mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
synced 2025-11-02 03:08:15 +00:00
refactor scheudler's node resource plugins
Signed-off-by: kerthcet <kerthcet@gmail.com>
This commit is contained in:
kerthcet
@@ -18,104 +18,40 @@ package noderesources
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import (
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"context"
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"reflect"
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"testing"
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"github.com/google/go-cmp/cmp"
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"github.com/google/go-cmp/cmp/cmpopts"
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v1 "k8s.io/api/core/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/util/validation/field"
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"k8s.io/kubernetes/pkg/scheduler/apis/config"
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"k8s.io/kubernetes/pkg/scheduler/framework"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/feature"
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plfeature "k8s.io/kubernetes/pkg/scheduler/framework/plugins/feature"
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"k8s.io/kubernetes/pkg/scheduler/framework/runtime"
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"k8s.io/kubernetes/pkg/scheduler/internal/cache"
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st "k8s.io/kubernetes/pkg/scheduler/testing"
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)
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func TestNodeResourcesLeastAllocated(t *testing.T) {
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labels1 := map[string]string{
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"foo": "bar",
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"baz": "blah",
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}
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labels2 := map[string]string{
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"bar": "foo",
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"baz": "blah",
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}
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machine1Spec := v1.PodSpec{
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NodeName: "machine1",
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}
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machine2Spec := v1.PodSpec{
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NodeName: "machine2",
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}
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noResources := v1.PodSpec{
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Containers: []v1.Container{},
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}
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cpuOnly := v1.PodSpec{
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NodeName: "machine1",
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Containers: []v1.Container{
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{
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Resources: v1.ResourceRequirements{
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Requests: v1.ResourceList{
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v1.ResourceCPU: resource.MustParse("1000m"),
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v1.ResourceMemory: resource.MustParse("0"),
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},
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},
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},
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{
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Resources: v1.ResourceRequirements{
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Requests: v1.ResourceList{
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v1.ResourceCPU: resource.MustParse("2000m"),
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v1.ResourceMemory: resource.MustParse("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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cpuOnly2 := cpuOnly
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cpuOnly2.NodeName = "machine2"
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cpuAndMemory := v1.PodSpec{
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NodeName: "machine2",
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Containers: []v1.Container{
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{
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Resources: v1.ResourceRequirements{
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Requests: v1.ResourceList{
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v1.ResourceCPU: resource.MustParse("1000m"),
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v1.ResourceMemory: resource.MustParse("2000"),
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},
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},
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},
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{
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Resources: v1.ResourceRequirements{
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Requests: v1.ResourceList{
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v1.ResourceCPU: resource.MustParse("2000m"),
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v1.ResourceMemory: resource.MustParse("3000"),
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},
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},
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},
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},
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}
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defaultResourceLeastAllocatedSet := []config.ResourceSpec{
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func TestLeastAllocatedScoringStrategy(t *testing.T) {
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defaultResources := []config.ResourceSpec{
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{Name: string(v1.ResourceCPU), Weight: 1},
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{Name: string(v1.ResourceMemory), Weight: 1},
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}
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extendedRes := "abc.com/xyz"
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extendedResourceLeastAllocatedSet := []config.ResourceSpec{
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{Name: string(v1.ResourceCPU), Weight: 1},
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{Name: string(v1.ResourceMemory), Weight: 1},
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{Name: extendedRes, Weight: 1},
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}
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cpuMemoryAndExtendedRes := *cpuAndMemory.DeepCopy()
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cpuMemoryAndExtendedRes.Containers[0].Resources.Requests[v1.ResourceName(extendedRes)] = resource.MustParse("2")
