add scheduler estimator test
Signed-off-by: Garrybest <garrybest@foxmail.com>
This commit is contained in:
Garrybest
parent
a87fbb98ac
commit
35b02bc497
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@ -4,7 +4,6 @@ import (
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"context"
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"fmt"
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"net"
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"net/http"
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"time"
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"github.com/kr/pretty"
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@ -39,7 +38,6 @@ type AccurateSchedulerEstimatorServer struct {
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nodeLister listv1.NodeLister
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podLister listv1.PodLister
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getPodFunc func(nodeName string) ([]*corev1.Pod, error)
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httpServer *http.Server
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}
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// NewEstimatorServer creates an instance of AccurateSchedulerEstimatorServer.
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@ -120,9 +118,6 @@ func (es *AccurateSchedulerEstimatorServer) Start(ctx context.Context) error {
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go func() {
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<-stopCh
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s.GracefulStop()
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if err := es.httpServer.Shutdown(context.Background()); nil != err {
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klog.Fatalf("server shutdown failed, err: %v\n", err)
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}
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}()
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// Start the gRPC server.
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@ -0,0 +1,225 @@
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package server
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import (
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"context"
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"fmt"
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"reflect"
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"testing"
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corev1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/client-go/kubernetes/fake"
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"github.com/karmada-io/karmada/cmd/scheduler-estimator/app/options"
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"github.com/karmada-io/karmada/pkg/estimator/pb"
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testhelper "github.com/karmada-io/karmada/test/helper"
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)
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func TestAccurateSchedulerEstimatorServer_MaxAvailableReplicas(t *testing.T) {
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opt := &options.Options{
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ClusterName: "fake",
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}
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type args struct {
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request *pb.MaxAvailableReplicasRequest
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}
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tests := []struct {
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name string
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objs []runtime.Object
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args args
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wantResponse *pb.MaxAvailableReplicasResponse
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wantErr bool
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}{
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{
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name: "normal",
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// node 1 left: 2 cpu, 6 mem, 8 pod, 14 storage
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// node 2 left: 3 cpu, 5 mem, 9 pod, 12 storage
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// node 3 left: 8 cpu, 16 mem, 11 pod, 16 storage
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objs: []runtime.Object{
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testhelper.NewNode("machine1", 8*testhelper.ResourceUnitCPU, 16*testhelper.ResourceUnitMem, 11*testhelper.ResourceUnitPod, 16*testhelper.ResourceUnitEphemeralStorage),
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testhelper.NewNode("machine2", 8*testhelper.ResourceUnitCPU, 16*testhelper.ResourceUnitMem, 11*testhelper.ResourceUnitPod, 16*testhelper.ResourceUnitEphemeralStorage),
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testhelper.NewNode("machine3", 8*testhelper.ResourceUnitCPU, 16*testhelper.ResourceUnitMem, 11*testhelper.ResourceUnitPod, 16*testhelper.ResourceUnitEphemeralStorage),
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testhelper.NewPodWithRequest("pod1", "machine1", 1*testhelper.ResourceUnitCPU, 3*testhelper.ResourceUnitMem, testhelper.ResourceUnitZero),
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testhelper.NewPodWithRequest("pod2", "machine1", 3*testhelper.ResourceUnitCPU, 3*testhelper.ResourceUnitMem, testhelper.ResourceUnitZero),
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testhelper.NewPodWithRequest("pod3", "machine1", 2*testhelper.ResourceUnitCPU, 4*testhelper.ResourceUnitMem, 2*testhelper.ResourceUnitEphemeralStorage),
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testhelper.NewPodWithRequest("pod4", "machine2", 4*testhelper.ResourceUnitCPU, 8*testhelper.ResourceUnitMem, 2*testhelper.ResourceUnitEphemeralStorage),
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testhelper.NewPodWithRequest("pod5", "machine2", 1*testhelper.ResourceUnitCPU, 3*testhelper.ResourceUnitMem, 2*testhelper.ResourceUnitEphemeralStorage),
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},
