapi "k8s.io/kubelet/pkg/apis/podresources/v1"
|
|
"k8s.io/kubernetes/pkg/kubelet/cm/cpuset"
|
|
"k8s.io/kubernetes/pkg/kubelet/cm/devicemanager"
|
|
)
|
|
|
|
func TestListPodResourcesV1(t *testing.T) {
|
|
podName := "pod-name"
|
|
podNamespace := "pod-namespace"
|
|
podUID := types.UID("pod-uid")
|
|
containerName := "container-name"
|
|
numaID := int64(1)
|
|
|
|
devs := []*podresourcesapi.ContainerDevices{
|
|
{
|
|
ResourceName: "resource",
|
|
DeviceIds: []string{"dev0", "dev1"},
|
|
Topology: &podresourcesapi.TopologyInfo{Nodes: []*podresourcesapi.NUMANode{{ID: numaID}}},
|
|
},
|
|
}
|
|
|
|
cpus := []int64{12, 23, 30}
|
|
|
|
for _, tc := range []struct {
|
|
desc string
|
|
pods []*v1.Pod
|
|
devices []*podresourcesapi.ContainerDevices
|
|
cpus []int64
|
|
expectedResponse *podresourcesapi.ListPodResourcesResponse
|
|
}{
|
|
{
|
|
desc: "no pods",
|
|
pods: []*v1.Pod{},
|
|
devices: []*podresourcesapi.ContainerDevices{},
|
|
cpus: []int64{},
|
|
expectedResponse: &podresourcesapi.ListPodResourcesResponse{},
|
|
},
|
|
{
|
|
desc: "pod without devices",
|
|
pods: []*v1.Pod{
|
|
{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: podName,
|
|
Namespace: podNamespace,
|
|
UID: podUID,
|
|
},
|
|
Spec: v1.PodSpec{
|
|
Containers: []v1.Container{
|
|
{
|
|
Name: containerName,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
devices: []*podresourcesapi.ContainerDevices{},
|
|
cpus: []int64{},
|
|
expectedResponse: &podresourcesapi.ListPodResourcesResponse{
|
|
PodResources: []*podresourcesapi.PodResources{
|
|
{
|
|
Name: podName,
|
|
Namespace: podNamespace,
|
|
Containers: []*podresourcesapi.ContainerResources{
|
|
{
|
|
Name: containerName,
|
|
Devices: []*podresourcesapi.ContainerDevices{},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
desc: "pod with devices",
|
|
pods: []*v1.Pod{
|
|
{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: podName,
|
|
Namespace: podNamespace,
|
|
UID: podUID,
|
|
},
|
|
Spec: v1.PodSpec{
|
|
Containers: []v1.Container{
|
|
{
|
|
Name: containerName,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
devices: devs,
|
|
cpus: cpus,
|
|
expectedResponse: &podresourcesapi.ListPodResourcesResponse{
|
|
PodResources: []*podresourcesapi.PodResources{
|
|
{
|
|
Name: podName,
|
|
Namespace: podNamespace,
|
|
Containers: []*podresourcesapi.ContainerResources{
|
|
{
|
|
Name: containerName,
|
|
Devices: devs,
|
|
CpuIds: cpus,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
} {
|
|
t.Run(tc.desc, func(t *testing.T) {
|
|
m := new(mockProvider)
|
|
m.On("GetPods").Return(tc.pods)
|
|
m.On("GetDevices", string(podUID), containerName).Return(tc.devices)
|
|
m.On("GetCPUs", string(podUID), containerName).Return(tc.cpus)
|
|
m.On("UpdateAllocatedDevices").Return()
|
|
m.On("GetAllocatableCPUs").Return(cpuset.CPUSet{})
|
|
m.On("GetAllocatableDevices").Return(devicemanager.NewResourceDeviceInstances())
|
|
server := NewV1PodResourcesServer(m, m, m)
|
|
resp, err := server.List(context.TODO(), &podresourcesapi.ListPodResourcesRequest{})
|
|
if err != nil {
|
|
t.Errorf("want err = %v, got %q", nil, err)
|
|
}
|
|
if !equalListResponse(tc.expectedResponse, resp) {
|
|
t.Errorf("want resp = %s, got %s", tc.expectedResponse.String(), resp.String())
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestAllocatableResources(t *testing.T) {
|
|
allDevs := []*podresourcesapi.ContainerDevices{
|
|
{
|
|
ResourceName: "resource",
|
|
DeviceIds: []string{"dev0"},
|
|
Topology: &podresourcesapi.TopologyInfo{
|
|
Nodes: []*podresourcesapi.NUMANode{
|
|
{
|
|
ID: 0,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
ResourceName: "resource",