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tests := []struct {
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pod *v1.Pod
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pods []*v1.Pod
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nodes []*v1.Node
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args config.NodeResourcesLeastAllocatedArgs
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wantErr error
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expectedList framework.NodeScoreList
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name string
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name string
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requestedPod *v1.Pod
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nodes []*v1.Node
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existingPods []*v1.Pod
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expectedScores framework.NodeScoreList
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resources []config.ResourceSpec
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wantErrs field.ErrorList
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}{
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{
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// Node1 scores (remaining resources) on 0-MaxNodeScore scale
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@@ -126,11 +62,15 @@ func TestNodeResourcesLeastAllocated(t *testing.T) {
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// CPU Score: ((4000 - 0) * MaxNodeScore) / 4000 = MaxNodeScore
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// Memory Score: ((10000 - 0) * MaxNodeScore) / 10000 = MaxNodeScore
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// Node2 Score: (MaxNodeScore + MaxNodeScore) / 2 = MaxNodeScore
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pod: &v1.Pod{Spec: noResources},
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nodes: []*v1.Node{makeNode("machine1", 4000, 10000), makeNode("machine2", 4000, 10000)},
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args: config.NodeResourcesLeastAllocatedArgs{Resources: defaultResourceLeastAllocatedSet},
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expectedList: []framework.NodeScore{{Name: "machine1", Score: framework.MaxNodeScore}, {Name: "machine2", Score: framework.MaxNodeScore}},
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name: "nothing scheduled, nothing requested",
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requestedPod: st.MakePod().Obj(),
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nodes: []*v1.Node{
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st.MakeNode().Name("node1").Capacity(map[v1.ResourceName]string{"cpu": "4000", "memory": "10000"}).Obj(),
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st.MakeNode().Name("node2").Capacity(map[v1.ResourceName]string{"cpu": "4000", "memory": "10000"}).Obj(),
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},
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existingPods: nil,
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expectedScores: []framework.NodeScore{{Name: "node1", Score: framework.MaxNodeScore}, {Name: "node2", Score: framework.MaxNodeScore}},
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resources: defaultResources,
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},
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{
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// Node1 scores on 0-MaxNodeScore scale
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@@ -141,18 +81,32 @@ func TestNodeResourcesLeastAllocated(t *testing.T) {
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// CPU Score: ((6000 - 3000) * MaxNodeScore) / 6000 = 50
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// Memory Score: ((10000 - 5000) * MaxNodeScore) / 10000 = 50
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// Node2 Score: (50 + 50) / 2 = 50
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pod: &v1.Pod{Spec: cpuAndMemory},
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nodes: []*v1.Node{makeNode("machine1", 4000, 10000), makeNode("machine2", 6000, 10000)},
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args: config.NodeResourcesLeastAllocatedArgs{Resources: defaultResourceLeastAllocatedSet},
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expectedList: []framework.NodeScore{{Name: "machine1", Score: 37}, {Name: "machine2", Score: 50}},
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name: "nothing scheduled, resources requested, differently sized machines",
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name: "nothing scheduled, resources requested, differently sized machines",
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requestedPod: st.MakePod().
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Req(map[v1.ResourceName]string{"cpu": "1000", "memory": "2000"}).
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Req(map[v1.ResourceName]string{"cpu": "2000", "memory": "3000"}).
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Obj(),
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nodes: []*v1.Node{
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st.MakeNode().Name("node1").Capacity(map[v1.ResourceName]string{"cpu": "4000", "memory": "10000"}).Obj(),
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st.MakeNode().Name("node2").Capacity(map[v1.ResourceName]string{"cpu": "6000", "memory": "10000"}).Obj(),
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},
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existingPods: nil,
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expectedScores: []framework.NodeScore{{Name: "node1", Score: 37}, {Name: "node2", Score: 50}},
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resources: defaultResources,
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},
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{
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pod: &v1.Pod{Spec: cpuAndMemory},
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nodes: []*v1.Node{makeNode("machine1", 4000, 10000), makeNode("machine2", 6000, 10000)},
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args: config.NodeResourcesLeastAllocatedArgs{Resources: []config.ResourceSpec{}},
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expectedList: []framework.NodeScore{{Name: "machine1", Score: 0}, {Name: "machine2", Score: 0}},
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name: "Resources not set, nothing scheduled, resources requested, differently sized machines",
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name: "Resources not set, nothing scheduled, resources requested, differently sized machines",
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requestedPod: st.MakePod().
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Req(map[v1.ResourceName]string{"cpu": "1000", "memory": "2000"}).
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Req(map[v1.ResourceName]string{"cpu": "2000", "memory": "3000"}).