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// request 1 cpu, 2 mem
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args: args{
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request: &pb.MaxAvailableReplicasRequest{
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Cluster: "fake",
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ReplicaRequirements: pb.ReplicaRequirements{
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ResourceRequest: testhelper.NewResourceList(1*testhelper.ResourceUnitCPU, 2*testhelper.ResourceUnitMem, testhelper.ResourceUnitZero),
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},
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},
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},
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wantResponse: &pb.MaxAvailableReplicasResponse{
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MaxReplicas: 12,
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},
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wantErr: false,
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},
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{
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name: "pod resource strict",
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// node 1 left: 2 cpu, 6 mem, 1 pod, 14 storage
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// node 2 left: 3 cpu, 5 mem, 1 pod, 12 storage
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// node 3 left: 8 cpu, 16 mem, 11 pod, 16 storage
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objs: []runtime.Object{
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testhelper.NewNode("machine1", 8*testhelper.ResourceUnitCPU, 16*testhelper.ResourceUnitMem, 4*testhelper.ResourceUnitPod, 16*testhelper.ResourceUnitEphemeralStorage),
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testhelper.NewNode("machine2", 8*testhelper.ResourceUnitCPU, 16*testhelper.ResourceUnitMem, 3*testhelper.ResourceUnitPod, 16*testhelper.ResourceUnitEphemeralStorage),
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testhelper.NewNode("machine3", 8*testhelper.ResourceUnitCPU, 16*testhelper.ResourceUnitMem, 11*testhelper.ResourceUnitPod, 16*testhelper.ResourceUnitEphemeralStorage),
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testhelper.NewPodWithRequest("pod1", "machine1", 1*testhelper.ResourceUnitCPU, 3*testhelper.ResourceUnitMem, testhelper.ResourceUnitZero),
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testhelper.NewPodWithRequest("pod2", "machine1", 3*testhelper.ResourceUnitCPU, 3*testhelper.ResourceUnitMem, testhelper.ResourceUnitZero),
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testhelper.NewPodWithRequest("pod3", "machine1", 2*testhelper.ResourceUnitCPU, 4*testhelper.ResourceUnitMem, 2*testhelper.ResourceUnitEphemeralStorage),
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testhelper.NewPodWithRequest("pod4", "machine2", 4*testhelper.ResourceUnitCPU, 8*testhelper.ResourceUnitMem, 2*testhelper.ResourceUnitEphemeralStorage),
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testhelper.NewPodWithRequest("pod5", "machine2", 1*testhelper.ResourceUnitCPU, 3*testhelper.ResourceUnitMem, 2*testhelper.ResourceUnitEphemeralStorage),
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},
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// request 1 cpu, 2 mem
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args: args{
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request: &pb.MaxAvailableReplicasRequest{
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Cluster: "fake",
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ReplicaRequirements: pb.ReplicaRequirements{
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ResourceRequest: testhelper.NewResourceList(1*testhelper.ResourceUnitCPU, 2*testhelper.ResourceUnitMem, testhelper.ResourceUnitZero),
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},
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},
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},
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wantResponse: &pb.MaxAvailableReplicasResponse{
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MaxReplicas: 10,
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},
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wantErr: false,
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},
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{
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name: "request with node selector",
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// node 1(with label: a = 1) left: 2 cpu, 6 mem, 8 pod, 14 storage
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// node 2(with label: a = 3; b = 2) left: 3 cpu, 5 mem, 9 pod, 12 storage
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// node 3(without labels) left: 8 cpu, 16 mem, 11 pod, 16 storage
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objs: []runtime.Object{
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testhelper.MakeNodeWithLabels("machine1", 8*testhelper.ResourceUnitCPU, 16*testhelper.ResourceUnitMem, 11*testhelper.ResourceUnitPod, 16*testhelper.ResourceUnitEphemeralStorage, map[string]string{"a": "1"}),
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testhelper.MakeNodeWithLabels("machine2", 8*testhelper.ResourceUnitCPU, 16*testhelper.ResourceUnitMem, 11*testhelper.ResourceUnitPod, 16*testhelper.ResourceUnitEphemeralStorage, map[string]string{"a": "3", "b": "2"}),
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testhelper.NewNode("machine3", 8*testhelper.ResourceUnitCPU, 16*testhelper.ResourceUnitMem, 11*testhelper.ResourceUnitPod, 16*testhelper.ResourceUnitEphemeralStorage),
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testhelper.NewPodWithRequest("pod1", "machine1", 1*testhelper.ResourceUnitCPU, 3*testhelper.ResourceUnitMem, testhelper.ResourceUnitZero),
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testhelper.NewPodWithRequest("pod2", "machine1", 3*testhelper.ResourceUnitCPU, 3*testhelper.ResourceUnitMem, testhelper.ResourceUnitZero),
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testhelper.NewPodWithRequest("pod3", "machine1", 2*testhelper.ResourceUnitCPU, 4*testhelper.ResourceUnitMem, 2*testhelper.ResourceUnitEphemeralStorage),