|
|
DeviceIds: []string{"dev1"},
|
|
Topology: &podresourcesapi.TopologyInfo{
|
|
Nodes: []*podresourcesapi.NUMANode{
|
|
{
|
|
ID: 1,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
ResourceName: "resource-nt",
|
|
DeviceIds: []string{"devA"},
|
|
},
|
|
{
|
|
ResourceName: "resource-mm",
|
|
DeviceIds: []string{"devM0"},
|
|
Topology: &podresourcesapi.TopologyInfo{
|
|
Nodes: []*podresourcesapi.NUMANode{
|
|
{
|
|
ID: 0,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
ResourceName: "resource-mm",
|
|
DeviceIds: []string{"devMM"},
|
|
Topology: &podresourcesapi.TopologyInfo{
|
|
Nodes: []*podresourcesapi.NUMANode{
|
|
{
|
|
ID: 0,
|
|
},
|
|
{
|
|
ID: 1,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
allCPUs := []int64{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}
|
|
|
|
for _, tc := range []struct {
|
|
desc string
|
|
allCPUs []int64
|
|
allDevices []*podresourcesapi.ContainerDevices
|
|
expectedAllocatableResourcesResponse *podresourcesapi.AllocatableResourcesResponse
|
|
}{
|
|
{
|
|
desc: "no devices, no CPUs",
|
|
allCPUs: []int64{},
|
|
allDevices: []*podresourcesapi.ContainerDevices{},
|
|
expectedAllocatableResourcesResponse: &podresourcesapi.AllocatableResourcesResponse{},
|
|
},
|
|
{
|
|
desc: "no devices, all CPUs",
|
|
allCPUs: allCPUs,
|
|
allDevices: []*podresourcesapi.ContainerDevices{},
|
|
expectedAllocatableResourcesResponse: &podresourcesapi.AllocatableResourcesResponse{
|
|
CpuIds: allCPUs,
|
|
},
|
|
},
|
|
{
|
|
desc: "with devices, all CPUs",
|
|
allCPUs: allCPUs,
|
|
allDevices: allDevs,
|
|
expectedAllocatableResourcesResponse: &podresourcesapi.AllocatableResourcesResponse{
|
|
CpuIds: allCPUs,
|
|
Devices: []*podresourcesapi.ContainerDevices{
|
|
{
|
|
ResourceName: "resource",
|
|
DeviceIds: []string{"dev0"},
|
|
Topology: &podresourcesapi.TopologyInfo{
|
|
Nodes: []*podresourcesapi.NUMANode{
|
|
{
|
|
ID: 0,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
ResourceName: "resource",
|
|
DeviceIds: []string{"dev1"},
|
|
Topology: &podresourcesapi.TopologyInfo{
|
|
Nodes: []*podresourcesapi.NUMANode{
|
|
{
|
|
ID: 1,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
ResourceName: "resource-nt",
|
|
DeviceIds: []string{"devA"},
|
|
},
|
|
{
|
|
ResourceName: "resource-mm",
|
|
DeviceIds: []string{"devM0"},
|
|
Topology: &podresourcesapi.TopologyInfo{
|
|
Nodes: []*podresourcesapi.NUMANode{
|
|
{
|
|
ID: 0,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
ResourceName: "resource-mm",
|
|
DeviceIds: []string{"devMM"},
|
|
Topology: &podresourcesapi.TopologyInfo{
|
|
Nodes: []*podresourcesapi.NUMANode{
|
|
{
|
|
ID: 0,
|
|
},
|
|
{
|
|
ID: 1,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
desc: "with devices, no CPUs",
|
|
allCPUs: []int64{},
|
|
allDevices: allDevs,
|
|
expectedAllocatableResourcesResponse: &podresourcesapi.AllocatableResourcesResponse{
|
|
Devices: []*podresourcesapi.ContainerDevices{
|
|
{
|
|
ResourceName: "resource",
|
|
DeviceIds: []string{"dev0"},
|
|
Topology: &podresourcesapi.TopologyInfo{
|
|
Nodes: []*podresourcesapi.NUMANode{
|
|
{
|
|
ID: 0,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
ResourceName: "resource",
|
|
DeviceIds: []string{"dev1"},
|
|
Topology: &podresourcesapi.TopologyInfo{
|
|
Nodes: []*podresourcesapi.NUMANode{
|
|
{
|
|
ID: 1,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
ResourceName: "resource-nt",
|
|
DeviceIds: []string{"devA"},
|
|
},
|
|
{
|
|
ResourceName: "resource-mm",
|
|
DeviceIds: []string{"devM0"},
|
|
Topology: &podresourcesapi.TopologyInfo{
|
|
Nodes: []*podresourcesapi.NUMANode{
|
|
{
|
|