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Obj(),
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nodes: []*v1.Node{
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st.MakeNode().Name("node1").Capacity(map[v1.ResourceName]string{"cpu": "4000", "memory": "10000"}).Obj(),
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st.MakeNode().Name("node2").Capacity(map[v1.ResourceName]string{"cpu": "6000", "memory": "10000"}).Obj(),
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},
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existingPods: nil,
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expectedScores: []framework.NodeScore{{Name: "node1", Score: framework.MinNodeScore}, {Name: "node2", Score: framework.MinNodeScore}},
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resources: nil,
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},
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{
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// Node1 scores on 0-MaxNodeScore scale
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@@ -163,17 +117,20 @@ func TestNodeResourcesLeastAllocated(t *testing.T) {
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// CPU Score: ((4000 - 0) * MaxNodeScore) / 4000 = MaxNodeScore
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// Memory Score: ((10000 - 0) * MaxNodeScore) / 10000 = MaxNodeScore
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// Node2 Score: (MaxNodeScore + MaxNodeScore) / 2 = MaxNodeScore
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pod: &v1.Pod{Spec: noResources},
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nodes: []*v1.Node{makeNode("machine1", 4000, 10000), makeNode("machine2", 4000, 10000)},
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args: config.NodeResourcesLeastAllocatedArgs{Resources: defaultResourceLeastAllocatedSet},
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expectedList: []framework.NodeScore{{Name: "machine1", Score: framework.MaxNodeScore}, {Name: "machine2", Score: framework.MaxNodeScore}},
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name: "no resources requested, pods scheduled",
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pods: []*v1.Pod{
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{Spec: machine1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels2}},
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{Spec: machine1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1}},
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{Spec: machine2Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1}},
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{Spec: machine2Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1}},
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requestedPod: st.MakePod().Obj(),
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nodes: []*v1.Node{
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st.MakeNode().Name("node1").Capacity(map[v1.ResourceName]string{"cpu": "4000", "memory": "10000"}).Obj(),
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st.MakeNode().Name("node2").Capacity(map[v1.ResourceName]string{"cpu": "4000", "memory": "10000"}).Obj(),
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},
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existingPods: []*v1.Pod{
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st.MakePod().Node("node1").Obj(),
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st.MakePod().Node("node1").Obj(),
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st.MakePod().Node("node2").Obj(),
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st.MakePod().Node("node2").Obj(),
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},
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expectedScores: []framework.NodeScore{{Name: "node1", Score: framework.MaxNodeScore}, {Name: "node2", Score: framework.MaxNodeScore}},
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resources: defaultResources,
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},
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{
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// Node1 scores on 0-MaxNodeScore scale
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@@ -184,17 +141,20 @@ func TestNodeResourcesLeastAllocated(t *testing.T) {
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// CPU Score: ((10000 - 6000) * MaxNodeScore) / 10000 = 40
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// Memory Score: ((20000 - 5000) * MaxNodeScore) / 20000 = 75
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// Node2 Score: (40 + 75) / 2 = 57
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pod: &v1.Pod{Spec: noResources},
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nodes: []*v1.Node{makeNode("machine1", 10000, 20000), makeNode("machine2", 10000, 20000)},
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args: config.NodeResourcesLeastAllocatedArgs{Resources: defaultResourceLeastAllocatedSet},
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expectedList: []framework.NodeScore{{Name: "machine1", Score: 70}, {Name: "machine2", Score: 57}},
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name: "no resources requested, pods scheduled with resources",
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pods: []*v1.Pod{
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{Spec: cpuOnly, ObjectMeta: metav1.ObjectMeta{Labels: labels2}},
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{Spec: cpuOnly, ObjectMeta: metav1.ObjectMeta{Labels: labels1}},
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{Spec: cpuOnly2, ObjectMeta: metav1.ObjectMeta{Labels: labels1}},
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{Spec: cpuAndMemory, ObjectMeta: metav1.ObjectMeta{Labels: labels1}},
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requestedPod: st.MakePod().Obj(),
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nodes: []*v1.Node{
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st.MakeNode().Name("node1").Capacity(map[v1.ResourceName]string{"cpu": "10000", "memory": "20000"}).Obj(),