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testhelper.NewPodWithRequest("pod4", "machine2", 4*testhelper.ResourceUnitCPU, 8*testhelper.ResourceUnitMem, 2*testhelper.ResourceUnitEphemeralStorage),
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testhelper.NewPodWithRequest("pod5", "machine2", 1*testhelper.ResourceUnitCPU, 3*testhelper.ResourceUnitMem, 2*testhelper.ResourceUnitEphemeralStorage),
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},
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// request 1 cpu, 2 mem and with node label a = 3
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args: args{
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request: &pb.MaxAvailableReplicasRequest{
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Cluster: "fake",
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ReplicaRequirements: pb.ReplicaRequirements{
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NodeClaim: &pb.NodeClaim{
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NodeSelector: map[string]string{
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"a": "3",
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},
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},
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ResourceRequest: testhelper.NewResourceList(1*testhelper.ResourceUnitCPU, 2*testhelper.ResourceUnitMem, testhelper.ResourceUnitZero),
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},
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},
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},
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wantResponse: &pb.MaxAvailableReplicasResponse{
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MaxReplicas: 2,
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},
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wantErr: false,
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},
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{
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name: "request with node affinity",
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// node 1(with label: a = 1) left: 2 cpu, 6 mem, 8 pod, 14 storage
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// node 2(with label: a = 3; b = 2) left: 3 cpu, 5 mem, 9 pod, 12 storage
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// node 3(without labels) left: 8 cpu, 16 mem, 11 pod, 16 storage
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objs: []runtime.Object{
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testhelper.MakeNodeWithLabels("machine1", 8*testhelper.ResourceUnitCPU, 16*testhelper.ResourceUnitMem, 11*testhelper.ResourceUnitPod, 16*testhelper.ResourceUnitEphemeralStorage, map[string]string{"a": "1"}),
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testhelper.MakeNodeWithLabels("machine2", 8*testhelper.ResourceUnitCPU, 16*testhelper.ResourceUnitMem, 11*testhelper.ResourceUnitPod, 16*testhelper.ResourceUnitEphemeralStorage, map[string]string{"a": "3", "b": "2"}),
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testhelper.NewNode("machine3", 8*testhelper.ResourceUnitCPU, 16*testhelper.ResourceUnitMem, 11*testhelper.ResourceUnitPod, 16*testhelper.ResourceUnitEphemeralStorage),
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testhelper.NewPodWithRequest("pod1", "machine1", 1*testhelper.ResourceUnitCPU, 3*testhelper.ResourceUnitMem, testhelper.ResourceUnitZero),
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testhelper.NewPodWithRequest("pod2", "machine1", 3*testhelper.ResourceUnitCPU, 3*testhelper.ResourceUnitMem, testhelper.ResourceUnitZero),
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testhelper.NewPodWithRequest("pod3", "machine1", 2*testhelper.ResourceUnitCPU, 4*testhelper.ResourceUnitMem, 2*testhelper.ResourceUnitEphemeralStorage),
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testhelper.NewPodWithRequest("pod4", "machine2", 4*testhelper.ResourceUnitCPU, 8*testhelper.ResourceUnitMem, 2*testhelper.ResourceUnitEphemeralStorage),
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testhelper.NewPodWithRequest("pod5", "machine2", 1*testhelper.ResourceUnitCPU, 3*testhelper.ResourceUnitMem, 2*testhelper.ResourceUnitEphemeralStorage),
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},
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// request 1 cpu, 2 mem and with node label a > 0
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args: args{
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request: &pb.MaxAvailableReplicasRequest{
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Cluster: "fake",
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ReplicaRequirements: pb.ReplicaRequirements{
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NodeClaim: &pb.NodeClaim{
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NodeAffinity: &corev1.NodeSelector{
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NodeSelectorTerms: []corev1.NodeSelectorTerm{
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{
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MatchExpressions: []corev1.NodeSelectorRequirement{
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{
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Key: "a",
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Operator: corev1.NodeSelectorOpGt,
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Values: []string{"0"},
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},
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},
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},
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},
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},
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},
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ResourceRequest: testhelper.NewResourceList(1*testhelper.ResourceUnitCPU, 2*testhelper.ResourceUnitMem, testhelper.ResourceUnitZero),
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},
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},
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},
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wantResponse: &pb.MaxAvailableReplicasResponse{