ID: 0,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
ResourceName: "resource-mm",
|
|
DeviceIds: []string{"devMM"},
|
|
Topology: &podresourcesapi.TopologyInfo{
|
|
Nodes: []*podresourcesapi.NUMANode{
|
|
{
|
|
ID: 0,
|
|
},
|
|
{
|
|
ID: 1,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
} {
|
|
t.Run(tc.desc, func(t *testing.T) {
|
|
m := new(mockProvider)
|
|
m.On("GetDevices", "", "").Return([]*podresourcesapi.ContainerDevices{})
|
|
m.On("GetCPUs", "", "").Return([]int64{})
|
|
m.On("UpdateAllocatedDevices").Return()
|
|
m.On("GetAllocatableDevices").Return(tc.allDevices)
|
|
m.On("GetAllocatableCPUs").Return(tc.allCPUs)
|
|
server := NewV1PodResourcesServer(m, m, m)
|
|
|
|
resp, err := server.GetAllocatableResources(context.TODO(), &podresourcesapi.AllocatableResourcesRequest{})
|
|
if err != nil {
|
|
t.Errorf("want err = %v, got %q", nil, err)
|
|
}
|
|
|
|
if !equalAllocatableResourcesResponse(tc.expectedAllocatableResourcesResponse, resp) {
|
|
t.Errorf("want resp = %s, got %s", tc.expectedAllocatableResourcesResponse.String(), resp.String())
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func equalListResponse(respA, respB *podresourcesapi.ListPodResourcesResponse) bool {
|
|
if len(respA.PodResources) != len(respB.PodResources) {
|
|
return false
|
|
}
|
|
for idx := 0; idx < len(respA.PodResources); idx++ {
|
|
podResA := respA.PodResources[idx]
|
|
podResB := respB.PodResources[idx]
|
|
if podResA.Name != podResB.Name {
|
|
return false
|
|
}
|
|
if podResA.Namespace != podResB.Namespace {
|
|
return false
|
|
}
|
|
if len(podResA.Containers) != len(podResB.Containers) {
|
|
return false
|
|
}
|
|
for jdx := 0; jdx < len(podResA.Containers); jdx++ {
|
|
cntA := podResA.Containers[jdx]
|
|
cntB := podResB.Containers[jdx]
|
|
|
|
if cntA.Name != cntB.Name {
|
|
return false
|
|
}
|
|
if !equalInt64s(cntA.CpuIds, cntB.CpuIds) {
|
|
return false
|
|
}
|
|
|
|
if !equalContainerDevices(cntA.Devices, cntB.Devices) {
|
|
return false
|
|
}
|
|
}
|
|
}
|
|
return true
|
|
}
|
|
|
|
func equalContainerDevices(devA, devB []*podresourcesapi.ContainerDevices) bool {
|
|
if len(devA) != len(devB) {
|
|
return false
|
|
}
|
|
|
|
for idx := 0; idx < len(devA); idx++ {
|
|
cntDevA := devA[idx]
|
|
cntDevB := devB[idx]
|
|
|
|
if cntDevA.ResourceName != cntDevB.ResourceName {
|
|
return false
|
|
}
|
|
if !equalTopology(cntDevA.Topology, cntDevB.Topology) {
|
|
return false
|
|
}
|
|
if !equalStrings(cntDevA.DeviceIds, cntDevB.DeviceIds) {
|
|
return false
|
|
}
|
|
}
|
|
|
|
return true
|
|
}
|
|
|
|
func equalInt64s(a, b []int64) bool {
|
|
if len(a) != len(b) {
|
|
return false
|
|
}
|
|
aCopy := append([]int64{}, a...)
|
|
sort.Slice(aCopy, func(i, j int) bool { return aCopy[i] < aCopy[j] })
|
|
bCopy := append([]int64{}, b...)
|
|
sort.Slice(bCopy, func(i, j int) bool { return bCopy[i] < bCopy[j] })
|
|
return reflect.DeepEqual(aCopy, bCopy)
|
|
}
|
|
|
|
func equalStrings(a, b []string) bool {
|
|
if len(a) != len(b) {
|
|
return false
|
|
}
|
|
aCopy := append([]string{}, a...)
|
|
sort.Strings(aCopy)
|
|
bCopy := append([]string{}, b...)
|
|
sort.Strings(bCopy)
|
|
return reflect.DeepEqual(aCopy, bCopy)
|
|
}
|
|
|
|
func equalTopology(a, b *podresourcesapi.TopologyInfo) bool {
|
|
if a == nil && b != nil {
|
|
return false
|
|
}
|
|
if a != nil && b == nil {
|
|
return false
|
|
}
|
|
return reflect.DeepEqual(a, b)
|
|
}
|
|
|
|
func equalAllocatableResourcesResponse(respA, respB *podresourcesapi.AllocatableResourcesResponse) bool {
|
|
if !equalInt64s(respA.CpuIds, respB.CpuIds) {
|
|
return false
|
|
}
|
|
return equalContainerDevices(respA.Devices, respB.Devices)
|
|
}
|