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st.MakeNode().Name("node2").Capacity(map[v1.ResourceName]string{"cpu": "10000", "memory": "20000"}).Obj(),
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},
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existingPods: []*v1.Pod{
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st.MakePod().Node("node1").Req(map[v1.ResourceName]string{"cpu": "3000", "memory": "0"}).Obj(),
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st.MakePod().Node("node1").Req(map[v1.ResourceName]string{"cpu": "3000", "memory": "0"}).Obj(),
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st.MakePod().Node("node2").Req(map[v1.ResourceName]string{"cpu": "3000", "memory": "0"}).Obj(),
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st.MakePod().Node("node2").Req(map[v1.ResourceName]string{"cpu": "3000", "memory": "5000"}).Obj(),
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},
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expectedScores: []framework.NodeScore{{Name: "node1", Score: 70}, {Name: "node2", Score: 57}},
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resources: defaultResources,
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},
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{
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// Node1 scores on 0-MaxNodeScore scale
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@@ -205,15 +165,21 @@ func TestNodeResourcesLeastAllocated(t *testing.T) {
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// CPU Score: ((10000 - 6000) * MaxNodeScore) / 10000 = 40
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// Memory Score: ((20000 - 10000) * MaxNodeScore) / 20000 = 50
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// Node2 Score: (40 + 50) / 2 = 45
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pod: &v1.Pod{Spec: cpuAndMemory},
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nodes: []*v1.Node{makeNode("machine1", 10000, 20000), makeNode("machine2", 10000, 20000)},
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args: config.NodeResourcesLeastAllocatedArgs{Resources: defaultResourceLeastAllocatedSet},
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expectedList: []framework.NodeScore{{Name: "machine1", Score: 57}, {Name: "machine2", Score: 45}},
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name: "resources requested, pods scheduled with resources",
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pods: []*v1.Pod{
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{Spec: cpuOnly},
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{Spec: cpuAndMemory},
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name: "resources requested, pods scheduled with resources",
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requestedPod: st.MakePod().
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Req(map[v1.ResourceName]string{"cpu": "1000", "memory": "2000"}).
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Req(map[v1.ResourceName]string{"cpu": "2000", "memory": "3000"}).
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Obj(),
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nodes: []*v1.Node{
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st.MakeNode().Name("node1").Capacity(map[v1.ResourceName]string{"cpu": "10000", "memory": "20000"}).Obj(),
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st.MakeNode().Name("node2").Capacity(map[v1.ResourceName]string{"cpu": "10000", "memory": "20000"}).Obj(),
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},
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existingPods: []*v1.Pod{
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st.MakePod().Node("node1").Req(map[v1.ResourceName]string{"cpu": "3000", "memory": "0"}).Obj(),
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st.MakePod().Node("node2").Req(map[v1.ResourceName]string{"cpu": "3000", "memory": "5000"}).Obj(),
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},
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expectedScores: []framework.NodeScore{{Name: "node1", Score: 57}, {Name: "node2", Score: 45}},
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resources: defaultResources,
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},
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{
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// Node1 scores on 0-MaxNodeScore scale
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@@ -224,15 +190,21 @@ func TestNodeResourcesLeastAllocated(t *testing.T) {
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// CPU Score: ((10000 - 6000) * MaxNodeScore) / 10000 = 40
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// Memory Score: ((50000 - 10000) * MaxNodeScore) / 50000 = 80
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// Node2 Score: (40 + 80) / 2 = 60
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pod: &v1.Pod{Spec: cpuAndMemory},
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nodes: []*v1.Node{makeNode("machine1", 10000, 20000), makeNode("machine2", 10000, 50000)},
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args: config.NodeResourcesLeastAllocatedArgs{Resources: defaultResourceLeastAllocatedSet},
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expectedList: []framework.NodeScore{{Name: "machine1", Score: 57}, {Name: "machine2", Score: 60}},
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name: "resources requested, pods scheduled with resources, differently sized machines",
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pods: []*v1.Pod{
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{Spec: cpuOnly},
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{Spec: cpuAndMemory},
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name: "resources requested, pods scheduled with resources, differently sized machines",
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requestedPod: st.MakePod().
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Req(map[v1.ResourceName]string{"cpu": "1000", "memory": "2000"}).
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Req(map[v1.ResourceName]string{"cpu": "2000", "memory": "3000"}).