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MaxReplicas: 4,
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},
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wantErr: false,
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},
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{
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name: "request with tolerations",
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// node 1(with taint: key1 = value1) left: 2 cpu, 6 mem, 8 pod, 14 storage
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// node 2(with label: key2 = value2) left: 3 cpu, 5 mem, 9 pod, 12 storage
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// node 3(without labels) left: 8 cpu, 16 mem, 11 pod, 16 storage
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objs: []runtime.Object{
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testhelper.MakeNodeWithTaints("machine1", 8*testhelper.ResourceUnitCPU, 16*testhelper.ResourceUnitMem, 11*testhelper.ResourceUnitPod, 16*testhelper.ResourceUnitEphemeralStorage, []corev1.Taint{{Key: "key1", Value: "value1", Effect: corev1.TaintEffectNoSchedule}}),
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testhelper.MakeNodeWithTaints("machine2", 8*testhelper.ResourceUnitCPU, 16*testhelper.ResourceUnitMem, 11*testhelper.ResourceUnitPod, 16*testhelper.ResourceUnitEphemeralStorage, []corev1.Taint{{Key: "key2", Value: "value2", Effect: corev1.TaintEffectNoSchedule}}),
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testhelper.NewNode("machine3", 8*testhelper.ResourceUnitCPU, 16*testhelper.ResourceUnitMem, 11*testhelper.ResourceUnitPod, 16*testhelper.ResourceUnitEphemeralStorage),
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testhelper.NewPodWithRequest("pod1", "machine1", 1*testhelper.ResourceUnitCPU, 3*testhelper.ResourceUnitMem, testhelper.ResourceUnitZero),
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testhelper.NewPodWithRequest("pod2", "machine1", 3*testhelper.ResourceUnitCPU, 3*testhelper.ResourceUnitMem, testhelper.ResourceUnitZero),
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testhelper.NewPodWithRequest("pod3", "machine1", 2*testhelper.ResourceUnitCPU, 4*testhelper.ResourceUnitMem, 2*testhelper.ResourceUnitEphemeralStorage),
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testhelper.NewPodWithRequest("pod4", "machine2", 4*testhelper.ResourceUnitCPU, 8*testhelper.ResourceUnitMem, 2*testhelper.ResourceUnitEphemeralStorage),
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testhelper.NewPodWithRequest("pod5", "machine2", 1*testhelper.ResourceUnitCPU, 3*testhelper.ResourceUnitMem, 2*testhelper.ResourceUnitEphemeralStorage),
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},
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// request 1 cpu, 2 mem and with node label a > 0
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args: args{
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request: &pb.MaxAvailableReplicasRequest{
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Cluster: "fake",
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ReplicaRequirements: pb.ReplicaRequirements{
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NodeClaim: &pb.NodeClaim{
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Tolerations: []corev1.Toleration{
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{Key: "key1", Operator: corev1.TolerationOpEqual, Value: "value1"},
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},
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},
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ResourceRequest: testhelper.NewResourceList(1*testhelper.ResourceUnitCPU, 2*testhelper.ResourceUnitMem, testhelper.ResourceUnitZero),
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},
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},
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},
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wantResponse: &pb.MaxAvailableReplicasResponse{
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MaxReplicas: 10,
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},
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wantErr: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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es := NewEstimatorServer(fake.NewSimpleClientset(tt.objs...), opt)
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es.informerFactory.Start(ctx.Done())
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if !es.waitForCacheSync(ctx.Done()) {
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t.Errorf("MaxAvailableReplicas() error = %v, wantErr %v", fmt.Errorf("failed to wait for cache sync"), tt.wantErr)
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}
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gotResponse, err := es.MaxAvailableReplicas(ctx, tt.args.request)
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if (err != nil) != tt.wantErr {
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t.Errorf("MaxAvailableReplicas() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if !reflect.DeepEqual(gotResponse, tt.wantResponse) {
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t.Errorf("MaxAvailableReplicas() gotResponse = %v, want %v", gotResponse, tt.wantResponse)
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}
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})
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}
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}
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@ -7,12 +7,23 @@ import (
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batchv1 "k8s.io/api/batch/v1"
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corev1 "k8s.io/api/core/v1"
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apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
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"k8s.io/apimachinery/pkg/api/resource"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/util/intstr"
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"k8s.io/utils/pointer"
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)
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// These are different resource units.