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Obj(),
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nodes: []*v1.Node{
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st.MakeNode().Name("node1").Capacity(map[v1.ResourceName]string{"cpu": "10000", "memory": "20000"}).Obj(),
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st.MakeNode().Name("node2").Capacity(map[v1.ResourceName]string{"cpu": "10000", "memory": "50000"}).Obj(),
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},
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existingPods: []*v1.Pod{
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st.MakePod().Node("node1").Req(map[v1.ResourceName]string{"cpu": "3000", "memory": "0"}).Obj(),
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st.MakePod().Node("node2").Req(map[v1.ResourceName]string{"cpu": "3000", "memory": "5000"}).Obj(),
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},
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expectedScores: []framework.NodeScore{{Name: "node1", Score: 57}, {Name: "node2", Score: 60}},
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resources: defaultResources,
|
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},
|
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{
|
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// Node1 scores on 0-MaxNodeScore scale
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@@ -243,26 +215,32 @@ func TestNodeResourcesLeastAllocated(t *testing.T) {
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// CPU Score: ((4000 - 6000) * MaxNodeScore) / 4000 = 0
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// Memory Score: ((10000 - 5000) * MaxNodeScore) / 10000 = 50
|
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// Node2 Score: (0 + 50) / 2 = 25
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pod: &v1.Pod{Spec: cpuOnly},
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nodes: []*v1.Node{makeNode("machine1", 4000, 10000), makeNode("machine2", 4000, 10000)},
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args: config.NodeResourcesLeastAllocatedArgs{Resources: defaultResourceLeastAllocatedSet},
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expectedList: []framework.NodeScore{{Name: "machine1", Score: 50}, {Name: "machine2", Score: 25}},
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name: "requested resources exceed node capacity",
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pods: []*v1.Pod{
|
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{Spec: cpuOnly},
|
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{Spec: cpuAndMemory},
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requestedPod: st.MakePod().Req(map[v1.ResourceName]string{"cpu": "3000", "memory": "0"}).Obj(),
|
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nodes: []*v1.Node{
|
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st.MakeNode().Name("node1").Capacity(map[v1.ResourceName]string{"cpu": "4000", "memory": "10000"}).Obj(),
|
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st.MakeNode().Name("node2").Capacity(map[v1.ResourceName]string{"cpu": "4000", "memory": "10000"}).Obj(),
|
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},
|
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existingPods: []*v1.Pod{
|
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st.MakePod().Node("node1").Req(map[v1.ResourceName]string{"cpu": "3000", "memory": "0"}).Obj(),
|
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st.MakePod().Node("node2").Req(map[v1.ResourceName]string{"cpu": "3000", "memory": "5000"}).Obj(),
|
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},
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expectedScores: []framework.NodeScore{{Name: "node1", Score: 50}, {Name: "node2", Score: 25}},
|
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resources: defaultResources,
|
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},
|
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{
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pod: &v1.Pod{Spec: noResources},
|
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nodes: []*v1.Node{makeNode("machine1", 0, 0), makeNode("machine2", 0, 0)},
|
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args: config.NodeResourcesLeastAllocatedArgs{Resources: defaultResourceLeastAllocatedSet},
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expectedList: []framework.NodeScore{{Name: "machine1", Score: 0}, {Name: "machine2", Score: 0}},
|
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name: "zero node resources, pods scheduled with resources",
|
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pods: []*v1.Pod{
|
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{Spec: cpuOnly},
|
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{Spec: cpuAndMemory},
|
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requestedPod: st.MakePod().Obj(),
|
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nodes: []*v1.Node{
|
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st.MakeNode().Name("node1").Obj(),
|
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st.MakeNode().Name("node2").Obj(),
|
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},
|
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existingPods: []*v1.Pod{
|
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st.MakePod().Node("node1").Req(map[v1.ResourceName]string{"cpu": "3000", "memory": "0"}).Obj(),
|
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st.MakePod().Node("node2").Req(map[v1.ResourceName]string{"cpu": "3000", "memory": "5000"}).Obj(),
|
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},
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expectedScores: []framework.NodeScore{{Name: "node1", Score: framework.MinNodeScore}, {Name: "node2", Score: framework.MinNodeScore}},
|
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resources: defaultResources,
|
||||
},
|
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{
|
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// CPU Score: ((4000 - 3000) *100) / 4000 = 25
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@@ -271,50 +249,86 @@ func TestNodeResourcesLeastAllocated(t *testing.T) {
|
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// CPU Score: ((6000 - 3000) *100) / 6000 = 50
|
||||
// Memory Score: ((10000 - 5000) *100) / 10000 = 50
|
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// Node2 Score: (50 * 1 + 50 * 2) / (1 + 2) = 50
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pod: &v1.Pod{Spec: cpuAndMemory},
|
||||
nodes: []*v1.Node{makeNode("machine1", 4000, 10000), makeNode("machine2", 6000, 10000)},
|
||||
args: config.NodeResourcesLeastAllocatedArgs{Resources: []config.ResourceSpec{{Name: "memory", Weight: 2}, {Name: "cpu", Weight: 1}}},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: 41}, {Name: "machine2", Score: 50}},
|
||||
name: "nothing scheduled, resources requested with different weight on CPU and memory, differently sized machines",
|
||||
name: "nothing scheduled, resources requested with different weight on CPU and memory, differently sized machines",
|
||||
requestedPod: st.MakePod().Node("node1").
|
||||
Req(map[v1.ResourceName]string{"cpu": "1000", "memory": "2000"}).
|
||||
Req(map[v1.ResourceName]string{"cpu": "2000", "memory": "3000"}).
|
||||
Obj(),
|
||||
nodes: []*v1.Node{
|
||||
st.MakeNode().Name("node1").Capacity(map[v1.ResourceName]string{"cpu": "4000", "memory": "10000"}).Obj(),
|
||||
st.MakeNode().Name("node2").Capacity(map[v1.ResourceName]string{"cpu": "6000", "memory": "10000"}).Obj(),
|
||||
},
|
||||
existingPods: nil,
|
||||
expectedScores: []framework.NodeScore{{Name: "node1", Score: 41}, {Name: "node2", Score: 50}},
|
||||
resources: []config.ResourceSpec{
|
||||
{Name: "memory", Weight: 2},
|
||||
{Name: "cpu", Weight: 1},
|
||||
},
|
||||
},
|
||||
{
|
||||
// resource with negative weight is not allowed
|
||||
pod: &v1.Pod{Spec: cpuAndMemory},
|
||||
nodes: []*v1.Node{makeNode("machine", 4000, 10000)},
|
||||
args: config.NodeResourcesLeastAllocatedArgs{Resources: []config.ResourceSpec{{Name: "memory", Weight: -1}, {Name: "cpu", Weight: 1}}},
|
||||
wantErr: field.ErrorList{
|
||||
name: "resource with negative weight",
|
||||
requestedPod: st.MakePod().Node("node1").
|
||||
Req(map[v1.ResourceName]string{"cpu": "1000", "memory": "2000"}).
|
||||
Req(map[v1.ResourceName]string{"cpu": "2000", "memory": "3000"}).
|
||||
Obj(),
|
||||
nodes: []*v1.Node{
|
||||
st.MakeNode().Name("node1").Capacity(map[v1.ResourceName]string{"cpu": "4000", "memory": "10000"}).Obj(),
|
||||
},
|
||||
resources: []config.ResourceSpec{
|
||||
{Name: "memory", Weight: -1},
|
||||
{Name: "cpu", Weight: 1},
|
||||
},
|
||||
wantErrs: field.ErrorList{
|
||||
&field.Error{
|
||||
Type: field.ErrorTypeInvalid,
|
||||
Field: "resources[0].weight",
|
||||
},
|
||||
}.ToAggregate(),
|
||||
name: "resource with negtive weight",
|
||||
},
|
||||
},
|
||||
{
|
||||
// resource with zero weight is not allowed
|
||||
pod: &v1.Pod{Spec: cpuAndMemory},
|
||||
nodes: []*v1.Node{makeNode("machine", 4000, 10000)},
|
||||
args: config.NodeResourcesLeastAllocatedArgs{Resources: []config.ResourceSpec{{Name: "memory", Weight: 1}, {Name: "cpu", Weight: 0}}},
|
||||
wantErr: field.ErrorList{
|
||||
name: "resource with zero weight",
|
||||
requestedPod: st.MakePod().Node("node1").
|
||||
Req(map[v1.ResourceName]string{"cpu": "1000", "memory": "2000"}).
|
||||
Req(map[v1.ResourceName]string{"cpu": "2000", "memory": "3000"}).