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const (
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ResourceUnitZero int64 = 0
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ResourceUnitCPU int64 = 1000
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ResourceUnitMem int64 = 1024 * 1024 * 1024
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ResourceUnitPod int64 = 1
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ResourceUnitEphemeralStorage int64 = 1024 * 1024 * 1024
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ResourceUnitGPU int64 = 1
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)
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// NewDeployment will build a deployment object.
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func NewDeployment(namespace string, name string) *appsv1.Deployment {
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podLabels := map[string]string{"app": "nginx"}
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@ -242,3 +253,129 @@ func NewJob(namespace string, name string) *batchv1.Job {
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},
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}
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}
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// NewResourceList will build a ResourceList.
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func NewResourceList(milliCPU, memory, ephemeralStorage int64) corev1.ResourceList {
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return corev1.ResourceList{
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corev1.ResourceCPU: *resource.NewMilliQuantity(milliCPU, resource.DecimalSI),
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corev1.ResourceMemory: *resource.NewQuantity(memory, resource.DecimalSI),
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corev1.ResourceEphemeralStorage: *resource.NewQuantity(ephemeralStorage, resource.BinarySI),
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}
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}
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// NewPodWithRequest will build a Pod with resource request.
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func NewPodWithRequest(pod, node string, milliCPU, memory, ephemeralStorage int64) *corev1.Pod {
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return &corev1.Pod{
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ObjectMeta: metav1.ObjectMeta{Name: pod},
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Spec: corev1.PodSpec{
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NodeName: node,
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Containers: []corev1.Container{
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{
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Resources: corev1.ResourceRequirements{
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Requests: corev1.ResourceList{
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corev1.ResourceCPU: *resource.NewMilliQuantity(milliCPU, resource.DecimalSI),
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corev1.ResourceMemory: *resource.NewQuantity(memory, resource.DecimalSI),
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corev1.ResourceEphemeralStorage: *resource.NewQuantity(ephemeralStorage, resource.BinarySI),
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},
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},
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},
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},
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},
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Status: corev1.PodStatus{
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Phase: corev1.PodRunning,
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},
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}
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}
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// NewNode will build a ready node with resource.
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func NewNode(node string, milliCPU, memory, pods, ephemeralStorage int64) *corev1.Node {
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return &corev1.Node{
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ObjectMeta: metav1.ObjectMeta{Name: node},
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Status: corev1.NodeStatus{
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Capacity: corev1.ResourceList{
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corev1.ResourceCPU: *resource.NewMilliQuantity(milliCPU, resource.DecimalSI),
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corev1.ResourceMemory: *resource.NewQuantity(memory, resource.BinarySI),
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corev1.ResourcePods: *resource.NewQuantity(pods, resource.DecimalSI),
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corev1.ResourceEphemeralStorage: *resource.NewQuantity(ephemeralStorage, resource.BinarySI),
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},
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Allocatable: corev1.ResourceList{
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corev1.ResourceCPU: *resource.NewMilliQuantity(milliCPU, resource.DecimalSI),
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corev1.ResourceMemory: *resource.NewQuantity(memory, resource.BinarySI),
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corev1.ResourcePods: *resource.NewQuantity(pods, resource.DecimalSI),
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corev1.ResourceEphemeralStorage: *resource.NewQuantity(ephemeralStorage, resource.BinarySI),
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},
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Conditions: []corev1.NodeCondition{
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{
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Type: corev1.NodeReady,
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Status: corev1.ConditionTrue,
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Reason: "KubeletReady",
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Message: "kubelet is posting ready status",
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LastHeartbeatTime: metav1.Now(),
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},
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},
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},
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}
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}
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// MakeNodeWithLabels will build a ready node with resource and labels.