|
||||
Obj(),
|
||||
nodes: []*v1.Node{
|
||||
st.MakeNode().Name("node1").Capacity(map[v1.ResourceName]string{"cpu": "4000", "memory": "10000"}).Obj(),
|
||||
},
|
||||
existingPods: nil,
|
||||
expectedScores: []framework.NodeScore{{Name: "node1", Score: 41}, {Name: "node2", Score: 50}},
|
||||
resources: []config.ResourceSpec{
|
||||
{Name: "memory", Weight: 1},
|
||||
{Name: "cpu", Weight: 0},
|
||||
},
|
||||
wantErrs: field.ErrorList{
|
||||
&field.Error{
|
||||
Type: field.ErrorTypeInvalid,
|
||||
Field: "resources[1].weight",
|
||||
},
|
||||
}.ToAggregate(),
|
||||
name: "resource with zero weight",
|
||||
},
|
||||
},
|
||||
{
|
||||
// resource weight should be less than MaxNodeScore
|
||||
pod: &v1.Pod{Spec: cpuAndMemory},
|
||||
nodes: []*v1.Node{makeNode("machine", 4000, 10000)},
|
||||
args: config.NodeResourcesLeastAllocatedArgs{Resources: []config.ResourceSpec{{Name: "memory", Weight: 120}}},
|
||||
wantErr: field.ErrorList{
|
||||
name: "resource weight larger than MaxNodeScore",
|
||||
requestedPod: st.MakePod().Node("node1").
|
||||
Req(map[v1.ResourceName]string{"cpu": "1000", "memory": "2000"}).
|
||||
Req(map[v1.ResourceName]string{"cpu": "2000", "memory": "3000"}).
|
||||
Obj(),
|
||||
nodes: []*v1.Node{
|
||||
st.MakeNode().Name("node1").Capacity(map[v1.ResourceName]string{"cpu": "4000", "memory": "10000"}).Obj(),
|
||||
},
|
||||
resources: []config.ResourceSpec{
|
||||
{Name: "memory", Weight: 1},
|
||||
{Name: "cpu", Weight: 101},
|
||||
},
|
||||
wantErrs: field.ErrorList{
|
||||
&field.Error{
|
||||
Type: field.ErrorTypeInvalid,
|
||||
Field: "resources[0].weight",
|
||||
Field: "resources[1].weight",
|
||||
},
|
||||
}.ToAggregate(),
|
||||
name: "resource weight larger than MaxNodeScore",
|
||||
},
|
||||
},
|
||||
{
|
||||
// Bypass extended resource if the pod does not request.
|
||||
@@ -323,14 +337,17 @@ func TestNodeResourcesLeastAllocated(t *testing.T) {
|
||||
// the final scores are:
|
||||
// - node1: (50 + 50) / 2 = 50
|
||||
// - node2: (50 + 50) / 2 = 50
|
||||
pod: &v1.Pod{Spec: cpuAndMemory},
|
||||
name: "bypass extended resource if the pod does not request",
|
||||
requestedPod: st.MakePod().Node("node1").
|
||||
Req(map[v1.ResourceName]string{"cpu": "1000", "memory": "2000"}).
|
||||
Req(map[v1.ResourceName]string{"cpu": "2000", "memory": "3000"}).
|
||||
Obj(),
|
||||
nodes: []*v1.Node{
|
||||
makeNode("machine1", 6000, 10000),
|
||||
makeNodeWithExtendedResource("machine2", 6000, 10000, map[string]int64{extendedRes: 4}),
|
||||
st.MakeNode().Name("node1").Capacity(map[v1.ResourceName]string{"cpu": "6000", "memory": "10000"}).Obj(),
|
||||
st.MakeNode().Name("node2").Capacity(map[v1.ResourceName]string{"cpu": "6000", "memory": "10000", v1.ResourceName(extendedRes): "4"}).Obj(),
|
||||
},
|
||||
args: config.NodeResourcesLeastAllocatedArgs{Resources: extendedResourceLeastAllocatedSet},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: 50}, {Name: "machine2", Score: 50}},
|
||||
name: "bypass extended resource if the pod does not request",
|
||||
expectedScores: []framework.NodeScore{{Name: "node1", Score: 50}, {Name: "node2", Score: 50}},
|
||||
resources: extendedResourceLeastAllocatedSet,
|
||||
},
|
||||
{
|
||||
// Honor extended resource if the pod requests.
|
||||
@@ -341,47 +358,52 @@ func TestNodeResourcesLeastAllocated(t *testing.T) {
|
||||
// So the final scores are:
|
||||
// - node1: (50 + 50 + 50) / 3 = 50
|
||||
// - node2: (50 + 50 + 80) / 3 = 60
|
||||
pod: &v1.Pod{Spec: cpuMemoryAndExtendedRes},
|
||||
name: "honor extended resource if the pod requests",
|
||||
requestedPod: st.MakePod().Node("node1").
|
||||
Req(map[v1.ResourceName]string{"cpu": "3000", "memory": "5000", v1.ResourceName(extendedRes): "2"}).
|
||||
Obj(),
|
||||
nodes: []*v1.Node{
|
||||
makeNodeWithExtendedResource("machine1", 6000, 10000, map[string]int64{extendedRes: 4}),
|
||||
makeNodeWithExtendedResource("machine2", 6000, 10000, map[string]int64{extendedRes: 10}),
|
||||
st.MakeNode().Name("node1").Capacity(map[v1.ResourceName]string{"cpu": "6000", "memory": "10000", v1.ResourceName(extendedRes): "4"}).Obj(),
|
||||
st.MakeNode().Name("node2").Capacity(map[v1.ResourceName]string{"cpu": "6000", "memory": "10000", v1.ResourceName(extendedRes): "10"}).Obj(),
|
||||
},
|
||||
args: config.NodeResourcesLeastAllocatedArgs{Resources: extendedResourceLeastAllocatedSet},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: 50}, {Name: "machine2", Score: 60}},
|
||||
name: "honor extended resource if the pod requests",
|
||||
existingPods: nil,
|
||||
expectedScores: []framework.NodeScore{{Name: "node1", Score: 50}, {Name: "node2", Score: 60}},
|
||||
resources: extendedResourceLeastAllocatedSet,
|
||||
},
|
||||
}
|
||||
|
||||
for _, test := range tests {
|
||||
t.Run(test.name, func(t *testing.T) {
|
||||
snapshot := cache.NewSnapshot(test.pods, test.nodes)
|
||||
state := framework.NewCycleState()
|
||||
snapshot := cache.NewSnapshot(test.existingPods, test.nodes)
|
||||
fh, _ := runtime.NewFramework(nil, nil, runtime.WithSnapshotSharedLister(snapshot))
|
||||
p, err := NewLeastAllocated(&test.args, fh, feature.Features{EnablePodOverhead: true})
|
||||
|
||||
if test.wantErr != nil {
|
||||
if err != nil {
|
||||
diff := cmp.Diff(test.wantErr, err, cmpopts.IgnoreFields(field.Error{}, "BadValue", "Detail"))
|
||||
if diff != "" {
|
||||
t.Fatalf("got err (-want,+got):\n%s", diff)
|
||||
}
|
||||
} else {
|
||||
t.Fatalf("no error produced, wanted %v", test.wantErr)
|
||||
}
|
||||
p, err := NewFit(
|
||||
&config.NodeResourcesFitArgs{
|
||||
ScoringStrategy: &config.ScoringStrategy{
|
||||
Type: config.LeastAllocated,
|
||||
Resources: test.resources,
|
||||
},
|
||||
}, fh, plfeature.Features{EnablePodOverhead: true})
|
||||
|
||||
if diff := cmp.Diff(test.wantErrs.ToAggregate(), err, ignoreBadValueDetail); diff != "" {
|
||||
t.Fatalf("got err (-want,+got):\n%s", diff)
|
||||
}
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
|
||||
if err != nil && test.wantErr == nil {
|
||||
t.Fatalf("failed to initialize plugin NodeResourcesLeastAllocated, got error: %v", err)
|
||||
var gotScores framework.NodeScoreList
|
||||
for _, n := range test.nodes {
|
||||
score, status := p.(framework.ScorePlugin).Score(context.Background(), state, test.requestedPod, n.Name)
|
||||
if !status.IsSuccess() {
|
||||
t.Errorf("unexpected error: %v", status)
|
||||
}
|
||||
gotScores = append(gotScores, framework.NodeScore{Name: n.Name, Score: score})
|
||||
}
|
||||
|
||||
for i := range test.nodes {
|
||||
hostResult, err := p.(framework.ScorePlugin).Score(context.Background(), nil, test.pod, test.nodes[i].Name)
|
||||
if err != nil {
|
||||
t.Errorf("unexpected error: %v", err)
|
||||
}
|
||||
if !reflect.DeepEqual(test.expectedList[i].Score, hostResult) {
|
||||
t.Errorf("expected %#v, got %#v", test.expectedList[i].Score, hostResult)
|
||||
}
|
||||
if diff := cmp.Diff(test.expectedScores, gotScores); diff != "" {
|
||||
t.Errorf("Unexpected scores (-want,+got):\n%s", diff)
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user