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func MakeNodeWithLabels(node string, milliCPU, memory, pods, ephemeralStorage int64, labels map[string]string) *corev1.Node {
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return &corev1.Node{
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ObjectMeta: metav1.ObjectMeta{Name: node, Labels: labels},
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Status: corev1.NodeStatus{
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Capacity: corev1.ResourceList{
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corev1.ResourceCPU: *resource.NewMilliQuantity(milliCPU, resource.DecimalSI),
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corev1.ResourceMemory: *resource.NewQuantity(memory, resource.BinarySI),
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corev1.ResourcePods: *resource.NewQuantity(pods, resource.DecimalSI),
|
||||
corev1.ResourceEphemeralStorage: *resource.NewQuantity(ephemeralStorage, resource.BinarySI),
|
||||
},
|
||||
Allocatable: corev1.ResourceList{
|
||||
corev1.ResourceCPU: *resource.NewMilliQuantity(milliCPU, resource.DecimalSI),
|
||||
corev1.ResourceMemory: *resource.NewQuantity(memory, resource.BinarySI),
|
||||
corev1.ResourcePods: *resource.NewQuantity(pods, resource.DecimalSI),
|
||||
corev1.ResourceEphemeralStorage: *resource.NewQuantity(ephemeralStorage, resource.BinarySI),
|
||||
},
|
||||
Conditions: []corev1.NodeCondition{
|
||||
{
|
||||
Type: corev1.NodeReady,
|
||||
Status: corev1.ConditionTrue,
|
||||
Reason: "KubeletReady",
|
||||
Message: "kubelet is posting ready status",
|
||||
LastHeartbeatTime: metav1.Now(),
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
// MakeNodeWithTaints will build a ready node with resource and taints.
|
||||
func MakeNodeWithTaints(node string, milliCPU, memory, pods, ephemeralStorage int64, taints []corev1.Taint) *corev1.Node {
|
||||
return &corev1.Node{
|
||||
ObjectMeta: metav1.ObjectMeta{Name: node},
|
||||
Spec: corev1.NodeSpec{
|
||||
Taints: taints,
|
||||
},
|
||||
Status: corev1.NodeStatus{
|
||||
Capacity: corev1.ResourceList{
|
||||
corev1.ResourceCPU: *resource.NewMilliQuantity(milliCPU, resource.DecimalSI),
|
||||
corev1.ResourceMemory: *resource.NewQuantity(memory, resource.BinarySI),
|
||||
corev1.ResourcePods: *resource.NewQuantity(pods, resource.DecimalSI),
|
||||
corev1.ResourceEphemeralStorage: *resource.NewQuantity(ephemeralStorage, resource.BinarySI),
|
||||
},
|
||||
Allocatable: corev1.ResourceList{
|
||||
corev1.ResourceCPU: *resource.NewMilliQuantity(milliCPU, resource.DecimalSI),
|
||||
corev1.ResourceMemory: *resource.NewQuantity(memory, resource.BinarySI),
|
||||
corev1.ResourcePods: *resource.NewQuantity(pods, resource.DecimalSI),
|
||||
corev1.ResourceEphemeralStorage: *resource.NewQuantity(ephemeralStorage, resource.BinarySI),
|
||||
},
|
||||
Conditions: []corev1.NodeCondition{
|
||||
{
|
||||
Type: corev1.NodeReady,
|
||||
Status: corev1.ConditionTrue,
|
||||
Reason: "KubeletReady",
|
||||
Message: "kubelet is posting ready status",
|
||||
LastHeartbeatTime: metav1.Now(),
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue